package handler

import (
	"context"
	"net/http"
	"projectreshoot/internal/models"
	"time"

	"git.haelnorr.com/h/golib/hws"
	"git.haelnorr.com/h/golib/hwsauth"
	"github.com/uptrace/bun"
)

// Handle a logout request
func Logout(
	server *hws.Server,
	auth *hwsauth.Authenticator[*models.UserBun, bun.Tx],
	db *bun.DB,
) http.Handler {
	return http.HandlerFunc(
		func(w http.ResponseWriter, r *http.Request) {
			ctx, cancel := context.WithTimeout(r.Context(), 15*time.Second)
			defer cancel()

			tx, err := db.BeginTx(ctx, nil)
			if err != nil {
				err := server.ThrowError(w, r, hws.HWSError{
					StatusCode: http.StatusInternalServerError,
					Message:    "Logout failed",
					Error:      err,
				})
				if err != nil {
					server.ThrowFatal(w, err)
				}
				return
			}
			defer tx.Rollback()

			err = auth.Logout(tx, w, r)
			if err != nil {
				err := server.ThrowError(w, r, hws.HWSError{
					StatusCode: http.StatusInternalServerError,
					Message:    "Logout failed",
					Error:      err,
				})
				if err != nil {
					server.ThrowFatal(w, err)
				}
				return
			}
			tx.Commit()
			w.Header().Set("HX-Redirect", "/login")
		},
	)
}