package repo

import (
	"strconv"

	model "git.kapelle.org/niklas/beerpong-elo/internal/model"
)

type InMemoryRepo struct {
	games   []model.Game
	players []model.Player
}

func NewInMemoryRepo() Repo {
	return &InMemoryRepo{
		games:   []model.Game{},
		players: []model.Player{},
	}
}

func (r *InMemoryRepo) AddGame(game model.InputGame) model.GameID {
	id := len(r.games)

	authID := r.GetOrCreatePlayerID(game.Author)
	t0p0ID := r.GetOrCreatePlayerID(game.Team0Player0)
	t0p1ID := r.GetOrCreatePlayerID(game.Team0Player1)
	t1p0ID := r.GetOrCreatePlayerID(game.Team1Player0)
	t1p1ID := r.GetOrCreatePlayerID(game.Team1Player1)

	parsedGame := model.Game{
		ID:           model.GameID(rune(id)),
		Added:        game.Added,
		Author:       authID,
		Team0Player0: t0p0ID,
		Team0Player1: t0p1ID,
		Team1Player0: t1p1ID,
		Team1Player1: t1p0ID,
		Score:        game.Score,
		Overtime:     game.Overtime,
	}

	r.games = append(r.games, parsedGame)

	return model.GameID((rune(id)))
}

func (r *InMemoryRepo) GetGame(id model.GameID) model.Game {
	i, err := strconv.Atoi(string(id))

	if err != nil {
		panic(err)
	}

	return r.games[i]
}

func (r *InMemoryRepo) GetAllGames() []model.Game {
	return r.games
}

func (r *InMemoryRepo) GetOrCreatePlayerID(name string) model.PlayerID {
	id := model.PlayerID(name)

	for _, player := range r.players {
		if player.ID == id {
			return id
		}
	}

	// No player found. Create one.
	r.players = append(r.players, model.NewPlayer(id))

	return id
}

func (r *InMemoryRepo) GetPlayer(id model.PlayerID) *model.Player {
	for _, player := range r.players {
		if player.ID == id {
			return &player
		}
	}

	return nil
}