import logging
import os
from fastapi.responses import JSONResponse
from fastapi import FastAPI, Depends, Request, status
from fastapi.exceptions import RequestValidationError
from fastapi.encoders import jsonable_encoder
from starlette.exceptions import HTTPException as StarletteHTTPException
from mangum import Mangum
from backend.app.portfolio import router as portfolio_router
from backend.app.whlg import router as whlg_router
from backend.app.plan import router as plan_router
from backend.app.tasks import router as tasks_router
from backend.app.bulk_uploads import router as bulk_uploads_router
from backend.app.dependencies import validate_api_key
from backend.app.config import get_settings

logger = logging.getLogger("uvicorn.error")
logging.basicConfig(level=logging.INFO)

if get_settings().ENVIRONMENT == "local":
    app = FastAPI()
else:
    app = FastAPI(dependencies=[Depends(validate_api_key)])


@app.exception_handler(RequestValidationError)
async def validation_exception_handler(request: Request, exc: RequestValidationError):
    logger.error(f"422 Validation Error at {request.url}")
    logger.error(f"Body: {exc.body}")
    logger.error(f"Validation Errors: {exc.errors()}")
    return JSONResponse(
        status_code=status.HTTP_422_UNPROCESSABLE_ENTITY,
        content=jsonable_encoder({"detail": exc.errors(), "body": exc.body}),
    )


@app.exception_handler(StarletteHTTPException)
async def http_exception_handler(request: Request, exc: StarletteHTTPException):
    logger.warning(f"{exc.status_code} Error at {request.url} - Detail: {exc.detail}")
    return JSONResponse(
        status_code=exc.status_code,
        content={"detail": exc.detail},
    )


@app.middleware("http")
async def log_requests(request: Request, call_next):
    logger.info(f"Incoming request: {request.method} {request.url}")
    response = await call_next(request)
    logger.info(f"Response status: {response.status_code}")
    return response


@app.get("/health")
async def health():
    return {"status": "ok", "sha": os.getenv("GITHUB_SHA", "unknown")}


app.include_router(tasks_router.router, prefix="/v1")
app.include_router(portfolio_router.router, prefix="/v1")
app.include_router(plan_router.router, prefix="/v1")
app.include_router(whlg_router.router, prefix="/v1")
app.include_router(bulk_uploads_router.router, prefix="/v1")

if get_settings().ENVIRONMENT == "local":
    from backend.app.local import router as local_router

    app.include_router(local_router.router)

handler = Mangum(app)