package middleware

import (
	"strconv"

	"emperror.dev/errors"
	"github.com/gofiber/fiber/v3"
	"lmika.dev/lmika/weiro/models"
	"lmika.dev/lmika/weiro/providers/db"
	"lmika.dev/lmika/weiro/services/sites"
)

func RequiresSite(sites *sites.Service) func(c fiber.Ctx) error {
	return func(c fiber.Ctx) error {
		siteIDStr := c.Params("siteID")
		if siteIDStr == "" {
			return fiber.ErrBadRequest
		}

		siteID, err := strconv.ParseInt(siteIDStr, 10, 64)
		if err != nil {
			return fiber.ErrBadRequest
		}

		site, err := sites.GetSiteByID(c.Context(), siteID)
		if err != nil {
			if errors.Is(err, models.UserRequiredError) {
				return fiber.ErrForbidden
			} else if errors.Is(err, models.PermissionError) || db.ErrorIsNoRows(err) {
				return fiber.ErrNotFound
			} else if errors.Is(err, models.NotFoundError) || db.ErrorIsNoRows(err) {
				return err
			}
		}

		c.Locals("site", site)
		c.SetContext(models.WithSite(c.Context(), site))
		return c.Next()
	}
}