import gradio as gr
import os
import json
import requests
import xml.etree.ElementTree as ET
import schedule
import time
import threading
from huggingface_hub import HfApi, create_repo, hf_hub_download
import warnings
import pandas as pd
from docx import Document
import spaces
from google.oauth2.service_account import Credentials
from googleapiclient.discovery import build
from googleapiclient.http import MediaIoBaseDownload
import io
import warnings
from requests.packages.urllib3.exceptions import InsecureRequestWarning
warnings.simplefilter('ignore', InsecureRequestWarning)

# Prompt dosyasını import et
from prompts import get_active_prompts

# Enhanced features import et (sadece temel özellikler)
from enhanced_features import (
    initialize_enhanced_features, process_image_message, 
    handle_comparison_request
)
from image_renderer import extract_product_info_for_gallery, format_message_with_images

# Import conversation tracker
from conversation_tracker import add_conversation

# API endpoints removed - will use Gradio's built-in API

# Import smart warehouse with GPT intelligence and price
try:
    from smart_warehouse_with_price import get_warehouse_stock_smart_with_price
    get_warehouse_stock_smart = get_warehouse_stock_smart_with_price
except ImportError:
    try:
        from smart_warehouse import get_warehouse_stock_smart
    except ImportError:
        get_warehouse_stock_smart = None

def get_warehouse_stock(product_name):
    """Use GPT intelligence to find warehouse stock"""
    # First try GPT-powered search
    if get_warehouse_stock_smart:
        result = get_warehouse_stock_smart(product_name)
        if result:
            return result
    
    # Fallback to old method
    return get_warehouse_stock_old(product_name)

# OLD warehouse stock finder - general algorithm
def get_warehouse_stock_old(product_name):
    """Smart warehouse stock finder with general algorithm"""
    try:
        import re
        import requests
        
        # Get XML with retry
        xml_text = None
        for attempt in range(3):
            try:
                url = 'https://video.trek-turkey.com/bizimhesap-warehouse-xml-b2b-api-v2.php'
                timeout_val = 10 + (attempt * 5)  # 10, 15, 20 seconds
                response = requests.get(url, verify=False, timeout=timeout_val)
                xml_text = response.text
                break
            except requests.exceptions.Timeout:
                if attempt == 2:
                    return None
            except Exception:
                return None
        
        # Turkish normalize
        def normalize(text):
            tr_map = {'ı': 'i', 'ğ': 'g', 'ü': 'u', 'ş': 's', 'ö': 'o', 'ç': 'c', 'İ': 'i', 'I': 'i'}
            text = text.lower()
            for tr, en in tr_map.items():
                text = text.replace(tr, en)
            return text
        
        # Parse query
        query = normalize(product_name.strip()).replace('(2026)', '').replace('(2025)', '').strip()
        words = query.split()
        
        # Find size markers (S, M, L, etc.)
        sizes = ['s', 'm', 'l', 'xl', 'xs', 'xxl', 'ml']
        size = next((w for w in words if w in sizes), None)
        
        # Smart filtering: Keep only meaningful product identifiers
        product_words = []
        
        # If query is very short (like "hangi boyu"), skip it
        if len(words) <= 2 and not any(w.isdigit() for w in words):
            # Likely just a question, not a product search
            pass
        else:
            # Extract product-like terms
            for word in words:
                # Skip if it's a size marker
                if word in sizes:
                    continue
                
                # Always keep numbers (model numbers)
                if word.isdigit():
                    product_words.append(word)
                
                # Keep alphanumeric codes
                elif any(c.isdigit() for c in word) and any(c.isalpha() for c in word):
                    product_words.append(word)
                
                # Keep 2-3 letter codes that look like product codes
                elif len(word) in [2, 3] and word.isalpha():
                    # Skip common particles
                    if word in ['mi', 'mı', 'mu', 'mü', 'var', 'yok', 've', 'de', 'da']:
                        continue
                    # Must have at least one consonant
                    if any(c not in 'aeiouı' for c in word):
                        product_words.append(word)
                
                # For longer words, be selective
                elif len(word) > 3:
                    # Skip if ends with Turkish question suffixes
                    if any(word.endswith(suffix) for suffix in ['mi', 'mı', 'mu', 'mü']):
                        continue
                    # Skip if only 1-2 consonants (likely a particle/question word)
                    consonants = sum(1 for c in word if c not in 'aeiouı')
                    if consonants <= 2:  # "var" has 2 consonants, skip it
                        continue
                    # Keep it
                    product_words.append(word)
        
        print(f"DEBUG - Searching: {' '.join(product_words)}, Size: {size}")
        
        # Find all Product blocks in XML
        product_pattern = r'<Product>(.*?)</Product>'
        all_products = re.findall(product_pattern, xml_text, re.DOTALL)
        
        print(f"DEBUG - Total products in XML: {len(all_products)}")
        
        # Search through products
        best_match = None
        
        for product_block in all_products:
            # Extract product name
            name_match = re.search(r'<ProductName><!\[CDATA\[(.*?)\]\]></ProductName>', product_block)
            if not name_match:
                continue
                
            product_name_in_xml = name_match.group(1)
            normalized_xml_name = normalize(product_name_in_xml)
            
            # Check if all product words are in the name (as separate words or part of words)
            # This handles cases like "gen 8" where it might be "gen8" or "gen 8" in XML
            match = True
            for word in product_words:
                # Check if word exists as-is or without spaces (for numbers after text)
                if word not in normalized_xml_name:
                    # Also check if it's a number that might be attached to previous word
                    if not (word.isdigit() and any(f"{prev}{word}" in normalized_xml_name or f"{prev} {word}" in normalized_xml_name for prev in product_words if not prev.isdigit())):
                        match = False
                        break
            
            if match:
                # Product name matches, now check variant if needed
                
                if size:
                    # Check if variant matches the size
                    variant_match = re.search(r'<ProductVariant><!\[CDATA\[(.*?)\]\]></ProductVariant>', product_block)
                    if variant_match:
                        variant = variant_match.group(1)
                        # Check if variant starts with the size (e.g., "S-BEYAZ")
                        if variant.upper().startswith(f'{size.upper()}-'):
                            print(f"DEBUG - Found match: {product_name_in_xml} - {variant}")
                            best_match = product_block
                            break  # Found exact match, stop searching
                else:
                    # No size specified, take first match
                    best_match = product_block
                    break
        
        if best_match:
            # Extract warehouse info from the matched product
            warehouse_info = []
            warehouse_regex = r'<Warehouse>.*?<Name><!\[CDATA\[(.*?)\]\]></Name>.*?<Stock>(.*?)</Stock>.*?</Warehouse>'
            warehouses = re.findall(warehouse_regex, best_match, re.DOTALL)
            
            for wh_name, wh_stock in warehouses:
                try:
                    stock = int(wh_stock.strip())
                    if stock > 0:
                        # Format store names
                        if "CADDEBOSTAN" in wh_name:
                            display = "Caddebostan mağazası"
                        elif "ORTAKÖY" in wh_name:
                            display = "Ortaköy mağazası"
                        elif "ALSANCAK" in wh_name:
                            display = "İzmir Alsancak mağazası"
                        elif "BAHCEKOY" in wh_name or "BAHÇEKÖY" in wh_name:
                            display = "Bahçeköy mağazası"
                        else:
                            display = wh_name
                        
                        warehouse_info.append(f"{display}: Mevcut")
                except:
                    pass
            
            return warehouse_info if warehouse_info else ["Hiçbir mağazada mevcut değil"]
        else:
            print(f"DEBUG - No match found for {' '.join(product_words)}")
            return ["Hiçbir mağazada mevcut değil"]
            
    except Exception as e:
        print(f"Warehouse error: {e}")
        return None

# OLD SLOW VERSION - KEEP FOR REFERENCE
def get_warehouse_stock_old_slow(product_name):
    """B2B API'den mağaza stok bilgilerini çek - Optimize edilmiş versiyon"""
    try:
        import re
        
        # Hugging Face'de signal çalışmadığı için try-except kullan
        use_signal = False
        try:
            import signal
            import threading
            # Test if we're in main thread
            if threading.current_thread() is threading.main_thread():
                def timeout_handler(signum, frame):
                    raise TimeoutError("Warehouse API timeout")
                signal.signal(signal.SIGALRM, timeout_handler)
                signal.alarm(8)
                use_signal = True
        except Exception as e:
            print(f"Signal not available: {e}")
            use_signal = False
        
        try:
            warehouse_url = 'https://video.trek-turkey.com/bizimhesap-warehouse-xml-b2b-api-v2.php'
            response = requests.get(warehouse_url, verify=False, timeout=7)  # Increased from 2
            
            if response.status_code != 200:
                return None
                
            # ULTRA FAST: Use regex instead of XML parsing for speed
            xml_text = response.text
            
            # Turkish character normalization function
            turkish_map = {'ı': 'i', 'ğ': 'g', 'ü': 'u', 'ş': 's', 'ö': 'o', 'ç': 'c', 'İ': 'i', 'I': 'i'}
            
            def normalize_turkish(text):
                import unicodedata
                # First normalize unicode to handle combining characters
                text = unicodedata.normalize('NFKD', text)
                text = ''.join(char for char in text if unicodedata.category(char) != 'Mn')
                # Replace Turkish characters
                for tr_char, en_char in turkish_map.items():
                    text = text.replace(tr_char, en_char)
                # Also handle dotted i (İ with dot above)
                text = text.replace('İ', 'i').replace('I', 'i')
                return text.lower()
            
            # Normalize search product name
            search_name = normalize_turkish(product_name.strip())
            # Gen 8, Gen 7 vs. ifadelerini koruyalım
            search_name = search_name.replace('(2026)', '').replace('(2025)', '').strip()
            search_words = search_name.split()
            
            print(f"DEBUG - Searching for: {product_name}")
            print(f"DEBUG - Normalized (gen kept): {search_name}")
            
            # SUPER FAST SEARCH - Build index once
            # Create a dictionary for O(1) lookup instead of O(n) search
            product_index = {}
            
            # Build index in one pass
            for product in root.findall('Product'):
                name_elem = product.find('ProductName')
                if name_elem is not None and name_elem.text:
                    product_name_key = normalize_turkish(name_elem.text.strip())
                    
                    # Store all products with same name in a list
                    if product_name_key not in product_index:
                        product_index[product_name_key] = []
                    
                    variant_elem = product.find('ProductVariant')
                    variant_text = ""
                    if variant_elem is not None and variant_elem.text:
                        variant_text = normalize_turkish(variant_elem.text.strip())
                    
                    product_index[product_name_key].append({
                        'element': product,
                        'original_name': name_elem.text.strip(),
                        'variant': variant_text
                    })
            
            # Separate size/variant words from product words
            size_color_words = ['s', 'm', 'l', 'xl', 'xs', 'xxl', 'ml']
            size_indicators = ['beden', 'size', 'boy']
            
            variant_words = [word for word in search_words if word in size_color_words]
            product_words = [word for word in search_words if word not in size_color_words and word not in size_indicators]
            
            # Build the product key to search
            product_key = ' '.join(product_words)
            
            print(f"DEBUG - Looking for key: {product_key}")
            print(f"DEBUG - Variant filter: {variant_words}")
            
            # INSTANT LOOKUP - O(1)
            candidates = []
            
            # Try exact match first
            if product_key in product_index:
                print(f"DEBUG - Exact match found!")
                for item in product_index[product_key]:
                    # Check variant
                    if variant_words:
                        # For size codes like S, M, L
                        if len(variant_words) == 1 and len(variant_words[0]) <= 2:
                            if item['variant'].startswith(variant_words[0] + '-') or item['variant'].startswith(variant_words[0] + ' '):
                                candidates.append((item['element'], item['original_name'], item['variant']))
                        else:
                            if all(word in item['variant'] for word in variant_words):
                                candidates.append((item['element'], item['original_name'], item['variant']))
                    else:
                        # No variant filter, add all
                        candidates.append((item['element'], item['original_name'], item['variant']))
            else:
                # Fallback: search all keys that contain all product words
                print(f"DEBUG - No exact match, searching partial matches...")
                for key, items in product_index.items():
                    if all(word in key for word in product_words):
                        for item in items:
                            if variant_words:
                                if len(variant_words) == 1 and len(variant_words[0]) <= 2:
                                    if item['variant'].startswith(variant_words[0] + '-'):
                                        candidates.append((item['element'], item['original_name'], item['variant']))
                            else:
                                candidates.append((item['element'], item['original_name'], item['variant']))
                        
                        if len(candidates) >= 5:  # Found enough
                            break
            
            print(f"DEBUG - Found {len(candidates)} candidates instantly!")
            
            # Collect stock info from new structure
            warehouse_stock_map = {}
            
            for product, xml_name, variant in candidates:
                # New structure: Warehouse elements are direct children of Product
                for warehouse in product.findall('Warehouse'):
                    name_elem = warehouse.find('Name')
                    stock_elem = warehouse.find('Stock')
                    
                    if name_elem is not None and stock_elem is not None:
                        warehouse_name = name_elem.text if name_elem.text else "Bilinmeyen"
                        try:
                            stock_count = int(stock_elem.text) if stock_elem.text else 0
                            if stock_count > 0:
                                if warehouse_name in warehouse_stock_map:
                                    warehouse_stock_map[warehouse_name] += stock_count
                                else:
                                    warehouse_stock_map[warehouse_name] = stock_count
                        except (ValueError, TypeError):
                            pass
            
            # Cancel alarm
            signal.alarm(0)
            
            print(f"DEBUG - Found {len(candidates)} candidates")
            if candidates:
                for product, name, variant in candidates[:3]:
                    print(f"DEBUG - Candidate: {name} - {variant}")
            
            if warehouse_stock_map:
                all_warehouse_info = []
                for warehouse_name, total_stock in warehouse_stock_map.items():
                    # Mağaza isimlerini daha anlaşılır hale getir
                    if "Caddebostan" in warehouse_name:
                        display_name = "Caddebostan mağazası"
                    elif "Ortaköy" in warehouse_name:
                        display_name = "Ortaköy mağazası"
                    elif "Sarıyer" in warehouse_name:
                        display_name = "Sarıyer mağazası"
                    elif "Alsancak" in warehouse_name or "İzmir" in warehouse_name:
                        display_name = "İzmir Alsancak mağazası"
                    else:
                        display_name = warehouse_name
                    
                    all_warehouse_info.append(f"{display_name}: Mevcut")
                return all_warehouse_info
            else:
                return ["Hiçbir mağazada mevcut değil"]
                
        except TimeoutError:
            if use_signal:
                try:
                    signal.alarm(0)
                except:
                    pass
            print("Warehouse API timeout - skipping")
            return None
        finally:
            if use_signal:
                try:
                    signal.alarm(0)
                except:
                    pass
        
    except Exception as e:
        print(f"Mağaza stok bilgisi çekme hatası: {e}")
        return None

# Import improved product search
try:
    from improved_chatbot import ImprovedChatbot
    USE_IMPROVED_SEARCH = True
    print("DEBUG - Improved chatbot loaded successfully")
except ImportError as e:
    print(f"DEBUG - Improved chatbot not available: {e}, using basic search")
    USE_IMPROVED_SEARCH = False

# Gradio uyarılarını bastır
warnings.filterwarnings("ignore", category=UserWarning, module="gradio.components.chatbot")

# Log dosyası adı ve yolu
LOG_FILE = '/data/chat_logs.txt' if os.path.exists('/data') else 'chat_logs.txt'
print(f"Dosya yolu: {os.path.abspath(LOG_FILE)}")

# API ayarları
API_URL = "https://api.openai.com/v1/chat/completions"
OPENAI_API_KEY = os.getenv("OPENAI_API_KEY")
if not OPENAI_API_KEY:
    print("Hata: OPENAI_API_KEY çevre değişkeni ayarlanmamış!")

# Trek bisiklet ürünlerini çekme
url = 'https://www.trekbisiklet.com.tr/output/8582384479'
response = requests.get(url, verify=False, timeout=30)
if response.status_code == 200 and response.content:
    root = ET.fromstring(response.content)
else:
    print(f"HTTP hatası: {response.status_code}")
    root = None

products = []
if root is not None:
    for item in root.findall('item'):
        # Tüm ürünleri al, sonra stokta olma durumunu kontrol et - None kontrolü
        rootlabel_elem = item.find('rootlabel')
        stock_elem = item.find('stockAmount')
        
        if rootlabel_elem is None or stock_elem is None:
            continue  # Eksik veri varsa bu ürünü atla
            
        name_words = rootlabel_elem.text.lower().split()
        name = name_words[0]
        full_name = ' '.join(name_words)
        
        stock_amount = "stokta" if stock_elem.text and stock_elem.text > '0' else "stokta değil"
        
        # Stokta olmayan ürünler için fiyat/link bilgisi eklemiyoruz
        if stock_amount == "stokta":
            # Normal fiyat bilgisini al - Güvenli versiyon
            price_elem = item.find('priceTaxWithCur')
            price_str = price_elem.text if price_elem is not None and price_elem.text else "Fiyat bilgisi yok"
            
            # EFT fiyatını al (havale indirimli orijinal fiyat) - Güvenli versiyon
            price_eft_elem = item.find('priceEft')
            price_eft_str = price_eft_elem.text if price_eft_elem is not None and price_eft_elem.text else ""
            
            # İndirimli fiyatı al (kampanyalı fiyat) - Güvenli versiyon
            price_rebate_elem = item.find('priceRebateWithTax')
            price_rebate_str = price_rebate_elem.text if price_rebate_elem is not None and price_rebate_elem.text else ""
            
            # Havale indirimi fiyatını al (havale indirimli kampanyalı fiyat) - Güvenli versiyon
            price_rebate_money_order_elem = item.find('priceRebateWithMoneyOrderWithTax')
            price_rebate_money_order_str = price_rebate_money_order_elem.text if price_rebate_money_order_elem is not None and price_rebate_money_order_elem.text else ""
            
            # Normal fiyatı yuvarla
            try:
                price_float = float(price_str)
                # Fiyat 200000 üzerindeyse en yakın 5000'lik basamağa yuvarla
                if price_float > 200000:
                    price = str(round(price_float / 5000) * 5000)  # En yakın 5000'e yuvarla
                # Fiyat 30000 üzerindeyse en yakın 1000'lik basamağa yuvarla
                elif price_float > 30000:
                    price = str(round(price_float / 1000) * 1000)  # En yakın 1000'e yuvarla
                # Fiyat 10000 üzerindeyse en yakın 100'lük basamağa yuvarla
                elif price_float > 10000:
                    price = str(round(price_float / 100) * 100)  # En yakın 100'e yuvarla
                # Diğer durumlarda en yakın 10'luk basamağa yuvarla
                else:
                    price = str(round(price_float / 10) * 10)  # En yakın 10'a yuvarla
            except (ValueError, TypeError):
                price = price_str  # Sayıya dönüştürülemezse olduğu gibi bırak
            
            # Havale indirimli orijinal fiyatı yuvarla (varsa)
            if price_eft_str:
                try:
                    price_eft_float = float(price_eft_str)
                    # Fiyat 200000 üzerindeyse en yakın 5000'lik basamağa yuvarla
                    if price_eft_float > 200000:
                        price_eft = str(round(price_eft_float / 5000) * 5000)
                    # Fiyat 30000 üzerindeyse en yakın 1000'lik basamağa yuvarla
                    elif price_eft_float > 30000:
                        price_eft = str(round(price_eft_float / 1000) * 1000)
                    # Fiyat 10000 üzerindeyse en yakın 100'lük basamağa yuvarla
                    elif price_eft_float > 10000:
                        price_eft = str(round(price_eft_float / 100) * 100)
                    # Diğer durumlarda en yakın 10'luk basamağa yuvarla
                    else:
                        price_eft = str(round(price_eft_float / 10) * 10)
                except (ValueError, TypeError):
                    price_eft = price_eft_str
            else:
                price_eft = ""
            
            # İndirimli fiyatı yuvarla (varsa)
            if price_rebate_str:
                try:
                    price_rebate_float = float(price_rebate_str)
                    # Fiyat 200000 üzerindeyse en yakın 5000'lik basamağa yuvarla
                    if price_rebate_float > 200000:
                        price_rebate = str(round(price_rebate_float / 5000) * 5000)
                    # Fiyat 30000 üzerindeyse en yakın 1000'lik basamağa yuvarla
                    elif price_rebate_float > 30000:
                        price_rebate = str(round(price_rebate_float / 1000) * 1000)
                    # Fiyat 10000 üzerindeyse en yakın 100'lük basamağa yuvarla
                    elif price_rebate_float > 10000:
                        price_rebate = str(round(price_rebate_float / 100) * 100)
                    # Diğer durumlarda en yakın 10'luk basamağa yuvarla
                    else:
                        price_rebate = str(round(price_rebate_float / 10) * 10)
                except (ValueError, TypeError):
                    price_rebate = price_rebate_str
            else:
                price_rebate = ""
            
            # Havale indirimli kampanyalı fiyatı yuvarla (varsa)
            if price_rebate_money_order_str:
                try:
                    price_rebate_money_order_float = float(price_rebate_money_order_str)
                    # Fiyat 200000 üzerindeyse en yakın 5000'lik basamağa yuvarla
                    if price_rebate_money_order_float > 200000:
                        price_rebate_money_order = str(round(price_rebate_money_order_float / 5000) * 5000)
                    # Fiyat 30000 üzerindeyse en yakın 1000'lik basamağa yuvarla
                    elif price_rebate_money_order_float > 30000:
                        price_rebate_money_order = str(round(price_rebate_money_order_float / 1000) * 1000)
                    # Fiyat 10000 üzerindeyse en yakın 100'lük basamağa yuvarla
                    elif price_rebate_money_order_float > 10000:
                        price_rebate_money_order = str(round(price_rebate_money_order_float / 100) * 100)
                    # Diğer durumlarda en yakın 10'luk basamağa yuvarla
                    else:
                        price_rebate_money_order = str(round(price_rebate_money_order_float / 10) * 10)
                except (ValueError, TypeError):
                    price_rebate_money_order = price_rebate_money_order_str
            else:
                price_rebate_money_order = ""
            
            # Ürün bilgilerini al - None kontrolü ekle
            product_url_elem = item.find('productLink')
            product_url = product_url_elem.text if product_url_elem is not None and product_url_elem.text else ""
            product_info = [stock_amount, price, product_url, price_eft, price_rebate, price_rebate_money_order]
            
            # Resim URL'si ekle (varsa) - Güvenli versiyon
            image_elem = item.find('picture1Path')
            if image_elem is not None and image_elem.text:
                product_info.append(image_elem.text)
            else:
                product_info.append("")  # Boş resim URL'si
            
        else:
            # Stokta olmayan ürün için sadece stok durumu
            product_info = [stock_amount]
        
        products.append((name, product_info, full_name))

print(f"Toplam {len(products)} ürün yüklendi.")

# Initialize enhanced features
initialize_enhanced_features(OPENAI_API_KEY, products)

# Initialize improved chatbot if available
improved_bot = None
if USE_IMPROVED_SEARCH:
    try:
        improved_bot = ImprovedChatbot(products)
        print("Improved product search initialized successfully")
    except Exception as e:
        print(f"Failed to initialize improved search: {e}")
        USE_IMPROVED_SEARCH = False

# Google Drive API ayarları
GOOGLE_CREDENTIALS_PATH = os.getenv("GOOGLE_CREDENTIALS_PATH")
GOOGLE_FOLDER_ID = "1bE8aMj8-eFGftjMPOF8bKQJAhfHa0BN8"

# Global değişkenler
file_lock = threading.Lock()
history_lock = threading.Lock()
global_chat_history = []
document_content = ""

# Google Drive'dan döküman indirme fonksiyonu
def download_documents_from_drive():
    global document_content
    
    if not GOOGLE_CREDENTIALS_PATH:
        print("Google credentials dosyası bulunamadı.")
        return
    
    try:
        credentials = Credentials.from_service_account_file(GOOGLE_CREDENTIALS_PATH)
        service = build('drive', 'v3', credentials=credentials)
        
        # Klasördeki dosyaları listele
        results = service.files().list(
            q=f"'{GOOGLE_FOLDER_ID}' in parents",
            fields="files(id, name, mimeType)"
        ).execute()
        
        files = results.get('files', [])
        all_content = []
        
        for file in files:
            print(f"İndiriliyor: {file['name']}")
            
            # DOCX dosyaları için
            if file['mimeType'] == 'application/vnd.openxmlformats-officedocument.wordprocessingml.document':
                request = service.files().get_media(fileId=file['id'])
                file_io = io.BytesIO()
                downloader = MediaIoBaseDownload(file_io, request)
                
                done = False
                while done is False:
                    status, done = downloader.next_chunk()
                
                file_io.seek(0)
                doc = Document(file_io)
                
                content = f"\\n=== {file['name']} ===\\n"
                for paragraph in doc.paragraphs:
                    if paragraph.text.strip():
                        content += paragraph.text + "\\n"
                
                all_content.append(content)
        
        document_content = "\\n".join(all_content)
        print(f"Toplam {len(files)} döküman yüklendi.")
        
    except Exception as e:
        print(f"Google Drive'dan döküman indirme hatası: {e}")

# Döküman indirme işlemini arka planda çalıştır
document_thread = threading.Thread(target=download_documents_from_drive, daemon=True)
document_thread.start()

# Log dosyasını zamanla temizleme fonksiyonu
def clear_log_file():
    try:
        if os.path.exists(LOG_FILE):
            with file_lock:
                with open(LOG_FILE, 'w', encoding='utf-8') as f:
                    f.write("Log dosyası temizlendi.\\n")
            print("Log dosyası temizlendi.")
    except Exception as e:
        print(f"Log dosyası temizleme hatası: {e}")

# Zamanlanmış görevleri çalıştırma fonksiyonu
def run_scheduler(chat_history):
    schedule.every().day.at("03:00").do(clear_log_file)
    
    while True:
        schedule.run_pending()
        time.sleep(60)

# Chatbot fonksiyonu
def chatbot_fn(user_message, history, image=None):
    if history is None:
        history = []
    
    # ÖNCELİKLE warehouse stock bilgisini al (streaming başlamadan önce)
    warehouse_stock_data = None
    print(f"DEBUG - Getting warehouse stock FIRST for: {user_message}")
    try:
        warehouse_stock_data = get_warehouse_stock(user_message)
        if warehouse_stock_data:
            print(f"DEBUG - Warehouse stock found: {warehouse_stock_data[:2]}...")  # İlk 2 mağaza
        else:
            print(f"DEBUG - No warehouse stock data returned")
    except Exception as e:
        print(f"DEBUG - Warehouse stock error at start: {e}")

    try:
        # Enhanced features - Görsel işleme
        if image is not None:
            user_message = process_image_message(image, user_message)
        
        # Enhanced features - Karşılaştırma kontrolü
        comparison_result = handle_comparison_request(user_message)
        if comparison_result:
            yield comparison_result
            return
        
        # Enhanced features - Basit karşılaştırma ve görsel işleme
        # Profil sistemi kaldırıldı - daha hızlı çalışma için

    except Exception as e:
        print(f"Enhanced features error: {e}")
        # Enhanced features hata verirse normal chatbot'a devam et

    # Log: Kullanıcı mesajını ekle
    try:
        with file_lock:
            with open(LOG_FILE, 'a', encoding='utf-8') as f:
                f.write(f"User: {user_message}\\n")
    except Exception as e:
        print(f"Dosya yazma hatası (Kullanıcı): {e}")

    # Sistem mesajlarını external dosyadan yükle
    system_messages = get_active_prompts()

    # Döküman verilerini sistem mesajlarına ekle
    if document_content:
        system_messages.append({"role": "system", "content": f"Dökümanlardan gelen bilgiler: {document_content}"})
    
    # Profil sistemi kaldırıldı - daha hızlı çalışma için
    
    # SADECE warehouse_stock_data kullan - improved_bot devre disi (tutarsizlik yaratiyor)
    # improved_bot farkli cache kullandigi icin bazen stok var bazen yok diyor
    product_found_improved = False
    
    # Only use warehouse stock data if available
    if not product_found_improved:
        print(f"DEBUG chatbot_fn - Using warehouse stock data for: {user_message}")
        
        # Warehouse stock bilgisi varsa kullan
        if warehouse_stock_data and warehouse_stock_data != ["Hiçbir mağazada mevcut değil"]:
            warehouse_info = f"🏪 MAĞAZA STOK BİLGİLERİ:\n"
            for store_info in warehouse_stock_data:
                warehouse_info += f"• {store_info}\n"
            system_messages.append({
                "role": "system",
                "content": f"KRITIK - GERCEK STOK VERISI (XML VERITABANINDAN):\n{warehouse_info}\n\nCOK ONEMLI: Bu veri gercek veritabanindan gelmektedir ve KESINLIKLE DOGRUDUR. Kullanicinin sordugu urun STOKTA MEVCUTTUR. ASLA 'boyle bir model yok', 'bulunamadi' veya 'Trek gaminda bulunmuyor' DEME. Yukardaki stok ve fiyat bilgisini kullanarak dogru cevap ver."
            })
            print(f"DEBUG - Using warehouse stock data")
        elif warehouse_stock_data == ["Hiçbir mağazada mevcut değil"]:
            system_messages.append({
                "role": "system",
                "content": "🏪 MAĞAZA STOK BİLGİLERİ: Sorduğunuz ürün hiçbir mağazada mevcut değil."
            })
            print(f"DEBUG - Product not available in any store")
        else:
            print(f"DEBUG - No warehouse stock data available")

        messages = system_messages + history + [{"role": "user", "content": user_message}]

    payload = {
    "model": "gpt-5.2-chat-latest",
    "messages": messages,
    "stream": True,
    "top_p": 1,
    "presence_penalty": 0,
    "frequency_penalty": 0,
    "n": 1,
}

    headers = {
        "Content-Type": "application/json",
        "Authorization": f"Bearer {OPENAI_API_KEY}"
    }

    response = requests.post(API_URL, headers=headers, json=payload, stream=True)

    # 🔥 API ERROR DEBUG BLOĞU — ÇALIŞAN VERSİYON
    if response.status_code != 200:
        try:
            print("\n🔴 OPENAI API ERROR")
            print("Status Code:", response.status_code)
            print("Response Body:", response.text, "\n")
        except Exception as e:
            print("Error printing OpenAI error:", e)

        yield f"API hatası: {response.status_code}\n{response.text}"
        return

    # --- STREAMING BAŞLANGICI ---
    partial_response = ""



    partial_response = ""
    
    for chunk in response.iter_lines():
        if not chunk:
            continue
        chunk_str = chunk.decode('utf-8')
        if chunk_str.startswith("data: ") and chunk_str != "data: [DONE]":
            try:
                chunk_data = json.loads(chunk_str[6:])
                delta = chunk_data['choices'][0]['delta']
                if 'content' in delta:
                    partial_response += delta['content']
                    # Resim formatlaması uygula
                    formatted_response = extract_product_info_for_gallery(partial_response)
                    yield formatted_response
            except json.JSONDecodeError as e:
                print(f"JSON parse hatası: {e} - Chunk: {chunk_str}")
        elif chunk_str == "data: [DONE]":
            break
    
    # Son resim formatlaması
    final_response = extract_product_info_for_gallery(partial_response)
    yield final_response

    # Profil kaydetme kaldırıldı - daha hızlı çalışma için

    # Log: Asistan cevabını ekle
    try:
        with file_lock:
            with open(LOG_FILE, 'a', encoding='utf-8') as f:
                f.write(f"Bot: {partial_response}\\n")
    except Exception as e:
        print(f"Dosya yazma hatası (Bot): {e}")

    # Global geçmişi güncelle
    with history_lock:
        global_chat_history.append({"role": "user", "content": user_message})
        global_chat_history.append({"role": "assistant", "content": partial_response})

# Slow echo (test için)
def slow_echo(message, history):
    for i in range(len(message)):
        time.sleep(0.05)
        yield "You typed: " + message[: i + 1]

# Kullanım modu
USE_SLOW_ECHO = False
chat_fn = slow_echo if USE_SLOW_ECHO else chatbot_fn

if not USE_SLOW_ECHO:
    scheduler_thread = threading.Thread(target=run_scheduler, args=(global_chat_history,), daemon=True)
    scheduler_thread.start()
    
# Trek markasına özel tema oluştur (düzeltilmiş sürüm)
trek_theme = gr.themes.Base(
    primary_hue="red",  # Trek kırmızısı için
    secondary_hue="slate",  # Gri tonları için
    neutral_hue="slate",
    radius_size=gr.themes.sizes.radius_sm,  # Köşe yuvarlatma değerleri
    spacing_size=gr.themes.sizes.spacing_md,  # Aralık değerleri
    text_size=gr.themes.sizes.text_sm  # Yazı boyutları (small)
)
# Chatbot kartları için arka plan renkleri değiştiren CSS
custom_css = """
/* Genel font ayarları */
.gradio-container, .gradio-container *, .message-wrap, .message-wrap p, .message-wrap div, 
button, input, select, textarea {
    font-family: 'Segoe UI', 'SF Pro Text', 'Roboto', -apple-system, BlinkMacSystemFont, 
                 'Helvetica Neue', Arial, sans-serif !important;
    font-size: 0.6rem !important;
}

/* Mobil responsive başlangıç */
@media (max-width: 768px) {
    .gradio-container, .gradio-container *, .message-wrap, .message-wrap p, .message-wrap div {
        font-size: 0.8rem !important;
    }
    
    h1 {
        font-size: 1.8rem !important;
        text-align: center;
        margin: 10px 0;
    }
    
    h2 {
        font-size: 1.4rem !important;
    }
}

/* Input alanı için de aynı boyut */
.message-textbox textarea {
    font-size: 0.6rem !important;
}

/* Başlıklar için özel boyutlar */
h1 {
    font-size: 1.4rem !important;
    font-weight: 800 !important;
}

h2 {
    font-size: 1.2rem !important;
    font-weight: 600 !important;
}

h3 {
    font-size: 1rem !important;
    font-weight: 600 !important;
}

/* Kart arka plan renkleri - görseldeki gibi */
/* Kullanıcı mesajları için mavi tonda arka plan */
.user-message, .user-message-highlighted {
    background-color: #e9f5fe !important;
    border-bottom-right-radius: 0 !important;
    box-shadow: 0 1px 2px rgba(0,0,0,0.1) !important;
}

/* Bot mesajları için beyaz arka plan ve hafif kenarlık */
.bot-message, .bot-message-highlighted {
    background-color: white !important;
    border: 1px solid #e0e0e0 !important;
    border-bottom-left-radius: 0 !important;
    box-shadow: 0 1px 2px rgba(0,0,0,0.05) !important;
}

/* Mesaj baloncuklarının köşe yuvarlatma değerleri */
.message-wrap {
    border-radius: 12px !important;
    margin: 0.5rem 0 !important;
    max-width: 90% !important;
}

/* Sohbet alanının genel arka planı */
.chat-container, .gradio-container {
    background-color: #f7f7f7 !important;
}

/* Daha net yazılar için text rendering */
* {
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
}

/* Restore butonu stilleri kaldırıldı */

/* Responsive mobil tasarım - iOS benzeri */
@media (max-width: 768px) {
    /* Daha büyük ve dokunmatik dostu boyutlar */
    .gradio-container {
        padding: 0 !important;
        margin: 0 !important;
    }
    
    /* Mesaj baloncukları iOS tarzı */
    .message-wrap {
        margin: 0.3rem 0.5rem !important;
        max-width: 85% !important;
        border-radius: 18px !important;
        padding: 10px 15px !important;
        font-size: 0.9rem !important;
    }
    
    /* Kullanıcı mesajları */
    .user-message, .user-message-highlighted {
        background-color: #007AFF !important;
        color: white !important;
        margin-left: auto !important;
        margin-right: 8px !important;
    }
    
    /* Bot mesajları */
    .bot-message, .bot-message-highlighted {
        background-color: #f1f1f1 !important;
        color: #333 !important;
        margin-left: 8px !important;
        margin-right: auto !important;
    }
}

/* Input alanına uçan kağıt ikonu ekle */
#msg-input {
    position: relative;
}

#msg-input textarea {
    padding-right: 40px !important;
}

.input-icon {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 16px;
    pointer-events: none;
    z-index: 10;
    color: #666;
}

/* Mobil responsive - Input alanı */
@media (max-width: 768px) {
    #msg-input {
        margin: 10px 0;
    }
    
    #msg-input textarea {
        padding: 12px 45px 12px 15px !important;
        font-size: 1rem !important;
        border-radius: 20px !important;
        border: 1px solid #ddd !important;
        box-shadow: 0 1px 3px rgba(0,0,0,0.1) !important;
    }
    
    .input-icon {
        right: 15px;
        font-size: 18px;
    }
}

/* Genel mobil iyileştirmeler */
@media (max-width: 768px) {
    /* Chatbot alanı tam ekran */
    .gradio-container .main {
        padding: 0 !important;
    }
    
    /* Başlık alanı küçült */
    .gradio-container header {
        padding: 8px !important;
    }
    
    /* Tab alanlarını küçült */
    .tab-nav {
        padding: 5px !important;
    }
    
    /* Scroll bar'ı gizle */
    .scroll-hide {
        scrollbar-width: none;
        -ms-overflow-style: none;
    }
    
    .scroll-hide::-webkit-scrollbar {
        display: none;
    }
}

/* CSS Bitişi */
"""

# Chat persistence sistemi tamamen kaldırıldı
storage_js = ""

# Enhanced chatbot fonksiyonu image destekli
def enhanced_chatbot_fn(message, history, image):
    return chatbot_fn(message, history, image)

# Demo arayüzü - Mobil responsive

# Function to get conversations for API
def get_conversations_api():
    """Get all conversations as JSON for dashboard"""
    try:
        from conversation_tracker import load_conversations
        conversations = load_conversations()
        return conversations
    except Exception as e:
        return [{"error": str(e)}]

with gr.Blocks(css=custom_css, theme="soft", title="Trek Asistanı", head=storage_js) as demo:
    gr.Markdown("# 🚲 Trek Asistanı AI")
    gr.Markdown("**Akıllı özellikler:** Ürün karşılaştırması ve detaylı ürün bilgileri sunuyorum.")
    
    # LocalStorage fonksiyonu kaldırıldı
    
    chatbot = gr.Chatbot(height=600, elem_id="chatbot", show_label=False, type="messages")
    
    msg = gr.Textbox(
        placeholder="Trek bisikletleri hakkında soru sorun...",
        show_label=False,
        elem_id="msg-input"
    )
    
    
    # Session ve profil sistemi tamamen kaldırıldı
    
    def respond(message, chat_history):
        if not message.strip():
            return "", chat_history
            
        # Kullanıcı mesajını hemen göster
        if chat_history is None:
            chat_history = []
        
        # Messages format için kullanıcı mesajını ekle
        chat_history.append({"role": "user", "content": message})
        yield "", chat_history
        
        # Chat history'yi chatbot_fn için uygun formata çevir
        formatted_history = []
        for msg in chat_history[:-1]:  # Son mesajı hariç tut
            formatted_history.append(msg)
        
        try:
            # Enhanced chatbot fonksiyonunu çağır (image=None)
            response_generator = chatbot_fn(message, formatted_history, None)
            
            # Generator'dan streaming cevap al
            response = ""
            for partial in response_generator:
                response = partial
                # Bot cevabını ekle veya güncelle
                # Eğer son mesaj user ise, bot mesajı ekle
                if chat_history[-1]["role"] == "user":
                    chat_history.append({"role": "assistant", "content": response})
                else:
                    # Son bot mesajını güncelle
                    chat_history[-1]["content"] = response
                yield "", chat_history
            
            # Konuşmayı kaydet
            try:
                add_conversation(message, response)
            except Exception as e:
                print(f"Error saving conversation: {e}")
            
        except Exception as e:
            error_msg = f"Üzgünüm, bir hata oluştu: {str(e)}"
            print(f"Chat error: {e}")
            # Hata mesajı ekle
            if chat_history[-1]["role"] == "user":
                chat_history.append({"role": "assistant", "content": error_msg})
            else:
                chat_history[-1]["content"] = error_msg
            yield "", chat_history
    
    
    # Hidden API endpoint for conversations
    with gr.Row(visible=False):
        api_btn = gr.Button("Get Conversations", elem_id="api_btn")
        api_output = gr.JSON(label="Conversations")
    
    api_btn.click(fn=get_conversations_api, outputs=api_output, api_name="get_conversations")
    
    msg.submit(respond, [msg, chatbot], [msg, chatbot], show_progress=True)
    
# API will be handled separately in production

# FastAPI endpoints disabled for better HF Spaces compatibility
# Use Gradio's built-in API instead

# from fastapi import FastAPI
# from fastapi.middleware.cors import CORSMiddleware
# from fastapi.responses import JSONResponse
# import json

# # Create FastAPI app
# api = FastAPI()

# # Add CORS middleware
# api.add_middleware(
#     CORSMiddleware,
#     allow_origins=["*"],  # Allow all origins
#     allow_credentials=True,
#     allow_methods=["*"],
#     allow_headers=["*"],
# )

# @api.get("/api/conversations")
# async def get_conversations():
#     """API endpoint to get conversations with CORS"""
#     try:
#         from conversation_tracker import load_conversations
#         conversations = load_conversations()
#         return JSONResponse(content=conversations)
#     except Exception as e:
#         return JSONResponse(content={"error": str(e)}, status_code=500)

# @api.get("/api/conversations/latest")
# async def get_latest_conversations():
#     """Get last 50 conversations"""
#     try:
#         from conversation_tracker import load_conversations
#         conversations = load_conversations()
#         return JSONResponse(content=conversations[-50:])
#     except Exception as e:
#         return JSONResponse(content={"error": str(e)}, status_code=500)



# Use Gradio directly instead of mounting on FastAPI - Better for HF Spaces
if __name__ == "__main__":
    demo.launch(allowed_paths=["/app/conversations.json", "/app/public"],
        server_name="0.0.0.0",
        server_port=7860,
        share=False,
        show_api=True
    )