<#
.SYNOPSIS
    ThingHK Native AOT build script.
.DESCRIPTION
    Builds ThingHK as Native AOT single-file executable and copies it to src-tauri/binaries/ for Tauri packaging.
    Usage: run .\build.ps1 in the ThingHK/ directory.
#>
[CmdletBinding()]
param(
    [string]$Configuration = "Release",
    [string]$Runtime = "win-x64"
)

$ErrorActionPreference = "Stop"

# Resolve script directory: try multiple methods for compatibility
$scriptDir = $PSScriptRoot
if (-not $scriptDir) {
    $cmd = $MyInvocation.MyCommand
    if ($cmd -and $cmd.Path) {
        $scriptDir = Split-Path -Parent $cmd.Path
    }
}
if (-not $scriptDir) {
    $scriptDir = (Get-Location).Path
}

$projectPath = Join-Path $scriptDir "ThingHK.csproj"
$publishDir = Join-Path $scriptDir "bin\$Configuration\net8.0-windows\$Runtime\publish"
$destDir = Join-Path $scriptDir "..\src-tauri\binaries"
$destPath = Join-Path $destDir "ThingHK.exe"

Write-Host "=== ThingHK Build Started ===" -ForegroundColor Cyan
Write-Host "Config: $Configuration | Runtime: $Runtime"
Write-Host "Project: $projectPath"
Write-Host "ScriptDir: $scriptDir"

if (-not (Test-Path $projectPath)) {
    Write-Error "Project file not found: $projectPath"
    exit 1
}

# 1. Clean old obj cache
$objDir = Join-Path $scriptDir "obj"
if (Test-Path $objDir) {
    Write-Host "`n[1/4] Cleaning obj cache..." -ForegroundColor Yellow
    Remove-Item $objDir -Recurse -Force -ErrorAction SilentlyContinue
}

# 2. dotnet publish (Native AOT)
Write-Host "`n[2/4] Running dotnet publish (Native AOT)..." -ForegroundColor Yellow
& dotnet publish $projectPath -c $Configuration -r $Runtime
if ($LASTEXITCODE -ne 0) {
    Write-Error "dotnet publish failed (exit $LASTEXITCODE)"
    exit $LASTEXITCODE
}

$publishedExe = Join-Path $publishDir "ThingHK.exe"
if (-not (Test-Path $publishedExe)) {
    Write-Error "Build output not found: $publishedExe"
    exit 1
}

# 3. Ensure destination directory exists
if (-not (Test-Path $destDir)) {
    Write-Host "`n[3/4] Creating destination: $destDir" -ForegroundColor Yellow
    New-Item -ItemType Directory -Path $destDir -Force | Out-Null
}

# 4. Copy to src-tauri/binaries/
Write-Host "`n[4/4] Copying to $destPath" -ForegroundColor Yellow
Copy-Item $publishedExe $destPath -Force

$destItem = Get-Item $destPath
Write-Host "`n=== Build Complete ===" -ForegroundColor Green
Write-Host ("Output: {0}" -f $destItem.FullName)
Write-Host ("Size: {0:N2} MB" -f ($destItem.Length / 1MB))
Write-Host ("Time: {0}" -f $destItem.LastWriteTime)