import { JavaBase } from '../base-installer';
import { JavaDownloadRelease, JavaInstallerOptions, JavaInstallerResults } from '../base-models';
import { extractJdkFile, getDownloadArchiveExtension } from '../../util';
import * as core from '@actions/core';
import { MicrosoftVersion, PlatformOptions } from './models';
import * as tc from '@actions/tool-cache';
import fs from 'fs';
import path from 'path';

export interface IToolRelease {
  version: string;
  stable: boolean;
  files: tc.IToolReleaseFile[];
}

export class MicrosoftDistributions extends JavaBase {
  constructor(installerOptions: JavaInstallerOptions) {
    super('Microsoft', installerOptions);
  }

  protected async downloadTool(javaRelease: JavaDownloadRelease): Promise<JavaInstallerResults> {
    core.info(
      `Downloading Java ${javaRelease.version} (${this.distribution}) from ${javaRelease.url} ...`
    );
    const javaArchivePath = await tc.downloadTool(javaRelease.url);

    core.info(`Extracting Java archive...`);
    const extension = getDownloadArchiveExtension();
    const extractedJavaPath = await extractJdkFile(javaArchivePath, extension);

    const archiveName = fs.readdirSync(extractedJavaPath)[0];
    const archivePath = path.join(extractedJavaPath, archiveName);

    const javaPath = await tc.cacheDir(
      archivePath,
      this.toolcacheFolderName,
      this.getToolcacheVersionName(javaRelease.version),
      this.architecture
    );

    return { version: javaRelease.version, path: javaPath };
  }

  protected async findPackageForDownload(range: string): Promise<JavaDownloadRelease> {
    if (this.architecture !== 'x64' && this.architecture !== 'aarch64') {
      throw new Error(`Unsupported architecture: ${this.architecture}`);
    }

    if (!this.stable) {
      throw new Error('Early access versions are not supported');
    }

    if (this.packageType !== 'jdk') {
      throw new Error('Microsoft Build of OpenJDK provides only the `jdk` package type');
    }

    const availableVersionsRaw = await this.getAvailableVersions();

    if (!availableVersionsRaw) {
      throw new Error('Could not load manifest for Microsoft Build of OpenJDK');
    }

    const foundRelease = await tc.findFromManifest(
      range,
      true,
      availableVersionsRaw,
      this.architecture
    );

    // const opts = this.getPlatformOption();
    // const availableVersions = availableVersionsRaw.map(item => ({
    //   url: `https://aka.ms/download-jdk/microsoft-jdk-${item.version.join('.')}-${opts.os}-${
    //     this.architecture // https://aka.ms/download-jdk/microsoft-jdk-17.0.3-linux-aarch64.tar.gz
    //   }.${opts.archive}`,
    //   version: this.convertVersionToSemver(item)
    // }));

    // const satisfiedVersion = availableVersions
    //   .filter(item => isVersionSatisfies(range, item.version))
    //   .sort((a, b) => -semver.compareBuild(a.version, b.version))[0];

    // if (!satisfiedVersion) {
    //   const availableOptions = availableVersions.map(item => item.version).join(', ');
    //   const availableOptionsMessage = availableOptions
    //     ? `\nAvailable versions: ${availableOptions}`
    //     : '';
    //   throw new Error(
    //     `Could not find satisfied version for SemVer ${range}. ${availableOptionsMessage}`
    //   );
    // }

    if (!foundRelease) {
      throw new Error(
        `Could not find satisfied version for SemVer ${range}. ${availableVersionsRaw
          .map(item => item.version)
          .join(', ')}`
      );
    }

    return { url: foundRelease.files[0].download_url, version: foundRelease.version };
  }

  private async getAvailableVersions(): Promise<tc.IToolRelease[] | null> {
    // TODO get these dynamically!
    // We will need Microsoft to add an endpoint where we can query for versions.
    const token = core.getInput('token');
    const manifest = await tc.getManifestFromRepo(
      'dmitry-shibanov',
      'setup-java',
      token,
      'add-json-for-microsoft-versions'
    );

    return manifest;
  }

  private getPlatformOption(
    platform: NodeJS.Platform = process.platform /* for testing */
  ): PlatformOptions {
    switch (platform) {
      case 'darwin':
        return { archive: 'tar.gz', os: 'macos' };
      case 'win32':
        return { archive: 'zip', os: 'windows' };
      case 'linux':
        return { archive: 'tar.gz', os: 'linux' };
      default:
        throw new Error(
          `Platform '${platform}' is not supported. Supported platforms: 'darwin', 'linux', 'win32'`
        );
    }
  }

  private convertVersionToSemver(version: MicrosoftVersion): string {
    const major = version.version[0];
    const minor = version.version[1];
    const patch = version.version[2];
    return `${major}.${minor}.${patch}`;
  }
}