package handlers

import (
	"context"
	"fmt"
	"net/http"

	"git.haelnorr.com/h/golib/hws"
	"git.haelnorr.com/h/oslstats/internal/db"
	"git.haelnorr.com/h/oslstats/internal/notify"
	"git.haelnorr.com/h/oslstats/internal/validation"
	"github.com/pkg/errors"
	"github.com/uptrace/bun"
)

func SeasonLeagueAddTeam(
	s *hws.Server,
	conn *db.DB,
) http.Handler {
	return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
		seasonStr := r.PathValue("season_short_name")
		leagueStr := r.PathValue("league_short_name")

		getter, ok := validation.ParseFormOrNotify(s, w, r)
		if !ok {
			return
		}
		teamID := getter.Int("team_id").Required().Value
		if ok := getter.ValidateAndNotify(s, w, r); !ok {
			return
		}

		var season *db.Season
		var league *db.League
		var team *db.Team

		if ok := conn.WithNotifyTx(s, w, r, func(ctx context.Context, tx bun.Tx) (bool, error) {
			var err error
			team, season, league, err = db.NewTeamParticipation(ctx, tx, seasonStr, leagueStr, teamID, db.NewAudit(r, nil))
			if err != nil {
				return false, errors.Wrap(err, "db.NewTeamParticipation")
			}
			return true, nil
		}); !ok {
			return
		}

		// Redirect to refresh the page
		w.Header().Set("HX-Redirect", fmt.Sprintf("/seasons/%s/leagues/%s/teams", season.ShortName, league.ShortName))
		w.WriteHeader(http.StatusOK)
		notify.Success(s, w, r, "Team Added", fmt.Sprintf(
			"Successfully added '%s' to the league.",
			team.Name,
		), nil)
	})
}