"""
FastAPI 应用主入口
"""
from fastapi import FastAPI
from fastapi.middleware.cors import CORSMiddleware
from app.core.config import settings
from app.api.api_v1.api import api_router

# 创建 FastAPI 应用实例
app = FastAPI(
    title=settings.PROJECT_NAME,
    version=settings.VERSION,
    openapi_url=f"{settings.API_V1_STR}/openapi.json",
)

# 配置 CORS
if settings.BACKEND_CORS_ORIGINS:
    app.add_middleware(
        CORSMiddleware,
        allow_origins=[str(origin) for origin in settings.BACKEND_CORS_ORIGINS],
        allow_credentials=True,
        allow_methods=["*"],
        allow_headers=["*"],
    )

# 注册 API 路由
app.include_router(api_router, prefix=settings.API_V1_STR)


@app.get("/")
def root():
    """根路径"""
    return {
        "message": "欢迎使用个人博客网站 API",
        "version": settings.VERSION,
        "docs": "/docs",
        "api": settings.API_V1_STR
    }


@app.get("/health")
def health_check():
    """健康检查"""
    return {"status": "ok"}