#!/bin/bash

# Проверка на выполнение скрипта с правами суперпользователя
if [ "$EUID" -ne 0 ]; then
    echo "Error: the script must be run with superuser rights (sudo)."
    exit 1
fi

WORK_DIR="/opt/adminlabs_backup"
BACKUP_SCRIPT="$WORK_DIR/backup.sh"
BACKUP_CONFIG="$WORK_DIR/backup.ini"
SCRIPT_URL="http://files.adminlabs.space/scripts/backup.sh"
CONFIG_URL="http://files.adminlabs.space/scripts/backup.ini"

# Создание рабочей директории, если она не существует
if [ ! -d "$WORK_DIR" ]; then
    mkdir -p "$WORK_DIR" || { echo "Error: Failed to create directory $WORK_DIR"; exit 1; }
    echo "Created directory $WORK_DIR."
else
    echo "Directory $WORK_DIR already exists."
fi

# Функция для скачивания файла
download_file() {
    local url="$1"
    local dest="$2"
    
    echo "Downloading $url..."
    curl -o "$dest" "$url" || { echo "Error: Failed to download $url"; exit 1; }
}

# Проверка и копирование скрипта
if [[ -f "$BACKUP_SCRIPT" ]]; then
    mv "$BACKUP_SCRIPT" "$WORK_DIR" || { echo "Error: Failed to move $BACKUP_SCRIPT to $WORK_DIR"; exit 1; }
else
    download_file "$SCRIPT_URL" "$BACKUP_SCRIPT"
    mv "$BACKUP_SCRIPT" "$WORK_DIR" || { echo "Error: Failed to move $BACKUP_SCRIPT to $WORK_DIR"; exit 1; }
fi

# Проверка и копирование конфигурационного файла
if [[ -f "$BACKUP_CONFIG" ]]; then
    mv "$BACKUP_CONFIG" "$WORK_DIR" || { echo "Error: Failed to move $BACKUP_CONFIG to $WORK_DIR"; exit 1; }
else
    download_file "$CONFIG_URL" "$BACKUP_CONFIG"
    mv "$BACKUP_CONFIG" "$WORK_DIR" || { echo "Error: Failed to move $BACKUP_CONFIG to $WORK_DIR"; exit 1; }
fi

echo "Installation complete."