import "minimal-polyfills/Object.fromEntries";
import * as fs from "fs";
import { join as pathJoin, relative as pathRelative } from "path";
import { crawl } from "./tools/crawl";
import { downloadBuiltinKeycloakTheme } from "./download-builtin-keycloak-theme";
import { getProjectRoot } from "./tools/getProjectRoot";
import { rm_rf, rm_r } from "./tools/rm";
import { keycloakVersions } from "./KeycloakVersion";

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

for (const keycloakVersion of keycloakVersions) {
    console.log({ keycloakVersion });

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

    rm_rf(tmpDirPath);

    downloadBuiltinKeycloakTheme({
        keycloakVersion,
        "destDirPath": tmpDirPath,
    });

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

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

    {
        const baseThemeDirPath = pathJoin(tmpDirPath, "base");

        crawl(baseThemeDirPath).forEach(filePath => {
            const match = filePath.match(
                /^([^/]+)\/messages\/messages_([^.]+)\.properties$/,
            );

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

            const [, typeOfPage, language] = match;

            (record[typeOfPage] ??= {})[language.replace(/_/g, "-")] =
                Object.fromEntries(
                    Object.entries(
                        propertiesParser.parse(
                            fs
                                .readFileSync(
                                    pathJoin(baseThemeDirPath, filePath),
                                )
                                .toString("utf8"),
                        ),
                    ).map(([key, value]: any) => [
                        key,
                        value.replace(/''/g, "'"),
                    ]),
                );
        });
    }

    rm_r(tmpDirPath);

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

    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 kcMessages= ${JSON.stringify(
                        record[pageType],
                        null,
                        2,
                    )};`,
                    "/* spell-checker: enable */",
                ].join("\n"),
                "utf8",
            ),
        );

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