from fastapi import FastAPI
from fastapi.exceptions import RequestValidationError
from fastapi.middleware.cors import CORSMiddleware
from sqlalchemy.exc import IntegrityError

from app.api import auth, mappings, exceptions, exports, reconciliation, tasks, analysis, qa, vouchers
from app.core.config import get_settings
from app.core.error_handlers import (
    generic_exception_handler,
    http_exception_handler,
    integrity_error_handler,
    s2f_exception_handler,
    validation_exception_handler,
)
from app.core.exceptions import S2FException
from app.core.logging import configure_logging

settings = get_settings()
configure_logging(settings.log_level)

app = FastAPI(
    title=settings.app_name,
    version=settings.app_version,
    debug=settings.debug,
)

app.add_middleware(
    CORSMiddleware,
    allow_origins=settings.allowed_origins,
    allow_credentials=True,
    allow_methods=["*"],
    allow_headers=["*"],
)

# 注册异常处理器
app.add_exception_handler(S2FException, s2f_exception_handler)
app.add_exception_handler(RequestValidationError, validation_exception_handler)
app.add_exception_handler(IntegrityError, integrity_error_handler)
app.add_exception_handler(Exception, generic_exception_handler)

# 注册路由
app.include_router(auth.router)
app.include_router(mappings.router)
app.include_router(exceptions.router)
app.include_router(exports.router)
app.include_router(reconciliation.router)
app.include_router(tasks.router)
app.include_router(analysis.router)
app.include_router(qa.router)
app.include_router(vouchers.router)


@app.get("/api/health", tags=["health"])
async def health_check() -> dict[str, str]:
    return {
        "status": "ok",
        "service": settings.app_name,
        "version": settings.app_version,
    }