install.ps1

[CmdletBinding(SupportsShouldProcess = $true)]
param(
    [string]$InstallDir = (Join-Path $env:LOCALAPPDATA "Programs\MiniClick"),
    [switch]$SkipBuildAndTest
)

$ErrorActionPreference = "Stop"

$builtExe = Join-Path $PSScriptRoot "build\mini_click.exe"
$buildDir = Split-Path -Parent $builtExe
$defaultInstallDir = [System.IO.Path]::GetFullPath((Join-Path $env:LOCALAPPDATA "Programs\MiniClick"))
$resolvedInstallDir = [System.IO.Path]::GetFullPath($InstallDir)
$temporaryRoot = [System.IO.Path]::GetFullPath([System.IO.Path]::GetTempPath()).TrimEnd([System.IO.Path]::DirectorySeparatorChar)
$temporaryTestPrefix = Join-Path $temporaryRoot "MiniClickInstallTests-"
$temporaryTestPattern = '^' + [System.Text.RegularExpressions.Regex]::Escape($temporaryTestPrefix) + '[0-9a-f]{32}\\install$'
$isDefaultInstallDir = [System.String]::Equals($resolvedInstallDir, $defaultInstallDir, [System.StringComparison]::OrdinalIgnoreCase)
$isTemporaryInstallDir = $resolvedInstallDir -match $temporaryTestPattern
$installedExe = Join-Path $resolvedInstallDir "mini_click.exe"
$shortcutPath = Join-Path $env:APPDATA "Microsoft\Windows\Start Menu\Programs\MiniClick.lnk"
$applied = $false

if (-not ($isDefaultInstallDir -or $isTemporaryInstallDir)) {
    throw "Refusing to install into an unexpected target: $resolvedInstallDir"
}

if ($SkipBuildAndTest -and -not $isTemporaryInstallDir) {
    throw "SkipBuildAndTest is allowed only for temporary test installations."
}

if ($PSCmdlet.ShouldProcess($resolvedInstallDir, "Build, test and register the current MiniClick build")) {
    if (-not $SkipBuildAndTest) {
        & (Join-Path $PSScriptRoot "build.ps1") | Out-Null
        & (Join-Path $PSScriptRoot "test.ps1")
    }

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

    if ($isDefaultInstallDir) {
        $shell = New-Object -ComObject WScript.Shell
        $shortcut = $shell.CreateShortcut($shortcutPath)
        $shortcut.TargetPath = $builtExe
        $shortcut.WorkingDirectory = $buildDir
        $shortcut.Description = "MiniClick lightweight auto clicker"
        $shortcut.IconLocation = "$builtExe,0"
        $shortcut.Save()
    }
    else {
        New-Item -ItemType Directory -Force -Path $resolvedInstallDir | Out-Null
        Copy-Item -LiteralPath $builtExe -Destination $installedExe -Force
    }

    $applied = $true
}

[pscustomobject]@{
    InstalledExe = if ($isDefaultInstallDir) { $null } else { $installedExe }
    Shortcut = if ($isDefaultInstallDir) { $shortcutPath } else { $null }
    ShortcutTarget = if ($isDefaultInstallDir) { $builtExe } else { $null }
    Applied = $applied
}