#!/usr/bin/env python3
"""
Класс для работы с настройками пользователей в БД
"""

import psycopg2
from psycopg2.extras import RealDictCursor
from typing import Dict, List, Optional
import json

class UserSettingsManager:
    """Менеджер настроек пользователей"""
    
    def __init__(self):
        self.db_config = {
            'host': '147.45.189.234',
            'port': 5432,
            'database': 'default_db',
            'user': 'gen_user',
            'password': '2~~9_^kVsU?2\\S'
        }
    
    def get_connection(self):
        """Получить подключение к БД"""
        return psycopg2.connect(**self.db_config, cursor_factory=RealDictCursor)
    
    def get_user_setting(self, user_id: str, setting_key: str, default_value: str = None) -> str:
        """Получить настройку пользователя"""
        try:
            conn = self.get_connection()
            cur = conn.cursor()
            
            cur.execute("""
                SELECT setting_value 
                FROM user_settings 
                WHERE user_id = %s AND setting_key = %s
            """, (user_id, setting_key))
            
            result = cur.fetchone()
            cur.close()
            conn.close()
            
            return result['setting_value'] if result else default_value
            
        except Exception as e:
            print(f"Ошибка получения настройки: {e}")
            return default_value
    
    def set_user_setting(self, user_id: str, setting_key: str, setting_value: str) -> bool:
        """Установить настройку пользователя"""
        try:
            conn = self.get_connection()
            cur = conn.cursor()
            
            cur.execute("""
                INSERT INTO user_settings (user_id, setting_key, setting_value, updated_at)
                VALUES (%s, %s, %s, CURRENT_TIMESTAMP)
                ON CONFLICT (user_id, setting_key) 
                DO UPDATE SET 
                    setting_value = EXCLUDED.setting_value,
                    updated_at = CURRENT_TIMESTAMP
            """, (user_id, setting_key, setting_value))
            
            conn.commit()
            cur.close()
            conn.close()
            
            return True
            
        except Exception as e:
            print(f"Ошибка сохранения настройки: {e}")
            return False
    
    def get_user_llm_settings(self, user_id: str) -> Dict[str, str]:
        """Получить все LLM настройки пользователя"""
        settings = {}
        
        # Получаем основные настройки
        settings['provider'] = self.get_user_setting(user_id, 'llm_provider', 'openai')
        settings['model'] = self.get_user_setting(user_id, 'llm_model', 'gpt-4o-mini')
        settings['temperature'] = self.get_user_setting(user_id, 'llm_temperature', '0.3')
        settings['max_tokens'] = self.get_user_setting(user_id, 'llm_max_tokens', '800')
        
        return settings
    
    def set_user_llm_settings(self, user_id: str, provider: str, model: str, 
                             temperature: str = '0.3', max_tokens: str = '800') -> bool:
        """Сохранить LLM настройки пользователя"""
        try:
            conn = self.get_connection()
            cur = conn.cursor()
            
            settings = {
                'llm_provider': provider,
                'llm_model': model,
                'llm_temperature': temperature,
                'llm_max_tokens': max_tokens
            }
            
            for key, value in settings.items():
                cur.execute("""
                    INSERT INTO user_settings (user_id, setting_key, setting_value, updated_at)
                    VALUES (%s, %s, %s, CURRENT_TIMESTAMP)
                    ON CONFLICT (user_id, setting_key) 
                    DO UPDATE SET 
                        setting_value = EXCLUDED.setting_value,
                        updated_at = CURRENT_TIMESTAMP
                """, (user_id, key, value))
            
            conn.commit()
            cur.close()
            conn.close()
            
            return True
            
        except Exception as e:
            print(f"Ошибка сохранения LLM настроек: {e}")
            return False
    
    def get_available_models(self, provider: str = None) -> List[Dict]:
        """Получить доступные модели"""
        try:
            conn = self.get_connection()
            cur = conn.cursor()
            
            if provider:
                cur.execute("""
                    SELECT provider, model_id, model_name, description, 
                           context_length, pricing_input, pricing_output
                    FROM llm_models 
                    WHERE provider = %s AND is_active = true
                    ORDER BY model_name
                """, (provider,))
            else:
                cur.execute("""
                    SELECT provider, model_id, model_name, description, 
                           context_length, pricing_input, pricing_output
                    FROM llm_models 
                    WHERE is_active = true
                    ORDER BY provider, model_name
                """)
            
            models = cur.fetchall()
            cur.close()
            conn.close()
            
            return [dict(model) for model in models]
            
        except Exception as e:
            print(f"Ошибка получения моделей: {e}")
            return []
    
    def get_providers(self) -> List[Dict]:
        """Получить список провайдеров с количеством моделей"""
        try:
            conn = self.get_connection()
            cur = conn.cursor()
            
            cur.execute("""
                SELECT provider, COUNT(*) as model_count
                FROM llm_models 
                WHERE is_active = true
                GROUP BY provider
                ORDER BY provider
            """)
            
            providers = cur.fetchall()
            cur.close()
            conn.close()
            
            return [dict(provider) for provider in providers]
            
        except Exception as e:
            print(f"Ошибка получения провайдеров: {e}")
            return []


# Глобальный экземпляр
user_settings_manager = UserSettingsManager()


if __name__ == "__main__":
    print("=" * 70)
    print("🧪 ТЕСТ МЕНЕДЖЕРА НАСТРОЕК ПОЛЬЗОВАТЕЛЕЙ")
    print("=" * 70)
    
    # Тест получения провайдеров
    print("📊 Провайдеры:")
    providers = user_settings_manager.get_providers()
    for provider in providers:
        print(f"  {provider['provider']}: {provider['model_count']} моделей")
    
    # Тест получения моделей OpenAI
    print(f"\n🤖 Модели OpenAI:")
    models = user_settings_manager.get_available_models('openai')
    for model in models[:5]:  # Показываем первые 5
        print(f"  {model['model_id']}: {model['model_name']}")
    
    # Тест настроек пользователя
    test_user = "user_test_123"
    print(f"\n👤 Тест настроек пользователя {test_user}:")
    
    # Сохраняем настройки
    success = user_settings_manager.set_user_llm_settings(
        test_user, 'openrouter', 'anthropic/claude-3-haiku', '0.5', '1000'
    )
    print(f"✅ Сохранение настроек: {'Успешно' if success else 'Ошибка'}")
    
    # Получаем настройки
    settings = user_settings_manager.get_user_llm_settings(test_user)
    print(f"📋 Настройки: {settings}")
    
    print("=" * 70)