<#
Bootstrap script for DslrDirector on Windows.
- Creates a local virtual environment (.venv) if missing
- Activates the venv, upgrades pip, installs requirements.txt
- Runs the Flask app (src/app.py)

Usage:
  Open PowerShell in the project folder and run:
    .\bootstrap.ps1
  Or explicitly allow script execution if needed:
    powershell -ExecutionPolicy Bypass -File .\bootstrap.ps1

Optional: pass a specific python executable:
  .\bootstrap.ps1 -PythonPath "C:\Path\To\python.exe"
#>
param(
    [string]$PythonPath = "python"
)

$root = Split-Path -Parent $MyInvocation.MyCommand.Path
Set-Location $root

$venv = Join-Path $root '.venv'
if (-not (Test-Path $venv)) {
    Write-Host "Creating virtual environment at $venv"
    & $PythonPath -m venv $venv
} else {
    Write-Host "Virtual environment exists at $venv"
}

$activate = Join-Path $venv 'Scripts\Activate.ps1'
if (-not (Test-Path $activate)) {
    Write-Error "Activation script not found: $activate"
    exit 1
}

Write-Host "Activating venv..."
# Dot-source the activation script to the current session
. $activate

Write-Host "Upgrading pip and installing requirements..."
python -m pip install --upgrade pip
if (Test-Path (Join-Path $root 'requirements.txt')) {
    python -m pip install -r (Join-Path $root 'requirements.txt')
}

Write-Host "Starting application... (press Ctrl-C to stop)"
python .\src\app.py