@echo off
setlocal EnableExtensions EnableDelayedExpansion

set "ROOT_DIR=%~dp0"
set "ENV_FILE=%ROOT_DIR%\.production.env"
set "COMPOSE_FILE=%ROOT_DIR%\production.compose.yml"
set "ARCHIVE_FILE=%ROOT_DIR%\webstore-production-images.tar"

set "API_IMAGE=webstore-api:prod"

echo [1/7] Checking Docker + Compose...
docker --version >nul 2>&1
if errorlevel 1 (
    echo ERROR: Docker CLI is not available.
    exit /b 1
)
docker compose version >nul 2>&1
if errorlevel 1 (
    echo ERROR: Docker Compose plugin is not available.
    exit /b 1
)

echo [2/7] Validating required files...
if not exist "%ENV_FILE%" (
    echo ERROR: Missing env file: "%ENV_FILE%"
    exit /b 1
)
if not exist "%COMPOSE_FILE%" (
    echo ERROR: Missing compose file: "%COMPOSE_FILE%"
    exit /b 1
)

echo [3/7] Loading prebuilt image archive if present...
if exist "%ARCHIVE_FILE%" (
    docker load -i "%ARCHIVE_FILE%"
    if errorlevel 1 (
        echo ERROR: Failed to load image archive.
        exit /b 1
    )
) else (
    echo WARN: "%ARCHIVE_FILE%" not found. Assuming images already exist locally.
)

echo [4/7] Ensuring API image exists locally...
docker image inspect "%API_IMAGE%" >nul 2>&1
if errorlevel 1 (
    echo ERROR: API image "%API_IMAGE%" not found.
    echo Run scripts\build-production-images.bat first or provide the archive in images\.
    exit /b 1
)

echo [5/7] Starting production stack for students...
pushd "%ROOT_DIR%" >nul
docker compose --env-file .production.env -f production.compose.yml up -d
if errorlevel 1 (
    popd >nul
    echo ERROR: Failed to start compose stack.
    exit /b 1
)

echo [6/7] Showing running services...
docker compose --env-file .production.env -f production.compose.yml ps

echo [7/7] Done.
echo API should be available at http://localhost:3000 (or API_PORT in .production.env)
echo Stop stack with:
echo docker compose --env-file .production.env -f production.compose.yml down
popd >nul
exit /b 0