name: Build & Deploy APK

on:
  push:
    branches: [main]

jobs:
  build:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        run: |
          git clone --depth 1 --branch "${GITHUB_REF_NAME}" \
            "http://admin:${{ secrets.GITHUB_TOKEN }}@192.168.5.10:3000/${GITHUB_REPOSITORY}.git" .

      - name: Validate environment
        run: |
          echo "Java: $(java --version 2>&1 | head -1)"
          echo "ANDROID_HOME: $ANDROID_HOME"
          echo "sdk.dir=$ANDROID_HOME" > local.properties
          cat local.properties

      - name: Build Release APK
        shell: bash
        run: |
          GRADLE_PROPS="gradle/wrapper/gradle-wrapper.properties"
          DIST_URL=$(grep distributionUrl "$GRADLE_PROPS" | cut -d'=' -f2 | sed 's/\\//g')
          GRADLE_DIR="$HOME/.gradle/wrapper/dists/gradle-8.11.1-bin"

          if [ ! -d "$GRADLE_DIR" ]; then
            mkdir -p /tmp/gradle-download
            wget -q "$DIST_URL" -O /tmp/gradle-download/gradle.zip
            mkdir -p "$GRADLE_DIR"
            unzip -qo /tmp/gradle-download/gradle.zip -d "$GRADLE_DIR"
            rm /tmp/gradle-download/gradle.zip
          fi

          GRADLE_BIN=$(find "$GRADLE_DIR" -name "gradle" -path "*/bin/gradle" | head -1)
          echo "Using Gradle: $GRADLE_BIN"
          "$GRADLE_BIN" assembleRelease --no-daemon

      - name: Deploy APK to Gitea release
        shell: bash
        run: |
          GITEA="http://192.168.5.10:3000"
          REPO="admin/itstransport-android"
          TOKEN="${{ secrets.GITHUB_TOKEN }}"

          VERSION_NAME=$(grep 'versionName' app/build.gradle.kts | head -1 | sed 's/.*"\(.*\)".*/\1/')
          VERSION_CODE=$(grep 'versionCode' app/build.gradle.kts | head -1 | sed 's/[^0-9]*//g')
          COMMIT_MSG=$(git log -1 --pretty=%s)

          APK=$(find app/build/outputs/apk/release -name "*.apk" | head -1)
          test -n "$APK" || { echo "ERROR: No APK found"; exit 1; }

          TAG="v${VERSION_NAME}-${VERSION_CODE}"
          echo "Deploying $TAG — $(du -h "$APK" | cut -f1)"

          # Delete existing release with same tag (if re-building same version)
          EXISTING=$(curl -s -H "Authorization: token $TOKEN" "$GITEA/api/v1/repos/$REPO/releases/tags/$TAG" | python3 -c "import sys,json; print(json.load(sys.stdin).get('id',''))" 2>/dev/null)
          if [ -n "$EXISTING" ]; then
            curl -s -X DELETE -H "Authorization: token $TOKEN" "$GITEA/api/v1/repos/$REPO/releases/$EXISTING"
            echo "Deleted existing release $EXISTING"
          fi

          # Create release
          RELEASE_ID=$(curl -s -X POST -H "Authorization: token $TOKEN" \
            -H "Content-Type: application/json" \
            "$GITEA/api/v1/repos/$REPO/releases" \
            -d "{\"tag_name\":\"$TAG\",\"name\":\"v$VERSION_NAME\",\"body\":\"$COMMIT_MSG\",\"draft\":false,\"prerelease\":false}" \
            | python3 -c "import sys,json; print(json.load(sys.stdin)['id'])")

          echo "Created release ID: $RELEASE_ID"

          # Upload APK as release asset
          curl -s -X POST -H "Authorization: token $TOKEN" \
            -H "Content-Type: application/octet-stream" \
            "$GITEA/api/v1/repos/$REPO/releases/$RELEASE_ID/assets?name=itstransport.apk" \
            --data-binary @"$APK"

          echo "APK uploaded to release $TAG"