#include "PhoneBook.hpp"

PhoneBook::PhoneBook() {
  _currentIndex = 0;
  _totalContacts = 0;
}

PhoneBook::~PhoneBook() {}
void PhoneBook::addContact() {
  Contact tempContact;
  std::string input;

  while (true) {
    std::cout << "Enter first name: ";
    if (!std::getline(std::cin, input)) exit(1);
    if (!input.empty()) break;
    std::cout << "Field cannot be empty!" << std::endl;
  }
  tempContact.setFirstName(input);
  while (true) {
    std::cout << "Enter last name: ";
    if (!std::getline(std::cin, input)) exit(1);
    if (!input.empty()) break;
    std::cout << "Field cannot be empty!" << std::endl;
  }
  tempContact.setLastName(input);
  while (true) {
    std::cout << "Enter nickname: ";
    if (!std::getline(std::cin, input)) exit(1);
    if (!input.empty()) break;
    std::cout << "Field cannot be empty!" << std::endl;
  }
  tempContact.setNickname(input);
  while (true) {
    std::cout << "Enter phone number: ";
    if (!std::getline(std::cin, input)) exit(1);
    if (!input.empty()) break;
    std::cout << "Field cannot be empty!" << std::endl;
  }
  tempContact.setPhoneNumber(input);
  while (true) {
    std::cout << "Enter Darkest Secret: ";
    if (!std::getline(std::cin, input)) exit(1);
    if (!input.empty()) break;
    std::cout << "Field cannot be empty!" << std::endl;
  }
  tempContact.setDarkestSecret(input);

  _contacts[_currentIndex] = tempContact;
  _currentIndex = (_currentIndex + 1) % 8;
  if (_totalContacts < 8) _totalContacts++;

  std::cout << "Contact added successfully!" << std::endl;
}

void PhoneBook::searchContacts() const {
    std::string input;
    int index;

    if (_totalContacts == 0) {
        std::cout << "Phone book is empty!" << std::endl;
        return;
    }
    std::cout << std::setw(10) << "Index" << "|"
              << std::setw(10) << "First Name" << "|"
              << std::setw(10) << "Last Name" << "|"
              << std::setw(10) << "Nickname" << std::endl;
    std::cout << "----------------------------------------" << std::endl;
    int i = 0;
    while (i < _totalContacts) {
        std::cout << std::setw(10) << i << "|"
                  << std::setw(10) << truncateString(_contacts[i].getFirstName()) << "|"
                  << std::setw(10) << truncateString(_contacts[i].getLastName()) << "|"
                  << std::setw(10) << truncateString(_contacts[i].getNickname()) << std::endl;
        i++;
    }
    while (true) {
        std::cout << "Enter the index of the contact to display: ";
        if (!std::getline(std::cin, input)) {
            exit(1);
        }
        if (input.length() == 1 && input[0] >= '0' && input[0] <= '7') {
            index = input[0] - '0';
            if (index < _totalContacts) {
                break;
            }
        }
        std::cout << "Invalid index! Please enter a valid contact index." << std::endl;
    }
    displayContact(index);
}

std::string PhoneBook::truncateString(const std::string& str) const {
    if (str.length() > 10) {
        return str.substr(0, 9) + ".";
    }
    return str;
}

void PhoneBook::displayContact(int index) const {
    std::cout << std::endl << "=== Contact Details ===" << std::endl;
    std::cout << "First Name: " << _contacts[index].getFirstName() << std::endl;
    std::cout << "Last Name: " << _contacts[index].getLastName() << std::endl;
    std::cout << "Nickname: " << _contacts[index].getNickname() << std::endl;
    std::cout << "Phone Number: " << _contacts[index].getPhoneNumber() << std::endl;
    std::cout << "Darkest Secret: " << _contacts[index].getDarkestSecret() << std::endl;
    std::cout << "======================" << std::endl;
}