name: Release APK

on:
  push:
    tags: ["v*"]

jobs:
  build:
    runs-on: linux-x86_64

    steps:
      - uses: actions/checkout@v4

      - uses: actions/setup-java@v4
        with:
          distribution: temurin
          java-version: "17"

      - name: Set up Android SDK from nix store
        run: |
          ANDROID_SDK=$(find /nix/store -maxdepth 3 -path "*/android-sdk-env/share/android-sdk" -type d 2>/dev/null | sort | tail -1)
          echo "ANDROID_HOME=$ANDROID_SDK" >> $GITHUB_ENV
          echo "ANDROID_SDK_ROOT=$ANDROID_SDK" >> $GITHUB_ENV
          echo "Android SDK: $ANDROID_SDK"

      - name: Extract version
        run: |
          VERSION=$(grep '^version:' pubspec.yaml | sed 's/version: //')
          echo "VERSION_CODE=$(echo "$VERSION" | grep -oP '(?<=\+)\d+')" >> $GITHUB_ENV
          echo "VERSION_NAME=$(echo "$VERSION" | grep -oP '^[^+]+')" >> $GITHUB_ENV

      - name: Decode keystore
        run: |
          echo "${{ secrets.KEYSTORE_BASE64 }}" | base64 -d > android/app/kirakira-release.jks
          echo "KEYSTORE_PATH=$GITHUB_WORKSPACE/android/app/kirakira-release.jks" >> $GITHUB_ENV

      - name: Build release APK
        env:
          STORE_PASSWORD: ${{ secrets.STORE_PASSWORD }}
          KEY_ALIAS:      ${{ secrets.KEY_ALIAS }}
          KEY_PASSWORD:   ${{ secrets.KEY_PASSWORD }}
        run: devbox run -- flutter build apk --release --flavor prod

      - name: Create Forgejo Release and upload APK
        env:
          FORGEJO_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        run: |
          APK="kirakira-${{ env.VERSION_NAME }}.apk"
          cp build/app/outputs/flutter-apk/app-prod-release.apk "$APK"

          BODY=$(python3 -c "
          import json, sys
          print(json.dumps(open('fastlane/metadata/android/en-US/changelogs/${{ env.VERSION_CODE }}.txt').read().strip()))
          ")

          RELEASE_ID=$(curl -sf -X POST \
            -H "Authorization: token $FORGEJO_TOKEN" \
            -H "Content-Type: application/json" \
            "$GITHUB_SERVER_URL/api/v1/repos/$GITHUB_REPOSITORY/releases" \
            -d "{\"tag_name\":\"$GITHUB_REF_NAME\",\"name\":\"$GITHUB_REF_NAME\",\"body\":$BODY}" \
            | python3 -c 'import sys,json; print(json.load(sys.stdin)["id"])')

          curl -sf -X POST \
            -H "Authorization: token $FORGEJO_TOKEN" \
            -H "Content-Type: application/vnd.android.package-archive" \
            "$GITHUB_SERVER_URL/api/v1/repos/$GITHUB_REPOSITORY/releases/$RELEASE_ID/assets?name=$APK" \
            --data-binary @"$APK"

          echo "Release created: $GITHUB_SERVER_URL/$GITHUB_REPOSITORY/releases/tag/$GITHUB_REF_NAME"