package handlers

import (
	"context"
	"net/http"

	"git.haelnorr.com/h/golib/hws"
	"github.com/pkg/errors"
	"github.com/uptrace/bun"

	"git.haelnorr.com/h/oslstats/internal/db"
	"git.haelnorr.com/h/oslstats/internal/view/leaguesview"
)

func LeaguesList(
	s *hws.Server,
	conn *db.DB,
) http.Handler {
	return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
		var leagues []*db.League
		if ok := conn.WithReadTx(s, w, r, func(ctx context.Context, tx bun.Tx) (bool, error) {
			var err error
			leagues, err = db.GetLeagues(ctx, tx)
			if err != nil {
				return false, errors.Wrap(err, "db.GetLeagues")
			}
			return true, nil
		}); !ok {
			return
		}

		renderSafely(leaguesview.ListPage(leagues), s, r, w)
	})
}