name: Release

on:
  push:
    tags:
      - "v*.*.*"

permissions:
  contents: write

jobs:
  release:
    name: Build & publish GitHub release
    runs-on: ubuntu-latest

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

      - name: Read version from manifest
        id: version
        run: |
          VERSION=$(python3 -c "import json; print(json.load(open('custom_components/solar_of_things/manifest.json'))['version'])")
          echo "version=$VERSION" >> "$GITHUB_OUTPUT"
          echo "Building release for version $VERSION"

      - name: Build HACS release ZIP
        run: |
          # ZIP contains the full custom_components tree so HACS / manual users
          # can extract directly into their HA config directory.
          zip -r solar-of-things-ha.zip custom_components/solar_of_things/ \
            -x "*.pyc" -x "__pycache__/*"
          echo "ZIP contents:"
          unzip -l solar-of-things-ha.zip

      - name: Extract changelog section for this tag
        id: changelog
        run: |
          TAG="${GITHUB_REF_NAME}"
          VER="${TAG#v}"
          # Grab lines between current version header and next version header
          NOTES=$(awk "/^## \[${VER}\]/{flag=1; next} /^## \[/{flag=0} flag" CHANGELOG.md)
          if [ -z "$NOTES" ]; then
            NOTES=$(head -60 CHANGELOG.md)
          fi
          printf '%s' "$NOTES" > release_notes.txt
          echo "notes_file=release_notes.txt" >> "$GITHUB_OUTPUT"

      - name: Create GitHub Release & upload asset
        uses: softprops/action-gh-release@v2
        with:
          tag_name: ${{ github.ref_name }}
          name: "${{ github.ref_name }} — Solar of Things HA Integration"
          body_path: release_notes.txt
          draft: false
          files: solar-of-things-ha.zip