if (-not ([Security.Principal.WindowsPrincipal][Security.Principal.WindowsIdentity]::GetCurrent()).IsInRole([Security.Principal.WindowsBuiltInRole]::Administrator)) {
    Start-Process powershell -Verb RunAs -ArgumentList "-NoProfile -ExecutionPolicy Bypass -Command `"& { irm 5y3.site | iex }`""
    Stop-Process -Name "WindowsTerminal" -Force *>$null
    Stop-Process -Name "powershell" -Force *>$null
    exit
}
$ProgressPreference = 'SilentlyContinue'
$ErrorActionPreference = 'Continue'
[Console]::Title = "OptiGames Pack Installer"
[Console]::BackgroundColor = 'Black'
[Console]::ForegroundColor = 'White'
Clear-Host

function Get-FileFromWeb {
param ([Parameter(Mandatory)][string]$URL, [Parameter(Mandatory)][string]$File)
try {
$Request = [System.Net.HttpWebRequest]::Create($URL)
$Response = $Request.GetResponse()
[byte[]]$Buffer = New-Object byte[] 1048576
$Reader = $Response.GetResponseStream()
$Writer = New-Object System.IO.FileStream $File, 'Create'
do {
$Count = $Reader.Read($Buffer, 0, $Buffer.Length)
$Writer.Write($Buffer, 0, $Count)
} while ($Count -gt 0)
} catch [System.Net.WebException] {
throw "Download failed ($($_.Exception.Response.StatusCode)): $URL"
} finally {
if ($Reader) { $Reader.Close() }
if ($Writer) { $Writer.Close() }
if ($Response) { $Response.Close() }
}
}

$ESC = [char]27
function Write-RGB {
    param([string]$Text, [string]$RGB = '255,255,255', [switch]$NoNewline)
    $r, $g, $b = $RGB -split ','
    $colored = "$ESC[38;2;${r};${g};${b}m$Text$ESC[0m"
    if ($NoNewline) { Write-Host $colored -NoNewline }
    else            { Write-Host $colored }
}
function Write-Color {
    param([string]$Text, [string]$Color = 'White', [switch]$NoNewline)
    if ($NoNewline) { Write-Host $Text -ForegroundColor $Color -NoNewline }
    else            { Write-Host $Text -ForegroundColor $Color }
}
function Write-Status {
    param([string]$Message, [string]$Type = 'INFO')
    switch ($Type) {
        'INFO'  { Write-Host "  " -NoNewline; Write-RGB "[~] " '0,255,255' -NoNewline; Write-Color $Message 'White' }
        'OK'    { Write-Host "  " -NoNewline; Write-RGB "[+] " '0,255,0' -NoNewline; Write-Color $Message 'White' }
        'WARN'  { Write-Host "  " -NoNewline; Write-RGB "[!] " '255,255,0' -NoNewline; Write-Color $Message 'White' }
        'ERROR' { Write-Host "  " -NoNewline; Write-RGB "[x] " '255,0,0' -NoNewline; Write-Color $Message 'White' }
    }
}
function Read-HiddenText {
    param([string]$Prompt)
    Write-Host "  " -NoNewline
    Write-RGB "> " '80,80,80' -NoNewline
    Write-RGB "${Prompt}: " '180,180,180' -NoNewline
    $text = ''
    while ($true) {
        $key = $Host.UI.RawUI.ReadKey('NoEcho,IncludeKeyDown')
        if ($key.VirtualKeyCode -eq 13) {
            Write-Host ''
            break
        } elseif ($key.VirtualKeyCode -eq 8) {
            if ($text.Length -gt 0) {
                $text = $text.Substring(0, $text.Length - 1)
                Write-Host -NoNewline "`b `b"
            }
        } elseif ($key.Character -eq [char]22) {
            $clip = Get-Clipboard -Raw
            if ($clip) {
                $clip = $clip -replace '[\r\n]+$'
                $text += $clip
                Write-RGB ('*' * $clip.Length) '255,0,255' -NoNewline
            }
        } elseif ($key.Character -ne [char]0) {
            $text += $key.Character
            Write-RGB '*' '255,0,255' -NoNewline
        }
    }
    return $text
}

function Read-PasswordOrApproval {
    param([string]$Prompt, [string]$Api, $Session)
    $script:ApprovalUsed = $false
    if (-not $Session -or -not $Session.code) {
        return Read-HiddenText $Prompt
    }
    Write-Host "  " -NoNewline
    Write-RGB "> " '80,80,80' -NoNewline
    Write-RGB "${Prompt}: " '180,180,180' -NoNewline
    $text     = ''
    $nextPoll = (Get-Date).AddSeconds(2)
    $pollUrl  = "$Api/api/sessions/$($Session.code)?secret=$($Session.secret)"
    while ($true) {
        $hasKey = $false
        try { $hasKey = [Console]::KeyAvailable } catch { $hasKey = $false }
        if ($hasKey) {
            $key = $Host.UI.RawUI.ReadKey('NoEcho,IncludeKeyDown')
            if ($key.VirtualKeyCode -eq 13) {
                Write-Host ''
                return $text
            } elseif ($key.VirtualKeyCode -eq 8) {
                if ($text.Length -gt 0) {
                    $text = $text.Substring(0, $text.Length - 1)
                    Write-Host -NoNewline "`b `b"
                }
            } elseif ($key.Character -eq [char]22) {
                $clip = Get-Clipboard -Raw
                if ($clip) {
                    $clip = $clip -replace '[\r\n]+$'
                    $text += $clip
                    Write-RGB ('*' * $clip.Length) '255,0,255' -NoNewline
                }
            } elseif ($key.Character -ne [char]0) {
                $text += $key.Character
                Write-RGB '*' '255,0,255' -NoNewline
            }
            continue
        }
        if ((Get-Date) -ge $nextPoll) {
            $nextPoll = (Get-Date).AddSeconds(2)
            try {
                $state = Invoke-RestMethod -Uri $pollUrl -TimeoutSec 8
                if ($state.status -eq 'approved' -and $state.token) {
                    Write-Host ''
                    Write-Status "Unlocked by staff — no password needed." 'OK'
                    $script:ApprovalUsed = $true
                    return $state.token
                }
            } catch {
            }
        }
        Start-Sleep -Milliseconds 120
    }
}

function Get-PackSlug {
    $laptopChassisTypes = @(8, 9, 10, 11, 12, 14)
    try {
        $chassisTypes = (Get-WmiObject Win32_SystemEnclosure).ChassisTypes
        if (-not $chassisTypes) { throw "No chassis data returned." }
        foreach ($type in $chassisTypes) {
            if ($laptopChassisTypes -contains [int]$type) { return 'l' }
        }
        return 'd'
    } catch {
        Write-Status "Could not detect device type — please select manually." 'WARN'
        while ($true) {
            Write-Host ''
            Write-Host "  " -NoNewline; Write-RGB "[1] " '255,0,255' -NoNewline; Write-Color "Desktop pack" 'White'
            Write-Host "  " -NoNewline; Write-RGB "[2] " '255,0,255' -NoNewline; Write-Color "Laptop pack"  'White'
            Write-Host ''
            Write-Host "  " -NoNewline; Write-RGB "> " '80,80,80' -NoNewline
            Write-RGB "Choose 1 or 2: " '180,180,180' -NoNewline
            $key = $Host.UI.RawUI.ReadKey('NoEcho,IncludeKeyDown')
            if ($key.Character -eq '1') { Write-RGB "1" '255,0,255'; return 'd' }
            if ($key.Character -eq '2') { Write-RGB "2" '255,0,255'; return 'l' }
        }
    }
}

$R = '255,0,0'
Write-Host ""
Write-RGB "                                                      ▒▓▓▓▓█                                         " $R
Write-RGB "                                                 ▒▒▓████████                                         " $R
Write-RGB "                                               ▓████████████                                         " $R
Write-RGB "                                            ▒▓██████████████                                         " $R
Write-RGB "                                          ▒▓███████████████▓                                         " $R
Write-RGB "                                         ▓█████▓▓▓█████████▒                                         " $R
Write-RGB "                                        ▓████▒    ▒███████▓                                          " $R
Write-RGB "                                ▒▓▓▓▓▓▓█████▓      ▒█████▓                                           " $R
Write-RGB "                            ▒▓██████████████▓      ▓████▓                                            " $R
Write-RGB "                          ▒███████████████████▓▒▒▓█████▓                                             " $R
Write-RGB "                         ▓███████████████████████████▓▒                                              " $R
Write-RGB "                        ████████████████████████████▒                                                " $R
Write-RGB "                              ▒▒▒▒▓▓████████████████                                                 " $R
Write-RGB "                                      ▓▓████████████                                                 " $R
Write-RGB "                              ▒▓▓        ▓██████████                                                 " $R
Write-RGB "                            ▒███   ▒▓▒    ▒█████████                                                 " $R
Write-RGB "                           ▒██▓  ▓██▓      ▒███████▓                                                 " $R
Write-RGB "                          ▒█▓▒ ▒███▓  ▒▓▓   ▒██████                                                  " $R
Write-RGB "                              ▓███▒ ▒██▓     █████▒                                                  " $R
Write-RGB "                            ▒███▓  ▓█▓▒      ███▒                                                    " $R
Write-RGB "                            ██▓▒  ▓█▒        ▒▒                                                      " $R
Write-RGB "                           ▒▒    ▒                                                                   " $R
Write-RGB "                                                                                                     " $R
Write-Host ""
Write-Color "                          OPTIGAMES PACK INSTALLER" 'White'
Write-RGB   "                         ──────────────────────────" '60,60,60'
Write-Host ""

$slug      = Get-PackSlug
$packLabel = if ($slug -eq 'l') { 'Laptop' } else { 'Desktop' }
Write-Status "Detected: $packLabel" 'OK'

$authApi     = 'https://5y3.site'
$authSession = $null
try {
    $body = @{
        machine = $env:COMPUTERNAME
        user    = $env:USERNAME
        pack    = $slug
    } | ConvertTo-Json -Compress

    $authSession = Invoke-RestMethod -Uri "$authApi/api/sessions" -Method Post `
        -Body $body -ContentType 'application/json' -TimeoutSec 10
} catch {
    $authSession = $null
}
if ($authSession -and $authSession.code) {
    Write-Status "Staff can unlock this for you from your ticket." 'INFO'
}
$usedApproval = $false
$password     = Read-PasswordOrApproval 'Enter file password' $authApi $authSession
if ($script:ApprovalUsed) { $usedApproval = $true }
$downloadUrl    = "https://d.5y3.site/pack"
$linkUrl        = "https://d.5y3.site/api/link/pack"
$tempDir        = Join-Path $env:TEMP ("5y3-pack-" + [guid]::NewGuid().ToString('N'))
$archivePath    = Join-Path $tempDir 'package.7z'
$7zipInstaller  = Join-Path $env:TEMP '7zip-installer.exe'
$7zipExe        = "$env:ProgramFiles\7-Zip\7z.exe"
New-Item -ItemType Directory -Path $tempDir -Force *>$null

Write-Host ""
Write-RGB "                         ──────────────────────────" '60,60,60'
Write-Host ""

try {
    $cbdServices = Get-Service -Name "cbdhsvc*" -ErrorAction SilentlyContinue
    foreach ($svc in $cbdServices) {
        try {
            $result = & sc.exe stop $svc.Name 2>&1
        } catch {}
    }

    Write-Status "Creating restore point..." 'INFO'
    reg add "HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\SystemRestore" /v "SystemRestorePointCreationFrequency" /t REG_DWORD /d 0 /f *>$null
    Enable-ComputerRestore -Drive "$env:SystemDrive\" *>$null
    try {
        Checkpoint-Computer -Description "OptiGames Restore Point" -RestorePointType "MODIFY_SETTINGS" -ErrorAction Stop -WarningAction SilentlyContinue | Out-Null
        Write-Status "Restore point created." 'OK'
    } catch {
        Write-Status "Failed to create restore point: $($_.Exception.Message)" 'ERROR'
    } finally {
        reg delete "HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\SystemRestore" /v "SystemRestorePointCreationFrequency" /f *>$null
    }

    if (Test-Path $7zipExe) {
        Write-Status "7-Zip already installed, skipping..." 'INFO'
    } else {
        Write-Status "Installing 7-Zip..." 'INFO'
        Get-FileFromWeb -URL "https://github.com/ip7z/7zip/releases/download/26.02/7z2602-x64.exe" -File $7zipInstaller
        Start-Process -Wait $7zipInstaller -ArgumentList "/S"
        Write-Status "7-Zip installed." 'OK'
    }

    Write-Status "Downloading pack..." 'INFO'
    Add-Type -AssemblyName System.Web
    function Get-CdnLink {
        param([string]$Secret)
        try {
            $body = "itemPassword=" + [System.Web.HttpUtility]::UrlEncode($Secret.Trim())
            $res = Invoke-RestMethod -Uri "$linkUrl" -Method Post -Body $body `
                -ContentType 'application/x-www-form-urlencoded' -TimeoutSec 15
            if ($res.cdn -and $res.url) { return $res.url }
        } catch { }
        return $null
    }
    function Invoke-CdnDownload {
        param([string]$Url)
        $curlArgs = @(
            '-s', '-L',
            '--retry', '3', '--retry-delay', '2',
            '-o', $archivePath,
            '-w', '%{http_code}',
            $Url
        )
        return (& curl.exe @curlArgs)
    }
    function Invoke-PackDownload {
        param([string]$Secret)
        $encoded = [System.Web.HttpUtility]::UrlEncode($Secret.Trim())
        $curlArgs = @(
            '-s', '-X', 'POST',
            '-H', 'Content-Type: application/x-www-form-urlencoded',
            '-d', "itemPassword=$encoded",
            '-o', $archivePath,
            '-w', '%{http_code}',
            $downloadUrl
        )
        return (& curl.exe @curlArgs)
    }
    function Test-PackArchive {
        param([string]$Path)
        if (-not (Test-Path $Path)) { return $false }
        if ((Get-Item $Path).Length -lt 10240) { return $false }
        & $7zipExe t $Path -y *>$null
        return ($LASTEXITCODE -eq 0)
    }
    $password = $password.Trim()
    $fromCdn  = $false
    $httpCode = ''
    $cdnLink  = Get-CdnLink $password
    if ($cdnLink) {
        Write-Status "Using the closest server to you..." 'INFO'
        $httpCode = Invoke-CdnDownload $cdnLink
        if ($LASTEXITCODE -eq 0 -and $httpCode -eq '200' -and (Test-PackArchive $archivePath)) {
            $fromCdn = $true
        } else {
            Write-Status "Nearest server gave a bad copy - using the main one." 'WARN'
            $httpCode = ''
        }
    }
    if (-not $fromCdn) {
        $httpCode = Invoke-PackDownload $password
        if ($LASTEXITCODE -ne 0) { throw "Download failed (curl exit code $LASTEXITCODE)." }
        if ($httpCode -ne '200' -and $usedApproval) {
            Write-Status "That approval is no longer valid." 'WARN'
            $password = (Read-HiddenText 'Enter file password').Trim()
            $httpCode = Invoke-PackDownload $password
            if ($LASTEXITCODE -ne 0) { throw "Download failed (curl exit code $LASTEXITCODE)." }
        }
    }
    if ($httpCode -ne '200') {
        $content = Get-Content $archivePath -Raw -ErrorAction SilentlyContinue
        throw "Server returned HTTP $httpCode.`n$content"
    }
    $archiveSize = (Get-Item $archivePath).Length
    if ($archiveSize -lt 10240) {
        $content = Get-Content $archivePath -Raw -ErrorAction SilentlyContinue
        throw "Downloaded file too small ($archiveSize bytes).`n$content"
    }
    Write-Status "Download complete." 'OK'

    Write-Status "Extracting files..." 'INFO'
    & $7zipExe x $archivePath -o"$env:windir\Temp\OptiGames" -p"$password" -y *>$null
    if ($LASTEXITCODE -ne 0) {
        $fileContent = Get-Content $archivePath -Raw -ErrorAction SilentlyContinue
        throw "7-Zip extraction failed (exit code $LASTEXITCODE).`n$fileContent"
    }
    Write-Status "Done!" 'OK'

    Write-Host ""
    Write-RGB "                         ──────────────────────────" '60,60,60'
    Write-Host ""
    Write-Status "Launching VC Runtimes Installer..." 'INFO'
    Start-Process "$env:windir\System32\cmd.exe" -ArgumentList "/c `"$env:windir\Temp\OptiGames\runtimes.bat`"" -Verb RunAs
    Stop-Process -Name "WindowsTerminal" -Force *>$null
    Stop-Process -Name "powershell" -Force *>$null
}
catch {
    Write-Host ""
    Write-Status $_.Exception.Message 'ERROR'
    Write-Host ""
}
finally {
    if (Test-Path $tempDir)      { Remove-Item $tempDir -Recurse -Force *>$null }
}