import os
import sys
import io
import re
import atexit
import threading
import time
import logging
from collections import deque
from pathlib import Path
from flask import Flask, request, jsonify, render_template_string, send_file, send_from_directory

from settings_manager import SettingsManager
from autoblow_controller import AutoblowController as HandyController
from llm_service import LLMService
from audio_service import AudioService
from background_modes import AutoModeThread, auto_mode_logic, milking_mode_logic, edging_mode_logic
from enhanced_background_modes import EnhancedModeRunner

# ─── INITIALIZATION ───────────────────────────────────────────────────────────────────────────────────
app = Flask(__name__)
LLM_URL = os.getenv("OLLAMA_URL", "http://127.0.0.1:11434/api/chat")
settings = SettingsManager(settings_file_path="my_settings.json")
settings.load()

handy = HandyController(settings.handy_key)
handy.update_settings(settings.min_speed, settings.max_speed, settings.min_depth, settings.max_depth)

llm = LLMService(url=LLM_URL)
audio = AudioService()
if settings.elevenlabs_api_key:
    if audio.set_api_key(settings.elevenlabs_api_key):
        audio.fetch_available_voices()
        audio.configure_voice(settings.elevenlabs_voice_id, True)

# In-Memory State
chat_history = deque(maxlen=20)
messages_for_ui = deque()
auto_mode_active_task = None
current_mood = "Curious"
use_long_term_memory = True
calibration_pos_mm = 0.0
user_signal_event = threading.Event()
mode_message_queue = deque(maxlen=5)
edging_start_time = None

# Enhanced pattern mode runner
pattern_mode_runner = EnhancedModeRunner(handy)

# Easter Egg State
special_persona_mode = None
special_persona_interactions_left = 0

SNAKE_ASCII = """
⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⠿⠟⠛⠛⠋⠉⠛⠟⢿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿
⣿⣿⣿⣿⣿⣿⣿⡏⠉⠹⠁⠀⠀⠀⠀⠀⠀⠀⠀⠀⠘⣿⣿⣿⣿⣿⣿⣿⣿⣿
⣿⣿⣿⣿⣿⣿⣿⣿⠀⢸⣧⡀⠀⠰⣦⡀⠀⠀⢀⠀⠀⠈⣻⣿⣿⣿⣿⣿⣿⣿
⣿⣿⣿⣿⣿⣿⣿⣿⡇⢨⣿⣿⣖⡀⢡⠉⠄⣀⢀⣀⡀⠀⠼⣿⣿⣿⣿⣿⣿⣿
⣿⣿⣿⣿⣿⣿⣿⣿⠀⠀⠘⠋⢏⢀⣰⣖⣿⣿⣿⠟⡡⠀⣿⣿⣿⣿⣿⣿⣿⣿
⣿⣿⣿⣿⣿⣿⣯⠁⢀⠂⡆⠉⠘⠛⠿⣿⢿⠟⢁⣬⡶⢠⣿⣿⣿⣿⣿⣿⣿⣿
⣿⣿⣿⣿⣿⣿⡯⠀⢀⡀⠝⠀⠀⠀⠀⢀⠠⣩⣤⣠⣆⣾⣿⣿⣿⣿⣿⣿⣿⣿
⣿⣿⣿⣿⣿⣿⡅⠀⠊⠇⢈⣴⣦⣤⣆⠈⢀⠋⠹⣿⣇⣻⣿⣿⣿⣿⣿⣿⣿⣿
⣿⣿⣿⣿⣿⣿⣿⡄⠥⡇⠀⠀⠚⠺⠯⠀⠀⠒⠛⠒⢪⢿⣿⣿⣿⣿⣿⣿⣿⣿
⣿⣿⣿⡿⠿⠛⠋⠀⠘⣿⡄⠀⠀⠀⠋⠉⡉⠙⠂⢰⣾⣿⣿⣿⣿⣿⣿⣿⣿⣿
⠀⠈⠉⠀⠀⠀⠀⠀⠀⠀⠙⠷⢐⠀⠀⠀⠀⢀⢴⣿⠊⠀⠉⠉⠉⠈⠙⠉⠛⠿
⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠈⠉⠰⣖⣴⣾⡃⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢀
⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠁⠀⠀⠀⠀⠀⢀⠀⠀⠀⠀⠁⠀⠨
"""

# Command Keywords
STOP_COMMANDS = {"stop", "hold", "halt", "pause", "freeze", "wait"}
AUTO_ON_WORDS = {"take over", "you drive", "auto mode"}
AUTO_OFF_WORDS = {"manual", "my turn", "stop auto"}
MILKING_CUES = {"i'm close", "make me cum", "finish me"}
EDGING_CUES = {"edge me", "start edging", "tease and deny"}

# ─── HELPER FUNCTIONS ─────────────────────────────────────────────────────────────────────────────────

def get_current_context():
    global edging_start_time, special_persona_mode
    context = {
        'persona_desc': settings.persona_desc, 'current_mood': current_mood,
        'user_profile': settings.user_profile, 'patterns': settings.patterns,
        'rules': settings.rules, 'last_stroke_speed': handy.last_relative_speed,
        'last_depth_pos': handy.last_depth_pos, 'use_long_term_memory': use_long_term_memory,
        'edging_elapsed_time': None, 'special_persona_mode': special_persona_mode
    }
    if edging_start_time:
        elapsed_seconds = int(time.time() - edging_start_time)
        minutes, seconds = divmod(elapsed_seconds, 60)
        hours, minutes = divmod(minutes, 60)
        if hours > 0:
            context['edging_elapsed_time'] = f"{hours}h {minutes}m {seconds}s"
        else:
            context['edging_elapsed_time'] = f"{minutes}m {seconds}s"
    return context

def add_message_to_queue(text, add_to_history=True):
    messages_for_ui.append(text)
    if add_to_history:
        clean_text = re.sub(r'<[^>]+>', '', text).strip()
        if clean_text: chat_history.append({"role": "assistant", "content": clean_text})
    threading.Thread(target=audio.generate_audio_for_text, args=(text,)).start()

def start_background_mode(mode_logic, initial_message, mode_name):
    global auto_mode_active_task, edging_start_time
    if auto_mode_active_task:
        auto_mode_active_task.stop()
        auto_mode_active_task.join(timeout=5)
    
    user_signal_event.clear()
    mode_message_queue.clear()
    if mode_name == 'edging':
        edging_start_time = time.time()
    
    def on_stop():
        global auto_mode_active_task, edging_start_time
        auto_mode_active_task = None
        edging_start_time = None

    def update_mood(m): global current_mood; current_mood = m
    def get_timings(n):
        return {
            'auto': (settings.auto_min_time, settings.auto_max_time),
            'milking': (settings.milking_min_time, settings.milking_max_time),
            'edging': (settings.edging_min_time, settings.edging_max_time)
        }.get(n, (3, 5))

    services = {'llm': llm, 'handy': handy}
    callbacks = {
        'send_message': add_message_to_queue, 'get_context': get_current_context,
        'get_timings': get_timings, 'on_stop': on_stop, 'update_mood': update_mood,
        'user_signal_event': user_signal_event,
        'message_queue': mode_message_queue
    }
    auto_mode_active_task = AutoModeThread(mode_logic, initial_message, services, callbacks, mode_name=mode_name)
    auto_mode_active_task.start()

# ─── FLASK ROUTES ──────────────────────────────────────────────────────────────────────────────────────
@app.route('/')
def home_page():
    base_path = sys._MEIPASS if getattr(sys, 'frozen', False) else os.path.dirname(os.path.abspath(__file__))
    with open(os.path.join(base_path, 'index.html'), 'r', encoding='utf-8') as f:
        return render_template_string(f.read())

@app.route('/static/<path:path>')
def send_static(path):
    static_dir = os.path.join(os.path.dirname(__file__), 'static')
    return send_from_directory(static_dir, path)

def _konami_code_action():
    def pattern_thread():
        handy.move(speed=100, depth=50, span=100)
        time.sleep(5)
        handy.stop()
    threading.Thread(target=pattern_thread).start()
    message = f"Kept you waiting, huh?<pre>{SNAKE_ASCII}</pre>"
    add_message_to_queue(message)

def _handle_chat_commands(text):
    if any(cmd in text for cmd in STOP_COMMANDS):
        if auto_mode_active_task: auto_mode_active_task.stop()
        handy.stop()
        add_message_to_queue("Stopping.", add_to_history=False)
        return True, jsonify({"status": "stopped"})
    if "up up down down left right left right b a" in text:
        _konami_code_action()
        return True, jsonify({"status": "konami_code_activated"})
    if any(cmd in text for cmd in AUTO_ON_WORDS) and not auto_mode_active_task:
        start_background_mode(auto_mode_logic, "Okay, I'll take over...", mode_name='auto')
        return True, jsonify({"status": "auto_started"})
    if any(cmd in text for cmd in AUTO_OFF_WORDS) and auto_mode_active_task:
        auto_mode_active_task.stop()
        return True, jsonify({"status": "auto_stopped"})
    if any(cmd in text for cmd in EDGING_CUES):
        start_background_mode(edging_mode_logic, "Let's play an edging game...", mode_name='edging')
        return True, jsonify({"status": "edging_started"})
    if any(cmd in text for cmd in MILKING_CUES):
        start_background_mode(milking_mode_logic, "You're so close... I'm taking over completely now.", mode_name='milking')
        return True, jsonify({"status": "milking_started"})
    return False, None

@app.route('/send_message', methods=['POST'])
def handle_user_message():
    global special_persona_mode, special_persona_interactions_left
    data = request.json
    user_input = data.get('message', '').strip()

    if (p := data.get('persona_desc')) and p != settings.persona_desc:
        settings.persona_desc = p; settings.save()
    if (k := data.get('key')) and k != settings.handy_key:
        handy.set_api_key(k); settings.handy_key = k; settings.save()
    
    if not handy.handy_key: return jsonify({"status": "no_key_set"})
    if not user_input: return jsonify({"status": "empty_message"})

    chat_history.append({"role": "user", "content": user_input})
    
    handled, response = _handle_chat_commands(user_input.lower())
    if handled: return response

    if auto_mode_active_task:
        mode_message_queue.append(user_input)
        return jsonify({"status": "message_relayed_to_active_mode"})
    
    llm_response = llm.get_chat_response(chat_history, get_current_context())
    
    if special_persona_mode is not None:
        special_persona_interactions_left -= 1
        if special_persona_interactions_left <= 0:
            special_persona_mode = None
            add_message_to_queue("(Personality core reverted to standard operation.)", add_to_history=False)

    if chat_text := llm_response.get("chat"): add_message_to_queue(chat_text)
    if new_mood := llm_response.get("new_mood"): global current_mood; current_mood = new_mood
    if not auto_mode_active_task and (move := llm_response.get("move")):
        handy.move(move.get("sp"), move.get("dp"), move.get("rng"))
    return jsonify({"status": "ok"})

@app.route('/check_settings')
def check_settings_route():
    if settings.handy_key and settings.min_depth < settings.max_depth:
        return jsonify({
            "configured": True, "persona": settings.persona_desc, "handy_key": settings.handy_key,
            "ai_name": settings.ai_name, "elevenlabs_key": settings.elevenlabs_api_key,
            "pfp": settings.profile_picture_b64,
            "timings": { "auto_min": settings.auto_min_time, "auto_max": settings.auto_max_time, "milking_min": settings.milking_min_time, "milking_max": settings.milking_max_time, "edging_min": settings.edging_min_time, "edging_max": settings.edging_max_time }
        })
    return jsonify({"configured": False})

@app.route('/set_ai_name', methods=['POST'])
def set_ai_name_route():
    global special_persona_mode, special_persona_interactions_left
    name = request.json.get('name', 'BOT').strip();
    if not name: name = 'BOT'
    
    if name.lower() == 'glados':
        special_persona_mode = "GLaDOS"
        special_persona_interactions_left = 5
        settings.ai_name = "GLaDOS"
        settings.save()
        return jsonify({"status": "special_persona_activated", "persona": "GLaDOS", "message": "Oh, it's *you*."})

    settings.ai_name = name; settings.save()
    return jsonify({"status": "success", "name": name})

@app.route('/signal_edge', methods=['POST'])
def signal_edge_route():
    if auto_mode_active_task and auto_mode_active_task.name == 'edging':
        user_signal_event.set()
        return jsonify({"status": "signaled"})
    return jsonify({"status": "ignored", "message": "Edging mode not active."}), 400

@app.route('/set_profile_picture', methods=['POST'])
def set_pfp_route():
    b64_data = request.json.get('pfp_b64')
    if not b64_data: return jsonify({"status": "error", "message": "Missing image data"}), 400
    settings.profile_picture_b64 = b64_data; settings.save()
    return jsonify({"status": "success"})

@app.route('/set_handy_key', methods=['POST'])
def set_handy_key_route():
    key = request.json.get('key')
    if not key: return jsonify({"status": "error", "message": "Key is missing"}), 400
    handy.set_api_key(key); settings.handy_key = key; settings.save()
    return jsonify({"status": "success"})

@app.route('/nudge', methods=['POST'])
def nudge_route():
    global calibration_pos_mm
    if calibration_pos_mm == 0.0 and (pos := handy.get_position_mm()):
        calibration_pos_mm = pos
    direction = request.json.get('direction')
    calibration_pos_mm = handy.nudge(direction, 0, 100, calibration_pos_mm)
    return jsonify({"status": "ok", "depth_percent": handy.mm_to_percent(calibration_pos_mm)})

@app.route('/setup_elevenlabs', methods=['POST'])
def elevenlabs_setup_route():
    data = request.json
    api_key = data.get('api_key')
    voice_id = data.get('voice_id')
    enabled = data.get('enabled', False)
    
    if api_key:
        if not audio.set_api_key(api_key):
            return jsonify({"status": "error", "message": "Invalid API key"}), 400
        settings.elevenlabs_api_key = api_key
        
        voices_result = audio.fetch_available_voices()
        if voices_result.get("status") == "error":
            return jsonify(voices_result), 400
            
    success, message = audio.configure_voice(voice_id, enabled)
    if not success:
        return jsonify({"status": "error", "message": message}), 400
        
    settings.elevenlabs_voice_id = voice_id if enabled else ""
    settings.save()
    
    return jsonify({"status": "success", "voices": audio.available_voices})

@app.route('/get_audio', methods=['GET'])
def get_audio_route():
    audio_data = audio.get_next_audio_chunk()
    if audio_data:
        return send_file(io.BytesIO(audio_data), mimetype="audio/mpeg", as_attachment=False)
    return jsonify({"status": "no_audio"}), 204

@app.route('/poll_messages', methods=['GET'])
def poll_messages_route():
    global pattern_mode_runner
    
    if messages_for_ui:
        messages = list(messages_for_ui)
        messages_for_ui.clear()
        return jsonify({
            "messages": messages,
            "mood": current_mood,
            "auto_active": bool(auto_mode_active_task) or pattern_mode_runner.is_running(),
            "auto_mode_name": auto_mode_active_task.name if auto_mode_active_task else ("pattern" if pattern_mode_runner.is_running() else None),
            "edging_elapsed": int(time.time() - edging_start_time) if edging_start_time else None
        })
    return jsonify({
        "messages": [],
        "mood": current_mood,
        "auto_active": bool(auto_mode_active_task) or pattern_mode_runner.is_running(),
        "auto_mode_name": auto_mode_active_task.name if auto_mode_active_task else ("pattern" if pattern_mode_runner.is_running() else None),
        "edging_elapsed": int(time.time() - edging_start_time) if edging_start_time else None
    })

@app.route('/save_timings', methods=['POST'])
def save_timings_route():
    data = request.json
    settings.auto_min_time = float(data.get('auto_min_time', 4.0))
    settings.auto_max_time = float(data.get('auto_max_time', 7.0))
    settings.milking_min_time = float(data.get('milking_min_time', 2.5))
    settings.milking_max_time = float(data.get('milking_max_time', 4.5))
    settings.edging_min_time = float(data.get('edging_min_time', 5.0))
    settings.edging_max_time = float(data.get('edging_max_time', 8.0))
    settings.save()
    return jsonify({"status": "success"})

@app.route('/sidebar_mode_action', methods=['POST'])
def sidebar_mode_action_route():
    global pattern_mode_runner
    action = request.json.get('action')
    use_patterns = request.json.get('use_patterns', False)
    
    if action == 'auto':
        if auto_mode_active_task:
            auto_mode_active_task.stop()
            pattern_mode_runner.stop_current_mode()
            return jsonify({"status": "auto_stopped"})
        else:
            if use_patterns and pattern_mode_runner.start_pattern_mode('auto'):
                add_message_to_queue("Starting auto pattern mode...", add_to_history=False)
                return jsonify({"status": "pattern_auto_started"})
            else:
                start_background_mode(auto_mode_logic, "Taking control now...", mode_name='auto')
                return jsonify({"status": "auto_started"})
    
    elif action == 'edging':
        pattern_mode_runner.stop_current_mode()
        if use_patterns and pattern_mode_runner.start_pattern_mode('edge'):
            add_message_to_queue("Starting edging pattern mode...", add_to_history=False)
            return jsonify({"status": "pattern_edging_started"})
        else:
            start_background_mode(edging_mode_logic, "Let's begin edging...", mode_name='edging')
            return jsonify({"status": "edging_started"})
    
    elif action == 'milking':
        pattern_mode_runner.stop_current_mode()
        if use_patterns and pattern_mode_runner.start_pattern_mode('orgasm'):
            add_message_to_queue("Starting milking pattern mode...", add_to_history=False)
            return jsonify({"status": "pattern_milking_started"})
        else:
            start_background_mode(milking_mode_logic, "Milking time...", mode_name='milking')
            return jsonify({"status": "milking_started"})
    
    elif action == 'stop':
        if auto_mode_active_task:
            auto_mode_active_task.stop()
        pattern_mode_runner.stop_current_mode()
        handy.stop()
        return jsonify({"status": "stopped"})
    
    return jsonify({"status": "unknown_action"}), 400

def cleanup():
    """Clean up resources when the app shuts down"""
    global auto_mode_active_task, pattern_mode_runner
    if auto_mode_active_task:
        auto_mode_active_task.stop()
        auto_mode_active_task.join(timeout=5)
    pattern_mode_runner.stop_current_mode()
    handy.stop()
    settings.save(llm, chat_history)

atexit.register(cleanup)

if __name__ == '__main__':
    logging.basicConfig(level=logging.DEBUG)
    app.secret_key = os.environ.get("SESSION_SECRET", "dev-secret-key-change-in-production")
    app.run(host='0.0.0.0', port=5000, debug=True)