local-android-build.yml

name: 🏗️ Local Android Build (Self-Hosted)
permissions:
    contents: write

on:
    workflow_dispatch:
    push:
        branches: ['main'] #["**"]
        paths:
            - '.github/workflows/local-android-build.yml' # Allow manual re-runs of this work6flow

env:
    GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

jobs:
    build-android-local:
        name: 🔨 Build Android APK (Local Gradle)
        runs-on: self-hosted # Use your self-hosted runner / local machine
        outputs:
            app_version: ${{ steps.version-control.outputs.app_version }}
            build_number: ${{ steps.version-control.outputs.build_number }}
            build_date: ${{ steps.version-control.outputs.build_date }}
            is_production: ${{ steps.version-control.outputs.is_production }}
            branch_name: ${{ steps.extract-branch.outputs.branch_name }}
        steps:
            # ========================
            # 🛠️ Repository Setup
            # ========================
            - name: '📦 Checkout (Full History)'
              uses: actions/checkout@v4
              with:
                  fetch-depth: 0

            - name: '🔍 Extract branch name'
              id: extract-branch
              shell: bash
              run: |
                  BRANCH_NAME=${GITHUB_REF#refs/heads/}
                  echo "branch_name=$BRANCH_NAME" >> $GITHUB_OUTPUT
                  echo "Branch: $BRANCH_NAME"

            # ========================
            # ⚙️ Environment Configuration
            # ========================
            - name: '📦 Setup Node.js 22.x'
              uses: actions/setup-node@v4
              with:
                  node-version: 22.x
                  cache: 'npm'

            - name: '🧩 Install dependencies'
              run: npm ci --legacy-peer-deps

            # ========================
            # 🔄 Version Management
            # ========================
            - name: '🔄 Update Production Version'
              if: github.ref == 'refs/heads/main'
              run: node scripts/bumpVersion.js

            - name: '🔧 Configure Git for Automation'
              if: github.ref == 'refs/heads/main'
              run: |
                  git config --global user.name "GitHub Actions"
                  git config --global user.email "actions@github.com"

            - name: '💾 Commit Version Update'
              if: github.ref == 'refs/heads/main'
              run: |
                  git add version.json
                  git commit -m "chore: Auto-increment version [skip ci]" || true
                  git push || true

            # ========================
            # 📌 Version Setup
            # ========================
            - name: '🏷️ Set Build Versions'
              id: version-control
              run: |
                  # Use version from version.json
                  if [ "${{ github.ref }}" == "refs/heads/main" ]; then
                    APP_VERSION=$(jq -r '.version' version.json)
                    IS_PRODUCTION="true"
                  else
                    # For non-main branches, create a prerelease version with branch name
                    BRANCH_NAME=${{ steps.extract-branch.outputs.branch_name }}
                    SANITIZED_BRANCH=$(echo "$BRANCH_NAME" | sed 's/[^a-zA-Z0-9]/-/g')
                    # Get base version from version.json
                    BASE_VERSION=$(jq -r '.version' version.json)
                    APP_VERSION="${BASE_VERSION}-pre.${SANITIZED_BRANCH}.${{ github.run_number }}"
                    IS_PRODUCTION="false"
                  fi

                  # Generate build identifiers
                  BUILD_NUMBER="${{ github.run_id }}"
                  BUILD_DATE=$(date +'%Y%m%d-%H%M%S')

                  # Set outputs for downstream jobs
                  echo "app_version=$APP_VERSION" >> $GITHUB_OUTPUT
                  echo "build_number=$BUILD_NUMBER" >> $GITHUB_OUTPUT
                  echo "build_date=$BUILD_DATE" >> $GITHUB_OUTPUT
                  echo "is_production=$IS_PRODUCTION" >> $GITHUB_OUTPUT

                  # Export environment variables
                  echo "APP_VERSION=$APP_VERSION" >> $GITHUB_ENV
                  echo "BUILD_NUMBER=$BUILD_NUMBER" >> $GITHUB_ENV
                  echo "BUILD_DATE=$BUILD_DATE" >> $GITHUB_ENV

            # ========================
            # 🛠️ Android SDK Check
            # ========================
            - name: '🔍 Verify & Configure Android SDK'
              run: |
                  # Force a fixed SDK location for the runner
                  ANDROID_HOME="/home/digitalnomad91/Android/sdk"

                  # Export for subsequent steps
                  echo "ANDROID_HOME=$ANDROID_HOME" >> $GITHUB_ENV
                  echo "✅ ANDROID_HOME: $ANDROID_HOME"

                  # Verify SDK exists
                  if [ ! -d "$ANDROID_HOME" ]; then
                    echo "❌ ANDROID_HOME path does not exist: $ANDROID_HOME"
                    exit 1
                  fi

                  echo "✅ Checking for gradle wrapper..."
                  ls -la android/gradlew || echo "⚠️  No gradle wrapper found, will use globally installed gradle"

            # ========================
            # 🏗️ Build Execution
            # ========================
            - name: '🚀 Prepare Expo Bundle'
              run: |
                  echo "📦 Creating Expo bundle for embedded use..."
                  npm run prepare

            - name: '🔧 Make Gradle Wrapper Executable'
              run: |
                  chmod +x android/gradlew

            - name: '🏗️ Build Release APK with Gradle'
              run: |
                  export ANDROID_HOME="/home/digitalnomad91/Android/sdk"
                  cd android
                  ./gradlew clean assembleRelease \
                    -x bundleRelease \
                    --no-daemon \
                    -Dorg.gradle.jvmargs=-Xmx4096m
                  cd ..
                  echo "✅ Build completed successfully!"

            # ========================
            # 📦 APK Verification & Naming
            # ========================
            - name: '📍 Locate APK Output'
              id: apk-path
              run: |
                  APK_FILE=$(find android/app/build/outputs/apk -name "*.apk" -type f | head -1)
                  if [ -z "$APK_FILE" ]; then
                    echo "❌ Error: No APK file generated!"
                    find android/app/build -name "*.apk" -o -name "*.aab" 2>/dev/null
                    exit 1
                  fi
                  echo "✅ Found APK: $APK_FILE"
                  echo "APK_PATH=$APK_FILE" >> $GITHUB_OUTPUT
                  ls -lh "$APK_FILE"

            - name: '✏️ Rename APK with Version'
              id: final-apk
              run: |
                  SOURCE_APK="${{ steps.apk-path.outputs.APK_PATH }}"
                  DEST_APK="app-release-${{ env.APP_VERSION }}-build-${{ env.BUILD_NUMBER }}.apk"
                  cp "$SOURCE_APK" "$DEST_APK"
                  echo "FINAL_APK=$DEST_APK" >> $GITHUB_OUTPUT
                  echo "✅ Final APK: $DEST_APK"
                  ls -lh "$DEST_APK"

            # ========================
            # 📤 Artifact Upload
            # ========================
            - name: '📤 Upload APK Artifact'
              uses: actions/upload-artifact@v4
              with:
                  name: android-apk-local
                  path: app-release-${{ env.APP_VERSION }}-build-${{ env.BUILD_NUMBER }}.apk
                  retention-days: 14

    create-release:
        name: '🚀 Create GitHub Release'
        runs-on: ubuntu-latest
        needs: build-android-local
        steps:
            # ========================
            # 📥 Artifact Retrieval
            # ========================
            - name: '📦 Checkout Repository'
              uses: actions/checkout@v4
              with:
                  fetch-depth: 0

            - name: '📥 Download APK Artifact'
              uses: actions/download-artifact@v4
              with:
                  name: android-apk-local

            # ========================
            # 📜 Changelog Generation
            # ========================
            - name: '📋 Create Release Notes'
              id: changelog
              run: |
                  echo "📝 Generating changelog from git history..."
                  CHANGELOG=$(git log --oneline --no-decorate -n 20 | sed 's/^/- /')
                  echo "$CHANGELOG" > changelog.txt

                  # Format for GitHub release body
                  {
                    echo "## Release: ${{ needs.build-android-local.outputs.app_version }}"
                    echo ""
                    echo "**Build Info:**"
                    echo "- Build Number: ${{ needs.build-android-local.outputs.build_number }}"
                    echo "- Build Date: ${{ needs.build-android-local.outputs.build_date }}"
                    echo "- Branch: ${{ needs.build-android-local.outputs.branch_name }}"
                    echo ""
                    echo "**Recent Changes:**"
                    cat changelog.txt
                  } > release-body.txt

            # ========================
            # 🏷️ Release Creation
            # ========================
            - name: '🎚️ Determine Release Type'
              id: release-type
              run: |
                  echo "🔍 Detecting release type..."
                  if [ "${{ needs.build-android-local.outputs.is_production }}" = "true" ]; then
                    echo "🟢 Production release detected"
                    RELEASE_TAG="v${{ needs.build-android-local.outputs.app_version }}"
                    RELEASE_TITLE="📱 Production Release v${{ needs.build-android-local.outputs.app_version }} (Local Build)"
                  else
                    echo "🟡 Pre-release build detected"
                    BRANCH_NAME="${{ needs.build-android-local.outputs.branch_name }}"
                    RELEASE_TAG="prerelease-local-${BRANCH_NAME}-${{ needs.build-android-local.outputs.build_date }}"
                    RELEASE_TITLE="📱 Pre-release (${BRANCH_NAME}) v${{ needs.build-android-local.outputs.app_version }} (Local Build)"
                  fi
                  echo "RELEASE_TAG=${RELEASE_TAG}" >> $GITHUB_OUTPUT
                  echo "RELEASE_TITLE=${RELEASE_TITLE}" >> $GITHUB_OUTPUT

            - name: '🎉 Publish GitHub Release'
              uses: softprops/action-gh-release@v2
              with:
                  tag_name: ${{ steps.release-type.outputs.RELEASE_TAG }}
                  name: ${{ steps.release-type.outputs.RELEASE_TITLE }}
                  body_path: release-body.txt
                  files: app-release-${{ needs.build-android-local.outputs.app_version }}-build-${{ needs.build-android-local.outputs.build_number }}.apk
                  prerelease: ${{ needs.build-android-local.outputs.is_production != 'true' }}

    notify-completion:
        name: '✅ Build Completion Notification'
        runs-on: ubuntu-latest
        needs: [build-android-local, create-release]
        if: always()
        steps:
            - name: '📢 Build Status'
              run: |
                  if [ "${{ needs.build-android-local.result }}" = "success" ] && [ "${{ needs.create-release.result }}" = "success" ]; then
                    echo "✅ BUILD SUCCESSFUL!"
                    echo "📱 APK Version: ${{ needs.build-android-local.outputs.app_version }}"
                    echo "📦 Build completed without Expo.dev charges"
                  else
                    echo "❌ BUILD FAILED"
                    exit 1
                  fi