"""
Main Web Integration - Integrates all routers and modules
集合router并开启主服务
"""

import asyncio
from contextlib import asynccontextmanager

from fastapi import FastAPI, Response
from fastapi.middleware.cors import CORSMiddleware
from fastapi.staticfiles import StaticFiles

from config import get_server_host, get_server_port
from log import log

# Import managers and utilities
from src.credential_manager import CredentialManager

# Import all routers
from src.router.antigravity.openai import router as antigravity_openai_router
from src.router.antigravity.gemini import router as antigravity_gemini_router
from src.router.antigravity.anthropic import router as antigravity_anthropic_router
from src.router.antigravity.model_list import router as antigravity_model_list_router
from src.router.geminicli.openai import router as openai_router
from src.router.geminicli.gemini import router as gemini_router
from src.router.geminicli.anthropic import router as geminicli_anthropic_router
from src.router.geminicli.model_list import router as geminicli_model_list_router
from src.task_manager import shutdown_all_tasks
from src.web_routes import router as web_router

# 全局凭证管理器
global_credential_manager = None


@asynccontextmanager
async def lifespan(app: FastAPI):
    """应用生命周期管理"""
    global global_credential_manager

    log.info("启动 GCLI2API 主服务")

    # 初始化配置缓存（优先执行）
    try:
        import config
        await config.init_config()
        log.info("配置缓存初始化成功")
    except Exception as e:
        log.error(f"配置缓存初始化失败: {e}")

    # 初始化全局凭证管理器
    try:
        global_credential_manager = CredentialManager()
        await global_credential_manager.initialize()
        log.info("凭证管理器初始化成功")
    except Exception as e:
        log.error(f"凭证管理器初始化失败: {e}")
        global_credential_manager = None

    # OAuth回调服务器将在需要时按需启动

    yield

    # 清理资源
    log.info("开始关闭 GCLI2API 主服务")

    # 首先关闭所有异步任务
    try:
        await shutdown_all_tasks(timeout=10.0)
        log.info("所有异步任务已关闭")
    except Exception as e:
        log.error(f"关闭异步任务时出错: {e}")

    # 然后关闭凭证管理器
    if global_credential_manager:
        try:
            await global_credential_manager.close()
            log.info("凭证管理器已关闭")
        except Exception as e:
            log.error(f"关闭凭证管理器时出错: {e}")

    log.info("GCLI2API 主服务已停止")


# 创建FastAPI应用
app = FastAPI(
    title="GCLI2API",
    description="Gemini API proxy with OpenAI compatibility",
    version="2.0.0",
    lifespan=lifespan,
)

# CORS中间件
app.add_middleware(
    CORSMiddleware,
    allow_origins=["*"],
    allow_credentials=True,
    allow_methods=["*"],
    allow_headers=["*"],
)

# 挂载路由器
# OpenAI兼容路由 - 处理OpenAI格式请求
app.include_router(openai_router, prefix="", tags=["OpenAI Compatible API"])

# Gemini原生路由 - 处理Gemini格式请求
app.include_router(gemini_router, prefix="", tags=["Gemini Native API"])

# Geminicli模型列表路由 - 处理Gemini格式的模型列表请求
app.include_router(geminicli_model_list_router, prefix="", tags=["Geminicli Model List"])

# Antigravity路由 - 处理OpenAI格式请求并转换为Antigravity API
app.include_router(antigravity_openai_router, prefix="", tags=["Antigravity OpenAI API"])

# Antigravity路由 - 处理Gemini格式请求并转换为Antigravity API
app.include_router(antigravity_gemini_router, prefix="", tags=["Antigravity Gemini API"])

# Antigravity模型列表路由 - 处理Gemini格式的模型列表请求
app.include_router(antigravity_model_list_router, prefix="", tags=["Antigravity Model List"])

# Antigravity Anthropic Messages 路由 - Anthropic Messages 格式兼容
app.include_router(antigravity_anthropic_router, prefix="", tags=["Antigravity Anthropic Messages"])

# Geminicli Anthropic Messages 路由 - Anthropic Messages 格式兼容 (Geminicli)
app.include_router(geminicli_anthropic_router, prefix="", tags=["Geminicli Anthropic Messages"])

# Web路由 - 包含认证、凭证管理和控制面板功能
app.include_router(web_router, prefix="", tags=["Web Interface"])

# 静态文件路由 - 服务docs目录下的文件（如捐赠图片）
app.mount("/docs", StaticFiles(directory="docs"), name="docs")

# 静态文件路由 - 服务front目录下的文件（HTML、JS、CSS等）
app.mount("/front", StaticFiles(directory="front"), name="front")


# 保活接口（仅响应 HEAD）
@app.head("/keepalive")
async def keepalive() -> Response:
    return Response(status_code=200)


def get_credential_manager():
    """获取全局凭证管理器实例"""
    return global_credential_manager


# 导出给其他模块使用
__all__ = ["app", "get_credential_manager"]


async def main():
    """异步主启动函数"""
    from hypercorn.asyncio import serve
    from hypercorn.config import Config

    # 日志系统现在直接使用环境变量，无需初始化
    # 从环境变量或配置获取端口和主机
    port = await get_server_port()
    host = await get_server_host()

    log.info("=" * 60)
    log.info("启动 GCLI2API")
    log.info("=" * 60)
    log.info(f"控制面板: http://127.0.0.1:{port}")
    log.info("=" * 60)
    log.info("API端点:")
    log.info(f"   Geminicli (OpenAI格式): http://127.0.0.1:{port}/v1")
    log.info(f"   Geminicli (Claude格式): http://127.0.0.1:{port}/v1")
    log.info(f"   Geminicli (Gemini格式): http://127.0.0.1:{port}")
    
    log.info(f"   Antigravity (OpenAI格式): http://127.0.0.1:{port}/antigravity/v1")
    log.info(f"   Antigravity (Claude格式): http://127.0.0.1:{port}/antigravity/v1")
    log.info(f"   Antigravity (Gemini格式): http://127.0.0.1:{port}/antigravity")

    # 配置hypercorn
    config = Config()
    config.bind = [f"{host}:{port}"]
    config.accesslog = "-"
    config.errorlog = "-"
    config.loglevel = "INFO"

    # 设置连接超时
    config.keep_alive_timeout = 600  # 10分钟
    config.read_timeout = 600  # 10分钟读取超时

    await serve(app, config)


if __name__ == "__main__":
    asyncio.run(main())