package repo

import (
	"strconv"

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

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

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

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

	parsedGame := model.Game{
		ID:           model.GameID(strconv.Itoa(id)),
		Added:        game.Added,
		Author:       game.Author,
		Team0Player0: game.Team0Player0,
		Team0Player1: game.Team0Player1,
		Team1Player0: game.Team1Player0,
		Team1Player1: game.Team1Player1,
		Score:        game.Score,
		Overtime:     game.Overtime,
	}

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

	return model.GameID(strconv.Itoa(id)), nil
}

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

	if err != nil {
		return nil, err
	}

	return &r.games[i], nil
}

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

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

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

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

	return id, nil
}

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

	return nil, nil
}

func (r *InMemoryRepo) GetAllPlayers() ([]model.Player,error){
  return r.players, nil
}

func (r *InMemoryRepo) AddGameResult(result model.GameResult) (model.GameResultID, error) {
	id := model.GameResultID(strconv.Itoa(len(r.results)))

	result.ID = id

	r.results = append(r.results, result)

	return id, nil
}

func (r *InMemoryRepo) GetGameResult(id model.GameResultID) (*model.GameResult, error) {
	i, err := strconv.Atoi(string(id))

	if err != nil {
		return nil, nil
	}

	return &r.results[i], nil
}