name: Build Binaries

on:
  push:
    # Triggers on push to any tag starting with 'v' (e.g., v1.0.0)
    tags: ["v*"] 
  workflow_dispatch:

jobs:
  ## 🧪 JOB 1: Build binaries for matrix
  build:
    name: Build binaries
    runs-on: ${{ matrix.os }}
    strategy:
      matrix:
        include:
          - os: ubuntu-latest
            goos: linux
            goarch: amd64
            ext: ""
          - os: macos-latest
            goos: darwin
            goarch: arm64
            ext: ""
          - os: windows-latest
            goos: windows
            goarch: amd64
            ext: ".exe"

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

      - name: Set up Go
        uses: actions/setup-go@v4
        with:
          go-version: '1.25'

      - name: Cache Go modules
        uses: actions/cache@v4
        with:
          path: |
            ~/.cache/go-build
            /go/pkg/mod
          key: ${{ runner.os }}-go-${{ hashFiles('**/go.sum') }}
          restore-keys: |
            ${{ runner.os }}-go-

      - name: Build (Linux/macOS)
        if: runner.os != 'Windows'
        env:
          GOOS: ${{ matrix.goos }}
          GOARCH: ${{ matrix.goarch }}
          CGO_ENABLED: 0
        run: |
          # Ensure the Go binary name matches the downloaded asset name later
          BIN_NAME="devclean"
          
          mkdir -p release
          out="release/$BIN_NAME-${{ matrix.goos }}-${{ matrix.goarch }}${{ matrix.ext }}"
          echo "Building $out"
          go build -ldflags="-s -w" -o "$out"

      - name: Build (Windows)
        if: runner.os == 'Windows'
        env:
          GOOS: ${{ matrix.goos }}
          GOARCH: ${{ matrix.goarch }}
          CGO_ENABLED: 0
        run: |
          $BIN_NAME = "devclean"
          
          mkdir -p release
          $out = "release/$BIN_NAME-${{ matrix.goos }}-${{ matrix.goarch }}${{ matrix.ext }}"
          Write-Host "Building $out"
          go build -ldflags="-s -w" -o $out
        shell: pwsh

      - name: Upload artifact
        uses: actions/upload-artifact@v4
        with:
          name: devclean-${{ matrix.goos }}-${{ matrix.goarch }}
          # The path must match the output file name
          path: release/devclean-${{ matrix.goos }}-${{ matrix.goarch }}${{ matrix.ext }}

  # JOB 2: Create Release and upload assets (UPDATED LOGIC)
  release:
    name: Create Release and upload assets
    needs: build
    runs-on: ubuntu-latest
    
    # CONDITION: Only runs when triggered by a tag push
    if: startsWith(github.ref, 'refs/tags/')
    
    # FIX: Grant write permission for the gh CLI to create the release
    permissions:
      contents: write 
      
    steps:
      - name: Checkout repository
        uses: actions/checkout@v4
        
      - name: Download built artifacts
        uses: actions/download-artifact@v4
        with:
          path: release
          # Merges all artifacts into the single 'release' directory
          merge-multiple: true 

      - name: Create GitHub Release and Upload Assets (gh CLI)
        # FIX: Uses the gh CLI logic for a single, robust step
        env:
          # Pass the token as an environment variable for the 'gh' command
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        run: |
          TAG_NAME="${{ github.ref_name }}"
          RELEASE_TITLE="$TAG_NAME"
          RELEASE_BODY="Automated release for $TAG_NAME"
          
          echo "Creating GitHub Release $TAG_NAME..."
          
          # 1. Create the release (using the tag that triggered the workflow)
          gh release create "$TAG_NAME" \
            --title "$RELEASE_TITLE" \
            --notes "$RELEASE_BODY" \
            --draft=false \
            --prerelease=false \
            release/*
          
          echo "Release $TAG_NAME created successfully with assets."