name: Nightly

on:
  push:
    branches:
      - main
  workflow_dispatch:

permissions:
  contents: write

jobs:
  nightly:
    name: Nightly Release
    runs-on: ubuntu-latest
    steps:
      - name: Checkout code
        uses: actions/checkout@v4
        with:
          fetch-depth: 0 # needed for git describe

      - name: Setup Go
        uses: actions/setup-go@v5
        with:
          go-version: '1.24.x'
          cache: true

      - name: Get version info
        id: version
        run: |
          BASE=$(git describe --tags --abbrev=0 2>/dev/null || echo "v0.0.0")
          if [[ "$BASE" == *"-nightly"* ]]; then
            # already a nightly tag, just strip the suffix
            NEXT_BASE=${BASE%%-nightly*}
          else
            # stable tag, increment patch version
            CLEAN=${BASE%%-nightly*}
            VERSION_NUM=${CLEAN#v}
            IFS='.' read -r major minor patch <<< "$VERSION_NUM"
            patch=$((patch + 1))
            NEXT_BASE="v${major}.${minor}.${patch}"
          fi
          SHORT=$(git rev-parse --short HEAD)
          echo "version=${NEXT_BASE}-nightly.${SHORT}" >> $GITHUB_OUTPUT

      - name: Build Binaries
        run: |
          mkdir -p dist
          platforms=("linux/amd64" "linux/arm64" "darwin/amd64" "darwin/arm64")
          for platform in "${platforms[@]}"; do
            os_arch=(${platform//\// })
            GOOS=${os_arch[0]}
            GOARCH=${os_arch[1]}

            GOOS=$GOOS GOARCH=$GOARCH go build \
              -ldflags="-s -w -X github.com/versenilvis/iris/root.Version=${{ steps.version.outputs.version }}" \
              -trimpath -o "dist/iris" main.go

            cd dist
            tar -czf "iris_${GOOS}_${GOARCH}.tar.gz" "iris"
            rm "iris"
            cd ..
          done

      - name: Delete existing nightly release
        run: |
          gh release delete nightly --yes 2>/dev/null || true
          git tag -d nightly 2>/dev/null || true
          git push origin --delete nightly 2>/dev/null || true
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

      - name: Create Nightly Release
        uses: softprops/action-gh-release@v1
        with:
          tag_name: ${{ steps.version.outputs.version }}
          name: ${{ steps.version.outputs.version }}
          body: |
            # 🌙 **Nightly build** - `${{ steps.version.outputs.version }}`
            Nightly release from commit: ${{ github.sha }}

            # Update: 
            `iris update`

            > install manually, this build will **not** trigger an update notification
          files: dist/*.tar.gz
          prerelease: true
          generate_release_notes: false
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}