name: Build and Package Arduino Firmware

on:
  push:
    tags:
      - 'v*'

jobs:
  build:
    runs-on: ubuntu-latest
    permissions:
      contents: write
    steps:
      - name: Checkout Repository
        uses: actions/checkout@v4

      - name: Configure Safe Directory
        run: |
          git config --global --add safe.directory "*"

      - name: Set Version Identifier
        run: |
          TAG=${GITHUB_REF#refs/tags/}
          echo "$TAG" > version.txt
          echo "Build version (tag): $TAG"

      - name: Install Arduino CLI
        run: |
          curl -fsSL https://raw.githubusercontent.com/arduino/arduino-cli/master/install.sh | sh
          mv bin/arduino-cli /usr/local/bin/
          arduino-cli config init
          arduino-cli config add board_manager.additional_urls https://raw.githubusercontent.com/espressif/arduino-esp32/gh-pages/package_esp32_index.json
          arduino-cli core update-index
          arduino-cli core install esp32:esp32

      - name: Compile Arduino Sketch
        run: |
          mkdir -p build
          arduino-cli compile --fqbn esp32:esp32:esp32 --output-dir build .

      - name: Stage Firmware Binaries
        run: |
          mkdir -p dist
          cp build/*.bin dist/

      - name: Create Flashing Instructions Document
        run: |
          cat << 'EOF' > dist/README_FLASHING.txt
          ESP32 ALDL Bridge Arduino Firmware Flash Instructions
          ===================================================

          You can flash the compiled .bin file using esptool.py or any generic ESP32 flashing tool.
          EOF

      - name: Package Release
        run: |
          TAG=${GITHUB_REF#refs/tags/}
          tar -czvf "esp32-aldl-${TAG}.tar.gz" -C dist .

      - name: Upload Firmware Package
        uses: actions/upload-artifact@v4
        with:
          name: esp32-aldl-arduino-firmware-${{ github.sha }}
          path: esp32-aldl-*.tar.gz
          if-no-files-found: error

      - name: Create Release and Upload Asset
        env:
          TOKEN: ${{ secrets.GITHUB_TOKEN }}
          API_URL: ${{ github.api_url }}
          REPO: ${{ github.repository }}
        run: |
          TAG=${GITHUB_REF#refs/tags/}
          FILE="esp32-aldl-${TAG}.tar.gz"
          NAME="${TAG}"

          # 1. Create the release
          RESP=$(curl -s -H "Authorization: token $TOKEN" \
            -H "Content-Type: application/json" \
            -d "{\"tag_name\":\"$TAG\",\"name\":\"$NAME\",\"body\":\"Release $TAG\"}" \
            "$API_URL/repos/$REPO/releases")

          # 2. Extract upload endpoint
          UPLOAD_URL=$(echo "$RESP" | jq -r '.upload_url // empty')
          RELEASE_ID=$(echo "$RESP" | jq -r '.id // empty')

          # 3. Upload asset
          if [ -n "$UPLOAD_URL" ]; then
            # GitHub style (upload_url contains {?name,label})
            UPLOAD_URL="${UPLOAD_URL%\{?name,label\}}"
            curl -s -H "Authorization: token $TOKEN" \
              -H "Content-Type: application/gzip" \
              --data-binary @$FILE \
              "${UPLOAD_URL}?name=${FILE}"
          elif [ -n "$RELEASE_ID" ]; then
            # Gitea style (POST to /releases/{id}/assets)
            curl -s -H "Authorization: token $TOKEN" \
              -H "Content-Type: application/gzip" \
              --data-binary @$FILE \
              "$API_URL/repos/$REPO/releases/$RELEASE_ID/assets?name=${FILE}"
          else
            echo "Failed to create release"
            echo "$RESP"
            exit 1
          fi