import * as fs from "fs";
import { join as pathJoin, relative as pathRelative } from "path";
import { crawl } from "./tools/crawl";
import { downloadAndUnzip } from "./tools/downloadAndUnzip";
import { builtinThemesUrl } from "./install-builtin-keycloak-themes";
import { getProjectRoot } from "./tools/getProjectRoot";
import * as child_process from "child_process";

//@ts-ignore
const propertiesParser = require("properties-parser");

const tmpDirPath = pathJoin(getProjectRoot(), "tmp_xImOef9dOd44");

child_process.execSync(`rm -rf ${tmpDirPath}`);

downloadAndUnzip({
    "destDirPath": tmpDirPath,
    "url": builtinThemesUrl
});

type Dictionary = { [idiomId: string]: string };

const record: { [typeOfPage: string]: { [language: string]: Dictionary } } = {};

process.chdir(pathJoin(tmpDirPath, "base"));

crawl(".").forEach(filePath => {

    const match = filePath.match(/^([^/]+)\/messages\/messages_([^.]+)\.properties$/);

    if (match === null) {
        return;
    }

    const [, typeOfPage, language] = match;

    (record[typeOfPage] ??= {})[language.replace(/_/g,"-")] =
        propertiesParser.parse(
            fs.readFileSync(filePath)
                .toString("utf8")
        );

});

child_process.execSync(`rm -r ${tmpDirPath}`);

const targetDirPath = pathJoin(getProjectRoot(), "src", "lib", "i18n", "generated_messages");

fs.mkdirSync(targetDirPath, { "recursive": true });

Object.keys(record).forEach(pageType => {

    const filePath = pathJoin(targetDirPath, `${pageType}.ts`);

    fs.writeFileSync(
        filePath,
        Buffer.from(
            [
                `//This code was automatically generated by running ${pathRelative(getProjectRoot(), __filename)}`,
                '//PLEASE DO NOT EDIT MANUALLY',
                '',
                '/* spell-checker: disable */',
                `export const messages= ${JSON.stringify(record[pageType], null, 2)} as const;`,
                '/* spell-checker: enable */'
            ].join("\n"), "utf8")
    );

    console.log(`${filePath} wrote`);


});