#!/bin/bash

echo "📡 Checking for updates locally..."

# 1. Запускаем fetch локально
git fetch origin

if [ $? -ne 0 ]; then
    echo "❌ Fetch failed. Check your internet connection and git remote settings."
    exit 1
fi

# 2. Проверяем количество новых коммитов (HEAD..@{u})
BEHIND_COUNT=$(git rev-list --count HEAD..@{u} 2>/dev/null)

# Если переменная пустая — значит ошибка в гите
if [ -z "$BEHIND_COUNT" ]; then
    echo "⚠️  Git status unknown. Upstream branch might not be set."
    exit 1
fi

# 3. Логика обновления
if [ "$BEHIND_COUNT" -gt 0 ]; then
    echo "⬇️ Found $BEHIND_COUNT new commit(s). Pulling changes..."
    
    # Выполняем git pull
    git pull
    
    if [ $? -eq 0 ]; then
        echo "✅ Successfully updated!"
    else
        echo "❌ Update failed (merge conflicts?)."
    fi
else
    echo "✨ Already up to date."
fi