#!/bin/bash

# === Настройки ===
BOT_SCRIPT_URL="https://gitea.creative-tg1.ru/CREATIVE_tg1/server-bot-python/raw/branch/main/bash/bash-tg-bot.sh"
BOT_SCRIPT_NAME="bash_tg_bot.sh"
SCRIPT_PATH="$(cd "$(dirname "$0")" && pwd)"
BOT_SCRIPT="$SCRIPT_PATH/$BOT_SCRIPT_NAME"
SERVICE_FILE="/etc/systemd/system/bash_tg_bot.service"

set -e

# === Справка ===
show_help() {
    echo "Usage: $0 --token TELEGRAM_BOT_TOKEN --user_id ALLOWED_TELEGRAM_ID"
    exit 1
}

# === Разбор аргументов ===
while [[ $# -gt 0 ]]; do
    case "$1" in
        --token)
            TG_TOKEN="$2"; shift 2;;
        --user_id)
            USER_ID="$2"; shift 2;;
        *)
            show_help;;
    esac
done

[ -z "$TG_TOKEN" ] && show_help
[ -z "$USER_ID" ] && show_help

# === Проверка и установка jq ===
if ! command -v jq >/dev/null 2>&1; then
    echo "Не найден jq. Устанавливаю..."
    if command -v apt-get >/dev/null; then
        sudo apt-get update && sudo apt-get install -y jq
    elif command -v yum >/dev/null; then
        sudo yum install -y jq
    elif command -v dnf >/dev/null; then
        sudo dnf install -y jq
    else
        echo "Пакетный менеджер не найден. Установите jq вручную."
        exit 1
    fi
fi

# === Скачивание bash-скрипта бота ===
if [ ! -f "$BOT_SCRIPT" ]; then
    echo "Скачиваю бота из $BOT_SCRIPT_URL..."
    curl -fsSL "$BOT_SCRIPT_URL" -o "$BOT_SCRIPT" || {
        echo "Ошибка загрузки $BOT_SCRIPT_URL"
        exit 1
    }
fi
chmod +x "$BOT_SCRIPT"

# === Создание systemd-сервиса ===
cat <<EOF | sudo tee "$SERVICE_FILE" > /dev/null
[Unit]
Description=Telegram Bash Control Bot
After=network.target

[Service]
Type=simple
WorkingDirectory=$SCRIPT_PATH
ExecStart=$BOT_SCRIPT $TG_TOKEN $USER_ID
Restart=always
User=$USER

[Install]
WantedBy=multi-user.target
EOF

sudo systemctl daemon-reload
sudo systemctl enable bash_tg_bot
sudo systemctl restart bash_tg_bot

echo "Бот установлен и добавлен в автозапуск!"
echo "Проверьте статус: sudo systemctl status bash_tg_bot"