name: Build iOS IPA

on:
  push:
    branches:
      - main
      - master
    tags:
      - 'v*'
      - 'latest'
  workflow_dispatch:

# Only the newest push per branch/tag is built.
concurrency:
  group: build-ios-${{ github.ref }}
  cancel-in-progress: true

env:
  # Keep in sync with .gitea/workflows/build-apk.yaml and pubspec.yaml (environment).
  FLUTTER_VERSION: '3.47.4'

jobs:
  build-ios:
    name: Build iOS IPA
    # macOS 26 (arm64) ships Xcode 26 by default; Flutter 3.47 needs Xcode >= 16.
    runs-on: macos-26
    timeout-minutes: 60
    if: github.server_url == 'https://github.com'
    permissions:
      contents: write

    steps:
      - name: Checkout Repository
        uses: actions/checkout@v4

      - name: Set up Flutter
        uses: subosito/flutter-action@v2
        with:
          flutter-version: ${{ env.FLUTTER_VERSION }}
          channel: stable
          cache: true

      - name: Configure Flutter
        run: |
          # All plugins of this project are integrated via CocoaPods. Turning
          # off the (default-on) Swift Package Manager integration keeps the
          # build on that single, deterministic path.
          flutter config --no-enable-swift-package-manager

      - name: Inspect Environment
        run: |
          xcodebuild -version
          pod --version
          flutter --version
          flutter doctor -v

      - name: Fetch Flutter Dependencies
        run: flutter pub get

      - name: Build iOS (Unsigned)
        run: flutter build ios --release --no-codesign

      - name: Package IPA
        run: |
          set -euo pipefail
          cd build/ios/iphoneos
          rm -rf Payload oggauer-gemeindetrommler.ipa
          mkdir Payload
          cp -R Runner.app Payload/
          zip -qry oggauer-gemeindetrommler.ipa Payload
          ls -lh oggauer-gemeindetrommler.ipa

      - name: Upload IPA Artifact
        uses: actions/upload-artifact@v4
        with:
          name: oggauer-gemeindetrommler-ios
          path: build/ios/iphoneos/oggauer-gemeindetrommler.ipa
          retention-days: 7
          if-no-files-found: error

      - name: Publish IPA to GitHub Release
        if: github.event_name != 'pull_request'
        uses: softprops/action-gh-release@v2
        with:
          tag_name: ${{ startsWith(github.ref, 'refs/tags/') && github.ref_name || 'latest' }}
          name: ${{ startsWith(github.ref, 'refs/tags/') && github.ref_name || 'Oggauer Gemeindetrommler - LATEST' }}
          files: build/ios/iphoneos/oggauer-gemeindetrommler.ipa
          make_latest: true
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

      - name: Upload Xcode Logs (on failure)
        if: failure()
        uses: actions/upload-artifact@v4
        with:
          name: ios-build-logs
          path: |
            ~/Library/Logs/DiagnosticReports/*.ips
            build/ios/**/*.log
            ios/Podfile.lock
          if-no-files-found: ignore
          retention-days: 3