name: Validate PR

on:
  pull_request:
    branches: [main]
  push:
    branches: [main]

jobs:
  validate:
    name: Analyze & Test
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v5

      - uses: subosito/flutter-action@v2
        with:
          channel: 'stable'
          cache: true

      - run: flutter pub get

      - name: Analyze
        run: flutter analyze

      - name: Test
        run: flutter test

  build-debug-apk:
    name: Build Debug APK
    runs-on: ubuntu-latest
    if: github.event_name == 'pull_request'
    steps:
      - uses: actions/checkout@v5

      - uses: actions/setup-java@v5
        with:
          distribution: 'temurin'
          java-version: '17'

      - uses: subosito/flutter-action@v2
        with:
          channel: 'stable'
          cache: true

      - uses: actions/cache@v4
        with:
          path: |
            ~/.gradle/caches
            ~/.gradle/wrapper
          key: gradle-${{ runner.os }}-${{ hashFiles('**/*.gradle*', '**/gradle-wrapper.properties') }}
          restore-keys: gradle-${{ runner.os }}-

      - run: flutter pub get

      - name: Generate icons and splash screens
        run: |
          dart run flutter_launcher_icons
          dart run flutter_native_splash:create

      - name: Build debug APK
        run: flutter build apk --debug

      - name: Upload debug APK
        uses: actions/upload-artifact@v4
        with:
          name: debug-apk
          path: build/app/outputs/flutter-apk/app-debug.apk
          if-no-files-found: error
          retention-days: 14

  build-ios-simulator:
    name: Build iOS Simulator
    runs-on: macos-26
    if: github.event_name == 'pull_request'
    steps:
      - uses: actions/checkout@v5

      - uses: subosito/flutter-action@v2
        with:
          channel: 'stable'
          cache: true

      - uses: actions/cache@v4
        with:
          path: ios/Pods
          key: pods-${{ runner.os }}-${{ hashFiles('ios/Podfile.lock') }}
          restore-keys: pods-${{ runner.os }}-

      - run: flutter pub get

      - name: Generate icons and splash screens
        run: |
          dart run flutter_launcher_icons
          dart run flutter_native_splash:create

      - name: Build iOS simulator app
        run: flutter build ios --debug --simulator

      - name: Zip Runner.app
        run: cd build/ios/iphonesimulator && zip -r "$GITHUB_WORKSPACE/Runner.app.zip" Runner.app

      - name: Upload simulator build
        uses: actions/upload-artifact@v4
        with:
          name: ios-simulator
          path: Runner.app.zip
          if-no-files-found: error
          retention-days: 14

  comment-artifacts:
    name: Post Artifact Links
    needs: [build-debug-apk, build-ios-simulator]
    runs-on: ubuntu-latest
    if: github.event_name == 'pull_request' && !cancelled()
    permissions:
      pull-requests: write
    steps:
      - uses: actions/github-script@v7
        continue-on-error: true
        env:
          APK_RESULT: ${{ needs.build-debug-apk.result }}
          IOS_RESULT: ${{ needs.build-ios-simulator.result }}
        with:
          script: |
            const runUrl = `${context.serverUrl}/${context.repo.owner}/${context.repo.repo}/actions/runs/${context.runId}#artifacts`;
            const apkOk = process.env.APK_RESULT === 'success';
            const iosOk = process.env.IOS_RESULT === 'success';

            const lines = ['## Debug builds', ''];

            if (apkOk || iosOk) {
              lines.push(`Download from the [artifacts page](${runUrl}):`);
              if (apkOk) lines.push('- **debug-apk** — install on Android device/emulator');
              if (iosOk) lines.push('- **ios-simulator** — unzip and install with `xcrun simctl install booted Runner.app`');
            }

            if (!apkOk || !iosOk) {
              const failed = [];
              if (!apkOk) failed.push('Android APK');
              if (!iosOk) failed.push('iOS simulator');
              lines.push('', `**Failed:** ${failed.join(', ')} — check the [workflow run](${runUrl}) for details.`);
            }

            const body = lines.join('\n');

            const { data: comments } = await github.rest.issues.listComments({
              owner: context.repo.owner,
              repo: context.repo.repo,
              issue_number: context.issue.number,
            });
            const existing = comments.find(c => c.body.startsWith('## Debug builds'));
            if (existing) {
              await github.rest.issues.updateComment({
                owner: context.repo.owner,
                repo: context.repo.repo,
                comment_id: existing.id,
                body,
              });
            } else {
              await github.rest.issues.createComment({
                owner: context.repo.owner,
                repo: context.repo.repo,
                issue_number: context.issue.number,
                body,
              });
            }