/**
 * Jest test setup file
 * Configures global test environment
 */

// Mock localStorage if not available
if (typeof localStorage === 'undefined') {
  global.localStorage = {
    store: {},
    getItem(key) {
      return this.store[key] || null;
    },
    setItem(key, value) {
      this.store[key] = String(value);
    },
    removeItem(key) {
      delete this.store[key];
    },
    clear() {
      this.store = {};
    },
    get length() {
      return Object.keys(this.store).length;
    },
    key(index) {
      const keys = Object.keys(this.store);
      return keys[index] || null;
    }
  };
}

// Mock TextEncoder and TextDecoder if not available
if (typeof TextEncoder === 'undefined') {
  const { TextEncoder, TextDecoder } = require('util');
  global.TextEncoder = TextEncoder;
  global.TextDecoder = TextDecoder;
}