import os
import urllib.parse
from flask import request, jsonify, session, render_template, current_app
import requests
from db import get_db
from models import ChannelId, QuizMaster

def handle_file_upload():
    if 'files' not in request.files:
        return jsonify({'error': 'ファイルが見つかりません'})
    files = request.files.getlist('files')
    if not files or files[0].filename == '':
        return jsonify({'error': '選択されたファイルがありません'})

    for file in files:
        filename = file.filename
        file.save(os.path.join(current_app.config['UPLOAD_FOLDER'], filename))

    return jsonify({'message': 'ファイルがアップロードされました'})

def delete_file(filename):
    filename = urllib.parse.unquote(filename)
    file_path = os.path.join(current_app.config['UPLOAD_FOLDER'], filename)
    if os.path.exists(file_path):
        os.remove(file_path)
        return jsonify({'message': 'ファイルが削除されました'})
    return jsonify({'error': 'ファイルが見つかりません'})

def play_file(filename, volume):
    filename = urllib.parse.unquote(filename)
    response = requests.post(f"{current_app.config['BOT_API_URL']}/play", json={'filename': filename, 'volume': volume})
    return jsonify(response.json())

def join_channel():
    channel_id = request.json.get('channel_id')
    db = get_db()
    new_channel = ChannelId(channel_id=channel_id)
    db.add(new_channel)
    db.commit()
    response = requests.post(f"{current_app.config['BOT_API_URL']}/join", json={'channel_id': channel_id})
    return jsonify(response.json())

def leave_channel():
    response = requests.post(f"{current_app.config['BOT_API_URL']}/leave")
    return jsonify(response.json())

def index():
    files = os.listdir(current_app.config['UPLOAD_FOLDER'])
    db = get_db()
    last_channel_id = db.query(ChannelId).order_by(ChannelId.id.desc()).first()
    last_channel_id = last_channel_id.channel_id if last_channel_id else ""
    return render_template('index.html', files=files, last_channel_id=last_channel_id)

def get_files():
    files = os.listdir(current_app.config['UPLOAD_FOLDER'])
    return jsonify(files)

def get_quiz_master():
    db = get_db()
    quiz_master_data = db.query(QuizMaster).all()
    result = []
    for qm in quiz_master_data:
        result.append({
            'id': qm.id,
            'title': qm.title,
            'full_audio_name': qm.full_audio_name,
            'intro_audio_name': qm.intro_audio_name,
            'keyword1': qm.keyword1,
            'keyword2': qm.keyword2,
            'keyword3': qm.keyword3
        })
    return jsonify(result)

def get_unique_keywords():
    db = get_db()
    keywords = set()
    quiz_master_data = db.query(QuizMaster).all()
    for qm in quiz_master_data:
        if qm.keyword1:
            keywords.add(qm.keyword1)
        if qm.keyword2:
            keywords.add(qm.keyword2)
        if qm.keyword3:
            keywords.add(qm.keyword3)
    sorted_keywords = sorted(keywords)
    return jsonify(sorted_keywords)

def update_quiz_master():
    data = request.json
    db = get_db()
    quiz_master = db.query(QuizMaster).filter_by(id=data['id']).first()
    if quiz_master:
        quiz_master.title = data['title']
        quiz_master.full_audio_name = data['full_audio_name']
        quiz_master.intro_audio_name = data['intro_audio_name']
        quiz_master.keyword1 = data['keyword1']
        quiz_master.keyword2 = data['keyword2']
        quiz_master.keyword3 = data['keyword3']
        db.commit()
    return jsonify({'message': '更新が完了しました'})

def add_quiz_master():
    data = request.json
    db = get_db()
    new_quiz_master = QuizMaster(
        title=data['title'],
        full_audio_name=data['full_audio_name'],
        intro_audio_name=data['intro_audio_name'],
        keyword1=data['keyword1'],
        keyword2=data['keyword2'],
        keyword3=data['keyword3']
    )
    db.add(new_quiz_master)
    db.commit()
    return jsonify({'message': '追加が完了しました'})

def delete_quiz_master():
    data = request.json
    db = get_db()
    db.query(QuizMaster).filter_by(id=data['id']).delete()
    db.commit()
    return jsonify({'message': '削除が完了しました'})

def draw_random_quiz():
    data = request.json
    keyword = data.get('keyword')
    selected_quiz = random_quiz(keyword)
    
    if not selected_quiz:
        return jsonify({'error': '利用可能なクイズがありません'})
    
    result = {
        'id': selected_quiz.id,
        'title': selected_quiz.title,
        'full_audio_name': selected_quiz.full_audio_name,
        'intro_audio_name': selected_quiz.intro_audio_name,
        'keyword1': selected_quiz.keyword1,
        'keyword2': selected_quiz.keyword2,
        'keyword3': selected_quiz.keyword3
    }
    
    return jsonify(result)