import * as core from "@actions/core";
import * as tc from "@actions/tool-cache";
import * as os from "os";
import * as path from "path";
import {
  getPlatformFlavor,
  getScannerDownloadURL,
  scannerDirName,
} from "./utils";

const TOOLNAME = "sonar-scanner-cli";

/**
 * Download the Sonar Scanner CLI for the current environment and cache it.
 */
export async function installSonarScanner({
  scannerVersion,
  scannerBinariesUrl,
}) {
  const flavor = getPlatformFlavor(os.platform(), os.arch());

  // Check if tool is already cached
  let toolDir = tc.find(TOOLNAME, scannerVersion, flavor);

  if (!toolDir) {
    console.log(
      `Installing Sonar Scanner CLI ${scannerVersion} for ${flavor}...`
    );

    const downloadUrl = getScannerDownloadURL({
      scannerBinariesUrl,
      scannerVersion,
      flavor,
    });

    console.log(`Downloading from: ${downloadUrl}`);

    const downloadPath = await tc.downloadTool(downloadUrl);
    const extractedPath = await tc.extractZip(downloadPath);

    // Find the actual scanner directory inside the extracted folder
    const scannerPath = path.join(
      extractedPath,
      scannerDirName(scannerVersion, flavor)
    );

    toolDir = await tc.cacheDir(scannerPath, TOOLNAME, scannerVersion, flavor);

    console.log(`Sonar Scanner CLI cached to: ${toolDir}`);
  } else {
    console.log(`Using cached Sonar Scanner CLI from: ${toolDir}`);
  }

  // Add the bin directory to PATH
  const binDir = path.join(toolDir, "bin");
  core.addPath(binDir);

  return toolDir;
}