tududi/frontend/components/Area/AreaModal.tsx

import React, { useState, useEffect, useRef } from 'react';
import { Area } from '../../entities/Area';
import { useToast } from '../Shared/ToastContext';
import { useTranslation } from 'react-i18next';
import { TrashIcon } from '@heroicons/react/24/outline';

interface AreaModalProps {
  isOpen: boolean;
  onClose: () => void;
  onSave: (areaData: Partial<Area>) => Promise<void>;
  onDelete?: (areaId: number) => Promise<void>;
  area?: Area | null;
}

const AreaModal: React.FC<AreaModalProps> = ({ isOpen, onClose, area, onSave, onDelete }) => {
  const { t } = useTranslation();
  const [formData, setFormData] = useState<Area>({
    id: area?.id || 0,
    name: area?.name || '',
    description: area?.description || '',
  });

  const [error, setError] = useState<string | null>(null);
  const modalRef = useRef<HTMLDivElement>(null);
  const [isSubmitting, setIsSubmitting] = useState<boolean>(false);
  const [isClosing, setIsClosing] = useState(false);

  const { showSuccessToast, showErrorToast } = useToast(); 

  useEffect(() => {
    if (isOpen) {
      setFormData({
        id: area?.id || 0,
        name: area?.name || '',
        description: area?.description || '',
      });
      setError(null);
    }
  }, [isOpen, area]);

  useEffect(() => {
    const handleClickOutside = (event: MouseEvent) => {
      if (
        modalRef.current &&
        !modalRef.current.contains(event.target as Node)
      ) {
        handleClose();
      }
    };

    if (isOpen) {
      document.addEventListener('mousedown', handleClickOutside);
    }
    return () => {
      document.removeEventListener('mousedown', handleClickOutside);
    };
  }, [isOpen]);

  useEffect(() => {
    const handleKeyDown = (event: KeyboardEvent) => {
      if (event.key === 'Escape') {
        handleClose();
      }
    };

    if (isOpen) {
      document.addEventListener('keydown', handleKeyDown);
    }
    return () => {
      document.removeEventListener('keydown', handleKeyDown);
    };
  }, [isOpen]);

  const handleChange = (
    e: React.ChangeEvent<HTMLInputElement | HTMLTextAreaElement>
  ) => {
    const { name, value } = e.target;
    setFormData((prev) => ({
      ...prev,
      [name]: value,
    }));
  };

  const handleSubmit = async () => {
    if (!formData.name.trim()) {
      setError(t('errors.areaNameRequired'));
      return;
    }

    setIsSubmitting(true);
    setError(null);

    try {
      await onSave(formData);
      showSuccessToast(formData.id ? t('success.areaUpdated') : t('success.areaCreated'));
      handleClose();
    } catch (err) {
      setError((err as Error).message);
      showErrorToast(t('errors.failedToSaveArea'));
    } finally {
      setIsSubmitting(false);
    }
  };

  const handleClose = () => {
    setIsClosing(true);
    setTimeout(() => {
      onClose();
      setIsClosing(false);
    }, 300);
  };

  const handleDeleteArea = async () => {
    if (formData.id && formData.id !== 0 && onDelete) {
      try {
        await onDelete(formData.id);
        showSuccessToast(t('success.areaDeleted', 'Area deleted successfully!'));
        handleClose();
      } catch (err) {
        setError((err as Error).message);
        showErrorToast(t('errors.failedToDeleteArea', 'Failed to delete area.'));
      }
    }
  };

  if (!isOpen) return null;

  return (
    <div
      className={`fixed top-16 left-0 right-0 bottom-0 bg-gray-900 bg-opacity-80 z-40 transition-opacity duration-300 overflow-hidden sm:overflow-y-auto ${
        isClosing ? "opacity-0" : "opacity-100"
      }`}
    >
      <div className="h-full flex items-center justify-center sm:px-4 sm:py-4">
        <div
          ref={modalRef}
          className={`bg-white dark:bg-gray-800 border-0 sm:border sm:border-gray-200 sm:dark:border-gray-800 sm:rounded-lg sm:shadow-2xl w-full sm:max-w-md transform transition-transform duration-300 ${
            isClosing ? "scale-95" : "scale-100"
          } h-full sm:h-auto sm:my-4`}
        >
          <div className="flex flex-col h-full sm:min-h-[400px] sm:max-h-[90vh]">
            {/* Main Form Section */}
            <div className="flex-1 flex flex-col transition-all duration-300 bg-white dark:bg-gray-800">
              <div className="flex-1 relative">
                <div className="absolute inset-0 overflow-y-auto overflow-x-hidden" style={{ WebkitOverflowScrolling: 'touch' }}>
                  <form className="h-full">
                    <fieldset className="h-full flex flex-col">
                      {/* Area Title Section - Always Visible */}
                      <div className="border-b border-gray-200 dark:border-gray-700 pb-4 mb-4 px-4 pt-4">
                        <input
                          type="text"
                          id="areaName"
                          name="name"
                          value={formData.name}
                          onChange={handleChange}
                          required
                          className="block w-full text-xl font-semibold bg-transparent text-black dark:text-white border-none focus:outline-none shadow-sm py-2"
                          placeholder={t('forms.areaNamePlaceholder')}
                        />
                      </div>

                      {/* Description Section - Always Visible */}
                      <div className="flex-1 pb-4 mb-4 px-4">
                        <textarea
                          id="areaDescription"
                          name="description"
                          value={formData.description}
                          onChange={handleChange}
                          className="block w-full h-full border border-gray-300 dark:border-gray-600 rounded-md shadow-sm p-3 text-sm bg-white dark:bg-gray-900 text-gray-900 dark:text-gray-100 focus:ring-2 focus:ring-blue-500 transition duration-150 ease-in-out resize-none"
                          placeholder={t('forms.areaDescriptionPlaceholder')}
                          style={{ minHeight: '150px' }}
                        />
                      </div>

                      {/* Error Message */}
                      {error && <div className="text-red-500 px-4 mb-4">{error}</div>}
                    </fieldset>
                  </form>
                </div>
              </div>
              
              {/* Action Buttons - Below border with custom layout */}
              <div className="flex-shrink-0 bg-white dark:bg-gray-800 border-t border-gray-200 dark:border-gray-700 px-3 py-2 flex items-center justify-between">
                {/* Left side: Delete and Cancel */}
                <div className="flex items-center space-x-3">
                  {(area && area.id && area.id !== 0 && onDelete) && (
                    <button
                      type="button"
                      onClick={handleDeleteArea}
                      className="p-2 border border-red-300 dark:border-red-600 text-red-600 dark:text-red-400 rounded-md hover:bg-red-50 dark:hover:bg-red-900/20 focus:outline-none transition duration-150 ease-in-out"
                      title={t('common.delete', 'Delete')}
                    >
                      <TrashIcon className="h-4 w-4" />
                    </button>
                  )}
                  <button
                    type="button"
                    onClick={handleClose}
                    className="text-gray-600 dark:text-gray-400 hover:text-gray-800 dark:hover:text-gray-200 focus:outline-none transition duration-150 ease-in-out text-sm"
                  >
                    {t('common.cancel')}
                  </button>
                </div>
                
                {/* Right side: Save */}
                <button
                  type="button"
                  onClick={handleSubmit}
                  disabled={isSubmitting}
                  className={`px-4 py-2 bg-blue-600 text-white rounded-md hover:bg-blue-700 dark:bg-blue-500 dark:hover:bg-blue-600 focus:outline-none transition duration-150 ease-in-out text-sm ${
                    isSubmitting ? 'opacity-50 cursor-not-allowed' : ''
                  }`}
                >
                  {isSubmitting
                    ? t('modals.submitting')
                    : formData.id && formData.id !== 0
                    ? t('modals.updateArea')
                    : t('modals.createArea')}
                </button>
              </div>
            </div>
          </div>
        </div>
      </div>
    </div>
  );
};

export default AreaModal;