name: Windows MSI (WiX v7)

on:
  workflow_dispatch:
    inputs:
      run_id:
        description: "Run ID of 'Windows Build' (leave empty for the latest successful run)"
        required: false
        default: ""

jobs:
  build-msi:
    name: Build MSI with WiX v7
    runs-on: windows-latest

    steps:
      # ----------------------------------------------------------------
      # 1. Checkout (to retrieve QElectroTech.wxs and sources)
      # ----------------------------------------------------------------
      - name: Checkout
        uses: actions/checkout@v4
        with:
          fetch-depth: 0

      # ----------------------------------------------------------------
      # 2. Download the portable artifact from the main build
      #    Requires windows-build.yml to upload an artifact named
      #    "qelectrotech-windows-portable" (fixed name)
      # ----------------------------------------------------------------
      - name: Download portable artifact
        uses: actions/download-artifact@v4
        with:
          name: qelectrotech-windows-portable
          path: artifact\files
          run-id: ${{ github.event.inputs.run_id || github.run_id }}
          github-token: ${{ secrets.GITHUB_TOKEN }}
          repository: ${{ github.repository }}

      # ----------------------------------------------------------------
      # 3. Extract version from sources
      # ----------------------------------------------------------------
      - name: Extract version
        id: version
        shell: pwsh
        run: |
          # Version from qetversion.cpp (same logic as windows-build.yml)
          $src = Get-Content "sources\qetversion.cpp" -Raw -ErrorAction SilentlyContinue
          if ($src -match 'return QVersionNumber\{([^}]+)\}') {
            $ver = $Matches[1] -replace '\s','' -replace ',','.'
          } else {
            # Fallback: CMakeLists.txt
            $cmake = Get-Content "CMakeLists.txt" -Raw
            if ($cmake -match 'project\s*\([^)]*VERSION\s+([\d]+\.[\d]+\.[\d]+)') {
              $ver = $Matches[1]
            } else {
              $ver = "0.0.0"
            }
          }

          # Numeric MSI version: 4 digits required (e.g. 0.100.1.0)
          $verMsi = "$ver.0"

          # Short SHA for the display version
          $sha = git rev-parse --short HEAD 2>$null
          if (-not $sha) { $sha = "unknown" }

          # Cumulative revision number (same calculation as windows-build.yml)
          $count = git rev-list HEAD --count 2>$null
          $rev = [int]$count + 473

          $verDisplay = "${ver}-r${rev}-${sha}_x86_64-win64"

          echo "VERSION_MSI=$verMsi"          >> $env:GITHUB_OUTPUT
          echo "VERSION_DISPLAY=$verDisplay"  >> $env:GITHUB_OUTPUT
          Write-Host "Version MSI     : $verMsi"
          Write-Host "Version display : $verDisplay"

      # ----------------------------------------------------------------
      # 4. Install WiX v7, accept EULA and install WixUI extension
      #    All done in one step: PATH is updated within the same step
      #    so wix is immediately available for eula and extension commands
      # ----------------------------------------------------------------
      - name: Install WiX v7
        shell: pwsh
        run: |
          dotnet tool install --global wix --version 7.0.0
          # Update PATH immediately for the rest of this step
          $toolsPath = [System.IO.Path]::Combine($env:USERPROFILE, '.dotnet', 'tools')
          $env:PATH = "$toolsPath;$env:PATH"
          # Also export for subsequent steps
          echo $toolsPath >> $env:GITHUB_PATH
          # Accept OSMF EULA (official CI/CD method: writes a sentinel file)
          wix eula accept wix7
          # Install WixUI extension
          wix extension add WixToolset.UI.wixext/7.0.0
          Write-Host "WiX v7 installed, EULA accepted, UI extension added."

      # ----------------------------------------------------------------
      # 5. Check that the WXS file exists in the repository
      # ----------------------------------------------------------------
      - name: Check WXS file
        shell: pwsh
        run: |
          $wxs = "build-aux\windows\QElectroTech.wxs"
          if (-not (Test-Path $wxs)) {
            Write-Error "WXS file not found: $wxs"
            Write-Host "Contents of build-aux\windows\ :"
            Get-ChildItem "build-aux\windows\" -ErrorAction SilentlyContinue
            exit 1
          }
          Write-Host "WXS found: $wxs"

      # ----------------------------------------------------------------
      # 6. Check the artifact structure and locate files/
      # ----------------------------------------------------------------
      - name: Check artifact structure
        shell: pwsh
        run: |
          Write-Host "=== Contents of artifact\files (2 levels) ==="
          Get-ChildItem -Path "artifact\files" -Depth 2 |
            Select-Object FullName | Format-Table -AutoSize

          # Search for qelectrotech.exe in the artifact
          $exe = Get-ChildItem -Path "artifact\files" -Filter "qelectrotech.exe" -Recurse | Select-Object -First 1
          if (-not $exe) {
            Write-Error "qelectrotech.exe not found in artifact"
            exit 1
          }
          Write-Host "Executable: $($exe.FullName) ($([math]::Round($exe.Length/1MB,1)) MB)"

          # FilesDir = folder containing bin\
          $binDir   = $exe.Directory.FullName
          $filesDir = Split-Path $binDir -Parent

          echo "FILES_DIR=$filesDir" >> $env:GITHUB_ENV
          Write-Host "FILES_DIR: $filesDir"

      # ----------------------------------------------------------------
      # 7. Build the MSI
      # ----------------------------------------------------------------
      - name: Build MSI
        shell: pwsh
        run: |
          $version    = "${{ steps.version.outputs.VERSION_MSI }}"
          $verDisplay = "${{ steps.version.outputs.VERSION_DISPLAY }}"
          $filesDir   = $env:FILES_DIR
          $wxs        = "build-aux\windows\QElectroTech.wxs"
          $outputName = "QElectroTech-${verDisplay}.msi"

          New-Item -ItemType Directory -Force -Path "dist" | Out-Null

          Write-Host "=== wix build ==="
          Write-Host "  WXS         : $wxs"
          Write-Host "  Version     : $version"
          Write-Host "  FilesDir    : $filesDir"
          Write-Host "  Output      : dist\$outputName"

          wix build $wxs `
            -arch x64 `
            -d "Version=$version" `
            -d "ProductVersion=$verDisplay" `
            -d "FilesDir=$filesDir" `
            -ext WixToolset.UI.wixext `
            -o "dist\$outputName"

          if (-not (Test-Path "dist\$outputName")) {
            Write-Error "MSI not generated: dist\$outputName"
            exit 1
          }

          $size = [math]::Round((Get-Item "dist\$outputName").Length / 1MB, 1)
          Write-Host "MSI generated: dist\$outputName ($size MB) ✓"
          echo "MSI_NAME=$outputName" >> $env:GITHUB_ENV

      # ----------------------------------------------------------------
      # 8. Upload the MSI artifact
      # ----------------------------------------------------------------
      - name: Upload MSI artifact
        uses: actions/upload-artifact@v4
        with:
          name: qelectrotech-windows-msi
          path: dist\*.msi
          retention-days: 14
          if-no-files-found: error

      # ----------------------------------------------------------------
      # 9. Summary
      # ----------------------------------------------------------------
      - name: Summary
        if: always()
        shell: pwsh
        run: |
          Write-Host "=== MSI build summary ==="
          Write-Host "Version      : ${{ steps.version.outputs.VERSION_DISPLAY }}"
          Write-Host "WiX          : v7.0.0"
          Write-Host "Runner image : ${{ runner.os }} / ${{ runner.arch }}"
          if (Test-Path "dist\$env:MSI_NAME") {
            $size = [math]::Round((Get-Item "dist\$env:MSI_NAME").Length / 1MB, 1)
            Write-Host "MSI          : $env:MSI_NAME ($size MB) ✓"
          } else {
            Write-Host "MSI          : FAILED ✗"
          }