# 设置严格模式，遇到错误停止，防止错误的命令雪崩
$ErrorActionPreference = "Stop"
#Set-StrictMode -Version Latest

# === 1. 加载依赖库 ===
# 确保 lib 目录存在
if (-not (Test-Path "$PSScriptRoot\lib")) {
    Write-Error "Cannot find ./lib, some files missing."
    exit 1
}

# === 2. 读取配置 ===
$jsonPath = "$PSScriptRoot\config\apps.json"
if (-not (Test-Path $jsonPath)) {
    Write-Error "Cannot find: $jsonPath"
    exit 1
}

Write-Host "Reading configurations..." -ForegroundColor Cyan
# 使用 UTF8 读取防止中文乱码
$apps = Get-Content $jsonPath -Encoding UTF8 | ConvertFrom-Json

# === 3. 主循环 ===
foreach ($app in $apps) {
    Write-Host "`n==========================================" -ForegroundColor Cyan
    Write-Host "Installing: $($app.Name)" -ForegroundColor Yellow
    Write-Host "=========================================="

    # --- 步骤 A: Winget 安装 ---
    $wingetArgs = @(
        "install",
        "--id", $app.Id,
        "-e",
        "--silent",
        "--accept-package-agreements",
        "--accept-source-agreements",
        "--disable-interactivity",
        "--scope", "machine"
    )

    # [版本检查逻辑]
    # 检查 Version 是否存在且不为空字符串
    if (-not [string]::IsNullOrWhiteSpace($app.Version)) {
        Write-Host "-> Version: $($app.Version)"
        $wingetArgs += "-v"
        $wingetArgs += $app.Version
    } else {
        Write-Host "-> Version: latest"
    }

    Write-Host "-> Installing via winget..."
    
    # 执行安装
    $proc = Start-Process -FilePath "winget" -ArgumentList $wingetArgs -Wait -PassThru -NoNewWindow

    # 检查安装结果 (0=成功, -1978335189=已安装)
    if ($proc.ExitCode -eq 0) {
        Write-Host "[Success]" -ForegroundColor Green
    } elseif ($proc.ExitCode -eq -1978335189) {
        Write-Host "[Skip] Already installed" -ForegroundColor Yellow
        continue # 已经安装的为了避免覆盖配置，也就不配置了
    } else {
        Write-Error "[Fail] Error code: $($proc.ExitCode)"
        continue # 安装失败则跳过后续配置
    }

    # --- 步骤 B: PostInstall 配置 ---
    if ($app.PostInstall -and $app.PostInstall.Count -gt 0) {
        Write-Host "`n-> Configuring..." -ForegroundColor Cyan

        $stepIndex = 0
        foreach ($action in $app.PostInstall) {
            
            # [间隔逻辑] 如果这不是第一步，先等待 2 秒
            if ($stepIndex -gt 0) {
                Write-Host "(Waiting 2 seconds...)" -ForegroundColor DarkGray
                Start-Sleep -Seconds 2
            }

            try {
                switch ($action.Type) {
                    
                    # 1. 复制文件
                    "FileCopy" {
                        & "$PSScriptRoot\lib\invoke-filecopy.ps1" `
                            -Source $action.Source `
                            -Destination $action.Destination
                    }

                    # 2. 导入注册表
                    "RegImport" {
                        & "$PSScriptRoot\lib\invoke-regimport.ps1" `
                            -Path $action.Path
                    }

                    # 3. 执行 CMD
                    "Command" {
                        & "$PSScriptRoot\lib\invoke-cmdexec.ps1" `
                            -Command $action.Command `
                            -WorkDir $action.WorkDir
                    }

                    Default {
                        Write-Warning "`nUnknown action: $($action.Type)"
                    }
                }
            } catch {
                Write-Error "`nFailed to operate step $($stepIndex + 1): $_"
            }

            $stepIndex++
        }
    } else {
        Write-Host "-> No configurations." -ForegroundColor DarkGray
    }
}

Write-Host "`n=== Done ===" -ForegroundColor Green
Pause