name: Release

on:
  push:
    tags:
      - 'v*'   # Se activa solo con tags como v1.0.0, v2.1.3, etc.

jobs:
  build:
    runs-on: ubuntu-latest
    strategy:
      matrix:
        include:
          - goos: linux
            goarch: amd64
            suffix: ""
          - goos: linux
            goarch: arm64
            suffix: ""
          - goos: windows
            goarch: amd64
            suffix: ".exe"
          - goos: darwin
            goarch: amd64
            suffix: ""
          - goos: darwin
            goarch: arm64
            suffix: ""

    steps:
      - name: Checkout
        uses: actions/checkout@v4
        with:
          fetch-depth: 0   # necesario para git describe

      - name: Setup Go
        uses: actions/setup-go@v5
        with:
          go-version: '1.22'
          cache: true

      - name: Compilar
        env:
          GOOS: ${{ matrix.goos }}
          GOARCH: ${{ matrix.goarch }}
          CGO_ENABLED: 0
        run: |
          # Nombre del binario: app-linux-amd64, app-windows-amd64.exe, etc.
          BINARY_NAME="app-${{ matrix.goos }}-${{ matrix.goarch }}${{ matrix.suffix }}"
          
          go build \
            -ldflags="-w -s \
              -X main.version=${{ gitea.ref_name }} \
              -X main.commit=${{ gitea.sha }} \
              -X main.buildDate=$(date -u +%Y-%m-%dT%H:%M:%SZ)" \
            -o "dist/${BINARY_NAME}" \
            ./cmd/main.go

      - name: Comprimir artefacto
        run: |
          cd dist
          BINARY_NAME="app-${{ matrix.goos }}-${{ matrix.goarch }}${{ matrix.suffix }}"
          
          if [ "${{ matrix.goos }}" = "windows" ]; then
            zip "${BINARY_NAME%.exe}.zip" "${BINARY_NAME}"
          else
            tar -czf "${BINARY_NAME}.tar.gz" "${BINARY_NAME}"
          fi

      - name: Subir artefacto temporal
        uses: actions/upload-artifact@v4
        with:
          name: bin-${{ matrix.goos }}-${{ matrix.goarch }}
          path: dist/*.tar.gz
          retention-days: 1

  release:
    runs-on: ubuntu-latest
    needs: build    # espera que todos los builds terminen

    steps:
      - name: Checkout
        uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - name: Descargar todos los artefactos
        uses: actions/download-artifact@v4
        with:
          path: dist/
          merge-multiple: true

      - name: Generar changelog desde commits
        id: changelog
        run: |
          # Obtener tag anterior
          PREV_TAG=$(git tag --sort=-version:refname | sed -n '2p')
          
          if [ -z "$PREV_TAG" ]; then
            CHANGES=$(git log --pretty=format:"- %s (%h)" | head -20)
          else
            CHANGES=$(git log "${PREV_TAG}..${{ gitea.ref_name }}" \
              --pretty=format:"- %s (%h)")
          fi
          
          # Guardar en archivo para el siguiente paso
          echo "${CHANGES}" > changelog.txt
          echo "prev_tag=${PREV_TAG}" >> $GITEA_OUTPUT

      - name: Crear checksums
        run: |
          cd dist
          sha256sum *.tar.gz *.zip 2>/dev/null > checksums.txt || \
          sha256sum *.tar.gz > checksums.txt
          cat checksums.txt

      - name: Crear Release en Gitea
        uses: https://gitea.com/actions/gitea-release-action@v1
        with:
          token: ${{ secrets.RELEASE_TOKEN }}
          tag_name: ${{ gitea.ref_name }}
          name: "Release ${{ gitea.ref_name }}"
          body_path: changelog.txt
          files: |
            dist/*.tar.gz
            dist/*.zip
            dist/checksums.txt