import {SearchablePillsSelector} from "../Input/SearchableMappingsSelector";
import {Store} from "../../Logic/UIEventSource";
import BaseUIElement from "../BaseUIElement";
import * as all_languages from "../../assets/language_translations.json";
import {Translation} from "../i18n/Translation";

export class AllLanguagesSelector extends SearchablePillsSelector <string> {

    constructor(options?: {
                    mode?: "select-many" | "select-one"
                    currentCountry?: Store<string>,
                    supportedLanguages?: Record<string, string> & { _meta?: { countries?: string[] } }
                }) {

        const possibleValues: {
            show: BaseUIElement
            value: string
            mainTerm: Record<string, string>
            searchTerms?: Record<string, string[]>,
            hasPriority?: Store<boolean>
        }[] = []

        const langs = options?.supportedLanguages ?? all_languages["default"] ?? all_languages
        for (const ln in langs) {
            let languageInfo: Record<string, string> & { _meta?: { countries: string[] } } = all_languages[ln]
            const countries = languageInfo._meta?.countries?.map(c => c.toLowerCase())
            languageInfo = {...languageInfo}
            delete languageInfo._meta
            const term = {
                show: new Translation(languageInfo),
                value: ln,
                mainTerm: languageInfo,
                searchTerms: {"*": [ln]},
                hasPriority: countries === undefined ? undefined : options?.currentCountry?.map(country => countries?.indexOf(country.toLowerCase()) >= 0)
            }
            possibleValues.push(term)

        }
        super(possibleValues,
            {
                mode: options?.mode ?? 'select-many'
            });
    }

}