#Requires -Version 5.1
<#
.SYNOPSIS
  Build Orisys Customer Windows onedir EXE with PyInstaller.

.PARAMETER Clean
  Pass --clean to PyInstaller (slower; use when deps/spec change).

.PARAMETER SkipInstall
  Skip pip install steps (reuse existing .venv-build packages).
#>
param(
    [switch]$Clean,
    [switch]$SkipInstall
)

$ErrorActionPreference = "Stop"

$RepoRoot = (Resolve-Path (Join-Path $PSScriptRoot "..\..")).Path
$VenvDir = Join-Path $RepoRoot ".venv-build"
$Python = Join-Path $VenvDir "Scripts\python.exe"
$Spec = Join-Path $PSScriptRoot "orisys-customer.spec"
$WorkPath = Join-Path $RepoRoot "build\_pyinstaller"
$DistPath = Join-Path $RepoRoot "dist"

Write-Host "Repo: $RepoRoot"

if (-not (Test-Path $Python)) {
    Write-Host "Creating build venv at $VenvDir"
    python -m venv $VenvDir
}

if (-not $SkipInstall) {
    Write-Host "Installing build dependencies (editable shared + customer + orisys + pyinstaller)…"
    & $Python -m pip install --upgrade pip
    & $Python -m pip install "pyinstaller>=6.0"
    & $Python -m pip install -e (Join-Path $RepoRoot "shared")
    & $Python -m pip install -e (Join-Path $RepoRoot "apps\customer")
    # orisys may already be installed; ensure present without [gui]/open3d
    & $Python -m pip install "orisys>=0.5"

    Write-Host "Forcing opencv-python-headless 4.x (orisys may have pulled opencv-python; 5.x can be broken)…"
    & $Python -m pip uninstall -y opencv-python opencv-python-headless 2>$null
    & $Python -m pip install "opencv-python-headless>=4.10.0.84,<5"
    & $Python -c "import cv2; print('cv2 OK', cv2.__version__)"
    if ($LASTEXITCODE -ne 0) {
        Write-Error "cv2 import failed after installing opencv-python-headless"
        exit $LASTEXITCODE
    }

    # Guard: Open3D must not be present in the build env
    $hasOpen3d = & $Python -c "import importlib.util; print(importlib.util.find_spec('open3d') is not None)"
    if ($hasOpen3d -eq "True") {
        Write-Host "Uninstalling open3d from build venv…"
        & $Python -m pip uninstall -y open3d
    }
}

$pyiArgs = @(
    "--noconfirm",
    "--distpath", $DistPath,
    "--workpath", $WorkPath,
    $Spec
)
if ($Clean) {
    $pyiArgs = @("--clean") + $pyiArgs
}

Write-Host "Running PyInstaller…"
& $Python -m PyInstaller @pyiArgs
if ($LASTEXITCODE -ne 0) {
    Write-Error "PyInstaller failed with exit code $LASTEXITCODE"
    exit $LASTEXITCODE
}

$OutDir = Join-Path $DistPath "OrisysCustomer"
Write-Host ""
Write-Host "Build complete: $OutDir"

# Lean config beside EXE (exclude finger visualization assets)
$ConfigSrc = Join-Path $RepoRoot "apps\customer\config"
$ConfigDst = Join-Path $OutDir "config"
if (Test-Path $ConfigSrc) {
    Write-Host "Copying lean config to $ConfigDst …"
    if (Test-Path $ConfigDst) {
        Remove-Item $ConfigDst -Recurse -Force
    }
    New-Item -ItemType Directory -Path $ConfigDst -Force | Out-Null
    Get-ChildItem $ConfigSrc -Force | ForEach-Object {
        Copy-Item $_.FullName -Destination $ConfigDst -Recurse -Force
    }
    $viz = Join-Path $ConfigDst "sensors\finger\assets\visualization"
    if (Test-Path $viz) {
        Remove-Item $viz -Recurse -Force
        Write-Host "Excluded sensors/finger/assets/visualization"
    }
}

Write-Host "Launch: $(Join-Path $OutDir 'OrisysCustomer.exe')"

# Size summary
if (Test-Path $OutDir) {
    $bytes = (Get-ChildItem $OutDir -Recurse -File -ErrorAction SilentlyContinue |
        Measure-Object -Property Length -Sum).Sum
    $mb = [math]::Round($bytes / 1MB, 1)
    Write-Host ("Output size: {0} MB" -f $mb)

    $o3dHits = Get-ChildItem $OutDir -Recurse -ErrorAction SilentlyContinue |
        Where-Object { $_.Name -match 'open3d' }
    if ($o3dHits) {
        Write-Warning "Open3D-related files found under dist (should be empty):"
        $o3dHits | ForEach-Object { Write-Warning $_.FullName }
    } else {
        Write-Host "Open3D check: none found under dist."
    }
}