#!/usr/bin/env sh
# Build and start the MyOffice demo stack (SPA + API + Postgres + pgAdmin).
# Usage:
#   ./build.sh                              # front 32080, back 32081, pgAdmin 32082
#   ./build.sh 32080 32081 32082            # override ports
#   ./build.sh build | up | down | logs
#   ./build.sh rebuild                      # --no-cache images + recreate containers
#   ./build.sh reset                        # wipe DB volumes, rebuild, start

set -eu
cd "$(dirname "$0")"

COMPOSE_FILE=docker-compose.demo.yml
ACTION=all
FRONT_PORT=32080
BACK_PORT=32081
PGADMIN_PORT=32082

is_port() {
	echo "$1" | grep -Eq '^[0-9]{1,5}$' && [ "$1" -ge 1 ] && [ "$1" -le 65535 ]
}

origin_for() {
	if [ "$1" = "80" ]; then
		echo "http://localhost"
	else
		echo "http://localhost:$1"
	fi
}

show_up_info() {
	echo ""
	echo "Demo is up:"
	echo "  Frontend  $1"
	echo "  Backend   $2"
	echo "  pgAdmin   $3  (admin@example.com / admin; DB auto-connected)"
	echo "  Postgres  internal host=postgres user/pass/db=myoffice"
	echo ""
	echo "Demo logins: user_UAH@user_UAH.userUAH / user_UAH (also USD, EUR)"
}

if [ "${1:-}" = "build" ] || [ "${1:-}" = "up" ] || [ "${1:-}" = "down" ] || [ "${1:-}" = "logs" ] || [ "${1:-}" = "all" ] || [ "${1:-}" = "rebuild" ] || [ "${1:-}" = "reset" ]; then
	ACTION=$1
	shift
fi

if [ "${1:-}" != "" ]; then
	is_port "$1" || { echo "Invalid front port '$1'. Example: ./build.sh 32080 32081 32082" >&2; exit 1; }
	FRONT_PORT=$1
	shift
fi

if [ "${1:-}" != "" ]; then
	is_port "$1" || { echo "Invalid back port '$1'. Example: ./build.sh 32080 32081 32082" >&2; exit 1; }
	BACK_PORT=$1
	shift
fi

if [ "${1:-}" != "" ]; then
	is_port "$1" || { echo "Invalid pgAdmin port '$1'. Example: ./build.sh 32080 32081 32082" >&2; exit 1; }
	PGADMIN_PORT=$1
	shift
fi

if [ "${1:-}" != "" ] && [ "$ACTION" != "down" ] && [ "$ACTION" != "logs" ]; then
	echo "Too many arguments. Usage: ./build.sh [build|up|down|logs|rebuild|reset] [frontPort] [backPort] [pgAdminPort]" >&2
	exit 1
fi

FRONT_ORIGIN=$(origin_for "$FRONT_PORT")
API_PUBLIC_URL="http://localhost:$BACK_PORT"
PGADMIN_URL=$(origin_for "$PGADMIN_PORT")

export MYOFFICE_WEB_PORT=$FRONT_PORT
export MYOFFICE_API_PORT=$BACK_PORT
export MYOFFICE_PGADMIN_PORT=$PGADMIN_PORT
export MYOFFICE_FRONTEND_HOST=$FRONT_ORIGIN
export MYOFFICE_API_PUBLIC_URL=$API_PUBLIC_URL
export MYOFFICE_CORS_0=$FRONT_ORIGIN
if [ "$FRONT_PORT" = "80" ]; then
	export MYOFFICE_CORS_1=http://127.0.0.1
else
	export MYOFFICE_CORS_1="http://127.0.0.1:$FRONT_PORT"
fi

export COMPOSE_DOCKER_CLI_BUILD=1
export DOCKER_BUILDKIT=1

case "$ACTION" in
	build)
		docker compose -f "$COMPOSE_FILE" build
		;;
	up)
		mkdir -p data/demo/postgres data/demo/pgadmin
		docker compose -f "$COMPOSE_FILE" up -d --build --force-recreate --remove-orphans
		show_up_info "$FRONT_ORIGIN" "$API_PUBLIC_URL" "$PGADMIN_URL"
		;;
	down)
		docker compose -f "$COMPOSE_FILE" down
		;;
	logs)
		docker compose -f "$COMPOSE_FILE" logs -f
		;;
	rebuild)
		echo "Rebuilding images with --no-cache (api + web)..."
		docker compose -f "$COMPOSE_FILE" build --no-cache --pull
		docker compose -f "$COMPOSE_FILE" up -d --force-recreate --remove-orphans
		show_up_info "$FRONT_ORIGIN" "$API_PUBLIC_URL" "$PGADMIN_URL"
		;;
	reset)
		echo "Stopping stack and wiping ./data/demo/postgres and ./data/demo/pgadmin..."
		docker compose -f "$COMPOSE_FILE" down
		rm -rf data/demo/postgres data/demo/pgadmin
		mkdir -p data/demo/postgres data/demo/pgadmin
		docker volume rm myoffice-demo_myoffice_pgdata myoffice-demo_myoffice_pgadmin 2>/dev/null || true
		echo "Rebuilding images with --no-cache..."
		docker compose -f "$COMPOSE_FILE" build --no-cache --pull
		docker compose -f "$COMPOSE_FILE" up -d --force-recreate --remove-orphans
		show_up_info "$FRONT_ORIGIN" "$API_PUBLIC_URL" "$PGADMIN_URL"
		echo ""
		echo "DB was reset. Login with password user_UAH (not user1_UAH)."
		echo "Data folders: Docker/data/demo/postgres , Docker/data/demo/pgadmin"
		;;
	all)
		mkdir -p data/demo/postgres data/demo/pgadmin
		docker compose -f "$COMPOSE_FILE" up -d --build --force-recreate --remove-orphans
		show_up_info "$FRONT_ORIGIN" "$API_PUBLIC_URL" "$PGADMIN_URL"
		;;
	*)
		echo "Unknown action '$ACTION'. Use: build, up, down, logs, rebuild, reset, or no args." >&2
		exit 1
		;;
esac