param(
    # 不传时自动从 XplorePlane.csproj 的 <Version> 读取，传入则覆盖工程配置（用于临时测试版本号）
    [string]$Version,

    # Keep the technical PackId stable so existing Velopack installations can update.
    [string]$PackId = "Hexagon.XplorePlane",

    [string]$PackTitle = "XplorePlane",

    [string]$PackAuthors = "Hexagon",

    [string]$MainExe = "XplorePlane.exe",

    [string]$DeployDir = "C:\wamp64\www\updates\xploreplane",

    [switch]$SkipBuild,

    # By default also generate an MSI installer so the user can choose the install location.
    # Use -NoMsi when only the per-user Setup.exe is required.
    [switch]$NoMsi,

    [ValidateSet("Either", "PerUser", "PerMachine")]
    [string]$InstallLocation = "Either",

    [string]$Configuration = "Release",

    [string]$RuntimeId = "win-x64"
)

$ErrorActionPreference = "Stop"
$RepoRoot = (Resolve-Path (Join-Path $PSScriptRoot "..")).Path
$ProjectPath = Join-Path $RepoRoot "XplorePlane\XplorePlane.csproj"
$PublishDir = Join-Path $RepoRoot "publish"
$ReleasesDir = Join-Path $RepoRoot "Releases"

# 版本号来源：命令行 -Version 优先，否则从 csproj 的 <Version> 属性读取，
# 确保发布包版本号与工程配置保持单一来源，不再需要每次手动传参维护。
if (-not $Version) {
    Write-Host "Reading version from csproj..." -ForegroundColor DarkGray
    $Version = (dotnet msbuild $ProjectPath -nologo -getProperty:Version).Trim()
    if ($LASTEXITCODE -ne 0 -or -not $Version) {
        Write-Host "FAILED: Could not read <Version> from $ProjectPath. Pass -Version explicitly or add <Version> to the csproj." -ForegroundColor Red
        exit 1
    }
}

Write-Host ""
Write-Host "========================================================" -ForegroundColor Cyan
Write-Host "  XplorePlane Build and Release Script" -ForegroundColor Cyan
Write-Host "========================================================" -ForegroundColor Cyan
Write-Host "  Version:    $Version" -ForegroundColor Cyan
Write-Host "  PackId:     $PackId" -ForegroundColor Cyan
Write-Host "  PackTitle:  $PackTitle" -ForegroundColor Cyan
Write-Host "  Publisher:  $PackAuthors" -ForegroundColor Cyan
Write-Host "  Config:     $Configuration" -ForegroundColor Cyan
Write-Host "  Runtime:    $RuntimeId" -ForegroundColor Cyan
Write-Host "  MSI:        $(-not $NoMsi)" -ForegroundColor Cyan
if (-not $NoMsi) { Write-Host "  Install scope: $InstallLocation" -ForegroundColor Cyan }
Write-Host "  DeployDir:  $DeployDir" -ForegroundColor Cyan
Write-Host "========================================================" -ForegroundColor Cyan
Write-Host ""

# Step 1: Clean
# 仅在即将重新构建时清理 publish 目录：-SkipBuild 场景下需要复用已有的发布产物
# （例如仅因 vpk 打包阶段文件占用失败而重试），此前无条件清理会导致 -SkipBuild
# 传入后必然因目录被清空而报错，参数形同虚设。
if (-not $SkipBuild) {

    Write-Host "[1/5] Cleaning publish directory..." -ForegroundColor Yellow
    if (Test-Path $PublishDir) { Remove-Item $PublishDir -Recurse -Force }
} else {
    Write-Host "[1/5] Skipped clean (-SkipBuild, reusing existing publish directory)" -ForegroundColor DarkGray
}

# Step 2: Build and Publish
if (-not $SkipBuild) {
    Write-Host "[2/5] Building and publishing ($Configuration, $RuntimeId)..." -ForegroundColor Yellow
    dotnet publish $ProjectPath -c $Configuration --self-contained -r $RuntimeId -o $PublishDir -p:Version=$Version
    if ($LASTEXITCODE -ne 0) {
        Write-Host "FAILED: dotnet publish failed!" -ForegroundColor Red
        exit 1
    }
    Write-Host "OK: Build succeeded" -ForegroundColor Green
} else {
    Write-Host "[2/5] Skipped build (-SkipBuild)" -ForegroundColor DarkGray
    if (-not (Test-Path $PublishDir)) {
        Write-Host "FAILED: publish directory not found, run without -SkipBuild first" -ForegroundColor Red
        exit 1
    }
}

# Ensure the packaged application starts with the virtual navigation camera.
# Navigation camera settings are stored in config.json, not App.config.
$cameraConfigPath = Join-Path $PublishDir "config.json"
$cameraConfig = [ordered]@{
    Language = "zh-CN"
    LogLevel = "Debug"
    CameraType = "Simulated"
    CameraSimulatedImagePath = ""
}
if (Test-Path -LiteralPath $cameraConfigPath) {
    try {
        $existingCameraConfig = Get-Content -LiteralPath $cameraConfigPath -Raw | ConvertFrom-Json
        foreach ($property in $existingCameraConfig.PSObject.Properties) {
            $cameraConfig[$property.Name] = $property.Value
        }
    } catch {
        Write-Host "  WARN: Existing config.json is invalid; recreating camera defaults." -ForegroundColor Yellow
    }
}
$cameraConfig["CameraType"] = "Simulated"
$cameraConfig["CameraSimulatedImagePath"] = ""
$cameraConfig | ConvertTo-Json -Depth 4 | Set-Content -LiteralPath $cameraConfigPath -Encoding UTF8
Write-Host "OK: Packaged navigation camera default: Simulated" -ForegroundColor Green

function Rename-ExistingMsi {
    param(
        [string]$Directory,
        [string]$PackageId
    )

    $legacyMsi = Join-Path $Directory "$PackageId-win.msi"
    if (-not (Test-Path -LiteralPath $legacyMsi)) {
        return
    }

    try {
        $installer = New-Object -ComObject WindowsInstaller.Installer
        $database = $installer.OpenDatabase($legacyMsi, 0)
        $view = $database.OpenView("SELECT Value FROM Property WHERE Property='ProductVersion'")
        $view.Execute()
        $record = $view.Fetch()
        $oldVersion = $record.StringData(1)
    }
    catch {
        throw "无法读取旧 MSI 的 ProductVersion：$legacyMsi。$($_.Exception.Message)"
    }
    finally {
        # Windows Installer COM objects keep the MSI open until every RCW is released.
        foreach ($comObject in @($record, $view, $database, $installer)) {
            if ($null -ne $comObject) {
                [void][Runtime.InteropServices.Marshal]::FinalReleaseComObject($comObject)
            }
        }
        $record = $null
        $view = $null
        $database = $null
        $installer = $null
        [GC]::Collect()
        [GC]::WaitForPendingFinalizers()
    }

    if ([string]::IsNullOrWhiteSpace($oldVersion)) {
        throw "旧 MSI 未包含有效的 ProductVersion：$legacyMsi"
    }

    $versionedMsi = Join-Path $Directory "XplorePlane-$oldVersion-win.msi"
    if (Test-Path -LiteralPath $versionedMsi) {
        throw "旧 MSI 的版本化文件已存在，为避免覆盖而停止：$versionedMsi"
    }

    $moved = $false
    for ($attempt = 1; $attempt -le 5; $attempt++) {
        try {
            Move-Item -LiteralPath $legacyMsi -Destination $versionedMsi -ErrorAction Stop
            $moved = $true
            break
        }
        catch [System.IO.IOException] {
            if ($attempt -eq 5) { throw }
            Start-Sleep -Milliseconds 500
        }
    }
    if (-not $moved) {
        throw "无法移动旧 MSI：$legacyMsi"
    }
    Write-Host "  Archived existing MSI: $versionedMsi" -ForegroundColor DarkGray
}

# Step 3: Velopack Pack
Write-Host "[3/5] Packing with vpk..." -ForegroundColor Yellow

$vpkCmd = Get-Command vpk -ErrorAction SilentlyContinue
if (-not $vpkCmd) {
    Write-Host "  vpk not found, installing..." -ForegroundColor Yellow
    dotnet tool install -g vpk
    if ($LASTEXITCODE -ne 0) {
        Write-Host "FAILED: vpk install failed" -ForegroundColor Red
        exit 1
    }
    # 当前 PowerShell 进程的 PATH 可能尚未包含全局工具目录，安装后重新解析一次。
    $vpkCmd = Get-Command vpk -ErrorAction SilentlyContinue
}

$vpkPath = if ($vpkCmd) { $vpkCmd.Source } else { Join-Path $HOME ".dotnet\tools\vpk.exe" }
if (-not (Test-Path -LiteralPath $vpkPath)) {
    Write-Host "FAILED: vpk executable not found: $vpkPath" -ForegroundColor Red
    exit 1
}

if (-not $NoMsi) {
    Rename-ExistingMsi -Directory $ReleasesDir -PackageId $PackId
}

$vpkArgs = @(
    "pack",
    "--packId", $PackId,
    "--packTitle", $PackTitle,
    "--packAuthors", $PackAuthors,
    "--packVersion", $Version,
    "--packDir", $PublishDir,
    "--mainExe", $MainExe,
    "--outputDir", $ReleasesDir
)

if (-not $NoMsi) {
    # Setup.exe remains the per-user one-click installer. MSI with Either shows
    # the Windows Installer location selection page to the end user.
    $vpkArgs += "--msi"
    $vpkArgs += "--instLocation"
    $vpkArgs += $InstallLocation
}

& $vpkPath @vpkArgs
if ($LASTEXITCODE -ne 0) {
    Write-Host "FAILED: vpk pack failed!" -ForegroundColor Red
    exit 1
}

if (-not $NoMsi) {
    $generatedMsi = Join-Path $ReleasesDir "$PackId-win.msi"
    $versionedMsi = Join-Path $ReleasesDir "XplorePlane-$Version-win.msi"
    if (Test-Path -LiteralPath $generatedMsi) {
        Move-Item -LiteralPath $generatedMsi -Destination $versionedMsi -Force
        Write-Host "OK: MSI archived as $versionedMsi" -ForegroundColor Green
    }
}

Write-Host "OK: Pack succeeded, output in $ReleasesDir" -ForegroundColor Green

# Step 4: Deploy to WampServer
Write-Host "[4/5] Deploying to WampServer..." -ForegroundColor Yellow

if (-not (Test-Path $DeployDir)) {
    New-Item -ItemType Directory -Path $DeployDir -Force | Out-Null
    Write-Host "  Created directory: $DeployDir" -ForegroundColor DarkGray
}

Copy-Item -Path (Join-Path $ReleasesDir "*") -Destination $DeployDir -Force -Recurse
Write-Host "OK: Deployed to $DeployDir" -ForegroundColor Green

# Step 5: Verify
Write-Host "[5/5] Verifying deployment..." -ForegroundColor Yellow
$releasesFile = Join-Path $DeployDir "RELEASES"
if (Test-Path $releasesFile) {
    Write-Host "  OK: RELEASES file exists" -ForegroundColor Green
    $fullPkg = Get-ChildItem $DeployDir -Filter "*-full.nupkg" | Sort-Object LastWriteTime -Descending | Select-Object -First 1
    if ($fullPkg) {
        $sizeMB = [math]::Round($fullPkg.Length / 1MB, 1)
        Write-Host "  OK: Full package: $($fullPkg.Name) ($sizeMB MB)" -ForegroundColor Green
    }
    $deltaPkg = Get-ChildItem $DeployDir -Filter "*-delta.nupkg" | Sort-Object LastWriteTime -Descending | Select-Object -First 1
    if ($deltaPkg) {
        $sizeMB = [math]::Round($deltaPkg.Length / 1MB, 1)
        Write-Host "  OK: Delta package: $($deltaPkg.Name) ($sizeMB MB)" -ForegroundColor Green
    }
    $setupExe = Get-ChildItem $DeployDir -Filter "Setup*.exe" | Select-Object -First 1
    if ($setupExe) {
        Write-Host "  OK: Setup: $($setupExe.Name)" -ForegroundColor Green
    }
    $msi = Get-ChildItem $DeployDir -Filter "*.msi" | Sort-Object LastWriteTime -Descending | Select-Object -First 1
    if ($msi) {
        Write-Host "  OK: MSI:   $($msi.Name)" -ForegroundColor Green
    }
} else {
    Write-Host "  WARN: RELEASES file not found, deployment may be incomplete" -ForegroundColor Yellow
}

Write-Host ""
Write-Host "========================================================" -ForegroundColor Cyan
Write-Host "  Release complete!" -ForegroundColor Green
Write-Host ""
Write-Host "  Update URL: http://192.168.16.134/updates/xploreplane" -ForegroundColor White
Write-Host "  Setup:      $DeployDir\Setup.exe (per-user, fixed default location)" -ForegroundColor White
if (-not $NoMsi) {
    Write-Host "  MSI:        $DeployDir\*.msi (user-selectable location)" -ForegroundColor White
}
Write-Host ""
Write-Host "  Make sure WampServer is running (Apache online)." -ForegroundColor DarkGray
Write-Host "  Client App.config Update:ServerUrl should be:" -ForegroundColor DarkGray
Write-Host "    http://<server-ip>/updates/xploreplane" -ForegroundColor White
Write-Host "========================================================" -ForegroundColor Cyan