name: Releases

# Trigger on releases.
on:
  push:
    branches:
      - master
  pull_request:
  workflow_dispatch:
  release:
    types:
      - published
      - edited

permissions:
  contents: write
  packages: write

env:
  VERSION_PROMU: '0.17.0'

jobs:
  build:
    runs-on: windows-2022
    steps:
      - uses: actions/checkout@v4
        with:
          fetch-depth: '0'

      - uses: actions/setup-go@v5
        with:
          go-version-file: 'go.mod'

      - name: Install WiX
        run: dotnet tool install --global wix

      - name: Install WiX extensions
        run: |
          wix extension add -g WixToolset.Util.wixext
          wix extension add -g WixToolset.Ui.wixext
          wix extension add -g WixToolset.Firewall.wixext

      - name: Install Build deps
        run: |
          Invoke-WebRequest -Uri https://github.com/prometheus/promu/releases/download/v$($Env:VERSION_PROMU)/promu-$($Env:VERSION_PROMU).windows-amd64.zip -OutFile promu-$($Env:VERSION_PROMU).windows-amd64.zip
          Expand-Archive -Path promu-$($Env:VERSION_PROMU).windows-amd64.zip -DestinationPath .
          Copy-Item -Path promu-$($Env:VERSION_PROMU).windows-amd64\promu.exe -Destination "$(go env GOPATH)\bin"

          # GOPATH\bin dir must be added to PATH else the `promu` commands won't be found
          echo "$(go env GOPATH)\bin" | Out-File -FilePath $env:GITHUB_PATH -Encoding utf8 -Append

      - name: Build
        run: |
          $ErrorActionPreference = "Stop"

          $Version = git describe --tags --always
          $Version = $Version -replace 'v', ''
          # '+' symbols are invalid characters in image tags
          $Version = $Version -replace '\+', '_'
          $Version | Set-Content VERSION -PassThru

          make build-all

          # GH requires all files to have different names, so add version/arch to differentiate
          foreach($Arch in "amd64", "arm64") {
            Move-Item output\$Arch\windows_exporter.exe output\windows_exporter-$Version-$Arch.exe
          }

          Get-ChildItem -Path output

      - name: Build Release Artifacts
        run: |
          $ErrorActionPreference = "Stop"
          $Version = Get-Content VERSION

          foreach($Arch in "amd64", "arm64") {
            Write-Host "Building windows_exporter $Version msi for $Arch"
            .\installer\build.ps1 -PathToExecutable .\output\windows_exporter-$Version-$Arch.exe -Version $Version -Arch "$Arch"
          }

          Move-Item installer\*.msi output\
          Get-ChildItem -Path output\

          promu checksum output\

      - name: Upload Artifacts
        uses: actions/upload-artifact@v4
        with:
          name: windows_exporter_binaries
          path: |
            output\windows_exporter-*.exe
            output\windows_exporter-*.msi

      - name: Release
        if: startsWith(github.ref, 'refs/tags/')
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        run: |
          $TagName = $env:GITHUB_REF -replace 'refs/tags/', ''
          Get-ChildItem -Path output\* -Include @('windows_exporter*.msi', 'windows_exporter*.exe', 'sha256sums.txt') | Foreach-Object {gh release upload $TagName $_}
  docker:
    name: Build docker images
    runs-on: ubuntu-latest
    needs:
      - build
    steps:
      - uses: actions/checkout@v4
        with:
          fetch-depth: '0'

      - name: Download Artifacts
        uses: actions/download-artifact@v4
        with:
          name: windows_exporter_binaries

      - name: Login to Docker Hub
        if: ${{ github.event_name != 'pull_request' }}
        uses: docker/login-action@v3
        with:
          username: ${{ secrets.DOCKER_HUB_LOGIN }}
          password: ${{ secrets.DOCKER_HUB_PASSWORD }}

      #- name: Login to quay.io
      #  if: ${{ github.event_name != 'pull_request' }}
      #  uses: docker/login-action@v3
      #  with:
      #    registry: quay.io
      #    username: ${{ secrets.QUAY_USER }}
      #    password: ${{ secrets.QUAY_PASS }}

      - name: Login to GitHub container registry
        if: ${{ github.event_name != 'pull_request' }}
        uses: docker/login-action@v3
        with:
          registry: ghcr.io
          username: ${{ github.repository_owner }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Docker meta
        id: meta
        uses: docker/metadata-action@v5
        with:
          images: |
            ghcr.io/prometheus-community/windows-exporter
            docker.io/prometheuscommunity/windows-exporter
          # quay.io/prometheuscommunity/windows-exporter
          tags: |
            type=semver,pattern={{version}}
            type=ref,event=branch
            type=ref,event=pr
          labels: |
            org.opencontainers.image.title=windows_exporter
            org.opencontainers.image.description=A Prometheus exporter for Windows machines.
            org.opencontainers.image.vendor=The Prometheus Community
            org.opencontainers.image.licenses=MIT

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v3

      - name: Build and push
        uses: docker/build-push-action@v6
        with:
          context: .
          push: ${{ github.event_name != 'pull_request' }}
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}
          platforms: windows/amd64