param(
    [ValidateSet("msvc")]
    [string]$Toolchain = "msvc",
    [string]$BuildDir = "$PSScriptRoot\..\build-windows",
    [string]$DistDir = "$PSScriptRoot\..\dist-windows"
)

$ErrorActionPreference = "Stop"

$ProjectRoot = Resolve-Path "$PSScriptRoot\.."
$BuildDir = [System.IO.Path]::GetFullPath($BuildDir)
$DistDir = [System.IO.Path]::GetFullPath($DistDir)
$PackageName = "chengnan-windows-x86_64"
$PackageDir = Join-Path $DistDir $PackageName
$ZipPath = Join-Path $DistDir "$PackageName.zip"
$HashPath = "$ZipPath.sha256"

Write-Host "[package] ProjectRoot: $ProjectRoot"
Write-Host "[package] BuildDir:    $BuildDir"
Write-Host "[package] DistDir:     $DistDir"

& "$ProjectRoot\docs\windows\build-windows.ps1" -Toolchain $Toolchain -BuildDir $BuildDir -Deploy

$DeployDir = Join-Path $BuildDir "deploy"
$Exe = Join-Path $DeployDir "chengnan.exe"
if (!(Test-Path $Exe)) {
    throw "未找到部署后的 Windows 可执行文件：$Exe"
}

if (Test-Path $PackageDir) { Remove-Item -Recurse -Force $PackageDir }
if (Test-Path $ZipPath) { Remove-Item -Force $ZipPath }
if (Test-Path $HashPath) { Remove-Item -Force $HashPath }
New-Item -ItemType Directory -Force -Path $DistDir | Out-Null
Copy-Item -Recurse -Force $DeployDir $PackageDir

$ReadmePath = Join-Path $PackageDir "README.txt"
@"
chengnan Windows x86_64 发布包

运行方式：
1. 解压整个目录。
2. 双击 chengnan.exe 运行。

说明：
- 本目录已包含 Qt 运行时和 OpenCV DLL。
- 请不要只复制 chengnan.exe，需保留同目录 DLL 和 Qt plugins 子目录。
"@ | Set-Content -Encoding UTF8 $ReadmePath

Compress-Archive -Path (Join-Path $PackageDir "*") -DestinationPath $ZipPath -Force

$Hash = Get-FileHash -Algorithm SHA256 $ZipPath
"$($Hash.Hash.ToLower())  $(Split-Path -Leaf $ZipPath)" | Set-Content -Encoding ASCII $HashPath

if (!(Test-Path $ZipPath) -or ((Get-Item $ZipPath).Length -le 0)) {
    throw "发布包生成失败：$ZipPath"
}

Write-Host "[package] 发布包：$ZipPath"
Write-Host "[package] 校验文件：$HashPath"