#!/usr/bin/env python3
# -*- coding: utf-8 -*-

"""
API依赖注入模块
"""

from typing import Optional
from fastapi import Depends
from core.config import get_config_manager, ConfigManager
from core.ai import AIAgent
from utils.file_io import OutputManager

# 全局依赖
config_manager: Optional[ConfigManager] = None
ai_agent: Optional[AIAgent] = None
output_manager: Optional[OutputManager] = None

def initialize_dependencies():
    """初始化全局依赖"""
    global config_manager, ai_agent, output_manager
    
    # 初始化配置 - 使用服务器模式
    config_manager = get_config_manager()
    config_manager.load_from_directory("config", server_mode=True)
    
    # 初始化输出管理器
    from datetime import datetime
    run_id = f"api_{datetime.now().strftime('%Y%m%d_%H%M%S')}"
    output_manager = OutputManager("result", run_id)
    
    # 初始化AI代理
    from core.config import AIModelConfig
    ai_config = config_manager.get_config('ai_model', AIModelConfig)
    ai_agent = AIAgent(ai_config)

def get_config() -> ConfigManager:
    """获取配置管理器"""
    if config_manager is None:
        raise RuntimeError("配置管理器未初始化")
    return config_manager

def get_ai_agent() -> AIAgent:
    """获取AI代理"""
    if ai_agent is None:
        raise RuntimeError("AI代理未初始化")
    return ai_agent

def get_output_manager() -> OutputManager:
    """获取输出管理器"""
    if output_manager is None:
        raise RuntimeError("输出管理器未初始化")
    return output_manager

def get_tweet_service():
    """获取文字内容服务"""
    from api.services.tweet import TweetService
    return TweetService(get_ai_agent(), get_config(), get_output_manager())