# Open The Box - Initialization Script
# Run this after cloning to download dependencies and verify the environment.
#
# Usage: .\init.ps1

$ErrorActionPreference = "Stop"

$LorelineVersion = "0.7.1"
$LorelineZipUrl = "https://github.com/jeremyfa/loreline/releases/download/v$LorelineVersion/loreline-csharp.zip"
$LibDir = Join-Path $PSScriptRoot "lib"
$LorelineDll = Join-Path $LibDir "Loreline.dll"
$TempZip = Join-Path $LibDir "loreline-csharp.zip"

Write-Host "========================================" -ForegroundColor Cyan
Write-Host "  Open The Box - Project Setup" -ForegroundColor Cyan
Write-Host "========================================" -ForegroundColor Cyan
Write-Host ""

# ── Step 1: Check .NET SDK ────────────────────────────────────────────

Write-Host "[1/3] Checking .NET SDK..." -ForegroundColor Yellow

$sdks = & dotnet --list-sdks 2>$null
$hasNet10 = $sdks | Where-Object { $_ -match "^10\." }

if (-not $hasNet10) {
    Write-Host "  .NET 10 SDK not found." -ForegroundColor Red
    Write-Host "  Install it with: winget install Microsoft.DotNet.SDK.10" -ForegroundColor Red
    Write-Host "  Or download from: https://dotnet.microsoft.com/download/dotnet/10.0" -ForegroundColor Red
    Write-Host ""
    $response = Read-Host "  Attempt to install via winget? (y/N)"
    if ($response -eq "y" -or $response -eq "Y") {
        Write-Host "  Installing .NET 10 SDK..." -ForegroundColor Yellow
        winget install Microsoft.DotNet.SDK.10 --accept-source-agreements --accept-package-agreements
        Write-Host "  Installed. You may need to restart your terminal for PATH changes." -ForegroundColor Green
    } else {
        Write-Host "  Skipping .NET 10 SDK install. Build may fail without it." -ForegroundColor Red
    }
} else {
    $version = ($hasNet10 | Select-Object -First 1) -replace '\s+\[.*$', ''
    Write-Host "  .NET SDK $version found." -ForegroundColor Green
}

Write-Host ""

# ── Step 2: Download Loreline ─────────────────────────────────────────

Write-Host "[2/3] Checking Loreline dependency..." -ForegroundColor Yellow

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

if (Test-Path $LorelineDll) {
    Write-Host "  Loreline.dll already present." -ForegroundColor Green
} else {
    Write-Host "  Downloading Loreline v$LorelineVersion from GitHub..." -ForegroundColor Yellow
    try {
        [Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12

        Invoke-WebRequest -Uri $LorelineZipUrl -OutFile $TempZip -UseBasicParsing

        Write-Host "  Extracting..." -ForegroundColor Yellow
        $extractDir = Join-Path $LibDir "_loreline_extract"
        Expand-Archive -Path $TempZip -DestinationPath $extractDir -Force

        # Find and copy the DLL, XML, and deps.json
        $dllSource = Get-ChildItem -Path $extractDir -Recurse -Filter "Loreline.dll" | Select-Object -First 1
        if ($dllSource) {
            $sourceDir = $dllSource.DirectoryName
            Copy-Item (Join-Path $sourceDir "Loreline.dll") $LibDir -Force
            $xmlFile = Join-Path $sourceDir "Loreline.xml"
            if (Test-Path $xmlFile) { Copy-Item $xmlFile $LibDir -Force }
            $depsFile = Join-Path $sourceDir "Loreline.deps.json"
            if (Test-Path $depsFile) { Copy-Item $depsFile $LibDir -Force }
            Write-Host "  Loreline v$LorelineVersion installed." -ForegroundColor Green
        } else {
            Write-Host "  ERROR: Could not find Loreline.dll in downloaded archive." -ForegroundColor Red
            exit 1
        }

        # Cleanup
        Remove-Item $extractDir -Recurse -Force -ErrorAction SilentlyContinue
        Remove-Item $TempZip -Force -ErrorAction SilentlyContinue
    }
    catch {
        Write-Host "  ERROR: Failed to download Loreline." -ForegroundColor Red
        Write-Host "  $($_.Exception.Message)" -ForegroundColor Red
        Write-Host ""
        Write-Host "  Manual install:" -ForegroundColor Yellow
        Write-Host "    1. Download from: $LorelineZipUrl" -ForegroundColor Yellow
        Write-Host "    2. Extract Loreline.dll to: $LibDir" -ForegroundColor Yellow
        exit 1
    }
}

Write-Host ""

# ── Step 3: Restore NuGet packages ───────────────────────────────────

Write-Host "[3/3] Restoring NuGet packages..." -ForegroundColor Yellow
dotnet restore
if ($LASTEXITCODE -eq 0) {
    Write-Host "  Packages restored." -ForegroundColor Green
} else {
    Write-Host "  WARNING: Package restore failed. Try running 'dotnet restore' manually." -ForegroundColor Red
}

Write-Host ""

# ── Done ──────────────────────────────────────────────────────────────

Write-Host "========================================" -ForegroundColor Green
Write-Host "  Setup complete!" -ForegroundColor Green
Write-Host "========================================" -ForegroundColor Green
Write-Host ""
Write-Host "  To build:  dotnet build" -ForegroundColor Cyan
Write-Host "  To run:    dotnet run --project src/OpenTheBox" -ForegroundColor Cyan
Write-Host ""