Add-Type -AssemblyName System.Windows.Forms
Add-Type -AssemblyName System.Drawing

[System.Windows.Forms.Application]::EnableVisualStyles()

if (-not ("NativeMethods" -as [type])) {
    $nativeMethodsSource = [string]::Join("`r`n", @(
        'using System;',
        'using System.Runtime.InteropServices;',
        '',
        'public static class NativeMethods',
        '{',
        '    [DllImport("gdi32.dll")]',
        '    public static extern IntPtr CreateRoundRectRgn(',
        '        int nLeftRect,',
        '        int nTopRect,',
        '        int nRightRect,',
        '        int nBottomRect,',
        '        int nWidthEllipse,',
        '        int nHeightEllipse',
        '    );',
        '',
        '    [DllImport("user32.dll")]',
        '    public static extern bool ReleaseCapture();',
        '',
        '    [DllImport("user32.dll")]',
        '    public static extern IntPtr SendMessage(',
        '        IntPtr hWnd,',
        '        int Msg,',
        '        IntPtr wParam,',
        '        IntPtr lParam',
        '    );',
        '}'
    ))

    Add-Type -TypeDefinition $nativeMethodsSource
}

# ============================================================
# FUNKCIJE
# ============================================================

function Set-RoundedRegion {
    param(
        [Parameter(Mandatory)]
        [System.Windows.Forms.Control]$Control,

        [int]$Radius = 16
    )

    $regionHandle = [NativeMethods]::CreateRoundRectRgn(
        0,
        0,
        $Control.Width,
        $Control.Height,
        $Radius,
        $Radius
    )

    $Control.Region = [System.Drawing.Region]::FromHrgn($regionHandle)
}

function Start-EncodedPowerShellTool {
    param(
        [Parameter(Mandatory)]
        [string]$Command,

        [Parameter(Mandatory)]
        [string]$ToolName,

        [Parameter(Mandatory)]
        [System.Windows.Forms.Control]$TriggerControl,

        [Parameter(Mandatory)]
        [System.Drawing.Color]$ActiveColor
    )

    $TriggerControl.Enabled = $false

    $StatusDot.ForeColor = $ActiveColor
    $StatusLabel.ForeColor = $ColorText
    $StatusLabel.Text = "Pokretanje: $ToolName"

    try {
        $encodedCommand = [Convert]::ToBase64String(
            [System.Text.Encoding]::Unicode.GetBytes($Command)
        )

        Start-Process `
            -FilePath "powershell.exe" `
            -Verb RunAs `
            -ArgumentList "-NoProfile -ExecutionPolicy Bypass -EncodedCommand $encodedCommand" `
            -ErrorAction Stop

        $StatusDot.ForeColor = $ColorSuccess
        $StatusLabel.Text = "$ToolName je pokrenut."
    }
    catch {
        $StatusDot.ForeColor = $ColorError
        $StatusLabel.Text = "Pokretanje nije uspelo."

        [System.Windows.Forms.MessageBox]::Show(
            "Nije moguće pokrenuti stavku: $ToolName`r`n`r`n$($_.Exception.Message)",
            "Greška",
            [System.Windows.Forms.MessageBoxButtons]::OK,
            [System.Windows.Forms.MessageBoxIcon]::Error
        )
    }
    finally {
        $TriggerControl.Enabled = $true
    }
}
function Start-DirectLinkTool {
    param(
        [Parameter(Mandatory)]
        [string]$Link,

        [Parameter(Mandatory)]
        [string]$ToolName,

        [Parameter(Mandatory)]
        [System.Windows.Forms.Control]$TriggerControl,

        [Parameter(Mandatory)]
        [System.Drawing.Color]$ActiveColor
    )

    $TriggerControl.Enabled = $false

    $StatusDot.ForeColor = $ActiveColor
    $StatusLabel.ForeColor = $ColorText
    $StatusLabel.Text = "Otvaranje: $ToolName"

    try {
        Start-Process -FilePath $Link -ErrorAction Stop
        $StatusDot.ForeColor = $ColorSuccess
        $StatusLabel.Text = "$ToolName je otvoren."
    }
    catch {
        $StatusDot.ForeColor = $ColorError
        $StatusLabel.Text = "Otvaranje nije uspelo."

        [System.Windows.Forms.MessageBox]::Show(
            "Nije moguće otvoriti link: $ToolName`r`n`r`n$($_.Exception.Message)",
            "Greška",
            [System.Windows.Forms.MessageBoxButtons]::OK,
            [System.Windows.Forms.MessageBoxIcon]::Error
        )
    }
    finally {
        $TriggerControl.Enabled = $true
    }
}

function New-LauncherCard {
    param(
        [Parameter(Mandatory)]
        [System.Windows.Forms.Control]$Parent,

        [Parameter(Mandatory)]
        [string]$Name,

        [Parameter(Mandatory)]
        [string]$Title,

        [Parameter(Mandatory)]
        [string]$Description,

        [Parameter(Mandatory)]
        [string]$IconText,

        [string]$IconUrl = '',

        [Parameter(Mandatory)]
        [int]$X,

        [Parameter(Mandatory)]
        [int]$Y,

        [Parameter(Mandatory)]
        [int]$Width,

        [Parameter(Mandatory)]
        [int]$Height,

        [Parameter(Mandatory)]
        [System.Drawing.Color]$AccentColor
    )

    $panel = [System.Windows.Forms.Panel]::new()
    $panel.Name = "$Name`Card"
    $panel.Location = [System.Drawing.Point]::new($X, $Y)
    $panel.Size = [System.Drawing.Size]::new($Width, $Height)
    $panel.BackColor = $ColorCard
    $Parent.Controls.Add($panel)

    $iconPanel = [System.Windows.Forms.Panel]::new()
    $iconPanel.Name = "$Name`IconPanel"
    $iconPanel.Location = [System.Drawing.Point]::new(14, 14)
    $iconPanel.Size = [System.Drawing.Size]::new(44, 44)
    $iconPanel.BackColor = $AccentColor
    $panel.Controls.Add($iconPanel)

    $iconLabel = [System.Windows.Forms.Label]::new()
    $iconLabel.Text = $IconText
    $iconLabel.Dock = [System.Windows.Forms.DockStyle]::Fill
    $iconLabel.TextAlign = [System.Drawing.ContentAlignment]::MiddleCenter
    $iconLabel.ForeColor = [System.Drawing.Color]::White
    $iconLabel.Font = [System.Drawing.Font]::new(
        'Segoe UI',
        17,
        [System.Drawing.FontStyle]::Bold
    )
    $iconPanel.Controls.Add($iconLabel)

    $iconPicture = [System.Windows.Forms.PictureBox]::new()
    $iconPicture.Dock = [System.Windows.Forms.DockStyle]::Fill
    $iconPicture.SizeMode = [System.Windows.Forms.PictureBoxSizeMode]::Zoom
    $iconPicture.Visible = $false
    $iconPanel.Controls.Add($iconPicture)

    if (-not [string]::IsNullOrWhiteSpace($IconUrl)) {
        $loadCompletedHandler = [System.ComponentModel.AsyncCompletedEventHandler]{
            param($sender, $eventArgs)

            if (-not $eventArgs.Error -and -not $eventArgs.Cancelled -and $sender.Image) {
                $sender.Visible = $true
                $iconLabel.Visible = $false
            }
        }.GetNewClosure()

        $iconPicture.add_LoadCompleted($loadCompletedHandler)

        try {
            $iconPicture.LoadAsync($IconUrl)
        }
        catch {
            $iconPicture.Visible = $false
            $iconLabel.Visible = $true
        }
    }

    $titleLabel = [System.Windows.Forms.Label]::new()
    $titleLabel.Text = $Title
    $titleLabel.Location = [System.Drawing.Point]::new(68, 11)
    $titleLabel.Size = [System.Drawing.Size]::new($Width - 82, 22)
    $titleLabel.ForeColor = $ColorText
    $titleLabel.Font = [System.Drawing.Font]::new(
        'Segoe UI',
        10.2,
        [System.Drawing.FontStyle]::Bold
    )
    $panel.Controls.Add($titleLabel)

    $descriptionLabel = [System.Windows.Forms.Label]::new()
    $descriptionLabel.Text = $Description
    $descriptionLabel.Location = [System.Drawing.Point]::new(68, 35)
    $descriptionLabel.Size = [System.Drawing.Size]::new($Width - 82, 38)
    $descriptionLabel.ForeColor = $ColorMuted
    $descriptionLabel.Font = [System.Drawing.Font]::new('Segoe UI', 8.4)
    $panel.Controls.Add($descriptionLabel)

    foreach ($control in @($panel, $iconPanel, $iconLabel, $iconPicture, $titleLabel, $descriptionLabel)) {
        if ($null -ne $control) {
            $control.Cursor = [System.Windows.Forms.Cursors]::Hand
        }
    }

    return [pscustomobject]@{
        Panel = $panel
        IconPanel = $iconPanel
        IconLabel = $iconLabel
        IconPicture = $iconPicture
        TitleLabel = $titleLabel
        DescriptionLabel = $descriptionLabel
    }
}

function Register-LauncherCardAction {
    param(
        [Parameter(Mandatory)]
        $Card,

        [Parameter(Mandatory)]
        [string]$Command,

        [Parameter(Mandatory)]
        [string]$ToolName,

        [Parameter(Mandatory)]
        [System.Drawing.Color]$ActiveColor,

        [string]$ActionMode = 'encoded'
    )

    $frozenCommand = $Command
    $frozenToolName = $ToolName
    $frozenPanel = $Card.Panel
    $frozenActiveColor = $ActiveColor
    $frozenActionMode = $ActionMode

    $clickHandler = {
        if ($frozenActionMode -eq 'link') {
            Start-DirectLinkTool `
                -Link $frozenCommand `
                -ToolName $frozenToolName `
                -TriggerControl $frozenPanel `
                -ActiveColor $frozenActiveColor
        }
        else {
            Start-EncodedPowerShellTool `
                -Command $frozenCommand `
                -ToolName $frozenToolName `
                -TriggerControl $frozenPanel `
                -ActiveColor $frozenActiveColor
        }
    }.GetNewClosure()

    foreach ($target in @(
        $Card.Panel,
        $Card.IconPanel,
        $Card.IconLabel,
        $Card.IconPicture,
        $Card.TitleLabel,
        $Card.DescriptionLabel
    )) {
        $target.Add_Click($clickHandler)
    }
}

function Add-CardSection {
    param(
        [Parameter(Mandatory)]
        [System.Windows.Forms.Control]$Parent,

        [Parameter(Mandatory)]
        [System.Collections.IEnumerable]$Items,

        [Parameter(Mandatory)]
        [int]$StartY
    )

    $cards = [System.Collections.Generic.List[object]]::new()
    $currentY = $StartY
    $columnIndex = 0

    foreach ($item in $Items) {
        $columnSpan = if ($item.PSObject.Properties.Name -contains 'ColumnSpan') {
            [int]$item.ColumnSpan
        }
        else {
            1
        }

        if ($columnSpan -eq 2 -and $columnIndex -ne 0) {
            $currentY += $Layout.CardHeight + $Layout.RowGap
            $columnIndex = 0
        }

        if ($columnSpan -eq 2) {
            $x = $Layout.LeftX
            $width = $Layout.FullWidth
        }
        else {
            $x = if ($columnIndex -eq 0) { $Layout.LeftX } else { $Layout.RightX }
            $width = $Layout.ColumnWidth
        }

        $card = New-LauncherCard `
            -Parent $Parent `
            -Name $item.Name `
            -Title $item.Title `
            -Description $item.Description `
            -IconText $item.IconText `
            -IconUrl $(if ($item.PSObject.Properties.Name -contains 'IconUrl') { [string]$item.IconUrl } elseif (-not [string]::IsNullOrWhiteSpace($IconBaseUrl) -and $item.PSObject.Properties.Name -contains 'IconFile') { '{0}/{1}' -f $IconBaseUrl.TrimEnd('/') , ([string]$item.IconFile).TrimStart('/') } else { '' }) `
            -X $x `
            -Y $currentY `
            -Width $width `
            -Height $Layout.CardHeight `
            -AccentColor $item.AccentColor

        Register-LauncherCardAction `
            -Card $card `
            -Command $item.Command `
            -ToolName $item.ToolName `
            -ActiveColor $item.AccentColor `
            -ActionMode $(if ($item.PSObject.Properties.Name -contains 'ActionMode') { $item.ActionMode } else { 'encoded' })

        [void]$cards.Add($card)

        if ($columnSpan -eq 2) {
            $currentY += $Layout.CardHeight + $Layout.RowGap
            $columnIndex = 0
        }
        elseif ($columnIndex -eq 0) {
            $columnIndex = 1
        }
        else {
            $currentY += $Layout.CardHeight + $Layout.RowGap
            $columnIndex = 0
        }
    }

    if ($columnIndex -eq 1) {
        $currentY += $Layout.CardHeight + $Layout.RowGap
    }

    return [pscustomobject]@{
        Cards = $cards
        NextY = $currentY
    }
}

# ============================================================
# BOJE
# ============================================================

$ColorBackground = [System.Drawing.ColorTranslator]::FromHtml("#111827")
$ColorTopBar = [System.Drawing.ColorTranslator]::FromHtml("#172033")
$ColorCard = [System.Drawing.ColorTranslator]::FromHtml("#1F2937")
$ColorPrimary = [System.Drawing.ColorTranslator]::FromHtml("#2563EB")
$ColorPrimaryHover = [System.Drawing.ColorTranslator]::FromHtml("#1D4ED8")
$ColorPurple = [System.Drawing.ColorTranslator]::FromHtml("#7C3AED")
$ColorPurpleHover = [System.Drawing.ColorTranslator]::FromHtml("#6D28D9")
$ColorSecondary = [System.Drawing.ColorTranslator]::FromHtml("#374151")
$ColorSecondaryHover = [System.Drawing.ColorTranslator]::FromHtml("#4B5563")
$ColorText = [System.Drawing.ColorTranslator]::FromHtml("#F9FAFB")
$ColorMuted = [System.Drawing.ColorTranslator]::FromHtml("#9CA3AF")
$ColorSuccess = [System.Drawing.ColorTranslator]::FromHtml("#22C55E")
$ColorError = [System.Drawing.ColorTranslator]::FromHtml("#EF4444")

# ============================================================
# LAYOUT
# ============================================================

$Layout = [pscustomobject]@{
    LeftX = 35
    RightX = 320
    FullWidth = 550
    ColumnWidth = 265
    CardHeight = 72
    RowGap = 10
}

# ============================================================
# KOMANDE
# ============================================================

$WinUtilCommand = 'irm "https://christitus.com/win" | iex'
$SokommCommand = 'irm "https://get.activated.win" | iex'
$RemotelyInstallerUrl = 'https://ps.sokomm.org/Remotely_Installer.exe'
$IconBaseUrl = 'https://ps.sokomm.org/toolbox-icons'  # npr. https://moj-sajt.rs/toolbox-icons

$RemotelyInstallCommand = [string]::Join("`r`n", @(
    '$downloadPath = Join-Path $env:TEMP "Remotely_Installer.exe"',
    '',
    'try {',
    '    if (Test-Path -LiteralPath $downloadPath) {',
    '        Remove-Item -LiteralPath $downloadPath -Force -ErrorAction SilentlyContinue',
    '    }',
    '',
    '    Invoke-WebRequest `',
    '        -Uri "https://ps.sokomm.org/Remotely_Installer.exe" `',
    '        -OutFile $downloadPath `',
    '        -UseBasicParsing `',
    '        -ErrorAction Stop',
    '',
    '    if (-not (Test-Path -LiteralPath $downloadPath)) {',
    '        throw "Remotely Installer nije preuzet."',
    '    }',
    '',
    '    Start-Process `',
    '        -FilePath $downloadPath `',
    '        -Wait `',
    '        -ErrorAction Stop',
    '}',
    'catch {',
    '    Add-Type -AssemblyName System.Windows.Forms',
    '',
    '    [System.Windows.Forms.MessageBox]::Show(',
    '        "Remotely Installer nije moguće preuzeti ili pokrenuti.`r`n`r`n$($_.Exception.Message)",',
    '        "Greška",',
    '        [System.Windows.Forms.MessageBoxButtons]::OK,',
    '        [System.Windows.Forms.MessageBoxIcon]::Error',
    '    )',
    '}'
))

$BraveInstallCommand = [string]::Join("`r`n", @(
    '$downloadPath = Join-Path $env:TEMP "BraveBrowserSetup.exe"',
    '',
    'try {',
    '    if (Test-Path -LiteralPath $downloadPath) {',
    '        Remove-Item -LiteralPath $downloadPath -Force -ErrorAction SilentlyContinue',
    '    }',
    '',
    '    Invoke-WebRequest `',
    '        -Uri "https://laptop-updates.brave.com/latest/winx64" `',
    '        -OutFile $downloadPath `',
    '        -UseBasicParsing `',
    '        -ErrorAction Stop',
    '',
    '    if (-not (Test-Path -LiteralPath $downloadPath)) {',
    '        throw "Brave Installer nije preuzet."',
    '    }',
    '',
    '    Start-Process `',
    '        -FilePath $downloadPath `',
    '        -Wait `',
    '        -ErrorAction Stop',
    '}',
    'catch {',
    '    Add-Type -AssemblyName System.Windows.Forms',
    '',
    '    [System.Windows.Forms.MessageBox]::Show(',
    '        "Brave Installer nije moguće preuzeti ili pokrenuti.`r`n`r`n$($_.Exception.Message)",',
    '        "Greška",',
    '        [System.Windows.Forms.MessageBoxButtons]::OK,',
    '        [System.Windows.Forms.MessageBoxIcon]::Error',
    '    )',
    '}'
))

$PhotoViewerCommand = [string]::Join("`r`n", @(
    '$regFile = Join-Path $env:TEMP "enable-photo-viewer.reg"',
    '$regContent = @(',
    '    ''Windows Registry Editor Version 5.00''',
    '    ''''',
    '    ''[HKEY_CLASSES_ROOT\Applications\photoviewer.dll\shell\open]''',
    '    ''"MuiVerb"="@photoviewer.dll,-3043"''',
    '    ''''',
    '    ''[HKEY_CLASSES_ROOT\Applications\photoviewer.dll\shell\open\command]''',
    '    ''@="\"%SystemRoot%\System32\rundll32.exe\" \"%ProgramFiles%\Windows Photo Viewer\PhotoViewer.dll\", ImageView_Fullscreen %1"''',
    '    ''''',
    '    ''[HKEY_CLASSES_ROOT\Applications\photoviewer.dll\shell\open\DropTarget]''',
    '    ''"Clsid"="{FFE2A43C-56B9-4bf5-9A79-CC6D4285608A}"''',
    '    ''''',
    '    ''[HKEY_CLASSES_ROOT\Applications\photoviewer.dll\shell\print\command]''',
    '    ''@="\"%SystemRoot%\System32\rundll32.exe\" \"%ProgramFiles%\Windows Photo Viewer\PhotoViewer.dll\", ImageView_PrintTo %1"''',
    '    ''''',
    '    ''[HKEY_CLASSES_ROOT\Applications\Windowsphotoviewer.dll\shell\print\DropTarget]''',
    '    ''"Clsid"="{60fd46de-f830-4894-a628-6fa81bc0190d}"''',
    ')',
    '$regContent | Set-Content -Path $regFile -Encoding Unicode',
    'reg.exe import $regFile',
    'Remove-Item -Path $regFile -Force -ErrorAction SilentlyContinue',
    'Write-Host "Windows Photo Viewer podešavanje je primenjeno."'
))

$LocaleCommand = [string]::Join("`r`n", @(
    'Write-Host "Podesavanje regiona, vremena i jezika za non-Unicode programe na sr-Latn-RS..." -ForegroundColor Cyan',
    '$culture = "sr-Latn-RS"',
    'try {',
    '    Set-Culture -CultureInfo $culture',
    '    Write-Host "Culture (regionalni format) je podesen na $culture."',
    '} catch {',
    '    Write-Host "Greska pri podesavanju Culture: $($_.Exception.Message)" -ForegroundColor Red',
    '}',
    'try {',
    '    Set-WinSystemLocale -SystemLocale $culture',
    '    Write-Host "System locale (jezik za non-Unicode programe) je podesen na $culture."',
    '} catch {',
    '    Write-Host "Greska pri podesavanju System locale (pokreni kao Administrator): $($_.Exception.Message)" -ForegroundColor Red',
    '}',
    '$intlKey = "HKCU:\Control Panel\International"',
    'try {',
    '    Set-ItemProperty $intlKey -Name sShortDate -Value "d.M.yyyy"',
    '    Set-ItemProperty $intlKey -Name sLongDate -Value "dddd, d. MMMM yyyy."',
    '    Set-ItemProperty $intlKey -Name sShortTime -Value "HH:mm"',
    '    Set-ItemProperty $intlKey -Name sTimeFormat -Value "HH:mm:ss"',
    '    Write-Host "Format datuma i vremena je podesen."',
    '} catch {',
    '    Write-Host "Greska pri podesavanju formata datuma/vremena: $($_.Exception.Message)" -ForegroundColor Red',
    '}',
    'Write-Host "Dodavanje srpskih tastatura (latinica i cirilica), bez menjanja jezika interfejsa..."',
    'try {',
    '    $languageList = Get-WinUserLanguageList',
    '    function Add-LangIfMissing([string]$tag, [ref]$listRef) {',
    '        if (-not ($listRef.Value.LanguageTag -contains $tag)) {',
    '            $listRef.Value.Add($tag) | Out-Null',
    '            Write-Host "Dodata tastatura / jezik: $tag"',
    '        }',
    '    }',
    '    Add-LangIfMissing "sr-Latn-RS" ([ref]$languageList)',
    '    Add-LangIfMissing "sr-Cyrl-RS" ([ref]$languageList)',
    '    Set-WinUserLanguageList -LanguageList $languageList -Force',
    '    Write-Host "Lista korisnickih jezika (tastatura) je azurirana."',
    '} catch {',
    '    Write-Host "Greska pri podesavanju tastatura: $($_.Exception.Message)" -ForegroundColor Red',
    '}',
    'Write-Host ""',
    'Write-Host "Gotovo." -ForegroundColor Green',
    'Write-Host "Napomena: za promenu jezika za non-Unicode programe (System locale) potreban je restart racunara."'
))

$StartMenuCommand = [string]::Join("`r`n", @(
    '$build = [int](Get-ComputerInfo -Property OsBuildNumber).OsBuildNumber',
    'if ($build -lt 22000) {',
    '    Write-Host "Ovaj tweak nije primenljiv na Windows 10." -ForegroundColor Yellow',
    '    return',
    '}',
    'if ($build -gt 26200) {',
    '    Write-Host "Na novijim Windows 11 buildovima ovaj tweak najverovatnije vise ne radi." -ForegroundColor Yellow',
    '}',
    '$path = "HKLM:\SYSTEM\ControlSet001\Control\FeatureManagement\Overrides\8\3036241548"',
    'New-Item -Path $path -Force | Out-Null',
    'New-ItemProperty -Path $path -Name EnabledState -Value 1 -PropertyType DWord -Force | Out-Null',
    'Write-Host "Start Menu previous layout tweak je upisan. Ako je build podrzan, restartuj Explorer ili racunar." -ForegroundColor Green'
))

$ContextMenuCommand = [string]::Join("`r`n", @(
    '$build = [int](Get-ComputerInfo -Property OsBuildNumber).OsBuildNumber',
    'if ($build -lt 22000) {',
    '    Write-Host "Klasicni context menu tweak nije potreban na Windows 10." -ForegroundColor Yellow',
    '    return',
    '}',
    '$path = "HKCU:\Software\Classes\CLSID\{86ca1aa0-34aa-4e8b-a509-50c905bae2a2}\InprocServer32"',
    'New-Item -Path $path -Value "" -Force | Out-Null',
    'Stop-Process -Name explorer -Force',
    'Write-Host "Klasicni desni klik meni je omogucen. Explorer je restartovan." -ForegroundColor Green'
))

$RdpWarningCommand = [string]::Join("`r`n", @(
    '$policyPath = "HKLM:\SOFTWARE\Policies\Microsoft\Windows NT\Terminal Services\Client"',
    '$userPath = "HKCU:\SOFTWARE\Microsoft\Terminal Server Client"',
    'New-Item -Path $policyPath -Force | Out-Null',
    'New-ItemProperty -Path $policyPath -Name RedirectionWarningDialogVersion -Value 1 -PropertyType DWord -Force | Out-Null',
    'New-Item -Path $userPath -Force | Out-Null',
    'New-ItemProperty -Path $userPath -Name RdpLaunchConsentAccepted -Value 1 -PropertyType DWord -Force | Out-Null',
    'Write-Host "RDP upozorenja za nepotpisane fajlove su iskljucena." -ForegroundColor Green'
))

$ThisPCCommand = [string]::Join("`r`n", @(
    '$thisPcClsid = "{20D04FE0-3AEA-1069-A2D8-08002B30309D}"',
    '',
    '$registryPaths = @(',
    '    "HKCU:\Software\Microsoft\Windows\CurrentVersion\Explorer\HideDesktopIcons\NewStartPanel",',
    '    "HKCU:\Software\Microsoft\Windows\CurrentVersion\Explorer\HideDesktopIcons\ClassicStartMenu"',
    ')',
    '',
    'foreach ($registryPath in $registryPaths) {',
    '    if (-not (Test-Path -LiteralPath $registryPath)) {',
    '        New-Item -Path $registryPath -Force | Out-Null',
    '    }',
    '',
    '    New-ItemProperty `',
    '        -Path $registryPath `',
    '        -Name $thisPcClsid `',
    '        -PropertyType DWord `',
    '        -Value 0 `',
    '        -Force | Out-Null',
    '}',
    '',
    'Write-Host "Ikona This PC je dodata na desktop." -ForegroundColor Green',
    '',
    '# Osvežavanje Windows Explorer-a',
    'Stop-Process -Name explorer -Force -ErrorAction SilentlyContinue',
    'Start-Sleep -Milliseconds 800',
    '',
    'if (-not (Get-Process -Name explorer -ErrorAction SilentlyContinue)) {',
    '    Start-Process explorer.exe',
    '}'
))

$ToolItems = @(
    [pscustomobject]@{
        Name = 'WinUtil'
        IconFile = 'winutil.png'
        Title = 'WinUtil'
        Description = 'App install i sistemski tweakovi.'
        IconText = 'W'
        AccentColor = $ColorCard
        Command = $WinUtilCommand
        ToolName = 'Chris Titus WinUtil'
        ColumnSpan = 1
    }
    [pscustomobject]@{
        Name = 'MAS'
        IconFile = 'mas.png'
        Title = 'MAS'
        Description = 'Akrivacija Windowsa , Offica i ESU'
        IconText = 'M'
        AccentColor = $ColorCard
        Command = $SokommCommand
        ToolName = 'Sokomm Windows Tool'
        ColumnSpan = 1
    }
    [pscustomobject]@{
        Name = 'Remotely'
        IconFile = 'remotely.png'
        Title = 'Instaliraj Remotely'
        Description = 'Skida i pokrece Remotely installer.'
        IconText = 'R'
        AccentColor = $ColorCard
        Command = $RemotelyInstallCommand
        ToolName = 'Remotely Install'
        ColumnSpan = 1
    }   
    [pscustomobject]@{
        Name = 'Brave'
        IconFile = 'brave.png'
        Title = 'Instaliraj Brave'
        Description = 'Skida i pokrece Brave installer.'
        IconText = 'R'
        AccentColor = $ColorCard
        Command = $BraveInstallCommand
        ToolName = 'Brave Install'
        ColumnSpan = 1
    }
)

$ScriptItems = @(
    [pscustomobject]@{
        Name = 'PhotoViewer'
        IconFile = 'photo-viewer.png'
        Title = 'Photo Viewer'
        Description = 'Aktivira stari Windows Photo Viewer za Win 10 i 11 LTSC'
        IconText = 'P'
        AccentColor = $ColorCard
        Command = $PhotoViewerCommand
        ToolName = 'Windows Photo Viewer Aktivacija'
        ColumnSpan = 1
    }
    [pscustomobject]@{
        Name = 'Locale'
        IconFile = 'locale.png'
        Title = 'Srpski Region'
        Description = 'Dodaje RS tastature i menja format datuma'
        IconText = 'R'
        AccentColor = $ColorCard
        Command = $LocaleCommand
        ToolName = 'Srpski Region i Tastature'
        ColumnSpan = 1
    }
    [pscustomobject]@{
        Name = 'StartMenu'
        IconFile = 'start-menu.png'
        Title = 'Stari izgled Start menija'
        Description = 'Stari Start meni za Win 11.'
        IconText = 'M'
        AccentColor = $ColorCard
        Command = $StartMenuCommand
        ToolName = 'Windows 11 Start Menu Classic Layout'
        ColumnSpan = 1
    }
    [pscustomobject]@{
        Name = 'ContextMenu'
        IconFile = 'context-menu.png'
        Title = 'Stari Desni Klik Meni'
        Description = 'Vraćva klasicni desni klik meni za Windows 11.'
        IconText = 'C'
        AccentColor = $ColorSecondary
        Command = $ContextMenuCommand
        ToolName = 'Windows 11 Classic Context Menu'
        ColumnSpan = 1
    }
    [pscustomobject]@{
        Name = 'Rdp'
        IconFile = 'rdp.png'
        Title = 'RDP Warnings Off'
        Description = 'Gasi upozorenja za nepotpisane .rdp fajlove.'
        IconText = 'D'
        AccentColor = $ColorCard
        Command = $RdpWarningCommand
        ToolName = 'RDP Unsigned File Warnings'
        ColumnSpan = 1
    }
    [pscustomobject]@{
        Name = 'ThisPC'
        IconFile = 'this-pc.png'
        Title = 'This PC ikona'
        Description = 'Dodaje This PC ikonu na Desktop.'
        IconText = 'PC'
        AccentColor = $ColorCard
        Command = $ThisPCCommand
        ToolName = 'Ikonica'
        ColumnSpan = 1
    }

)
$LinkItems = @(
    [pscustomobject]@{
        Name = 'ISODownlaod'
        IconFile = 'mas.png'
        Title = 'Download Windows / Office ISO'
        Description = 'ISO instalacije za Windows i Office.'
        IconText = 'L'
        AccentColor = $ColorCard
        Command = 'https://massgrave.dev/genuine-installation-media'
        ToolName = 'ISO'
        ColumnSpan = 2
        ActionMode = 'link'
    }
    [pscustomobject]@{
        Name = 'LinkMicrosoft'
        IconFile = 'link-microsoft.png'
        Title = 'Microsoft Learn'
        Description = 'Dokumentacija za Windows i PowerShell.'
        IconText = 'M'
        AccentColor = $ColorSecondary
        Command = 'https://learn.microsoft.com/'
        ToolName = 'Microsoft Learn'
        ColumnSpan = 1
        ActionMode = 'link'
    }
    [pscustomobject]@{
        Name = 'LinkPSGallery'
        IconFile = 'link-powershell-gallery.png'
        Title = 'PowerShell Gallery'
        Description = 'Moduli, skripte i paketi za PowerShell.'
        IconText = 'P'
        AccentColor = $ColorPurple
        Command = 'https://www.powershellgallery.com/'
        ToolName = 'PowerShell Gallery'
        ColumnSpan = 2
        ActionMode = 'link'
    }
)

# ============================================================
# GLAVNA FORMA
# ============================================================

$Forma1 = [System.Windows.Forms.Form]::new()
$Forma1.Name = 'WindowsToolbox'
$Forma1.Text = 'Windows Toolbox'
$Forma1.ClientSize = [System.Drawing.Size]::new(620, 930) 
$Forma1.StartPosition = [System.Windows.Forms.FormStartPosition]::CenterScreen
$Forma1.FormBorderStyle = [System.Windows.Forms.FormBorderStyle]::None
$Forma1.BackColor = $ColorBackground
$Forma1.Font = [System.Drawing.Font]::new('Segoe UI', 10)
$Forma1.ShowIcon = $false
$Forma1.MaximizeBox = $false
$Forma1.MinimizeBox = $true
$Forma1.KeyPreview = $true

# ============================================================
# GORNJA TRAKA
# ============================================================

$TopBar = [System.Windows.Forms.Panel]::new()
$TopBar.Location = [System.Drawing.Point]::new(0, 0)
$TopBar.Size = [System.Drawing.Size]::new(620, 58)
$TopBar.BackColor = $ColorTopBar
$Forma1.Controls.Add($TopBar)

$AccentLine = [System.Windows.Forms.Panel]::new()
$AccentLine.Location = [System.Drawing.Point]::new(0, 0)
$AccentLine.Size = [System.Drawing.Size]::new(6, 58)
$AccentLine.BackColor = $ColorPrimary
$TopBar.Controls.Add($AccentLine)

$TitleLabel = [System.Windows.Forms.Label]::new()
$TitleLabel.Text = 'Windows Toolbox by sokomm'
$TitleLabel.Location = [System.Drawing.Point]::new(24, 8)
$TitleLabel.Size = [System.Drawing.Size]::new(320, 25)
$TitleLabel.Font = [System.Drawing.Font]::new('Segoe UI', 12, [System.Drawing.FontStyle]::Bold)
$TitleLabel.ForeColor = $ColorText
$TopBar.Controls.Add($TitleLabel)

$SubtitleLabel = [System.Windows.Forms.Label]::new()
$SubtitleLabel.Text = 'Administrativni alati , skripte i linkovi'
$SubtitleLabel.Location = [System.Drawing.Point]::new(25, 33)
$SubtitleLabel.Size = [System.Drawing.Size]::new(390, 18)
$SubtitleLabel.Font = [System.Drawing.Font]::new('Segoe UI', 8.5)
$SubtitleLabel.ForeColor = $ColorMuted
$TopBar.Controls.Add($SubtitleLabel)

$MinimizeButton = [System.Windows.Forms.Button]::new()
$MinimizeButton.Text = '—'
$MinimizeButton.Location = [System.Drawing.Point]::new(520, 0)
$MinimizeButton.Size = [System.Drawing.Size]::new(50, 58)
$MinimizeButton.FlatStyle = [System.Windows.Forms.FlatStyle]::Flat
$MinimizeButton.FlatAppearance.BorderSize = 0
$MinimizeButton.FlatAppearance.MouseOverBackColor = [System.Drawing.ColorTranslator]::FromHtml('#26344D')
$MinimizeButton.BackColor = $ColorTopBar
$MinimizeButton.ForeColor = $ColorText
$MinimizeButton.Font = [System.Drawing.Font]::new('Segoe UI', 12)
$MinimizeButton.Cursor = [System.Windows.Forms.Cursors]::Hand
$TopBar.Controls.Add($MinimizeButton)

$CloseButton = [System.Windows.Forms.Button]::new()
$CloseButton.Text = '×'
$CloseButton.Location = [System.Drawing.Point]::new(570, 0)
$CloseButton.Size = [System.Drawing.Size]::new(50, 58)
$CloseButton.FlatStyle = [System.Windows.Forms.FlatStyle]::Flat
$CloseButton.FlatAppearance.BorderSize = 0
$CloseButton.FlatAppearance.MouseOverBackColor = [System.Drawing.ColorTranslator]::FromHtml('#DC2626')
$CloseButton.BackColor = $ColorTopBar
$CloseButton.ForeColor = $ColorText
$CloseButton.Font = [System.Drawing.Font]::new('Segoe UI', 16)
$CloseButton.Cursor = [System.Windows.Forms.Cursors]::Hand
$TopBar.Controls.Add($CloseButton)

$MoveWindow = {
    [NativeMethods]::ReleaseCapture() | Out-Null
    [NativeMethods]::SendMessage($Forma1.Handle, 0xA1, [IntPtr]2, [IntPtr]0) | Out-Null
}

$TopBar.Add_MouseDown($MoveWindow)
$TitleLabel.Add_MouseDown($MoveWindow)
$SubtitleLabel.Add_MouseDown($MoveWindow)

# ============================================================
# NASLOVI I SEKCIJE
# ============================================================

$ToolsSectionLabel = [System.Windows.Forms.Label]::new()
$ToolsSectionLabel.Text = 'Alati'
$ToolsSectionLabel.Location = [System.Drawing.Point]::new(35, 60)
$ToolsSectionLabel.Size = [System.Drawing.Size]::new(200, 24)
$ToolsSectionLabel.ForeColor = $ColorText
$ToolsSectionLabel.Font = [System.Drawing.Font]::new('Segoe UI', 12, [System.Drawing.FontStyle]::Bold)
$Forma1.Controls.Add($ToolsSectionLabel)

$ToolsDescription = [System.Windows.Forms.Label]::new()
$ToolsDescription.Text = 'Internet alati za instalaciju, optimizaciju i udaljeni pristup.'
$ToolsDescription.Location = [System.Drawing.Point]::new(35, 89)
$ToolsDescription.Size = [System.Drawing.Size]::new(550, 24)
$ToolsDescription.ForeColor = $ColorMuted
$ToolsDescription.Font = [System.Drawing.Font]::new('Segoe UI', 9.1)
$Forma1.Controls.Add($ToolsDescription)

$ToolSection = Add-CardSection -Parent $Forma1 -Items $ToolItems -StartY 116

$ScriptsSectionLabel = [System.Windows.Forms.Label]::new()
$ScriptsSectionLabel.Text = 'Skripte'
$ScriptsSectionLabel.Location = [System.Drawing.Point]::new(35, $ToolSection.NextY - 2)
$ScriptsSectionLabel.Size = [System.Drawing.Size]::new(220, 24)
$ScriptsSectionLabel.ForeColor = $ColorText
$ScriptsSectionLabel.Font = [System.Drawing.Font]::new('Segoe UI', 12, [System.Drawing.FontStyle]::Bold)
$Forma1.Controls.Add($ScriptsSectionLabel)

$ScriptsDescription = [System.Windows.Forms.Label]::new()
$ScriptsDescription.Text = 'Kraće lokalne skripte i tweakovi sa proverama za Windows 11 gde je potrebno.'
$ScriptsDescription.Location = [System.Drawing.Point]::new(35, $ToolSection.NextY + 22)
$ScriptsDescription.Size = [System.Drawing.Size]::new(550, 24)
$ScriptsDescription.ForeColor = $ColorMuted
$ScriptsDescription.Font = [System.Drawing.Font]::new('Segoe UI', 9.1)
$Forma1.Controls.Add($ScriptsDescription)

$ScriptSection = Add-CardSection -Parent $Forma1 -Items $ScriptItems -StartY ($ToolSection.NextY + 50)

$LinksSectionLabel = [System.Windows.Forms.Label]::new()
$LinksSectionLabel.Text = 'Linkovi'
$LinksSectionLabel.Location = [System.Drawing.Point]::new(35, $ScriptSection.NextY - 2)
$LinksSectionLabel.Size = [System.Drawing.Size]::new(220, 24)
$LinksSectionLabel.ForeColor = $ColorText
$LinksSectionLabel.Font = [System.Drawing.Font]::new('Segoe UI', 12, [System.Drawing.FontStyle]::Bold)
$Forma1.Controls.Add($LinksSectionLabel)

$LinksDescription = [System.Windows.Forms.Label]::new()
$LinksDescription.Text = 'Korisni linkovi koji se otvaraju direktno u browseru.'
$LinksDescription.Location = [System.Drawing.Point]::new(35, $ScriptSection.NextY + 22)
$LinksDescription.Size = [System.Drawing.Size]::new(550, 24)
$LinksDescription.ForeColor = $ColorMuted
$LinksDescription.Font = [System.Drawing.Font]::new('Segoe UI', 9.1)
$Forma1.Controls.Add($LinksDescription)

$LinkSection = Add-CardSection -Parent $Forma1 -Items $LinkItems -StartY ($ScriptSection.NextY + 50)

$AllCards = [System.Collections.Generic.List[object]]::new()
foreach ($card in $ToolSection.Cards) { [void]$AllCards.Add($card) }
foreach ($card in $ScriptSection.Cards) { [void]$AllCards.Add($card) }
foreach ($card in $LinkSection.Cards) { [void]$AllCards.Add($card) }

# ============================================================
# STATUS I FOOTER
# ============================================================

$StatusPanel = [System.Windows.Forms.Panel]::new()
$StatusPanel.Location = [System.Drawing.Point]::new(35, $LinkSection.NextY + 8)
$StatusPanel.Size = [System.Drawing.Size]::new(550, 45)
$StatusPanel.BackColor = $ColorCard
$Forma1.Controls.Add($StatusPanel)

$StatusDot = [System.Windows.Forms.Label]::new()
$StatusDot.Text = '●'
$StatusDot.Location = [System.Drawing.Point]::new(16, 9)
$StatusDot.Size = [System.Drawing.Size]::new(25, 25)
$StatusDot.ForeColor = $ColorMuted
$StatusDot.Font = [System.Drawing.Font]::new('Segoe UI', 12)
$StatusPanel.Controls.Add($StatusDot)

$StatusLabel = [System.Windows.Forms.Label]::new()
$StatusLabel.Text = 'Spremno za pokretanje'
$StatusLabel.Location = [System.Drawing.Point]::new(46, 12)
$StatusLabel.Size = [System.Drawing.Size]::new(490, 24)
$StatusLabel.ForeColor = $ColorMuted
$StatusLabel.Font = [System.Drawing.Font]::new('Segoe UI', 10)
$StatusPanel.Controls.Add($StatusLabel)


$FooterLabel = [System.Windows.Forms.Label]::new()
$FooterLabel.Text = 'Internet alati se preuzimaju online, a lokalne skripte se pokreću sa administratorskim pravima kada je potrebno.'
$FooterLabel.Location = [System.Drawing.Point]::new(36, $LinkSection.NextY + 55)
$FooterLabel.Size = [System.Drawing.Size]::new(550, 18)
$FooterLabel.ForeColor = $ColorMuted
$FooterLabel.Font = [System.Drawing.Font]::new('Segoe UI', 7.7)
$Forma1.Controls.Add($FooterLabel)

# ============================================================
# ZAOBLJENE IVICE
# ============================================================

$Forma1.Add_Shown({
    Set-RoundedRegion -Control $Forma1 -Radius 22

    foreach ($card in $AllCards) {
        Set-RoundedRegion -Control $card.Panel -Radius 18
        Set-RoundedRegion -Control $card.IconPanel -Radius 16
    }

    Set-RoundedRegion -Control $StatusPanel -Radius 14
})

# ============================================================
# DOGAĐAJI
# ============================================================

$MinimizeButton.Add_Click({
    $Forma1.WindowState = [System.Windows.Forms.FormWindowState]::Minimized
})

$CloseButton.Add_Click({ $Forma1.Close() })

$Forma1.Add_KeyDown({
    param($sender, $eventArgs)

    if ($eventArgs.KeyCode -eq [System.Windows.Forms.Keys]::Escape) {
        $Forma1.Close()
    }
})

# ============================================================
# PRIKAZ FORME
# ============================================================

[void]$Forma1.ShowDialog()
$Forma1.Dispose()