name: Build & Release MSI

on:
  push:
    tags:
      - 'v*'

jobs:
  build-msi:
    runs-on: windows-latest
    permissions:
      contents: write

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

      - name: Extract version (strip leading v)
        id: ver
        shell: pwsh
        run: |
          $tag = "${{ github.ref_name }}"
          $ver = $tag.TrimStart('v')
          # WiX requires 4-part version (Major.Minor.Patch.Build)
          if ($ver -notmatch '^\d+\.\d+\.\d+\.\d+$') { $ver = "$ver.0" }
          echo "VERSION=$ver" >> $env:GITHUB_OUTPUT
          echo "TAG=$tag"     >> $env:GITHUB_OUTPUT

      - name: Prepare staging directory
        shell: pwsh
        run: |
          $stage = "${{ runner.temp }}\stage"
          New-Item -ItemType Directory -Force $stage | Out-Null
          # Copy everything except .git, .github, installer
          Get-ChildItem -Path . -Exclude '.git','.github','installer' |
            Copy-Item -Destination $stage -Recurse -Force

      - name: Install WiX Toolset v4
        shell: pwsh
        run: |
          dotnet tool install --global wix
          wix extension add WixToolset.UI.wixext --global

      - name: Build MSI
        shell: pwsh
        run: |
          $stage       = "${{ runner.temp }}\stage"
          $installerDir = "${{ github.workspace }}\installer"
          $msiName     = "IntuneManager-${{ steps.ver.outputs.TAG }}.msi"
          wix build installer\Intune-Manager.wxs `
            -d Version=${{ steps.ver.outputs.VERSION }} `
            -d SourceDir=$stage `
            -d InstallerDir=$installerDir `
            -o $msiName
          echo "MSI_NAME=$msiName" >> $env:GITHUB_OUTPUT
        id: build

      - name: Create GitHub Release
        uses: softprops/action-gh-release@v2
        with:
          name: "Intune Manager ${{ steps.ver.outputs.TAG }}"
          body: |
            ## Intune Manager ${{ steps.ver.outputs.TAG }}

            ### Installation
            1. `IntuneManager-${{ steps.ver.outputs.TAG }}.msi` herunterladen
            2. Doppelklick → Installer folgen
            3. Intune Manager über das Startmenü starten

            ### Voraussetzungen
            - Windows 10/11
            - PowerShell 5.1 oder 7+
            - `Microsoft.Graph.Authentication` Modul (wird beim ersten Start automatisch angeboten)
          files: "IntuneManager-${{ steps.ver.outputs.TAG }}.msi"
          generate_release_notes: false