# routes/upload.py

from fastapi import APIRouter, Request, UploadFile, File, HTTPException
from fastapi.responses import HTMLResponse
from pathlib import Path
import api_client
import config

router = APIRouter()


def _render(request: Request, template: str, **kwargs) -> HTMLResponse:
    """Render using JinjaX catalog for all .jinja templates"""
    catalog = request.app.state.catalog
    html_content = catalog.render(template, **kwargs)
    return HTMLResponse(content=html_content)


@router.get("/", response_class=HTMLResponse)
async def index(request: Request):
    return _render(request, "index")


@router.get("/health-check", response_class=HTMLResponse)
async def health_check(request: Request):
    try:
        data = await api_client.check_health()
        return _render(
            request,
            "partials/health_status",
            ok=True,
            entwine_available=data.get("entwine_available", False),
            disk_free_gb=data.get("disk_free_gb", "?"),
        )
    except Exception as e:
        return _render(request, "partials/health_status", ok=False, error=str(e))


@router.post("/upload", response_class=HTMLResponse)
async def upload(request: Request, file: UploadFile = File(...)):
    suffix = Path(file.filename).suffix.lower()
    if suffix not in config.SUPPORTED_EXTENSIONS:
        return _render(
            request,
            "partials/upload_result",
            error=f"Format non supporté : {suffix}. "
                  f"Formats acceptés : {', '.join(config.SUPPORTED_EXTENSIONS)}",
            result=None,
        )
    try:
        data = await api_client.upload_file(file.filename, await file.read())
        return _render(request, "partials/upload_result", result=data, error=None)
    except Exception as e:
        return _render(request, "partials/upload_result", error=str(e), result=None)