name: Release

on:
  push:
    branches: [ "main" ]

jobs:
  check-release:
    runs-on: ubuntu-latest
    outputs:
      match: ${{ steps.check.outputs.match }}
      version: ${{ steps.check.outputs.version }}
    steps:
      - name: Check commit message
        id: check
        run: |
          COMMIT_MSG="${{ github.event.head_commit.message }}"
          if echo "$COMMIT_MSG" | grep -Eq 'Release [vV]?[0-9]+\.[0-9]+\.[0-9]+'; then
            # Strips "Release " and an optional "v" or "V" to isolate just the numbers
            VERSION=$(echo "$COMMIT_MSG" | grep -Eo 'Release [vV]?[0-9]+\.[0-9]+\.[0-9]+' | head -n1 | sed -E 's/Release [vV]?//')
            echo "match=true" >> $GITHUB_OUTPUT
            echo "version=$VERSION" >> $GITHUB_OUTPUT
          else
            echo "match=false" >> $GITHUB_OUTPUT
          fi

  build_gnu:
    needs: check-release
    if: needs.check-release.outputs.match == 'true'
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v3
      - uses: dtolnay/rust-toolchain@stable
        with:
          targets: x86_64-unknown-linux-gnu
      - name: Build
        run: cargo build --release --target x86_64-unknown-linux-gnu
      
      - name: Rename Raw Executable
        run: cp target/x86_64-unknown-linux-gnu/release/convertis convertis-x86_64-unknown-linux-gnu

      - name: Upload Binary for Packaging
        uses: actions/upload-artifact@v3
        with:
          name: build-gnu
          path: target/x86_64-unknown-linux-gnu/release/convertis
          
      - name: Upload Raw Executable Artifact
        uses: actions/upload-artifact@v3
        with:
          name: raw-gnu
          path: convertis-x86_64-unknown-linux-gnu

  build_musl:
    needs: check-release
    if: needs.check-release.outputs.match == 'true'
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v3
      - uses: dtolnay/rust-toolchain@stable
        with:
          targets: x86_64-unknown-linux-musl
      - name: Install cross-platform linkers
        run: |
          sudo apt-get update
          sudo apt-get install -y musl-tools
      - name: Build
        run: cargo build --release --target x86_64-unknown-linux-musl
        
      - name: Rename Raw Executable
        run: cp target/x86_64-unknown-linux-musl/release/convertis convertis-x86_64-unknown-linux-musl

      - name: Upload Binary for Packaging
        uses: actions/upload-artifact@v3
        with:
          name: build-musl
          path: target/x86_64-unknown-linux-musl/release/convertis
          
      - name: Upload Raw Executable Artifact
        uses: actions/upload-artifact@v3
        with:
          name: raw-musl
          path: convertis-x86_64-unknown-linux-musl

  build_windows:
    needs: check-release
    if: needs.check-release.outputs.match == 'true'
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v3
      - uses: dtolnay/rust-toolchain@stable
        with:
          targets: x86_64-pc-windows-gnu
      - name: Install cross-platform linkers
        run: |
          sudo apt-get update
          sudo apt-get install -y mingw-w64
      - name: Build
        run: cargo build --release --target x86_64-pc-windows-gnu

      - name: Rename Raw Executable
        run: cp target/x86_64-pc-windows-gnu/release/convertis.exe convertis-x86_64-pc-windows-gnu.exe

      - name: Upload Raw Executable Artifact
        uses: actions/upload-artifact@v3
        with:
          name: raw-windows
          path: convertis-x86_64-pc-windows-gnu.exe

  package_gnu:
    needs: [check-release, build_gnu]
    if: needs.check-release.outputs.match == 'true'
    strategy:
      matrix:
        type: [deb, rpm]
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v3
      
      - uses: dtolnay/rust-toolchain@stable
        with:
          targets: x86_64-unknown-linux-gnu

      - name: Install build dependencies
        uses: taiki-e/install-action@v2
        with:
          tool: cargo-deb,cargo-generate-rpm

      - name: Download compiled binary
        uses: actions/download-artifact@v3
        with:
          name: build-gnu
          path: target/x86_64-unknown-linux-gnu/release/

      - name: Build package
        run: |
          mkdir -p dist/
          if [ "${{ matrix.type }}" = "deb" ]; then
            cargo deb --no-build --target x86_64-unknown-linux-gnu
            cp target/x86_64-unknown-linux-gnu/debian/*.deb dist/
          elif [ "${{ matrix.type }}" = "rpm" ]; then
            cargo generate-rpm --target x86_64-unknown-linux-gnu
            cp target/x86_64-unknown-linux-gnu/generate-rpm/*.rpm dist/
          fi

      - name: Upload Package Artifact
        uses: actions/upload-artifact@v3
        with:
          name: pkg-${{ matrix.type }}-gnu
          path: dist/*

  package_musl:
    needs: [check-release, build_musl]
    if: needs.check-release.outputs.match == 'true'
    strategy:
      matrix:
        type: [deb, rpm]
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v3
      
      - uses: dtolnay/rust-toolchain@stable
        with:
          targets: x86_64-unknown-linux-musl

      - name: Install build dependencies
        uses: taiki-e/install-action@v2
        with:
          tool: cargo-deb,cargo-generate-rpm

      - name: Download compiled binary
        uses: actions/download-artifact@v3
        with:
          name: build-musl
          path: target/x86_64-unknown-linux-musl/release/

      - name: Build package
        run: |
          mkdir -p dist/
          if [ "${{ matrix.type }}" = "deb" ]; then
            cargo deb --no-build --target x86_64-unknown-linux-musl
            cp target/x86_64-unknown-linux-musl/debian/*.deb dist/
          elif [ "${{ matrix.type }}" = "rpm" ]; then
            cargo generate-rpm --target x86_64-unknown-linux-musl
            cp target/x86_64-unknown-linux-musl/generate-rpm/*.rpm dist/
          fi

      - name: Upload Package Artifact
        uses: actions/upload-artifact@v3
        with:
          name: pkg-${{ matrix.type }}-musl
          path: dist/*

  publish-release:
    needs: [check-release, build_windows, package_gnu, package_musl]
    runs-on: ubuntu-latest
    permissions:
      contents: write
      packages: write
    steps:
      - uses: actions/checkout@v3
        with:
          fetch-depth: 0
          
      - name: Download All Artifacts
        uses: actions/download-artifact@v3
        with:
          path: all-packages/
          merge-multiple: false
          
      - name: Cleanup internal build artifacts
        run: |
          rm -rf all-packages/build-gnu
          rm -rf all-packages/build-musl
          
      - name: Generate Changelog
        run: |
          LAST_TAG=$(git describe --tags --abbrev=0 2>/dev/null || git rev-list --max-parents=0 HEAD)
          git log ${LAST_TAG}..HEAD --pretty=format:"- %s (%an)" > commits.txt
          
          echo "## Changelog" > changelog.md
          
          echo "### Features" >> changelog.md
          grep -i "^- feat:" commits.txt >> changelog.md || echo "No new features" >> changelog.md
          
          echo "### Fixes" >> changelog.md
          grep -i "^- fix:" commits.txt >> changelog.md || echo "No fixes" >> changelog.md
          
          echo "### Refactoring & Chores" >> changelog.md
          grep -i "^- refactor:\|^- chore:\|^- style:" commits.txt >> changelog.md || echo "No refactoring or chores" >> changelog.md
          
          echo "### Others" >> changelog.md
          grep -vi "^- feat:\|^- fix:\|^- refactor:\|^- chore:\|^- style:" commits.txt >> changelog.md || echo "No other changes" >> changelog.md
          
      - name: Create Gitea Release
        uses: softprops/action-gh-release@v2
        with:
          tag_name: v${{ needs.check-release.outputs.version }}
          name: Release v${{ needs.check-release.outputs.version }}
          body_path: changelog.md
          files: all-packages/**/*
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
          
      - name: Publish Packages to Gitea Registry
        run: |
          GITEA_URL="${{ github.server_url }}"
          GITEA_OWNER="${{ github.repository_owner }}"
          TOKEN="${{ secrets.GITHUB_TOKEN }}"
          
          echo "Publishing RPM packages..."
          find all-packages/ -type f -name "*.rpm" | while read -r rpm_file; do
            echo "Uploading $rpm_file..."
            # Using Basic Auth (-u) as requested by Gitea Package Registry Docs
            curl -sS --fail -u "${{ github.actor }}:$TOKEN" \
                 --upload-file "$rpm_file" \
                 "$GITEA_URL/api/packages/$GITEA_OWNER/rpm/upload"
          done
          
          echo "Publishing DEB packages..."
          find all-packages/ -type f -name "*.deb" | while read -r deb_file; do
            echo "Uploading $deb_file..."
            curl -sS --fail -u "${{ github.actor }}:$TOKEN" \
                 --upload-file "$deb_file" \
                 "$GITEA_URL/api/packages/$GITEA_OWNER/debian/pool/debian/main/upload"
          done