#!/usr/bin/env node

import { generateKeycloakThemeResources } from "./generateKeycloakThemeResources";
import { generateJavaStackFiles } from "./generateJavaStackFiles";
import type { ParsedPackageJson } from "./generateJavaStackFiles";
import { join as pathJoin, relative as pathRelative, basename as pathBasename } from "path";
import * as child_process from "child_process";
import { generateDebugFiles, containerLaunchScriptBasename } from "./generateDebugFiles";
import { URL } from "url";


const reactProjectDirPath = process.cwd();

const doUseExternalAssets = process.argv[2]?.toLowerCase() === "--external-assets";

const parsedPackageJson: ParsedPackageJson = require(pathJoin(reactProjectDirPath, "package.json"));

export const keycloakThemeBuildingDirPath = pathJoin(reactProjectDirPath, "build_keycloak");


if (require.main === module) {

    console.log("🔏 Building the keycloak theme...⌚");

    generateKeycloakThemeResources({
        keycloakThemeBuildingDirPath,
        "reactAppBuildDirPath": pathJoin(reactProjectDirPath, "build"),
        "themeName": parsedPackageJson.name,
        "mode": (() => {


            const url = (() => {

                const { homepage } = parsedPackageJson;

                return homepage === undefined ?
                    undefined :
                    new URL(homepage);

            })();

            const urlPathname =
                url === undefined ?
                    "/" :
                    url.pathname.replace(/([^/])$/, "$1/");



            return !doUseExternalAssets ?
                {
                    "type": "standalone",
                    urlPathname
                } as const
                :
                {
                    "type": "external assets",
                    urlPathname,
                    "urlOrigin": (() => {

                        if (url === undefined) {
                            console.error("ERROR: You must specify 'homepage' in your package.json");
                            process.exit(-1);
                        }

                        return url.origin;

                    })()

                } as const;

        })()

    });

    const { jarFilePath } = generateJavaStackFiles({
        parsedPackageJson,
        keycloakThemeBuildingDirPath
    });

    child_process.execSync(
        "mvn package",
        { "cwd": keycloakThemeBuildingDirPath }
    );

    generateDebugFiles({
        keycloakThemeBuildingDirPath,
        "packageJsonName": parsedPackageJson.name
    });

    console.log([
        '',
        `✅ Your keycloak theme has been generated and bundled into ./${pathRelative(reactProjectDirPath, jarFilePath)} 🚀`,
        `It is to be placed in "/opt/jboss/keycloak/standalone/deployments" in the container running a jboss/keycloak Docker image. (Tested with 11.0.3)`,
        '',
        'Using Helm (https://github.com/codecentric/helm-charts), edit to reflect:',
        '',
        'value.yaml: ',
        '    extraInitContainers: |',
        '        - name: realm-ext-provider',
        '          image: curlimages/curl',
        '          imagePullPolicy: IfNotPresent',
        '          command:',
        '            - sh',
        '          args:',
        '            - -c',
        `            - curl -L -f -S -o /extensions/${pathBasename(jarFilePath)} https://AN.URL.FOR/${pathBasename(jarFilePath)}`,
        '          volumeMounts:',
        '            - name: extensions',
        '              mountPath: /extensions',
        '        ',
        '        extraVolumeMounts: |',
        '            - name: extensions',
        '              mountPath: /opt/jboss/keycloak/standalone/deployments',
        '',
        '',
        'To test your theme locally, with hot reloading, you can spin up a Keycloak container image with the theme loaded by running:',
        '',
        `👉 $ ./${pathRelative(reactProjectDirPath, pathJoin(keycloakThemeBuildingDirPath, containerLaunchScriptBasename))} 👈`,
        '',
        'To enable the theme within keycloak log into the admin console ( 👉 http://localhost:8080 username: admin, password: admin 👈), create a realm (called "myrealm" for example),',
        `go to your realm settings, click on the theme tab then select ${parsedPackageJson.name}.`,
        `More details: https://www.keycloak.org/getting-started/getting-started-docker`,
        '',
        'Once your container is up and configured 👉 http://localhost:8080/auth/realms/myrealm/account 👈',
        '',
    ].join("\n"));

}