# build_native_bridge.ps1 - Build daw_vst_bridge.exe (C++ Native Host Bridge)
# Run on Windows x64 with VS Build Tools 2022 (C++ workload) installed.
# ASCII only (PowerShell 5.1 reads .ps1 without BOM as ANSI).
$ErrorActionPreference = "Stop"
Set-Location $PSScriptRoot
$REPO_ROOT = Resolve-Path (Join-Path $PSScriptRoot "..\..")   # ...\SonicForgeStudio
$NB_DIR = Join-Path $REPO_ROOT "native_bridge"

# 1. vcpkg (bootstrap once; skip if already present)
$VCPKG_ROOT = Join-Path $env:USERPROFILE "vcpkg"
if (-not (Test-Path (Join-Path $VCPKG_ROOT "vcpkg.exe"))) {
  Write-Host "== [1/6] Bootstrap vcpkg =="
  git clone https://github.com/microsoft/vcpkg $VCPKG_ROOT
  & (Join-Path $VCPKG_ROOT "bootstrap-vcpkg.bat") -disableMetrics
}

# 2. vcpkg deps: fluidsynth + sfizz (+ pkgconf so pkg_check_modules may work)
Write-Host "== [2/6] vcpkg install fluidsynth sfizz =="
& (Join-Path $VCPKG_ROOT "vcpkg.exe") install fluidsynth sfizz --triplet x64-windows
if ($LASTEXITCODE -ne 0) { Write-Host "ERROR: vcpkg install failed" -ForegroundColor Red; exit 1 }

# 3. VST3 SDK submodule (Steinberg; NOT in vcpkg)
Write-Host "== [3/6] VST3 SDK (submodule) =="
if (-not (Test-Path (Join-Path $NB_DIR "vst3sdk"))) {
  Push-Location $NB_DIR
  git submodule add https://github.com/steinbergmedia/vst3sdk.git vst3sdk
  Pop-Location
}

# 4. Configure with CMake + vcpkg toolchain (MSVC)
Write-Host "== [4/6] CMake configure =="
$BUILD_DIR = Join-Path $NB_DIR "build"
New-Item -ItemType Directory -Force $BUILD_DIR | Out-Null
cmake -S $NB_DIR -B $BUILD_DIR `
  -DCMAKE_TOOLCHAIN_FILE=(Join-Path $VCPKG_ROOT "scripts\buildsystems\vcpkg.cmake") `
  -DCMAKE_BUILD_TYPE=Release `
  -DVCPKG_TARGET_TRIPLET=x64-windows
if ($LASTEXITCODE -ne 0) { Write-Host "ERROR: cmake configure failed" -ForegroundColor Red; exit 1 }

# 5. Build Release
Write-Host "== [5/6] CMake build =="
cmake --build $BUILD_DIR --config Release
if ($LASTEXITCODE -ne 0) { Write-Host "ERROR: cmake build failed" -ForegroundColor Red; exit 1 }

# 6. Copy sidecar to Tauri externalBin location
Write-Host "== [6/6] Copy to src-tauri\binaries =="
$BIN_DIR = Join-Path $REPO_ROOT "src-tauri\binaries"
New-Item -ItemType Directory -Force $BIN_DIR | Out-Null
$EXE = Join-Path $BUILD_DIR "Release\daw_vst_bridge.exe"
if (-not (Test-Path $EXE)) { Write-Host "ERROR: $EXE not found" -ForegroundColor Red; exit 1 }
Copy-Item $EXE (Join-Path $BIN_DIR "daw_vst_bridge-x86_64-pc-windows-msvc.exe") -Force
Write-Host "== DONE: daw_vst_bridge.exe copied to src-tauri\binaries =="