package httpserver

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

	echo "github.com/labstack/echo/v4"
	"github.com/sirupsen/logrus"

	"git.janky.solutions/finn/lockserver/config"
	"git.janky.solutions/finn/lockserver/openapi"
	"git.janky.solutions/finn/lockserver/zwavejs"
)

var server *echo.Echo

type lockserver struct {
	ZWaveJS *zwavejs.Client
}

func ListenAndServe(client *zwavejs.Client) {
	server = echo.New()
	server.HideBanner = true
	server.HidePort = true
	server.HTTPErrorHandler = handleError

	openapi.RegisterHandlersWithBaseURL(server, lockserver{ZWaveJS: client}, "/api")

	err := server.Start(config.C.HTTPBind)
	if err != http.ErrServerClosed {
		logrus.WithError(err).Fatal("error starting http server")
	}
}

func handleError(err error, c echo.Context) {
	if errors.Is(err, sql.ErrNoRows) {
		_ = c.JSON(http.StatusNotFound, map[string]string{"error": "not found"})
		return
	}

	logrus.WithError(err).Error("error handling request")
	_ = c.JSON(http.StatusInternalServerError, map[string]string{"error": "internal server error"})
}

func Shutdown(ctx context.Context) error {
	if server == nil {
		return nil
	}

	return server.Shutdown(ctx)
}