param(
    [ValidateSet("msvc", "gcc", "android")]
    [string]$Target = "msvc",

    [ValidateSet("Debug", "Release")]
    [string]$Config = "Release",

    [switch]$Clean,

    [string]$AndroidNDK = $env:ANDROID_NDK_HOME,

    [switch]$Static,

    [switch]$RunTests
)

$ErrorActionPreference = "Stop"

$BuildDir = "build/$Target-$Config"
$Generator = ""
$Toolchain = ""
$ExtraArgs = @()

if ($Clean -and (Test-Path $BuildDir)) {
    Remove-Item $BuildDir -Recurse -Force
}

switch ($Target) {

    "msvc" {
        $VsPath = "${env:ProgramFiles(x86)}\Microsoft Visual Studio\2022\BuildTools\Common7\Tools\VsDevCmd.bat"

        if (-not (Test-Path $VsPath)) {
            $VsPath = "${env:ProgramFiles}\Microsoft Visual Studio\2022\Community\Common7\Tools\VsDevCmd.bat"
        }

        if (-not (Test-Path $VsPath)) {
            throw "MSVC environment not found. Install Visual Studio C++ build tools."
        }

        cmd /c "`"$VsPath`" && set" | ForEach-Object {
            if ($_ -match "^(.*?)=(.*)$") {
                Set-Item -Path "env:$($matches[1])" -Value $matches[2]
            }
        }

        $Generator = "Visual Studio 17 2022"
        $Arch = "x64"
        $ExtraArgs += "-A $Arch"
    }

    "gcc" {
        $Generator = "Ninja"
        $ExtraArgs += "-DCMAKE_C_COMPILER=gcc"
        $ExtraArgs += "-DCMAKE_CXX_COMPILER=g++"
        $ExtraArgs += "-DCMAKE_BUILD_TYPE=$Config"
    }

    "android" {
        if (-not $AndroidNDK) {
            throw "Android NDK path not set. Pass -AndroidNDK or set ANDROID_NDK_HOME."
        }

        $Generator = "Ninja"

        $Toolchain = "$AndroidNDK/build/cmake/android.toolchain.cmake"

        $ExtraArgs += "-DCMAKE_TOOLCHAIN_FILE=$Toolchain"
        $ExtraArgs += "-DANDROID_ABI=arm64-v8a"
        $ExtraArgs += "-DANDROID_PLATFORM=android-24"
        $ExtraArgs += "-DCMAKE_BUILD_TYPE=$Config"
    }
}

$SharedLibs = if ($Static) { "OFF" } else { "ON" }
$ExtraArgs += "-DBUILD_SHARED_LIBS=$SharedLibs"

Write-Host "=== Building RadHook ==="
Write-Host "Target: $Target"
Write-Host "Config: $Config"
Write-Host "Build dir: $BuildDir"
Write-Host "Shared libs: $SharedLibs"
Write-Host ""

cmake -S . -B $BuildDir -G $Generator @ExtraArgs

if ($LASTEXITCODE -ne 0) {
    throw "CMake configure failed"
}

if ($Target -eq "msvc") {
    cmake --build $BuildDir --config $Config
} else {
    cmake --build $BuildDir
}

if ($LASTEXITCODE -ne 0) {
    throw "Build failed"
}

if ($RunTests) {
    Write-Host "`n=== Running tests ==="

    if ($Target -eq "msvc") {
        ctest --test-dir $BuildDir --build-config $Config --output-on-failure
    } else {
        ctest --test-dir $BuildDir --output-on-failure
    }

    if ($LASTEXITCODE -ne 0) {
        throw "Tests failed"
    }
}

Write-Host "`nBuild complete: $BuildDir"