<#
.SYNOPSIS
    Build & package SpdUp – Gaming Booster
.DESCRIPTION
    1. Publishes the app as self-contained (win-x64)
    2. Optionally compiles the Inno Setup installer into a single .exe
.EXAMPLE
    .\build-installer.ps1              # Publish only
    .\build-installer.ps1 -Installer   # Publish + compile installer
#>
param(
    [switch]$Installer,
    [string]$Configuration = "Release"
)

$ErrorActionPreference = "Stop"
$root   = $PSScriptRoot
$proj   = Join-Path $root "SpdUp.csproj"
$pubDir = Join-Path $root "publish\SpdUp"
$issFile = Join-Path $root "Installer\SpdUpSetup.iss"

# ── Step 1: Clean previous publish ────────────────────────
Write-Host "`n=== Cleaning previous publish ===" -ForegroundColor Cyan
if (Test-Path $pubDir) {
    Remove-Item $pubDir -Recurse -Force
}

# ── Step 2: Publish self-contained ────────────────────────
Write-Host "`n=== Publishing SpdUp (self-contained, win-x64, $Configuration) ===" -ForegroundColor Cyan
dotnet publish $proj `
    -c $Configuration `
    -r win-x64 `
    --self-contained true `
    -o $pubDir

if ($LASTEXITCODE -ne 0) {
    Write-Error "dotnet publish failed with exit code $LASTEXITCODE"
    exit 1
}

$files = Get-ChildItem $pubDir -Recurse -File
$totalMB = [math]::Round(($files | Measure-Object -Property Length -Sum).Sum / 1MB, 1)
Write-Host "`nPublished $($files.Count) files ($totalMB MB) to: $pubDir" -ForegroundColor Green

# ── Step 3 (optional): Compile Inno Setup installer ──────
if ($Installer) {
    Write-Host "`n=== Compiling Inno Setup installer ===" -ForegroundColor Cyan

    # Try to find ISCC.exe (Inno Setup Compiler)
    $isccPaths = @(
        "${env:ProgramFiles(x86)}\Inno Setup 6\ISCC.exe",
        "${env:ProgramFiles}\Inno Setup 6\ISCC.exe",
        "${env:ProgramFiles(x86)}\Inno Setup 5\ISCC.exe"
    )
    $iscc = $isccPaths | Where-Object { Test-Path $_ } | Select-Object -First 1

    if (-not $iscc) {
        Write-Host ""
        Write-Warning "Inno Setup not found! Install it from: https://jrsoftware.org/isdl.php"
        Write-Host "After installing, run this script again with -Installer" -ForegroundColor Yellow
        Write-Host "`nAlternatively, open '$issFile' directly in Inno Setup and click Compile." -ForegroundColor Yellow
        exit 1
    }

    Write-Host "Using: $iscc"
    & $iscc $issFile

    if ($LASTEXITCODE -ne 0) {
        Write-Error "Inno Setup compilation failed with exit code $LASTEXITCODE"
        exit 1
    }

    $setupExe = Get-ChildItem (Join-Path $root "publish") -Filter "SpdUp_Setup_*.exe" | Select-Object -First 1
    if ($setupExe) {
        $sizeMB = [math]::Round($setupExe.Length / 1MB, 1)
        Write-Host "`nInstaller created: $($setupExe.FullName) ($sizeMB MB)" -ForegroundColor Green
    }
}
else {
    Write-Host "`n=== Skipping installer (use -Installer to compile setup.exe) ===" -ForegroundColor Yellow
    Write-Host "To create the installer, either:"
    Write-Host "  1. Run: .\build-installer.ps1 -Installer"
    Write-Host "  2. Install Inno Setup 6, open '$issFile', click Compile"
}

Write-Host "`nDone!" -ForegroundColor Green