param(
    [ValidateSet('Debug', 'Release')]
    [string]$Configuration = 'Release'
)

$ErrorActionPreference = 'Stop'

$repoRoot = Split-Path -Parent $MyInvocation.MyCommand.Path
$webPanelDir = Join-Path $repoRoot 'web-panel'
$nativeBuildRoot = Join-Path $repoRoot '.tmp/cmake'
$asarFusesSourceDir = Join-Path $repoRoot 'tools/asar-fuses-bypass'
$asarFusesBuildDir = Join-Path $nativeBuildRoot 'asar-fuses-bypass'
$solutionPath = Join-Path $repoRoot 'Wand-Enhancer.sln'

function Resolve-CommandPath {
    param([string]$Name)

    $command = Get-Command $Name -ErrorAction SilentlyContinue
    if (-not $command) {
        throw "Required command not found in PATH: $Name"
    }

    return $command.Source
}

function Resolve-NuGetPath {
    $nugetCommand = Get-Command 'nuget.exe' -ErrorAction SilentlyContinue
    if (-not $nugetCommand) {
        $nugetCommand = Get-Command 'nuget' -ErrorAction SilentlyContinue
    }

    if ($nugetCommand) {
        return $nugetCommand.Source
    }

    $toolsDir = Join-Path $repoRoot '.tmp/tools'
    $nugetPath = Join-Path $toolsDir 'nuget.exe'
    if (-not (Test-Path $nugetPath)) {
        New-Item -ItemType Directory -Path $toolsDir -Force | Out-Null
        Invoke-WebRequest -Uri 'https://dist.nuget.org/win-x86-commandline/latest/nuget.exe' -OutFile $nugetPath
    }

    return $nugetPath
}

function Resolve-MSBuildPath {
    $vswhere = Join-Path ${env:ProgramFiles(x86)} 'Microsoft Visual Studio\Installer\vswhere.exe'
    if (-not (Test-Path $vswhere)) {
        throw "vswhere.exe not found: $vswhere"
    }

    # No version pin: pick whatever VS the host has (2022/2026/newer) so CI
    # keeps working when the runner image bumps its Visual Studio major.
    $installationPath = & $vswhere -latest -prerelease -products '*' -requires Microsoft.Component.MSBuild -property installationPath
    if ([string]::IsNullOrWhiteSpace($installationPath)) {
        throw 'Visual Studio with MSBuild was not found.'
    }

    $msbuildPath = Join-Path $installationPath 'MSBuild\Current\Bin\MSBuild.exe'
    if (-not (Test-Path $msbuildPath)) {
        throw "MSBuild.exe not found: $msbuildPath"
    }

    return $msbuildPath
}

function Invoke-Step {
    param(
        [string]$Label,
        [scriptblock]$Action
    )

    Write-Host "==> $Label" -ForegroundColor Cyan
    & $Action
    if ($LASTEXITCODE -ne 0) {
        throw "Step failed: $Label"
    }
}

$cmake = Resolve-CommandPath 'cmake'
$nuget = Resolve-NuGetPath
$pnpm = Resolve-CommandPath 'pnpm'
$msbuild = Resolve-MSBuildPath

Invoke-Step 'Install web-panel dependencies' {
    & $pnpm --dir $webPanelDir install --frozen-lockfile
}

Invoke-Step 'Build web-panel' {
    & $pnpm --dir $webPanelDir run build
}

Invoke-Step 'Configure asar-fuses-bypass' {
    # Let CMake choose its default Visual Studio generator (matches the host VS),
    # avoiding a hardcoded/derived name that breaks when the runner bumps VS.
    # Clearing CMAKE_GENERATOR ensures the default isn't overridden to a non-VS
    # generator that would reject the -A architecture flag.
    Remove-Item Env:CMAKE_GENERATOR -ErrorAction SilentlyContinue
    & $cmake -S $asarFusesSourceDir -B $asarFusesBuildDir -A x64
}

Invoke-Step 'Build asar-fuses-bypass' {
    & $cmake --build $asarFusesBuildDir --config $Configuration
}

Invoke-Step 'Restore NuGet packages' {
    & $nuget restore $solutionPath -NonInteractive
}

Invoke-Step 'Build solution' {
    & $msbuild $solutionPath /m /p:Configuration=$Configuration '/p:Platform=Any CPU' /t:Build
}

Write-Host ''
Write-Host "Build completed successfully ($Configuration)." -ForegroundColor Green