"""
Weibo-HotSign API Service
Main FastAPI application entry point — account management, task config, signin logs.
"""

import logging

from fastapi import FastAPI, Request
from fastapi.exceptions import RequestValidationError
from fastapi.middleware.cors import CORSMiddleware
from starlette.exceptions import HTTPException as StarletteHTTPException

from shared.response import success_response, error_response
from api_service.app.routers import accounts, tasks, signin_logs


# 过滤 /health 的 access log，避免日志刷屏
class _HealthFilter(logging.Filter):
    def filter(self, record: logging.LogRecord) -> bool:
        msg = record.getMessage()
        return "/health" not in msg

logging.getLogger("uvicorn.access").addFilter(_HealthFilter())

app = FastAPI(
    title="Weibo-HotSign API Service",
    version="1.0.0",
    docs_url="/docs",
    redoc_url="/redoc",
)

# CORS
app.add_middleware(
    CORSMiddleware,
    allow_origins=["http://localhost:3000", "http://localhost:80"],
    allow_credentials=True,
    allow_methods=["*"],
    allow_headers=["*"],
)


# ---- Global exception handlers (unified response format) ----

@app.exception_handler(StarletteHTTPException)
async def http_exception_handler(request: Request, exc: StarletteHTTPException):
    return error_response(
        exc.detail,
        f"HTTP_{exc.status_code}",
        status_code=exc.status_code,
    )


@app.exception_handler(RequestValidationError)
async def validation_exception_handler(request: Request, exc: RequestValidationError):
    details = [
        {"field": e["loc"][-1] if e["loc"] else "unknown", "message": e["msg"]}
        for e in exc.errors()
    ]
    return error_response(
        "Validation failed",
        "VALIDATION_ERROR",
        details=details,
        status_code=400,
    )


# ---- Routers ----

app.include_router(accounts.router)
app.include_router(tasks.router)
app.include_router(signin_logs.router)


# ---- Health / root ----

@app.get("/")
async def root():
    return success_response(
        {"service": "Weibo-HotSign API Service", "version": "1.0.0"},
        "Service is running",
    )


@app.get("/health")
async def health_check():
    return success_response({"status": "healthy"})