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=$(python3 -c "import json; print(json.load(open('manifest.json'))['version'])")
          echo "version=$VERSION" >> "$GITHUB_OUTPUT"

      - name: Build HACS release ZIP
        run: |
          STAGE=release_stage
          mkdir -p "$STAGE/custom_components/solar_of_things/translations"

          # Integration source files
          for f in __init__.py api.py config_flow.py const.py \
                   sensor.py number.py select.py switch.py \
                   manifest.json strings.json; do
            cp "$f" "$STAGE/custom_components/solar_of_things/$f"
          done
          cp translations/en.json "$STAGE/custom_components/solar_of_things/translations/en.json"

          # Root-level metadata / docs
          for f in hacs.json README.md LICENSE CHANGELOG.md \
                   INSTALLATION.md QUICKSTART.md \
                   CONTROL_FEATURES.md EXAMPLES.md; do
            cp "$f" "$STAGE/$f"
          done

          cd "$STAGE"
          zip -r "../solar-of-things-ha.zip" . > /dev/null
          cd ..
          echo "zip built:"
          ls -lh solar-of-things-ha.zip

      - name: Extract changelog section for this tag
        id: changelog
        run: |
          TAG="${GITHUB_REF_NAME}"
          # Grab text between the current version header and the next one
          NOTES=$(awk "/^## \[${TAG#v}\]/{flag=1; next} /^## \[/{flag=0} flag" CHANGELOG.md)
          # Fallback: use first 50 lines
          if [ -z "$NOTES" ]; then
            NOTES=$(head -50 CHANGELOG.md)
          fi
          # Write to file (handles multi-line output)
          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 (Siseli) HA Integration"
          body_path: release_notes.txt
          draft: true
          files: solar-of-things-ha.zip