'use client';

import Modal from '@/components/ui/Modal';
import { CheckIcon } from '@heroicons/react/24/outline';
import type { UserWithAvatar } from './types';
import type { PasswordChecks } from './passwordUtils';

type ChangePasswordModalProps = {
  open: boolean;
  user: UserWithAvatar;
  newPassword: string;
  newPasswordConfirm: string;
  pwChecks: PasswordChecks;
  pwError: string | null;
  saving: boolean;
  canSubmitPw: boolean;
  onNewPasswordChange: (value: string) => void;
  onNewPasswordConfirmChange: (value: string) => void;
  onClose: () => void;
  onSubmit: () => void;
};

export default function ChangePasswordModal({
  open,
  user,
  newPassword,
  newPasswordConfirm,
  pwChecks,
  pwError,
  saving,
  canSubmitPw,
  onNewPasswordChange,
  onNewPasswordConfirmChange,
  onClose,
  onSubmit,
}: ChangePasswordModalProps) {
  if (!open) return null;

  return (
    <Modal
      open={open}
      onClose={onClose}
      title="Passwort ändern"
      tone="warning"
      variant="centered"
      size="md"
      primaryAction={{
        label: saving ? 'Speichere …' : 'Passwort setzen',
        onClick: onSubmit,
        variant: 'primary',
        disabled: !canSubmitPw,
      }}
      secondaryAction={{
        label: 'Abbrechen',
        onClick: onClose,
        variant: 'secondary',
      }}
    >
      <form
        onSubmit={(e) => {
          e.preventDefault();
          onSubmit();
        }}
        className="space-y-3 text-sm"
      >
        <p className="text-xs text-gray-600 dark:text-gray-400">
          Das neue Passwort gilt sofort für den Benutzer{' '}
          <strong>{user.arbeitsname || user.nwkennung}</strong>.
        </p>

        <div>
          <label className="block text-xs font-medium text-gray-700 dark:text-gray-300">
            Neues Passwort *
          </label>
          <input
            type="password"
            required
            minLength={12}
            className="mt-1 block w-full rounded-md border border-gray-300 bg-white px-2.5 py-1.5 text-sm text-gray-900 shadow-sm focus:border-indigo-500 focus:outline-none focus:ring-1 focus:ring-indigo-500 dark:border-gray-700 dark:bg-gray-900 dark:text-gray-100"
            value={newPassword}
            onChange={(e) => onNewPasswordChange(e.target.value)}
          />
        </div>

        <div>
          <label className="block text-xs font-medium text-gray-700 dark:text-gray-300">
            Passwort bestätigen *
          </label>
          <input
            type="password"
            required
            minLength={12}
            className="mt-1 block w-full rounded-md border border-gray-300 bg-white px-2.5 py-1.5 text-sm text-gray-900 shadow-sm focus:border-indigo-500 focus:outline-none focus:ring-1 focus:ring-indigo-500 dark:border-gray-700 dark:bg-gray-900 dark:text-gray-100"
            value={newPasswordConfirm}
            onChange={(e) => onNewPasswordConfirmChange(e.target.value)}
          />
        </div>

        <div className="mt-2 rounded-md bg-gray-50 p-2 text-xs text-gray-700 dark:bg-gray-800 dark:text-gray-300">
          <p className="font-medium mb-1">Sicherheitskriterien:</p>
          <ul className="space-y-0.5">
            <li
              className={
                (pwChecks.lengthOk
                  ? 'text-green-700 dark:text-green-500'
                  : 'text-gray-500 dark:text-gray-400') +
                ' flex items-center gap-1.5'
              }
            >
              {pwChecks.lengthOk ? (
                <CheckIcon className="h-4 w-4 shrink-0" />
              ) : (
                <span className="inline-block w-4 text-center">•</span>
              )}
              <span>Mindestens 12 Zeichen</span>
            </li>

            <li
              className={
                (pwChecks.lowerOk
                  ? 'text-green-700 dark:text-green-500'
                  : 'text-gray-500 dark:text-gray-400') +
                ' flex items-center gap-1.5'
              }
            >
              {pwChecks.lowerOk ? (
                <CheckIcon className="h-4 w-4 shrink-0" />
              ) : (
                <span className="inline-block w-4 text-center">•</span>
              )}
              <span>Mindestens ein Kleinbuchstabe (a–z)</span>
            </li>

            <li
              className={
                (pwChecks.upperOk
                  ? 'text-green-700 dark:text-green-500'
                  : 'text-gray-500 dark:text-gray-400') +
                ' flex items-center gap-1.5'
              }
            >
              {pwChecks.upperOk ? (
                <CheckIcon className="h-4 w-4 shrink-0" />
              ) : (
                <span className="inline-block w-4 text-center">•</span>
              )}
              <span>Mindestens ein Großbuchstabe (A–Z)</span>
            </li>

            <li
              className={
                (pwChecks.digitOk
                  ? 'text-green-700 dark:text-green-500'
                  : 'text-gray-500 dark:text-gray-400') +
                ' flex items-center gap-1.5'
              }
            >
              {pwChecks.digitOk ? (
                <CheckIcon className="h-4 w-4 shrink-0" />
              ) : (
                <span className="inline-block w-4 text-center">•</span>
              )}
              <span>Mindestens eine Ziffer (0–9)</span>
            </li>

            <li
              className={
                (pwChecks.specialOk
                  ? 'text-green-700 dark:text-green-500'
                  : 'text-gray-500 dark:text-gray-400') +
                ' flex items-center gap-1.5'
              }
            >
              {pwChecks.specialOk ? (
                <CheckIcon className="h-4 w-4 shrink-0" />
              ) : (
                <span className="inline-block w-4 text-center">•</span>
              )}
              <span>Mindestens ein Sonderzeichen (!, ?, #, …)</span>
            </li>
          </ul>
        </div>

        {pwError && (
          <p className="text-xs text-red-600 dark:text-red-400">
            {pwError}
          </p>
        )}
      </form>
    </Modal>
  );
}