name: Build and Release ESP32 Firmware

on:
  push:
    branches: [ "main", "master" ]
    tags:
      - "v*.*.*"
  pull_request:
    branches: [ "main", "master" ]
  workflow_dispatch:

permissions:
  contents: write

jobs:
  build:
    runs-on: ubuntu-latest

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

      # 公式のアクションで arduino-cli をセットアップ
      - name: Setup Arduino CLI
        uses: arduino/setup-arduino-cli@v2

      # ESP32 パッケージインデックスの更新と 2.0.14 のインストール
      - name: Install ESP32 Board Core (2.0.14)
        run: |
          arduino-cli config init
          arduino-cli config set 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@2.0.14

      # ESP32-A2DP ライブラリを GitHub から直接インストール
      - name: Install ESP32-A2DP library from GitHub
        run: |
          mkdir -p ~/Arduino/libraries
          git clone https://github.com/pschatzmann/ESP32-A2DP.git ~/Arduino/libraries/ESP32-A2DP

      # コンパイル実行 (出力先ディレクトリを build に明示固定)
      - name: Compile Sketch
        run: |
          arduino-cli compile \
          --fqbn esp32:esp32:esp32 \
          --build-property "build.partitions=huge_app" \
          --build-property "upload.maximum_size=3145728" \
          --build-property "build.flash_mode=dio" \
          --build-property "build.flash_freq=40m" \
          --build-property "build.flash_size=4MB" \
          --build-path build \
          firmware/firmware.ino

      # build 配下のファイル一覧を txt に書き出す
      - name: Write build file list
        run: |
          echo "Build directory listing for $(date)" > build/file_list.txt
          # 再帰的にディレクトリ構造を含めて一覧を出力（build/ 以下を相対パスで表示）
          find build -print | sed 's|^build/||' | sort >> build/file_list.txt

      # 通常の Artifacts 保存 (build フォルダ内を保存)
      - name: Upload Build Artifacts
        uses: actions/upload-artifact@v4
        with:
          name: esp32-a2dp-firmware
          path: |
            build/*.bin
            build/file_list.txt

      # GitHub Release の自動作成 & アセット添付 (タグ Push 時のみ)
      - name: Create GitHub Release
        if: startsWith(github.ref, 'refs/tags/')
        uses: softprops/action-gh-release@v2
        with:
          files: build/*.bin
          generate_release_notes: true