$ErrorActionPreference = "Stop"

$Root = Resolve-Path "$PSScriptRoot\..\.."
Set-Location $Root

if ($env:OS -ne "Windows_NT") {
    Write-Error "wrong platform, use cargo xtask build"
    exit 1
}

Write-Host "Building Rust binary (release)..."
cargo build --release --bin yr_crystals

$Bin = Join-Path $Root "target\release\yr_crystals.exe"
if (-not (Test-Path $Bin)) {
    Write-Error "yr_crystals.exe not found at $Bin"
    exit 1
}

$Build = Join-Path $Root "build"
$BinDir = Join-Path $Build "bin"
New-Item -ItemType Directory -Force -Path $BinDir | Out-Null
Copy-Item $Bin (Join-Path $BinDir "yr_crystals.exe") -Force

$Svg = Join-Path $Root "assets\Icon.svg"
$Magick = Get-Command magick -ErrorAction SilentlyContinue
if ((Test-Path $Svg) -and $Magick) {
    Write-Host "Generating yr_crystals.ico..."
    $IconDir = Join-Path $Build "icons"
    New-Item -ItemType Directory -Force -Path $IconDir | Out-Null
    $Sizes = 16, 32, 48, 64, 128, 256
    $Pngs = @()
    foreach ($s in $Sizes) {
        $Out = Join-Path $IconDir "icon_$s.png"
        & $Magick.Source -background none -density 384 $Svg -resize ${s}x${s} $Out
        $Pngs += $Out
    }
    & $Magick.Source $Pngs (Join-Path $BinDir "yr_crystals.ico")
    Remove-Item $IconDir -Recurse -Force
}

Write-Host "Built: $BinDir\yr_crystals.exe"