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

const supportedPlatform = `'linux', 'linux-musl', 'macos', 'solaris', 'windows'`;

const supportedArchitecture = `'x86', 'x64', 'armv7', 'aarch64', 'ppc64le'`;

export class LibericaDistributions extends JavaBase {
  constructor(installerOptions: JavaInstallerOptions) {
    super('Liberica', 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> {
    const availableVersionsRaw = await this.getAvailableVersions();

    const availableVersions = availableVersionsRaw.map(item => ({
      url: item.downloadUrl,
      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}`
      );
    }

    return satisfiedVersion;
  }

  private async getAvailableVersions(): Promise<LibericaVersion[]> {
    console.time('liberica-retrieve-available-versions');
    const url = this.prepareAvailableVersionsUrl();

    if (core.isDebug()) {
      core.debug(`Gathering available versions from '${url}'`);
    }

    const availableVersions = (await this.http.getJson<LibericaVersion[]>(url)).result ?? [];

    if (core.isDebug()) {
      core.startGroup('Print information about available versions');
      console.timeEnd('liberica-retrieve-available-versions');
      console.log(`Available versions: [${availableVersions.length}]`);
      console.log(availableVersions.map(item => item.version));
      core.endGroup();
    }

    return availableVersions;
  }

  private prepareAvailableVersionsUrl() {
    const urlOptions = {
      os: this.getPlatformOption(),
      'bundle-type': this.getBundleType(),
      ...this.getArchitectureOptions(),
      'build-type': this.stable ? 'all' : 'ea',
      'installation-type': 'archive',
      fields: 'downloadUrl,version,featureVersion,interimVersion,updateVersion,buildVersion'
    };

    const searchParams = new URLSearchParams(urlOptions).toString();

    return `https://api.bell-sw.com/v1/liberica/releases?${searchParams}`;
  }

  private getBundleType(): string {
    const [bundleType, feature] = this.packageType.split('+');
    if (feature?.includes('fx')) {
      return bundleType + '-full';
    }
    return bundleType;
  }

  private getArchitectureOptions(): ArchitectureOptions {
    switch (this.architecture) {
      case 'x86':
        return { bitness: '32', arch: 'x86' };
      case 'x64':
        return { bitness: '64', arch: 'x86' };
      case 'armv7':
        return { bitness: '32', arch: 'arm' };
      case 'aarch64':
        return { bitness: '64', arch: 'arm' };
      case 'ppc64le':
        return { bitness: '64', arch: 'ppc' };
      default:
        throw new Error(
          `Architecture '${this.architecture}' is not supported. Supported architectures: ${supportedArchitecture}`
        );
    }
  }

  private getPlatformOption(platform: NodeJS.Platform = process.platform): OsVersions {
    switch (platform) {
      case 'darwin':
        return 'macos';
      case 'win32':
      case 'cygwin':
        return 'windows';
      case 'linux':
        return 'linux';
      case 'sunos':
        return 'solaris';
      default:
        throw new Error(
          `Platform '${platform}' is not supported. Supported platforms: ${supportedPlatform}`
        );
    }
  }

  private convertVersionToSemver(version: LibericaVersion): string {
    let { buildVersion, featureVersion, interimVersion, updateVersion } = version;
    const mainVersion = [featureVersion, interimVersion, updateVersion].join('.');
    if (buildVersion != 0) {
      return `${mainVersion}+${buildVersion}`;
    }
    return mainVersion;
  }
}