name: GitHub Release

on:
  workflow_call:
    secrets:
      RELEASE_TOKEN:
        description: 'GitHub token for release creation'
        required: true

permissions:
  contents: write

jobs:
  create-release:
    runs-on: ubuntu-latest
    permissions:
      contents: write
    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 esptool
    
    - name: Install xxd
      run: |
        sudo apt-get update
        sudo apt-get install xxd
    
    - name: Check for Data changes
      id: check_data
      run: |
        git fetch --unshallow || true
        CHANGED_FILES=$(git diff --name-only HEAD^..HEAD)
        if echo "$CHANGED_FILES" | grep -q "^data/"; then
          echo "DATA_CHANGED=true" >> $GITHUB_OUTPUT
        else
          echo "DATA_CHANGED=false" >> $GITHUB_OUTPUT
        fi

    - name: Check for SPIFFS changes
      id: check_spiffs
      run: |
        git fetch --unshallow || true
        CHANGED_FILES=$(git diff --name-only HEAD^..HEAD)
        if echo "$CHANGED_FILES" | grep -q "^data/\|^html/"; then
          echo "SPIFFS_CHANGED=true" >> $GITHUB_OUTPUT
        else
          echo "SPIFFS_CHANGED=false" >> $GITHUB_OUTPUT
        fi
    
    - name: Build Firmware
      run: |
        VERSION=$(grep '^version = ' platformio.ini | cut -d'"' -f2)
        
        # Always build firmware and SPIFFS
        echo "Building firmware and SPIFFS..."
        pio run -e esp32dev
        pio run -t buildfs
        
        # Copy firmware binary
        cp .pio/build/esp32dev/firmware.bin .pio/build/esp32dev/filaman_${VERSION}.bin
        
        # Always create SPIFFS binary
        cp .pio/build/esp32dev/spiffs.bin .pio/build/esp32dev/webpage_${VERSION}.bin
        
        # Create full binary (always)
        (cd .pio/build/esp32dev && 
        esptool.py --chip esp32 merge_bin \
          --fill-flash-size 4MB \
          --flash_mode dio \
          --flash_freq 40m \
          --flash_size 4MB \
          -o filaman_full_${VERSION}.bin \
          0x1000 bootloader.bin \
          0x8000 partitions.bin \
          0x10000 firmware.bin \
          0x390000 spiffs.bin)
        
        # Verify file sizes
        echo "File sizes:"
        (cd .pio/build/esp32dev && ls -lh *.bin)
    
    - name: Get version from platformio.ini
      id: get_version
      run: |
        VERSION=$(grep '^version = ' platformio.ini | cut -d'"' -f2)
        echo "VERSION=$VERSION" >> $GITHUB_OUTPUT
      
    - name: Read CHANGELOG.md
      id: changelog
      run: |
        VERSION=${{ steps.get_version.outputs.VERSION }}
        CHANGELOG=$(awk "/## \\[$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 GitHub Release
      env:
        GITHUB_TOKEN: ${{ secrets.RELEASE_TOKEN }}
      run: |
        VERSION=${{ steps.get_version.outputs.VERSION }}
        cd .pio/build/esp32dev
        
        # Create the release first
        RELEASE_JSON=$(curl -L \
          -X POST \
          -H "Accept: application/vnd.github+json" \
          -H "Authorization: Bearer $GITHUB_TOKEN" \
          -H "X-GitHub-Api-Version: 2022-11-28" \
          "https://api.github.com/repos/$GITHUB_REPOSITORY/releases" \
          -d "{
            \"tag_name\":\"v${VERSION}\",
            \"name\":\"Release ${VERSION}\",
            \"body\":\"${{ steps.changelog.outputs.CHANGES }}\",
            \"draft\":false,
            \"prerelease\":false
          }")
        
        # Extract the upload URL from the response
        UPLOAD_URL=$(echo "$RELEASE_JSON" | jq -r .upload_url | sed 's/{?name,label}//')
        
        # Upload the binary files
        for file in filaman_${VERSION}.bin webpage_${VERSION}.bin filaman_full_${VERSION}.bin; do
          if [ -f "$file" ]; then
            echo "Uploading $file..."
            curl -L \
              -X POST \
              -H "Accept: application/vnd.github+json" \
              -H "Authorization: Bearer $GITHUB_TOKEN" \
              -H "X-GitHub-Api-Version: 2022-11-28" \
              -H "Content-Type: application/octet-stream" \
              "${UPLOAD_URL}?name=${file}" \
              --data-binary "@${file}"
          fi
        done