start-backend.ps1

$ErrorActionPreference = "Stop"
Set-StrictMode -Version Latest

$ProjectRoot = Split-Path -Parent $MyInvocation.MyCommand.Path
$BackendRoot = Join-Path $ProjectRoot "backend"
$BackendVenv = Join-Path $BackendRoot ".venv"
$BackendPython = Join-Path $BackendVenv "Scripts\python.exe"
$BackendAlembic = Join-Path $BackendVenv "Scripts\alembic.exe"

function Invoke-Native([scriptblock]$Command, [string]$ErrorMessage) {
    & $Command
    if ($LASTEXITCODE -ne 0) {
        throw "$ErrorMessage Код завершения: $LASTEXITCODE"
    }
}

if (-not (Test-Path $BackendPython) -or -not (Test-Path $BackendAlembic)) {
    throw "Backend ещё не настроен. Сначала выполните .\setup.ps1"
}

Push-Location $BackendRoot
try {
    Invoke-Native { & $BackendAlembic upgrade head } "Не удалось применить миграции Alembic."
    & $BackendPython -m uvicorn app.main:app --reload --host 0.0.0.0 --port 8000
    if ($LASTEXITCODE -ne 0) {
        throw "Backend завершился с ошибкой. Код: $LASTEXITCODE"
    }
} finally {
    Pop-Location
}