src/lib/indianStatesAndCities.js

// List of Indian states and major cities

export const indianStates = [
  'Andhra Pradesh',
  'Arunachal Pradesh',
  'Assam',
  'Bihar',
  'Chhattisgarh',
  'Goa',
  'Gujarat',
  'Haryana',
  'Himachal Pradesh',
  'Jharkhand',
  'Karnataka',
  'Kerala',
  'Madhya Pradesh',
  'Maharashtra',
  'Manipur',
  'Meghalaya',
  'Mizoram',
  'Nagaland',
  'Odisha',
  'Punjab',
  'Rajasthan',
  'Sikkim',
  'Tamil Nadu',
  'Telangana',
  'Tripura',
  'Uttar Pradesh',
  'Uttarakhand',
  'West Bengal',
  'Andaman and Nicobar Islands',
  'Chandigarh',
  'Dadra and Nagar Haveli and Daman and Diu',
  'Delhi',
  'Jammu and Kashmir',
  'Ladakh',
  'Lakshadweep',
  'Puducherry'
];

export const indianCities = {
  'Andhra Pradesh': ['Visakhapatnam', 'Vijayawada', 'Guntur', 'Nellore', 'Kurnool', 'Rajahmundry', 'Tirupati', 'Kakinada', 'Kadapa', 'Anantapur'],
  'Arunachal Pradesh': ['Itanagar', 'Naharlagun', 'Pasighat', 'Tawang', 'Ziro', 'Bomdila', 'Aalo', 'Tezu', 'Namsai', 'Roing'],
  'Assam': ['Guwahati', 'Silchar', 'Dibrugarh', 'Jorhat', 'Nagaon', 'Tinsukia', 'Tezpur', 'Karimganj', 'Sivasagar', 'Diphu'],
  'Bihar': ['Patna', 'Gaya', 'Bhagalpur', 'Muzaffarpur', 'Darbhanga', 'Arrah', 'Begusarai', 'Chhapra', 'Katihar', 'Munger'],
  'Chhattisgarh': ['Raipur', 'Bhilai', 'Bilaspur', 'Korba', 'Durg', 'Rajnandgaon', 'Jagdalpur', 'Ambikapur', 'Raigarh', 'Dhamtari'],
  'Goa': ['Panaji', 'Margao', 'Vasco da Gama', 'Mapusa', 'Ponda', 'Bicholim', 'Curchorem', 'Sanquelim', 'Canacona', 'Quepem'],
  'Gujarat': ['Ahmedabad', 'Surat', 'Vadodara', 'Rajkot', 'Bhavnagar', 'Jamnagar', 'Junagadh', 'Gandhinagar', 'Anand', 'Navsari'],
  'Haryana': ['Faridabad', 'Gurgaon', 'Panipat', 'Ambala', 'Yamunanagar', 'Rohtak', 'Hisar', 'Karnal', 'Sonipat', 'Panchkula'],
  'Himachal Pradesh': ['Shimla', 'Mandi', 'Solan', 'Dharamshala', 'Baddi', 'Nahan', 'Hamirpur', 'Kullu', 'Una', 'Chamba'],
  'Jharkhand': ['Ranchi', 'Jamshedpur', 'Dhanbad', 'Bokaro', 'Hazaribagh', 'Deoghar', 'Giridih', 'Ramgarh', 'Phusro', 'Medininagar'],
  'Karnataka': ['Bangalore', 'Mysore', 'Hubli-Dharwad', 'Mangalore', 'Belgaum', 'Gulbarga', 'Davanagere', 'Bellary', 'Bijapur', 'Shimoga'],
  'Kerala': ['Thiruvananthapuram', 'Kochi', 'Kozhikode', 'Thrissur', 'Kollam', 'Palakkad', 'Alappuzha', 'Kannur', 'Kottayam', 'Malappuram'],
  'Madhya Pradesh': ['Indore', 'Bhopal', 'Jabalpur', 'Gwalior', 'Ujjain', 'Sagar', 'Dewas', 'Satna', 'Ratlam', 'Rewa'],
  'Maharashtra': ['Mumbai', 'Pune', 'Nagpur', 'Thane', 'Nashik', 'Aurangabad', 'Solapur', 'Kolhapur', 'Amravati', 'Nanded'],
  'Manipur': ['Imphal', 'Thoubal', 'Bishnupur', 'Ukhrul', 'Churachandpur', 'Kakching', 'Senapati', 'Tamenglong', 'Chandel', 'Jiribam'],
  'Meghalaya': ['Shillong', 'Tura', 'Jowai', 'Nongpoh', 'Williamnagar', 'Baghmara', 'Resubelpara', 'Ampati', 'Khliehriat', 'Mawkyrwat'],
  'Mizoram': ['Aizawl', 'Lunglei', 'Champhai', 'Serchhip', 'Kolasib', 'Lawngtlai', 'Saiha', 'Mamit', 'Khawzawl', 'Hnahthial'],
  'Nagaland': ['Kohima', 'Dimapur', 'Mokokchung', 'Tuensang', 'Wokha', 'Zunheboto', 'Mon', 'Phek', 'Kiphire', 'Longleng'],
  'Odisha': ['Bhubaneswar', 'Cuttack', 'Rourkela', 'Berhampur', 'Sambalpur', 'Puri', 'Balasore', 'Bhadrak', 'Baripada', 'Jharsuguda'],
  'Punjab': ['Ludhiana', 'Amritsar', 'Jalandhar', 'Patiala', 'Bathinda', 'Mohali', 'Pathankot', 'Hoshiarpur', 'Batala', 'Moga'],
  'Rajasthan': ['Jaipur', 'Jodhpur', 'Kota', 'Bikaner', 'Ajmer', 'Udaipur', 'Bhilwara', 'Alwar', 'Sikar', 'Sri Ganganagar'],
  'Sikkim': ['Gangtok', 'Namchi', 'Mangan', 'Gyalshing', 'Rangpo', 'Singtam', 'Jorethang', 'Nayabazar', 'Ravangla', 'Chungthang'],
  'Tamil Nadu': ['Chennai', 'Coimbatore', 'Madurai', 'Tiruchirappalli', 'Salem', 'Tirunelveli', 'Tiruppur', 'Vellore', 'Erode', 'Thoothukudi'],
  'Telangana': ['Hyderabad', 'Warangal', 'Nizamabad', 'Karimnagar', 'Ramagundam', 'Khammam', 'Mahbubnagar', 'Nalgonda', 'Adilabad', 'Suryapet'],
  'Tripura': ['Agartala', 'Udaipur', 'Dharmanagar', 'Kailasahar', 'Belonia', 'Khowai', 'Ambassa', 'Kamalpur', 'Teliamura', 'Sabroom'],
  'Uttar Pradesh': ['Lucknow', 'Kanpur', 'Ghaziabad', 'Agra', 'Meerut', 'Varanasi', 'Allahabad', 'Bareilly', 'Aligarh', 'Moradabad'],
  'Uttarakhand': ['Dehradun', 'Haridwar', 'Roorkee', 'Haldwani', 'Rudrapur', 'Kashipur', 'Rishikesh', 'Pithoragarh', 'Ramnagar', 'Khatima'],
  'West Bengal': ['Kolkata', 'Asansol', 'Siliguri', 'Durgapur', 'Bardhaman', 'Malda', 'Baharampur', 'Habra', 'Kharagpur', 'Shantipur'],
  'Andaman and Nicobar Islands': ['Port Blair', 'Mayabunder', 'Diglipur', 'Rangat', 'Little Andaman', 'Car Nicobar', 'Kamorta', 'Campbell Bay', 'Havelock Island', 'Neil Island'],
  'Chandigarh': ['Chandigarh'],
  'Dadra and Nagar Haveli and Daman and Diu': ['Silvassa', 'Daman', 'Diu'],
  'Delhi': ['New Delhi', 'Delhi', 'Noida', 'Gurgaon', 'Faridabad', 'Ghaziabad'],
  'Jammu and Kashmir': ['Srinagar', 'Jammu', 'Anantnag', 'Baramulla', 'Kathua', 'Sopore', 'Udhampur', 'Poonch', 'Kupwara', 'Pulwama'],
  'Ladakh': ['Leh', 'Kargil', 'Diskit', 'Zanskar', 'Nubra', 'Khaltse', 'Drass', 'Sankoo', 'Padum', 'Nyoma'],
  'Lakshadweep': ['Kavaratti', 'Agatti', 'Amini', 'Andrott', 'Minicoy', 'Kalpeni', 'Kiltan', 'Kadmat', 'Chetlat', 'Bitra'],
  'Puducherry': ['Puducherry', 'Karaikal', 'Yanam', 'Mahe']
};

// Utility function to validate Indian PIN code (6 digits)
export const isValidPinCode = (pincode) => {
  const pincodeRegex = /^[1-9][0-9]{5}$/;
  return pincodeRegex.test(pincode);
};

// Utility function to validate Indian phone number (10 digits)
export const isValidPhoneNumber = (phone) => {
  // Remove any spaces, dashes, or other non-digit characters
  const cleanedPhone = phone.replace(/\D/g, '');
  
  // Check if it's a valid 10-digit Indian mobile number
  // Indian mobile numbers typically start with 6, 7, 8, or 9
  const phoneRegex = /^[6-9]\d{9}$/;
  return phoneRegex.test(cleanedPhone);
};