"""Routes — tableau de bord principal."""
from fastapi import APIRouter, Depends, Request
from fastapi.responses import HTMLResponse
from app.auth import require_auth
from app.baserow import list_rows
from app.templates import templates
from app.config import TABLE_VEHICULES, TABLE_APPROVISIONNEMENTS, TABLE_ANOMALIES

router = APIRouter()


@router.get("/", response_class=HTMLResponse)
async def dashboard(request: Request, user=Depends(require_auth)):
    vehicules = await list_rows(TABLE_VEHICULES)
    appros = await list_rows(TABLE_APPROVISIONNEMENTS, size=50)
    anomalies = await list_rows(TABLE_ANOMALIES, size=20)

    # Stats globales
    total_appros = len(appros)
    total_anomalies = len([a for a in anomalies if not a.get("تمت_المعالجة")])
    total_vehicules = len(vehicules)

    # Consommation moyenne par véhicule
    stats_vehicules = []
    for v in vehicules:
        matricule = v.get("رقم_الماتريكول", "")
        appros_v = [a for a in appros if a.get("رقم_الماتريكول") == matricule]
        conso_values = [a.get("الاستهلاك_100كم") for a in appros_v if a.get("الاستهلاك_100كم")]
        conso_moy = round(sum(conso_values) / len(conso_values), 2) if conso_values else 0
        stats_vehicules.append({
            "matricule": matricule,
            "type": v.get("النوع", ""),
            "nb_appros": len(appros_v),
            "conso_moyenne": conso_moy,
            "nb_anomalies": len([a for a in anomalies if a.get("رقم_الماتريكول") == matricule and not a.get("تمت_المعالجة")]),
        })

    return templates.TemplateResponse("dashboard.html", {
        "request": request,
        "total_v": total_vehicules,
        "total_appro": total_appros,
        "total_anomalies": total_anomalies,
        "stats_vehicules": stats_vehicules,
    })