name: Release

on:
  push:
    branches:
      - main
    tags:
      - 'v*'

jobs:
  build:
    name: Build and Release
    runs-on: ubuntu-latest
    steps:
      - name: Checkout code
        uses: actions/checkout@v4

      - name: Install Rust
        uses: actions-rust-lang/setup-rust-toolchain@v1
        with:
          toolchain: stable
          cache: false

      - name: Get Version
        id: get_version
        run: |
          VERSION=$(grep '^version =' Cargo.toml | head -n1 | cut -d '"' -f 2)
          echo "VERSION=$VERSION" >> $GITHUB_OUTPUT
          if [[ "${{ github.ref }}" == refs/tags/v* ]]; then
            echo "TAG=${{ github.ref_name }}" >> $GITHUB_OUTPUT
          else
            echo "TAG=v$VERSION" >> $GITHUB_OUTPUT
          fi

      - name: Check if Release Exists
        id: check_release
        shell: bash
        run: |
          # Use curl to check if a release for the current TAG already exists on Gitea
          # This prevents the workflow from failing if a push to main doesn't update the version
          # Assuming standard Gitea API (e.g., https://gitea.example.com/api/v1/repos/{owner}/{repo}/releases/tags/{tag})
          # github.repository is usually 'owner/repo'
          HTTP_STATUS=$(curl -s -o /dev/null -w "%{http_code}" \
            -H "Authorization: token ${{ secrets.GITHUB_TOKEN }}" \
            "${{ github.server_url }}/api/v1/repos/${{ github.repository }}/releases/tags/${{ steps.get_version.outputs.TAG }}")
          
          if [ "$HTTP_STATUS" = "200" ]; then
            echo "EXISTS=true" >> $GITHUB_OUTPUT
            echo "Release already exists for tag ${{ steps.get_version.outputs.TAG }}. Skipping creation."
          else
            echo "EXISTS=false" >> $GITHUB_OUTPUT
          fi

      - name: Build
        if: steps.check_release.outputs.EXISTS == 'false'
        run: cargo build --release

      - name: Create Release
        if: steps.check_release.outputs.EXISTS == 'false'
        id: create_release
        uses: https://github.com/actions/create-release@v1
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        with:
          tag_name: ${{ steps.get_version.outputs.TAG }}
          release_name: Release ${{ steps.get_version.outputs.TAG }}
          body: |
            Automated release for version ${{ steps.get_version.outputs.VERSION }}
            Commit: ${{ github.sha }}
            Branch: ${{ github.ref_name }}
          draft: false
          prerelease: false

      - name: Upload Release Asset
        if: steps.check_release.outputs.EXISTS == 'false'
        uses: https://github.com/actions/upload-release-asset@v1
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        with:
          upload_url: ${{ steps.create_release.outputs.upload_url }}
          asset_path: ./target/release/cenv
          asset_name: cenv-${{ steps.get_version.outputs.TAG }}-linux-amd64
          asset_content_type: application/octet-stream