"""
FastAPI 主应用
"""
from fastapi import FastAPI
from fastapi.middleware.cors import CORSMiddleware
from app.config import settings
from app.api import router


# 创建 FastAPI 应用实例
app = FastAPI(
    title=settings.app_name,
    version=settings.app_version,
    description="一个基于 FastAPI 的 AI 调用示例工程，支持对话和工具调用"
)

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

# 注册路由
app.include_router(router, prefix="/api/v1", tags=["AI Chat"])


@app.get("/")
async def root():
    """根路径"""
    return {
        "message": f"欢迎使用 {settings.app_name}",
        "version": settings.app_version,
        "docs": "/docs",
        "redoc": "/redoc"
    }


@app.get("/health")
async def health():
    """健康检查接口"""
    return {"status": "healthy"}


if __name__ == "__main__":
    import uvicorn
    uvicorn.run(
        "main:app",
        host=settings.host,
        port=settings.port,
        reload=settings.debug
    )