name: Forgejo Build Pipeline
on:
  push:
    branches:
      - main
  schedule:
    - cron: '0 0 * * *'  # Runs daily at midnight UTC
  workflow_dispatch:      # Allow manual triggers

permissions:
  contents: write        # Required for creating releases

jobs:
  check-release:
    runs-on: ubuntu-latest
    outputs:
      new_tag: ${{ steps.get_latest_tag.outputs.tag }}
      should_build: ${{ steps.check_existing.outputs.should_build }}
    steps:
      - name: Get Latest Forgejo Tag
        id: get_latest_tag
        run: |
          LATEST_TAG=$(curl -s 'https://codeberg.org/api/v1/repos/forgejo/forgejo/releases?limit=1' | jq -r '.[0].tag_name')
          echo "tag=$LATEST_TAG" >> $GITHUB_OUTPUT
          echo "Latest Forgejo tag: $LATEST_TAG"

      - name: Check Existing Release
        id: check_existing
        uses: actions/github-script@v7
        with:
          script: |
            try {
              const tag = '${{ steps.get_latest_tag.outputs.tag }}';
              const release = await github.rest.repos.getReleaseByTag({
                owner: context.repo.owner,
                repo: context.repo.repo,
                tag: tag + '-forgejo'
              });
              core.setOutput('should_build', 'false');
            } catch (error) {
              core.setOutput('should_build', 'true');
            }

  build:
    needs: check-release
    if: needs.check-release.outputs.should_build == 'true'
    strategy:
      matrix:
        os: [ubuntu-latest, macos-latest]
    runs-on: ${{ matrix.os }}
    timeout-minutes: 120  # 2-hour timeout

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

      - name: Setup Go
        uses: actions/setup-go@v5
        with:
          go-version: '1.24.3'
          cache: true
      
      - name: Setup node.js
        uses: actions/setup-node@v3
        with:
          node-version: '20'
          cache: 'npm'

      - name: Checkout Forgejo Source
        run: |
          git clone https://codeberg.org/forgejo/forgejo.git forgejo-source
          cd forgejo-source
          git checkout ${{ needs.check-release.outputs.new_tag }}

      - name: Build Forgejo
        working-directory: forgejo-source
        run: |
          make clean
          cp -v ../net_mirror.go modules/graceful/net_mirror.go
          cp -v ../net_mirror_dialer.go modules/graceful/net_mirror_dialer.go
          cp -v ../net_mirror_unix.go modules/graceful/net_mirror_unix.go
          cp -v ../net_mirror_windows.go modules/graceful/net_mirror_windows.go
          cat ../go.mod >> go.mod
          make build
        env:
          TAGS: bindata sqlite sqlite_unlock_notify netgo osusergo
          GOFLAGS: -ldflags="-extldflags=-static"
          CO_ENABLED: 0
          
      - name: Prepare Artifact
        shell: bash
        run: |
          cd forgejo-source
          ARTIFACT_NAME="forgejo-${{ runner.os }}"
          ls -lah
          if [ "${{ runner.os }}" = "Windows" ]; then
            mv -v gitea.exe "${ARTIFACT_NAME}.exe"
          else
            mv -v gitea "${ARTIFACT_NAME}"
          fi

      - name: Upload Build Artifact
        uses: actions/upload-artifact@v4
        with:
          name: forgejo-${{ runner.os }}
          path: |
            forgejo-source/forgejo-${{ runner.os }}*
          retention-days: 1

  release:
    needs: [check-release, build]
    runs-on: ubuntu-latest
    steps:
      - name: Download All Artifacts
        uses: actions/download-artifact@v4

      - name: Create Release
        uses: softprops/action-gh-release@v2
        with:
          tag_name: ${{ needs.check-release.outputs.new_tag }}-forgejo
          name: "Forgejo ${{ needs.check-release.outputs.new_tag }}"
          body: "Automated build of Forgejo ${{ needs.check-release.outputs.new_tag }}"
          files: |
            forgejo-Linux/*
            forgejo-Windows/*
            forgejo-macOS/*
          draft: false
          prerelease: false