# file: universal_installer.ps1
# Universal package installer:
# - Downloads packages.zip
# - Extracts packages.json next to the script
# - Displays colored menu
# - Downloads selected ZIP archive
# - Extracts or saves according to JSON rules

$ScriptDir = Split-Path -Parent $MyInvocation.MyCommand.Definition

# URL of the packages.zip archive
$PackagesZipUrl = "https://as-wiki.ru/_media/support/packages.zip"
$PackagesZip    = Join-Path $ScriptDir "packages.zip"

Write-Host "Downloading packages.zip..."
Invoke-WebRequest -Uri $PackagesZipUrl -OutFile $PackagesZip -UseBasicParsing


# ========== UNPACK packages.zip (RELIABLE METHOD) ==========
Write-Host "Unpacking packages.zip..."

Add-Type -AssemblyName System.IO.Compression.FileSystem

try {
    # Remove old JSON if exists
    $ExistingJson = Join-Path $ScriptDir "packages.json"
    if (Test-Path $ExistingJson) { Remove-Item $ExistingJson -Force }

    # Extract all files directly into script directory
    [System.IO.Compression.ZipFile]::ExtractToDirectory($PackagesZip, $ScriptDir, $true)
}
catch {
    Write-Host "ERROR: Failed to unpack packages.zip" -ForegroundColor Red
    Write-Host $_.Exception.Message -ForegroundColor Yellow
    pause
    exit
}


# ========== LOAD JSON ==========
$JsonPath = Join-Path $ScriptDir "packages.json"

if (-not (Test-Path $JsonPath)) {
    Write-Host "ERROR: packages.json not found inside packages.zip" -ForegroundColor Red
    pause
    exit
}

$JsonData = Get-Content $JsonPath -Raw | ConvertFrom-Json
$Packages = $JsonData.packages


# ========== MENU DISPLAY ==========
function Show-Menu {
    Clear-Host
    Write-Host "=== Package Installer ===`n"

    $i = 1
    foreach ($pkg in $Packages) {

        $line = "{0} - {1} : {2}" -f $i, $pkg.name, $pkg.desc

        if ($i % 2 -eq 0) {
            Write-Host $line -ForegroundColor Gray
        } else {
            Write-Host $line -ForegroundColor White
        }

        $i++
    }

    Write-Host "`n0, 00 - Exit"
}


# ========== MAIN LOOP ==========
while ($true) {
    Show-Menu
    $choice = Read-Host "Select number"

    if ($choice -eq "0" -or $choice -eq "00") { exit }

    if (($choice -as [int]) -lt 1 -or ($choice -as [int]) -gt $Packages.Count) {
        Write-Host "Invalid choice." -ForegroundColor Red
        Start-Sleep 1.5
        continue
    }

    $Index = [int]$choice - 1
    $Item  = $Packages[$Index]

    Write-Host "`nSelected: $($Item.name)"


    # ========== DOWNLOAD ARCHIVE ==========
    $FileName = Split-Path $Item.url -Leaf
    $ArchivePath = Join-Path $ScriptDir $FileName

    Write-Host "Downloading $FileName..."
    Invoke-WebRequest -Uri $Item.url -OutFile $ArchivePath



    # ========== DETERMINE EXTRACTION TARGET ==========
    if ($Item.target) {
        $Target = Join-Path $ScriptDir $Item.target
    } else {
        $Base = [IO.Path]::GetFileNameWithoutExtension($FileName)
        $Target = Join-Path $ScriptDir $Base
    }

    if (-not (Test-Path $Target)) {
        New-Item -ItemType Directory -Path $Target | Out-Null
    }


    # ========== EXTRACT OR JUST SAVE ==========
    if ($Item.extract -eq $true) {
        Write-Host "Extracting to $Target..."

        try {
            Add-Type -AssemblyName System.IO.Compression.FileSystem
            [System.IO.Compression.ZipFile]::ExtractToDirectory($ArchivePath, $Target, $true)
        }
        catch {
            Write-Host "ERROR extracting archive" -ForegroundColor Red
            Write-Host $_.Exception.Message -ForegroundColor Yellow
        }
    }
    else {
        Write-Host "Download complete (no extraction)."
    }

    Write-Host "`nDone."
    pause
}