package handlers

import (
	"context"
	"net/http"
	"time"

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

func SeasonPage(
	s *hws.Server,
	conn *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 := conn.BeginTx(ctx, nil)
		if err != nil {
			throwInternalServiceError(s, w, r, "Database error", errors.Wrap(err, "conn.BeginTx"))
			return
		}
		defer tx.Rollback()
		seasonStr := r.PathValue("season_short_name")
		season, err := db.GetSeason(ctx, tx, seasonStr)
		if err != nil {
			throwInternalServiceError(s, w, r, "Database error", errors.Wrap(err, "db.GetSeason"))
			return
		}
		tx.Commit()
		if season == nil {
			throwNotFound(s, w, r, r.URL.Path)
			return
		}
		renderSafely(page.SeasonPage(season), s, r, w)
	})
}