name: Build and Release

on:
  workflow_dispatch:
  push:
    tags:
      - 'v*'

permissions:
  contents: read

concurrency:
  group: build-${{ github.workflow }}-${{ github.ref }}
  cancel-in-progress: false

jobs:
  ci:
    name: CI
    uses: ./.github/workflows/ci.yml

  build:
    name: Build ${{ matrix.goos }}/${{ matrix.goarch }}
    runs-on: ubuntu-24.04
    timeout-minutes: 30

    strategy:
      fail-fast: false
      matrix:
        include:
          - goos: linux
            goarch: amd64
          - goos: linux
            goarch: arm64
          - goos: windows
            goarch: amd64
          - goos: windows
            goarch: arm64

    steps:
      - name: Checkout
        uses: actions/checkout@v7

      - name: Set up Go
        uses: actions/setup-go@v7
        with:
          go-version-file: go.mod
          cache-dependency-path: go.sum

      - name: Set up Node
        uses: actions/setup-node@v6
        with:
          node-version: '22'
          cache: npm
          cache-dependency-path: cmd/telesrv-admin/web/package-lock.json

      - name: Build admin web assets
        working-directory: cmd/telesrv-admin/web
        run: |
          npm ci
          npm run build

      - name: Download Go modules
        run: go mod download

      - name: Build binaries
        env:
          CGO_ENABLED: '0'
          GOOS: ${{ matrix.goos }}
          GOARCH: ${{ matrix.goarch }}
        run: |
          mkdir -p dist

          suffix=""
          if [ "${GOOS}" = "windows" ]; then
            suffix=".exe"
          fi

          go build \
            -trimpath \
            -ldflags="-s -w" \
            -o "dist/gramsrv-${GOOS}-${GOARCH}${suffix}" \
            ./cmd/telesrv

          go build \
            -trimpath \
            -ldflags="-s -w" \
            -o "dist/gramsrv-admin-${GOOS}-${GOARCH}${suffix}" \
            ./cmd/telesrv-admin

      - name: Upload build artifact
        uses: actions/upload-artifact@v4
        with:
          name: gramsrv-${{ matrix.goos }}-${{ matrix.goarch }}
          path: dist/*
          if-no-files-found: error
          retention-days: 7

  release:
    name: Publish GitHub Release
    needs:
      - ci
      - build
    if: startsWith(github.ref, 'refs/tags/v')
    runs-on: ubuntu-24.04
    timeout-minutes: 15

    permissions:
      contents: write

    steps:
      - name: Download build artifacts
        uses: actions/download-artifact@v4
        with:
          pattern: gramsrv-*
          path: dist
          merge-multiple: true

      - name: Generate combined checksums
        working-directory: dist
        run: |
          sha256sum gramsrv-* > SHA256SUMS

      - name: Publish GitHub Release
        env:
          GH_TOKEN: ${{ github.token }}
        run: |
          gh release create "${{ github.ref_name }}" \
            dist/* \
            --title "${{ github.ref_name }}" \
            --generate-notes