import React, { useState, useEffect } from 'react';

const BASE_URL = "http://localhost:8000";

const AdminForm = ({ show, onClose, title }) => {
  const [users, setUsers] = useState([]);
  const [formData, setFormData] = useState({
    fullName: '',
    username: '',
    password: '', // Changed from hashed_password since hashing should be done server-side
    note: '',
    role: '',
    skype: '',
    email: '',
    is_active: false,
    is_admin: false
  });

  const [isLoading, setIsLoading] = useState(false);
  const [isFormVisible, setIsFormVisible] = useState(true);
  const [showModal, setShowModal] = useState(false);

  useEffect(() => {
    const getAllUsers = async () => {
      try {
        const token = localStorage.getItem('token'); // Assuming you store the token in localStorage
        const response = await fetch(`${BASE_URL}/users`, {
          headers: {
            'Authorization': `Bearer ${token}`,
            'Accept': 'application/json',
          }
        });
        const data = await response.json();
        setUsers(data.data);
      } catch (error) {
        console.error("Error fetching users:", error);
      }
    };

    if (show) {
      getAllUsers();
    }
  }, [show]);

  const handleChange = (e) => {
    const { name, value, type, checked } = e.target;
    setFormData(prev => ({
      ...prev,
      [name]: type === 'checkbox' ? checked : value
    }));
  };

  const handleSubmit = async (e) => {
    e.preventDefault();
    setIsLoading(true);

    try {
      const token = localStorage.getItem('token');
      const response = await fetch(`${BASE_URL}/register`, {
        method: 'POST',
        headers: {
          'Content-Type': 'application/json',
          'Authorization': `Bearer ${token}`,
          'Accept': 'application/json',
        },
        body: JSON.stringify({
          ...formData,
          password: formData.password // Send as password, not hashed_password
        })
      });

      if (!response.ok) {
        throw new Error(`HTTP error! status: ${response.status}`);
      }

      const data = await response.json();
      setUsers(prev => [...prev, data]);
      setIsFormVisible(false);
      setShowModal(true);
    } catch (error) {
      console.error("Error saving data:", error);
      // You might want to show an error message to the user here
    } finally {
      setIsLoading(false);
    }
  };

  const handleCloseModal = () => {
    setShowModal(false);
    window.location.reload();
  };

  if (!show) return null;

  return (
    <div className="fixed inset-0 bg-black bg-opacity-50 flex items-center justify-center p-4">
      <div className="bg-white rounded-lg w-full max-w-2xl">
        <div className="bg-emerald-600 p-4 rounded-t-lg">
          <h1 className="text-white font-bold text-xl text-center">{title}</h1>
        </div>

        <form onSubmit={handleSubmit} className="p-6 space-y-6">
          <div className="grid grid-cols-1 md:grid-cols-2 gap-4">
            {/* Basic Information */}
            <div className="space-y-4">
              <div>
                <label className="block text-sm font-bold mb-2">Admin Name</label>
                <input
                  type="text"
                  name="fullName"
                  value={formData.fullName}
                  onChange={handleChange}
                  className="w-full p-2 border rounded-md"
                  placeholder="Full Name"
                  required
                />
              </div>

              <div>
                <label className="block text-sm font-bold mb-2">Username</label>
                <input
                  type="text"
                  name="username"
                  value={formData.username}
                  onChange={handleChange}
                  className="w-full p-2 border rounded-md"
                  placeholder="Username"
                  required
                />
              </div>

              <div>
                <label className="block text-sm font-bold mb-2">Password</label>
                <input
                  type="password"
                  name="password"
                  value={formData.password}
                  onChange={handleChange}
                  className="w-full p-2 border rounded-md"
                  placeholder="Password"
                  required
                />
              </div>

              <div>
                <label className="block text-sm font-bold mb-2">Email</label>
                <input
                  type="email"
                  name="email"
                  value={formData.email}
                  onChange={handleChange}
                  className="w-full p-2 border rounded-md"
                  placeholder="Email"
                  required
                />
              </div>
            </div>

            {/* Additional Information */}
            <div className="space-y-4">
              <div>
                <label className="block text-sm font-bold mb-2">Note</label>
                <input
                  type="text"
                  name="note"
                  value={formData.note}
                  onChange={handleChange}
                  className="w-full p-2 border rounded-md"
                  placeholder="Add note"
                />
              </div>

              <div>
                <label className="block text-sm font-bold mb-2">Skype</label>
                <input
                  type="text"
                  name="skype"
                  value={formData.skype}
                  onChange={handleChange}
                  className="w-full p-2 border rounded-md"
                  placeholder="Skype ID"
                />
              </div>

              <div>
                <label className="block text-sm font-bold mb-2">Role</label>
                <select
                  name="role"
                  value={formData.role}
                  onChange={handleChange}
                  className="w-full p-2 border rounded-md"
                >
                  <option value="">Select Role</option>
                  <option value="Master-Admin">Master Admin</option>
                  <option value="Admin">Admin</option>
                  <option value="Manager">Manager</option>
                  <option value="Staff">Staff</option>
                </select>
              </div>

              <div className="flex gap-4">
                <label className="flex items-center space-x-2">
                  <input
                    type="checkbox"
                    name="is_active"
                    checked={formData.is_active}
                    onChange={handleChange}
                    className="w-4 h-4"
                  />
                  <span className="text-sm font-bold">Active Account</span>
                </label>

                <label className="flex items-center space-x-2">
                  <input
                    type="checkbox"
                    name="is_admin"
                    checked={formData.is_admin}
                    onChange={handleChange}
                    className="w-4 h-4"
                  />
                  <span className="text-sm font-bold">Admin</span>
                </label>
              </div>
            </div>
          </div>

          <div className="flex justify-end gap-4 pt-4">
            <button
              type="submit"
              disabled={isLoading}
              className="bg-emerald-500 text-white px-6 py-2 rounded-md hover:bg-emerald-600 disabled:opacity-50"
            >
              {isLoading ? 'Adding Admin...' : 'Add Admin'}
            </button>

            <button
              type="button"
              onClick={onClose}
              disabled={isLoading}
              className="bg-red-500 text-white px-6 py-2 rounded-md hover:bg-red-600 disabled:opacity-50"
            >
              Close
            </button>
          </div>

          <div className="text-center text-sm text-gray-600 bg-gray-100 p-4 rounded-md mt-6">
            <p className="font-semibold">Please fill in all required information</p>
            <p>Thank you for your cooperation</p>
            <p>Dem<span className="font-bold">Settle ®</span></p>
          </div>
        </form>
      </div>

      {showModal && (
        <div className="fixed inset-0 bg-black bg-opacity-50 flex items-center justify-center">
          <div className="bg-white p-6 rounded-lg">
            <h2 className="text-xl font-bold mb-4">Admin Successfully Added</h2>
            <button
              onClick={handleCloseModal}
              className="bg-emerald-500 text-white px-4 py-2 rounded-md hover:bg-emerald-600"
            >
              Close
            </button>
          </div>
        </div>
      )}
    </div>
  );
};

export default AdminForm;