package db

import (
	"context"

	"github.com/pkg/errors"
	"github.com/uptrace/bun"
)

type League struct {
	bun.BaseModel `bun:"table:leagues,alias:l"`

	ID          int    `bun:"id,pk,autoincrement"`
	Name        string `bun:"name,unique,notnull"`
	ShortName   string `bun:"short_name,unique,notnull"`
	Description string `bun:"description"`

	Seasons []Season `bun:"m2m:season_leagues,join:League=Season"`
}

type SeasonLeague struct {
	SeasonID int     `bun:",pk"`
	Season   *Season `bun:"rel:belongs-to,join:season_id=id"`
	LeagueID int     `bun:",pk"`
	League   *League `bun:"rel:belongs-to,join:league_id=id"`
}

func GetLeagues(ctx context.Context, tx bun.Tx) ([]*League, error) {
	return GetList[League](tx).Relation("Seasons").GetAll(ctx)
}

func GetLeague(ctx context.Context, tx bun.Tx, shortname string) (*League, error) {
	if shortname == "" {
		return nil, errors.New("shortname cannot be empty")
	}
	return GetByField[League](tx, "short_name", shortname).Relation("Seasons").Get(ctx)
}