import Toast from "./Toast";

export default class AppState {
    /** Json data as exported from zip and compliant with schemas */
    private jsonData: TypeApp;

    /** Current App locale */
    private locale: string;
    /** Fallback App locale */
    private fallbackLocale: string;

    constructor(jsonData: TypeApp, locale: string, fallbackLocale: string) {
        this.jsonData = jsonData;
        this.locale = locale;
        this.fallbackLocale = fallbackLocale;
    }

    public settings(): TypeSettings {
        return this.jsonData.settings;
    }

    public switchLocale(locale: string): void {
        this.locale = locale;
    }

    public geti18N() {
        return {
            locale: this.locale,
            fallbackLocale: this.fallbackLocale,
        };
    }

    public getFallbackLocale(): string {
        return this.fallbackLocale;
    }

    // * --- BRANDS

    public brands(): Array<TypeBrand> {
        return this.jsonData.items;
    }

    public brand(slug:string): TypeBrand|undefined {
        return this.jsonData.items.find(brand => brand.slug[this.locale] === slug);
    }

    public brandFromRange(range:TypeRange): TypeBrand {
        const brand = this.jsonData.items.find(brand => brand.id === range.brand_id);
        if (!brand) {
            Toast.toast("Une erreur est survenue");
            throw new Error(`Could not find brand with id ${range.brand_id}`);
        }
        return brand;
    }

    // * --- END BRANDS

    // * --- RANGES

    public ranges(brand: TypeBrand | null = null): Array<TypeRange> {
        const ranges: Array<TypeRange> = [];
        this.jsonData.items.map((brandItem) => {
            if (brand === null || brand?.id === brandItem.id) {
                ranges.push(...brandItem.ranges);
                return brandItem;
            }
            return brandItem;
        });
        return ranges.sort((rangeA, rangeB) => rangeA.order - rangeB.order);
    }

    public range(slug:string): TypeRange|undefined {
        return this.ranges().find(range => range.slug[this.locale] === slug);
    }

    // * --- END RANGES

    public font(fontId: number): TypeFont|undefined {
        return this.jsonData.fonts.find(font=> font.id === fontId);
    }
}