name: Windows Build

on:
  push:
  pull_request:

jobs:
  build:
    runs-on: windows-2019
    strategy:
      fail-fast: false
      matrix:
        platform: [x64, win32]

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

      - name: Setup Python (for gen + embedded)
        uses: actions/setup-python@v5
        with:
          python-version: "3.14.2"
          architecture: ${{ matrix.platform == 'win32' && 'x86' || 'x64' }}

      - name: Install GTK bundle
        shell: pwsh
        run: |
          $ErrorActionPreference = "Stop"

          $plat = "${{ matrix.platform }}"
          $gtkBuildRoot = "C:\gtk-build"
          $gtkLinkRoot  = Join-Path $gtkBuildRoot "gtk"
          $pyLinkRoot   = Join-Path $gtkBuildRoot "python-3.14"

          New-Item -ItemType Directory -Force -Path $gtkBuildRoot | Out-Null

          # Python junction expected by the VS projects
          $pyActual = $env:pythonLocation
          $pyTarget = Join-Path $pyLinkRoot $plat
          if (Test-Path $pyTarget) { cmd /c rmdir $pyTarget | Out-Null }
          cmd /c mklink /J "$pyTarget" "$pyActual" | Out-Null

          if ($plat -eq "x64") {
            # Pull latest GTK3 x64 bundle from wingtk/gvsbuild releases via GitHub API
            $rel = Invoke-RestMethod "https://api.github.com/repos/wingtk/gvsbuild/releases/latest"
            $asset = $rel.assets | Where-Object { $_.name -match '^GTK3_Gvsbuild_.*_x64\.zip$' } | Select-Object -First 1
            if (-not $asset) { throw "No GTK3 x64 bundle found in latest wingtk/gvsbuild release." }

            $zip = Join-Path $env:RUNNER_TEMP $asset.name
            Invoke-WebRequest $asset.browser_download_url -OutFile $zip

            $extract = "C:\gtk-bundle"
            if (Test-Path $extract) { Remove-Item -Recurse -Force $extract }
            New-Item -ItemType Directory -Force -Path $extract | Out-Null
            Expand-Archive -Force $zip -DestinationPath $extract

            # Find the *release* prefix that actually contains bin/include/lib
            $prefix = Get-ChildItem -Path $extract -Directory -Recurse |
              Where-Object {
                (Test-Path (Join-Path $_.FullName "bin")) -and
                (Test-Path (Join-Path $_.FullName "include")) -and
                (Test-Path (Join-Path $_.FullName "lib"))
              } |
              Where-Object { $_.FullName -match '\\x64\\release$' } |
              Select-Object -First 1

            if (-not $prefix) {
              # fallback: first directory containing gtk-3.0.lib
              $lib = Get-ChildItem -Path $extract -File -Recurse -Filter "gtk-3.0.lib" | Select-Object -First 1
              if (-not $lib) { throw "Could not locate gtk-3.0.lib inside extracted GTK bundle." }
              $prefix = $lib.Directory.Parent
            }

            $depsRoot = Join-Path $gtkLinkRoot "$plat\release"
            if (Test-Path $depsRoot) { cmd /c rmdir $depsRoot | Out-Null }
            New-Item -ItemType Directory -Force -Path (Split-Path $depsRoot) | Out-Null
            cmd /c mklink /J "$depsRoot" "$($prefix.FullName)" | Out-Null

            # Make sure bin is on PATH for any custom tools
            echo "$depsRoot\bin" | Out-File -FilePath $env:GITHUB_PATH -Append -Encoding utf8

            # Optional compat aliases (only if something still hardcodes GTK2/OpenSSL/libxml2 names)
            $libDir = Join-Path $depsRoot "lib"
            if (-not (Test-Path (Join-Path $libDir "gtk-win32-2.0.lib")) -and (Test-Path (Join-Path $libDir "gtk-3.0.lib"))) {
              Copy-Item (Join-Path $libDir "gtk-3.0.lib") (Join-Path $libDir "gtk-win32-2.0.lib")
            }
            if (-not (Test-Path (Join-Path $libDir "gdk-win32-2.0.lib")) -and (Test-Path (Join-Path $libDir "gdk-3.0.lib"))) {
              Copy-Item (Join-Path $libDir "gdk-3.0.lib") (Join-Path $libDir "gdk-win32-2.0.lib")
            }
            if (-not (Test-Path (Join-Path $libDir "libxml2.lib")) -and (Test-Path (Join-Path $libDir "libxml2-2.0.lib"))) {
              Copy-Item (Join-Path $libDir "libxml2-2.0.lib") (Join-Path $libDir "libxml2.lib")
            }
            if (-not (Test-Path (Join-Path $libDir "ssleay32.lib")) -and (Test-Path (Join-Path $libDir "libssl.lib"))) {
              Copy-Item (Join-Path $libDir "libssl.lib") (Join-Path $libDir "ssleay32.lib")
            }
            if (-not (Test-Path (Join-Path $libDir "libeay32.lib")) -and (Test-Path (Join-Path $libDir "libcrypto.lib"))) {
              Copy-Item (Join-Path $libDir "libcrypto.lib") (Join-Path $libDir "libeay32.lib")
            }

            # Lua headers: if deps prefix doesn't ship them, copy from repo if present
            $luaDst = Join-Path $depsRoot "include\luajit-2.1"
            if (-not (Test-Path (Join-Path $luaDst "lua.h"))) {
              $luaSrc = Join-Path $env:GITHUB_WORKSPACE "plugins\lua\luajit\src"
              if (Test-Path (Join-Path $luaSrc "lua.h")) {
                New-Item -ItemType Directory -Force -Path $luaDst | Out-Null
                Copy-Item (Join-Path $luaSrc "*.h") $luaDst -Force
              }
            }
          }
          else {
            # win32: keep your existing GTK2 path/tooling here
            # (Pin whatever you were already using for x86 builds.)
            Write-Host "win32 build: keeping GTK2 toolchain (GTK3 x86 not available in latest wingtk/gvsbuild)."
          }

      - name: Build
        shell: cmd
        run: |
          setlocal enabledelayedexpansion

          set "PLAT=${{ matrix.platform }}"
          set "PYTHON_DIR=C:\gtk-build\python-3.14\%PLAT%"

          if not exist "%PYTHON_DIR%\libs\python314.lib" (
            echo Missing %PYTHON_DIR%\libs\python314.lib
            dir "%PYTHON_DIR%\libs"
            exit /b 1
          )

          set "LIB=%PYTHON_DIR%\libs;%LIB%"
          set "INCLUDE=%PYTHON_DIR%\include;%INCLUDE%"

          msbuild win32\zoitechat.sln /m /verbosity:minimal /p:Configuration=Release /p:Platform=%PLAT%