package catalog

import "slices"

// Game describes an installed, internally published version. The registry
// never imports manifests from a player request or the legacy application.
type Game struct {
	ID      string
	Version string
	Title   string
	Summary string
	// DefaultLocale labels Title and Summary; Translations holds additional copies.
	DefaultLocale string
	Translations  map[string]Translation
	MinPlayers    int
	MaxPlayers    int
	Published     bool
}

type Translation struct {
	Title   string
	Summary string
}

type Registry struct {
	games []Game
}

func NewRegistry(games []Game) *Registry {
	copyGames := slices.Clone(games)
	for i := range copyGames {
		copyGames[i].Translations = make(map[string]Translation, len(games[i].Translations))
		for locale, copy := range games[i].Translations {
			copyGames[i].Translations[locale] = copy
		}
	}
	return &Registry{games: copyGames}
}

func (g Game) Text(locale string) (Translation, string) {
	defaultLocale := g.DefaultLocale
	if defaultLocale == "" {
		defaultLocale = "es"
	}
	if locale == defaultLocale {
		return Translation{Title: g.Title, Summary: g.Summary}, defaultLocale
	}
	if translation, ok := g.Translations[locale]; ok && translation.Title != "" && translation.Summary != "" {
		return translation, locale
	}
	return Translation{Title: g.Title, Summary: g.Summary}, defaultLocale
}

func (r *Registry) Published() []Game {
	result := make([]Game, 0)
	for _, game := range r.games {
		if game.Published {
			result = append(result, game)
		}
	}
	slices.SortFunc(result, func(a, b Game) int {
		if a.Title < b.Title {
			return -1
		}
		if a.Title > b.Title {
			return 1
		}
		if a.ID < b.ID {
			return -1
		}
		if a.ID > b.ID {
			return 1
		}
		return 0
	})
	return result
}