[CmdletBinding()]
param(
    [string]$OutputName = 'integrated_platform-win64'
)

Set-StrictMode -Version Latest
$ErrorActionPreference = 'Stop'

$projectRoot = Split-Path -Parent $PSScriptRoot
$qtRoot = if ($env:QTDIR) { $env:QTDIR } else { 'D:\Qt5.15.2\5.15.2\mingw81_64' }
$mingwBin = 'D:\Qt5.15.2\Tools\mingw810_64\bin'
$qmakePath = Join-Path $qtRoot 'bin\qmake.exe'
$makePath = Join-Path $mingwBin 'mingw32-make.exe'
$pluginDirectory = Join-Path $qtRoot 'plugins'
$platformPlugin = Join-Path $pluginDirectory 'platforms\qwindows.dll'
$stylePlugin = Join-Path $pluginDirectory 'styles\qwindowsvistastyle.dll'
$qtProjectFile = Join-Path $projectRoot 'app\integrated_platform.pro'
$runtimeBuildRoot = Join-Path $projectRoot 'build\runtime-export'
$buildDirectory = Join-Path $runtimeBuildRoot ([guid]::NewGuid().ToString('N'))
$executablePath = Join-Path $buildDirectory 'release\integrated_platform.exe'
$packageRoot = Join-Path $projectRoot 'build\package'

foreach ($requiredPath in @($qmakePath, $makePath, $platformPlugin, $stylePlugin, $qtProjectFile)) {
    if (-not (Test-Path -LiteralPath $requiredPath)) {
        throw "未找到必要文件：$requiredPath"
    }
}

if ([string]::IsNullOrWhiteSpace($OutputName) -or
    $OutputName -in @('.', '..') -or
    $OutputName.IndexOfAny([System.IO.Path]::GetInvalidFileNameChars()) -ge 0 -or
    [System.IO.Path]::GetFileName($OutputName) -ne $OutputName) {
    throw "输出名称不是有效的 Windows 文件名：$OutputName"
}

$packageDirectory = Join-Path $packageRoot $OutputName
$archivePath = Join-Path $packageRoot "$OutputName.zip"
$resolvedProjectRoot = [System.IO.Path]::GetFullPath($projectRoot).TrimEnd('\')
$resolvedPackageRoot = [System.IO.Path]::GetFullPath($packageRoot).TrimEnd('\')
$resolvedPackageDirectory = [System.IO.Path]::GetFullPath($packageDirectory)
if (-not $resolvedPackageRoot.StartsWith("$resolvedProjectRoot\build\", [System.StringComparison]::OrdinalIgnoreCase) -or
    [System.IO.Path]::GetDirectoryName($resolvedPackageDirectory) -ne $resolvedPackageRoot) {
    throw "打包目录必须是 build\package 的直接子目录：$resolvedPackageDirectory"
}

New-Item -ItemType Directory -Path $buildDirectory -Force | Out-Null
New-Item -ItemType Directory -Path $packageRoot -Force | Out-Null

$originalPath = $env:Path
$env:Path = "$qtRoot\bin;$mingwBin;$env:Path"

try {
    Push-Location $buildDirectory
    try {
        Write-Host 'RUNTIME_EXPORT_STAGE: qmake'
        & $qmakePath $qtProjectFile 'CONFIG+=release' 'CONFIG-=debug'
        if ($LASTEXITCODE -ne 0) {
            throw "qmake 执行失败，退出码：$LASTEXITCODE"
        }

        Write-Host 'RUNTIME_EXPORT_STAGE: compile'
        & $makePath -j2
        if ($LASTEXITCODE -ne 0) {
            throw "mingw32-make 执行失败，退出码：$LASTEXITCODE"
        }
    }
    finally {
        Pop-Location
    }

    if (-not (Test-Path -LiteralPath $executablePath)) {
        throw "未生成可执行文件：$executablePath"
    }

    if (Test-Path -LiteralPath $packageDirectory) {
        Remove-Item -LiteralPath $packageDirectory -Recurse -Force
    }
    if (Test-Path -LiteralPath $archivePath) {
        Remove-Item -LiteralPath $archivePath -Force
    }

    Write-Host 'RUNTIME_EXPORT_STAGE: package'
    New-Item -ItemType Directory -Path $packageDirectory | Out-Null
    $packagedExecutable = Join-Path $packageDirectory 'integrated_platform.exe'
    Copy-Item -LiteralPath $executablePath -Destination $packagedExecutable
    $runtimeFiles = @(
        'Qt5Core.dll', 'Qt5Gui.dll', 'Qt5Network.dll',
        'Qt5SerialBus.dll', 'Qt5SerialPort.dll', 'Qt5Widgets.dll',
        'libgcc_s_seh-1.dll', 'libstdc++-6.dll', 'libwinpthread-1.dll'
    )
    foreach ($runtimeFile in $runtimeFiles) {
        $runtimeSource = Join-Path $(if ($runtimeFile -like 'Qt5*') { "$qtRoot\bin" } else { $mingwBin }) $runtimeFile
        if (-not (Test-Path -LiteralPath $runtimeSource)) {
            throw "未找到运行库：$runtimeSource"
        }
        Copy-Item -LiteralPath $runtimeSource -Destination $packageDirectory
    }

    $packagedPlatformDirectory = Join-Path $packageDirectory 'platforms'
    $packagedStyleDirectory = Join-Path $packageDirectory 'styles'
    New-Item -ItemType Directory -Path $packagedPlatformDirectory | Out-Null
    New-Item -ItemType Directory -Path $packagedStyleDirectory | Out-Null
    Copy-Item -LiteralPath $platformPlugin -Destination $packagedPlatformDirectory
    Copy-Item -LiteralPath $stylePlugin -Destination $packagedStyleDirectory

    Write-Host 'RUNTIME_EXPORT_STAGE: verify'
    foreach ($requiredOutput in @(
        $packagedExecutable,
        (Join-Path $packageDirectory 'Qt5Core.dll'),
        (Join-Path $packageDirectory 'Qt5SerialBus.dll'),
        (Join-Path $packagedPlatformDirectory 'qwindows.dll')
    )) {
        if (-not (Test-Path -LiteralPath $requiredOutput)) {
            throw "打包结果缺少必要文件：$requiredOutput"
        }
    }

    Compress-Archive -LiteralPath $packageDirectory -DestinationPath $archivePath -CompressionLevel Optimal

    Write-Host "打包完成"
    Write-Host "运行目录：$packageDirectory"
    Write-Host "压缩包：$archivePath"
}
finally {
    $env:Path = $originalPath
}