name: Create Release

on:
  push:
    tags:
      - 'v*'

permissions:
  contents: write

jobs:
  build:
    runs-on: ubuntu-latest
    steps:
    - uses: actions/checkout@v4
    
    - name: Set up Python
      uses: actions/setup-python@v4
      with:
        python-version: '3.x'
    
    - name: Install PlatformIO
      run: |
        python -m pip install --upgrade pip
        pip install --upgrade platformio
    
    - name: Build Firmware
      run: |
        pio run -t buildfs  # Build SPIFFS
        pio run            # Build firmware
        
    - name: Install esptool
      run: |
        pip install esptool
        
    - name: Merge firmware and SPIFFS
      run: |
        esptool.py --chip esp32 merge_bin \
          --flash_mode dio \
          --flash_freq 40m \
          --flash_size 4MB \
          -o .pio/build/esp32dev/merged_firmware.bin \
          0x10000 .pio/build/esp32dev/firmware.bin \
          0x290000 .pio/build/esp32dev/spiffs.bin
    
    - name: Get version from tag
      id: get_version
      run: echo "VERSION=${GITHUB_REF#refs/tags/v}" >> $GITHUB_OUTPUT
      
    - name: Read CHANGELOG.md
      id: changelog
      run: |
        CHANGELOG=$(awk "/## \\[${{ steps.get_version.outputs.VERSION }}\\]/{p=1;print;next} /## \\[/{p=0} p" CHANGELOG.md)
        echo "CHANGES<<EOF" >> $GITHUB_OUTPUT
        echo "$CHANGELOG" >> $GITHUB_OUTPUT
        echo "EOF" >> $GITHUB_OUTPUT
    
    - name: Create Release
      uses: actions/create-release@v1
      id: create_release
      env:
        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
      with:
        tag_name: ${{ github.ref }}
        release_name: Release ${{ steps.get_version.outputs.VERSION }}
        body: ${{ steps.changelog.outputs.CHANGES }}
        draft: false
        prerelease: false
        
    - name: Upload Firmware Assets
      uses: actions/upload-release-asset@v1
      env:
        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
      with:
        upload_url: ${{ steps.create_release.outputs.upload_url }}
        asset_path: .pio/build/esp32dev/firmware.bin
        asset_name: firmware.bin
        asset_content_type: application/octet-stream
        
    - name: Upload SPIFFS Assets
      uses: actions/upload-release-asset@v1
      env:
        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
      with:
        upload_url: ${{ steps.create_release.outputs.upload_url }}
        asset_path: .pio/build/esp32dev/spiffs.bin
        asset_name: spiffs.bin
        asset_content_type: application/octet-stream
        
    - name: Upload Merged Firmware
      uses: actions/upload-release-asset@v1
      env:
        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
      with:
        upload_url: ${{ steps.create_release.outputs.upload_url }}
        asset_path: .pio/build/esp32dev/merged_firmware.bin
        asset_name: merged_firmware.bin
        asset_content_type: application/octet-stream