from __future__ import annotations

from pathlib import Path

from fastapi import FastAPI, Request
from fastapi.responses import JSONResponse
from fastapi.staticfiles import StaticFiles

from backend.app.api.errors import AppError
from backend.app.api.routes_bookmarks import router as bookmarks_router
from backend.app.api.routes_browse import router as browse_router
from backend.app.api.routes_copy import router as copy_router
from backend.app.api.routes_files import router as files_router
from backend.app.api.routes_move import router as move_router
from backend.app.api.routes_tasks import router as tasks_router
from backend.app.logging import configure_logging

configure_logging()

BASE_DIR = Path(__file__).resolve().parents[3]
UI_DIR = Path(__file__).resolve().parents[2] / "html"
if not UI_DIR.exists():
    raise RuntimeError(f"UI directory does not exist: {UI_DIR}")

app = FastAPI(title="WebManager MVP Backend")
app.mount("/ui", StaticFiles(directory=str(UI_DIR), html=True), name="ui")
app.include_router(browse_router, prefix="/api")
app.include_router(files_router, prefix="/api")
app.include_router(copy_router, prefix="/api")
app.include_router(move_router, prefix="/api")
app.include_router(bookmarks_router, prefix="/api")
app.include_router(tasks_router, prefix="/api")


@app.exception_handler(AppError)
async def handle_app_error(_: Request, exc: AppError) -> JSONResponse:
    return JSONResponse(
        status_code=exc.status_code,
        content={
            "error": {
                "code": exc.code,
                "message": exc.message,
                "details": exc.details,
            }
        },
    )


@app.get("/")
async def read_root() -> dict[str, str]:
    return {"status": "ok"}