name: Desktop Release

on:
  push:
    tags:
      - 'v*'
      - 'desktop-v*'
  workflow_dispatch:
    inputs:
      tag:
        description: 'Existing tag to build (e.g. v0.1.0)'
        required: true
        type: string

concurrency:
  group: desktop-release-${{ github.ref }}
  cancel-in-progress: false

jobs:
  publish-tauri:
    permissions:
      contents: write
      packages: read
    runs-on: macos-latest
    env:
      RELEASE_TAG: ${{ github.event_name == 'workflow_dispatch' && github.event.inputs.tag || github.ref_name }}

    steps:
      - uses: actions/checkout@v4
        with:
          fetch-depth: 0
          ref: ${{ github.event_name == 'workflow_dispatch' && github.event.inputs.tag || github.ref }}

      - name: Setup Node
        uses: actions/setup-node@v4
        with:
          node-version: '22'
          cache: 'npm'
          registry-url: 'https://npm.pkg.github.com'
          scope: '@boudra'

      - name: Install Rust stable
        uses: dtolnay/rust-toolchain@stable
        with:
          targets: aarch64-apple-darwin

      - name: Install JS dependencies
        run: npm ci
        env:
          NODE_AUTH_TOKEN: ${{ secrets.GITHUB_TOKEN }}

      - name: Build web app for Tauri
        run: npm run build:web --workspace=@getpaseo/app

      - name: Set desktop version from tag
        shell: bash
        run: |
          node <<'NODE'
          const fs = require('node:fs');
          const path = require('node:path');

          const rawTag = process.env.RELEASE_TAG;
          if (!rawTag) throw new Error('RELEASE_TAG env var is missing');

          const version = rawTag.replace(/^desktop-/, '').replace(/^v/, '');
          console.log(`Using desktop version ${version} from tag ${rawTag}`);

          const tauriConfPath = path.join('packages', 'desktop', 'src-tauri', 'tauri.conf.json');
          const tauriConfText = fs.readFileSync(tauriConfPath, 'utf8');
          const tauriRe = /("version"\s*:\s*")([^"]+)(")/;
          if (!tauriRe.test(tauriConfText)) {
            throw new Error(`Failed to find version field in ${tauriConfPath}`);
          }
          fs.writeFileSync(tauriConfPath, tauriConfText.replace(tauriRe, `$1${version}$3`));

          const cargoTomlPath = path.join('packages', 'desktop', 'src-tauri', 'Cargo.toml');
          const cargoLines = fs.readFileSync(cargoTomlPath, 'utf8').split(/\r?\n/);
          let inPackage = false;
          let updated = false;
          const nextLines = cargoLines.map((line) => {
            if (/^\[package\]\s*$/.test(line)) inPackage = true;
            else if (inPackage && /^\[/.test(line)) inPackage = false;

            if (inPackage && /^version\s*=\s*".*"\s*$/.test(line)) {
              updated = true;
              return `version = "${version}"`;
            }
            return line;
          });
          if (!updated) throw new Error(`Failed to update Cargo package version in ${cargoTomlPath}`);
          fs.writeFileSync(cargoTomlPath, `${nextLines.join('\n')}\n`);
          NODE

      - name: Build and publish Tauri release
        uses: tauri-apps/tauri-action@v0
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        with:
          projectPath: packages/desktop
          tagName: ${{ env.RELEASE_TAG }}
          releaseName: Paseo Desktop ${{ env.RELEASE_TAG }}
          releaseBody: See the assets to download and install this version.
          releaseDraft: false
          prerelease: false
          args: --target aarch64-apple-darwin