// BOC — Business Operations Center
// Shared JavaScript utilities

const API_BASE = '/api/v1';

function getToken() {
  return localStorage.getItem('boc_token');
}

function getUser() {
  const user = localStorage.getItem('boc_user');
  return user ? JSON.parse(user) : null;
}

function apiRequest(endpoint, options = {}) {
  const token = getToken();
  const url = endpoint.startsWith('http') ? endpoint : `${API_BASE}${endpoint}`;
  
  return fetch(url, {
    ...options,
    headers: {
      'Content-Type': 'application/json',
      'Authorization': `Bearer ${token}`,
      ...options.headers
    }
  });
}

function formatCurrency(value, currency = 'USD') {
  if (value === null || value === undefined) return '—';
  return new Intl.NumberFormat('sv-SE', { 
    style: 'currency', 
    currency,
    maximumFractionDigits: 0 
  }).format(value);
}

function formatDate(date) {
  if (!date) return '-';
  return new Date(date).toLocaleDateString('sv-SE');
}

function formatDateTime(date) {
  if (!date) return '-';
  return new Date(date).toLocaleString('sv-SE');
}

function timeAgo(timestamp) {
  const diff = Date.now() - new Date(timestamp).getTime();
  const mins = Math.floor(diff / 60000);
  if (mins < 1) return 'nyss';
  if (mins < 60) return `${mins}m sedan`;
  const hours = Math.floor(mins / 60);
  if (hours < 24) return `${hours}h sedan`;
  const days = Math.floor(hours / 24);
  if (days < 30) return `${days}d sedan`;
  return formatDate(timestamp);
}

function showToast(message, type = 'info') {
  const toast = document.createElement('div');
  toast.className = `alert alert-${type}`;
  toast.style.cssText = 'position:fixed;top:24px;right:24px;z-index:1000;max-width:400px;animation:slideIn 0.3s ease;';
  toast.textContent = message;
  document.body.appendChild(toast);
  setTimeout(() => toast.remove(), 5000);
}

function confirmDelete(message) {
  return confirm(message || 'Ar du saker pa att du vill ta bort detta?');
}

// Check authentication on page load
function requireAuth() {
  if (!getToken()) {
    window.location.href = '/';
    return false;
  }
  return true;
}

// Update user email in sidebar
function updateUserInfo() {
  const user = getUser();
  const el = document.getElementById('user-email');
  if (el && user) {
    el.textContent = user.email || 'erik@landvex.com';
  }
}

// Initialize on page load
document.addEventListener('DOMContentLoaded', () => {
  updateUserInfo();
});