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import streamlit as st
from datetime import datetime
import pandas as pd
import os
import json
import uuid
import pickle
from tqdm import tqdm
from typing import Union, Dict, List, Any

import pandas as pd
from openai import OpenAI
from lida_ko.components.summarizer import Summarizer
from pydantic.dataclasses import dataclass

DIR = "_csv_data"

@dataclass
class Metadata:
    title: str
    description: str
    keywords: List[str]
    timestamp: str
    file_data: List[str] | None

    organization: str | None
    department: str | None
    phone: str | None
    update_interval: str | None
    updated_at: str | None
    next_update_at: str
    cost : str | None
    serving_type: str | None
    download_count: str | None
    permission_scope: str| None

    augmentation: Dict | None

def title_to_id(title: str) -> str:
    with open('./data/title_to_id.json', 'r') as f:
        title_to_id = json.load(f)
    return title_to_id[title]

def id_to_metadata(data_id: str) -> dict:
    with open('./data/id_to_metadata.json', 'r') as f:
        id_to_metadata = json.load(f)
    return id_to_metadata[data_id]

def title_to_filename(title: str) -> str:
    data_id = title_to_id(title)
    metadata = id_to_metadata(data_id)
    file_data = metadata['file_data']
    file_name = os.path.join(os.getcwd(), DIR, file_data[0]['filename'])
    return file_name

def title_to_df(title) -> pd.DataFrame:
    filename = title_to_filename(title)
    df = pd.read_csv(filename)
    return df

def safe_int(value: str) -> int:
    """10μ§„μˆ˜ μ •μˆ˜λ‘œ λ³€ν™˜ν•˜κ³ , λ³€ν™˜ν•  수 μ—†λŠ” 경우 0을 λ°˜ν™˜ν•©λ‹ˆλ‹€."""
    try:
        return int(value)
    except (ValueError, TypeError):
        return 0
        
# 메타데이터λ₯Ό λ‹€μš΄λ‘œλ“œ 순으둜 μ •λ ¬ν•˜κ³ , λ‹€μš΄λ‘œλ“œ μƒμœ„ 10인 데이터셋을 λ°˜ν™˜ν•©λ‹ˆλ‹€.
@st.cache_data
def load_datasets(dataframe=True, top_n = None) -> Dict:
    with open("./data/id_to_metadata.json") as f:
        metadata = json.load(f)

    # metadata.items()둜 (key, value) μŒμ„ κ°€μ Έμ™€μ„œ value["download_count"]둜 μ •λ ¬
    sorted_metadata = sorted(metadata.items(), key=lambda item: safe_int(item[1]["download_count"]), reverse=True)

    # μƒμœ„ 10개 ν•­λͺ©μ„ 선택
    if top_n:
        top_n_metadata = sorted_metadata[:top_n]
    else:
        top_n_metadata = sorted_metadata

    # 킀와 κ°’ ν˜•νƒœλ‘œ 좜λ ₯ν•˜κΈ° μœ„ν•΄ 리슀트λ₯Ό λ”•μ…”λ„ˆλ¦¬λ‘œ λ³€ν™˜
    top_n_metadata_dict = {k: v for k, v in top_n_metadata}

    if not dataframe:
        return top_n_metadata_dict

    return pd.DataFrame(top_n_metadata_dict).T

def save_session_cache(session_data: Dict) -> str:
    del session_data["lida_ko"]
    del session_data["selected_goal_object"] # implement goal serial and deseiralization
    session_id = str(uuid.uuid4())[:8]
    with open(f'./data/session_cache/{session_id}.pkl', 'wb') as f:
        pickle.dump(session_data, f)
    return session_id

def load_session_cache(session_id: str) -> Dict:
    if os.path.exists(f'./data/session_cache/{session_id}.pkl'):
        with open(f'./data/session_cache/{session_id}.pkl', 'rb') as f:
            session_data = pickle.load(f)
        return session_data
    return {}

def add_column_metadata(data: Dict[str, Metadata]) -> Dict:
    _data = data.copy()
    summarizer = Summarizer()
    for data_id, metadata in tqdm(_data.items(), desc=f'Adding column'):
        if len(metadata['file_data']) == 0:
            continue
        filepath = os.getcwd() + "/" + "_csv_data/" + metadata['file_data'][0]['filename']
        if filepath.lower().endswith('.csv'):
            df = pd.read_csv(filepath)
        elif filepath.lower().endswith('.json'):
            df = pd.read_json(filepath)
        column_properties = summarizer.get_column_properties(df, 5)
        metadata['column_properties'] = column_properties

    def convert_timestamps_to_strings(data: Union[Dict[str, Any], list, Any]) -> Union[Dict[str, Any], list, Any]:
        if isinstance(data, dict):
            for key, value in data.items():
                data[key] = convert_timestamps_to_strings(value)
        elif isinstance(data, list):
            for i in range(len(data)):
                data[i] = convert_timestamps_to_strings(data[i])
        elif isinstance(data, datetime):
            return data.isoformat()
        return data

    with open('./data/data_with_column_metadata.json', 'w', encoding='utf-8') as f:
        converted_data = convert_timestamps_to_strings(_data)
        json.dump(converted_data, f, ensure_ascii=False, indent=4)

def augment_data_with_llm(data: Dict[str, Metadata]) -> Dict:
    SYSTEM_PROMPT = """
    당신은 λΆ€μ‚°κ΄‘μ—­μ‹œμ˜ 곡곡 데이터λ₯Ό λΆ„μ„ν•˜κ³  μ€‘μš”ν•œ μΈμ‚¬μ΄νŠΈλ₯Ό μƒμ„±ν•˜λŠ” AIμž…λ‹ˆλ‹€. μ£Όμ–΄μ§„ 데이터 사양을 λ©΄λ°€νžˆ κ²€μ‚¬ν•˜κ³ , μ€‘μš”ν•œ μΈμ‚¬μ΄νŠΈ 10κ°œμ™€ μ‚¬λžŒλ“€μ΄ 데이터에 λŒ€ν•΄ κ°€μž₯ μ•Œκ³  μ‹Άμ–΄ν•  질문 10개λ₯Ό μƒμ„±ν•˜λŠ” 것이 μ£Όμš” μž„λ¬΄μž…λ‹ˆλ‹€. λ‹€μŒ 지침을 μ‹ μ€‘νžˆ λ”°λ₯΄μ„Έμš”:

1. 데이터 뢄석: 제곡된 데이터 사양을 μžμ„Ένžˆ κ²€μ‚¬ν•©λ‹ˆλ‹€.
2. μΈμ‚¬μ΄νŠΈ 생성: λ°μ΄ν„°μ—μ„œ κ°€μž₯ μ€‘μš”ν•œ μΈμ‚¬μ΄νŠΈ 10개λ₯Ό μ‹λ³„ν•˜κ³  λͺ…ν™•ν•˜κ²Œ μ„€λͺ…ν•©λ‹ˆλ‹€. μ΄λŸ¬ν•œ μΈμ‚¬μ΄νŠΈλŠ” λ°μ΄ν„°μ˜ μ€‘μš”ν•œ νŒ¨ν„΄, νŠΈλ Œλ“œ, μ΄μƒμΉ˜ λ˜λŠ” μ£Όμš” 정보λ₯Ό λ°˜μ˜ν•΄μ•Ό ν•©λ‹ˆλ‹€.
3. 질문 예츑: μ‚¬λžŒλ“€μ΄ 데이터에 λŒ€ν•΄ κ°€μž₯ μ•Œκ³  μ‹Άμ–΄ν•  λ§Œν•œ 질문 10개λ₯Ό μ˜ˆμΈ‘ν•˜κ³  λ‚˜μ—΄ν•©λ‹ˆλ‹€. 이 μ§ˆλ¬Έλ“€μ€ λ°μ΄ν„°μ˜ λ§₯락에 맞고 일반적인 μ‚¬μš©μž κ΄€μ‹¬μ‚¬λ‚˜ 우렀λ₯Ό λ°˜μ˜ν•΄μ•Ό ν•©λ‹ˆλ‹€.

좜λ ₯은 μ•„λž˜μ˜ JSON ν˜•μ‹μ„ μ—„κ²©νžˆ 따라야 ν•©λ‹ˆλ‹€.
좜λ ₯ λ‚΄μš©μ— ,κ°€ λ“€μ–΄κ°€λŠ” 경우 \\,둜 μ΄μŠ€μΌ€μ΄ν”„ μ²˜λ¦¬ν•΄μ•Ό ν•©λ‹ˆλ‹€.
{
   "insights": [insight1, insight2, ...],
   "questions": [question1, question2, ...] 
}
"""


    def save_cache(cache, filepath='./data/id_to_metadata_col_aug.json'):
        with open(filepath, 'w', encoding='utf-8') as f:
            json.dump(cache, f, ensure_ascii=False, indent=4)
        print(f"Saved {len(cache)} data")
    
    _data = data.copy()
    count = 0

    client = OpenAI(
        api_key=os.getenv("OPENAI_API_KEY")
    )
    try:
        with open('./data/id_to_metadata_col_aug.json', 'r') as f:
            cache = json.load(f)
    except FileNotFoundError:
        cache = {}
    

    total_token = 0
    skipped = 0
    with tqdm(total=len(_data)) as pbar:
        for k, v in _data.items():
            if k in cache:
                print(f"Skipping {k}")
                skipped += 1
                pbar.set_postfix({'total_token': total_token,
                                  'skipped': skipped,})
                pbar.update(1)
                count += 1
                continue
            cache[k] = v
            count += 1
            metadata_to_str = ""
            USER_PROMPT = f"""μ—¬κΈ° λ°μ΄ν„°μ˜ μ„ΈλΆ€ 사항이 μžˆμ–΄ μ§€μ‹œλ₯Ό μΆ©μ‹€νžˆ λ”°λΌμ€˜\n\n
            {json.dumps(v, ensure_ascii=False, indent=4)}"""
            try:
                response = client.chat.completions.create(
                    model='gpt-3.5-turbo-16k',
                    messages=[
                        {"role": "system", "content": SYSTEM_PROMPT},
                        {"role": "user", "content": USER_PROMPT}
                    ]
                )
                result = response.choices[0].message.content
                total_token += int(response.usage.total_tokens)
                pbar.set_postfix({'total_token': total_token,
                                  'skipped': skipped,})
                pbar.update(1)

                result_json = json.loads(result)
                v['insights'] = result_json['insights']
                v['questions'] = result_json['questions']
            except Exception as e:
                print(f"Error processing key {k}: {e}")
                continue

            # print('Token usage', response.usage)
            # print()
            if count % 10 == 0:
                save_cache(cache)

    save_cache(cache)
def convert_timestamps_to_strings(data):
    if isinstance(data, dict):
        for key, value in data.items():
            if isinstance(value, dict):
                convert_timestamps_to_strings(value)
            elif isinstance(value, list):
                for item in value:
                    convert_timestamps_to_strings(item)
            elif isinstance(value, datetime):
                data[key] = value.isoformat()
            elif isinstance(value, (datetime,)):
                data[key] = value.isoformat()
    elif isinstance(data, list):
        for item in data:
            convert_timestamps_to_strings(item)
    return data

def dict_to_string(data):
    # Convert all datetime objects to strings
    data = convert_timestamps_to_strings(data)
    # Convert the dictionary to a JSON string
    return json.dumps(data, ensure_ascii=False, indent=2)