name: Release

on:
    workflow_dispatch:
        inputs:
            run_id:
                description: 'Build workflow run ID to download artifacts from'
                required: true
                type: string
            release_notes:
                description: 'Release notes (optional, overrides release/version.json changeLog)'
                required: false
                type: string

permissions:
    contents: write

jobs:
    release:
        runs-on: ubuntu-latest
        steps:
            - uses: actions/checkout@v4

            - name: Download all artifacts from build run
              env:
                  GH_TOKEN: ${{ github.token }}
              run: |
                  mkdir -p artifacts
                  gh run download ${{ inputs.run_id }} --dir artifacts

            - name: Read build metadata
              id: meta
              run: |
                  META_FILE="artifacts/build-meta/build-meta.json"
                  if [ ! -f "$META_FILE" ]; then
                    echo "::error::build-meta.json not found. Make sure the build workflow completed successfully."
                    exit 1
                  fi
                  VERSION=$(jq -r '.version' "$META_FILE")
                  BRANCH=$(jq -r '.branch' "$META_FILE")
                  COMMIT=$(jq -r '.commit' "$META_FILE")
                  echo "version=$VERSION" >> $GITHUB_OUTPUT
                  echo "branch=$BRANCH" >> $GITHUB_OUTPUT
                  echo "commit=$COMMIT" >> $GITHUB_OUTPUT
                  echo "tag=v$VERSION" >> $GITHUB_OUTPUT
                  # Auto-detect prerelease from branch name
                  if [[ "$BRANCH" == *"dev"* ]] || [[ "$BRANCH" == *"beta"* ]] || [[ "$BRANCH" == *"alpha"* ]]; then
                    echo "prerelease=true" >> $GITHUB_OUTPUT
                  else
                    echo "prerelease=false" >> $GITHUB_OUTPUT
                  fi

            - name: Generate release notes
              id: notes
              env:
                  RELEASE_NOTES_INPUT: ${{ inputs.release_notes }}
              run: |
                  if [ -n "$RELEASE_NOTES_INPUT" ]; then
                    printf '%s\n' "$RELEASE_NOTES_INPUT" > release-notes.md
                  else
                    jq -r '.changeLog | join("\n")' release/version.json > release-notes.md
                  fi
                  echo "=== Release notes ==="
                  cat release-notes.md

            - name: Collect release assets
              run: |
                  mkdir -p release-assets
                  find artifacts -type f \( -name "*.exe" -o -name "*.zip" -o -name "*.dmg" -o -name "*.deb" -o -name "*.rpm" \) -exec cp {} release-assets/ \;
                  echo "=== Release assets ==="
                  ls -lh release-assets/

            - name: Create tag
              env:
                  GH_TOKEN: ${{ github.token }}
              run: |
                  TAG="${{ steps.meta.outputs.tag }}"
                  COMMIT="${{ steps.meta.outputs.commit }}"
                  # Check if tag already exists
                  if gh api "repos/${{ github.repository }}/git/refs/tags/${TAG}" &>/dev/null; then
                    echo "::error::Tag ${TAG} already exists. Aborting."
                    exit 1
                  fi
                  gh api "repos/${{ github.repository }}/git/refs" \
                    -X POST \
                    -f ref="refs/tags/${TAG}" \
                    -f sha="${COMMIT}"

            - name: Create GitHub Draft Release
              env:
                  GH_TOKEN: ${{ github.token }}
              run: |
                  gh release create "${{ steps.meta.outputs.tag }}" \
                    --title "MusicFree ${{ steps.meta.outputs.version }}" \
                    --notes-file release-notes.md \
                    --draft \
                    ${{ steps.meta.outputs.prerelease == 'true' && '--prerelease' || '' }} \
                    release-assets/*