package controller

import (
	"context"
	"errors"
	"net/http"

	"github.com/AFASystems/presence/internal/pkg/api/response"
	"github.com/AFASystems/presence/internal/pkg/service"
	"github.com/gorilla/mux"
	"gorm.io/gorm"
)

func AlertsListController(db *gorm.DB, ctx context.Context) http.HandlerFunc {
	return func(w http.ResponseWriter, r *http.Request) {
		alerts, err := service.GetAllAlerts(db, ctx)
		if err != nil {
			response.InternalError(w, "failed to list alerts", err)
			return
		}
		response.JSON(w, http.StatusOK, alerts)
	}
}

func ListAlertsByTrackerIDController(db *gorm.DB, ctx context.Context) http.HandlerFunc {
	return func(w http.ResponseWriter, r *http.Request) {
		id := mux.Vars(r)["id"]
		alert, err := service.GetAlertById(id, db, ctx)
		if err != nil {
			if errors.Is(err, gorm.ErrRecordNotFound) {
				response.NotFound(w, "alert not found")
				return
			}
			response.InternalError(w, "failed to get alert", err)
			return
		}
		response.JSON(w, http.StatusOK, alert)
	}
}

func AlertDeleteController(db *gorm.DB, ctx context.Context) http.HandlerFunc {
	return func(w http.ResponseWriter, r *http.Request) {
		id := mux.Vars(r)["id"]
		if err := service.DeleteAlertByTrackerID(id, db, ctx); err != nil {
			response.InternalError(w, "failed to delete alert", err)
			return
		}
		response.JSON(w, http.StatusOK, map[string]string{"status": "deleted"})
	}
}