import React, { useEffect, useState } from 'react';
import { useNavigate, useParams } from 'react-router-dom';
import { toast } from 'react-toastify';
import { Button, Card, Col, Form, Input, Row, Spin } from 'antd';
import { shallowEqual, useDispatch, useSelector } from 'react-redux';
import {
  disableRefetch,
  removeFromMenu,
  setMenuData,
} from '../../redux/slices/menu';
import { useTranslation } from 'react-i18next';
import LanguageList from '../../components/language-list';
import getTranslationFields from '../../helpers/getTranslationFields';
import MediaUpload from '../../components/upload';
import shopTagService from '../../services/shopTag';
import { fetchShopTag } from '../../redux/slices/shopTag';

const TagEdit = () => {
  const { t } = useTranslation();
  const { activeMenu } = useSelector((state) => state.menu, shallowEqual);
  const dispatch = useDispatch();
  const [form] = Form.useForm();
  const navigate = useNavigate();
  const { id } = useParams();

  const [image, setImage] = useState(
    activeMenu.data?.img ? activeMenu.data?.img : [],
  );
  const [loadingBtn, setLoadingBtn] = useState(false);
  const [loading, setLoading] = useState(false);

  const { languages, defaultLang } = useSelector(
    (state) => state.formLang,
    shallowEqual,
  );

  useEffect(() => {
    return () => {
      const data = form.getFieldsValue(true);
      dispatch(setMenuData({ activeMenu, data }));
    };
    // eslint-disable-next-line react-hooks/exhaustive-deps
  }, []);

  const createImages = (items) =>
    items.map((item) => ({
      uid: item,
      name: item,
      url: item,
    }));

  function getLanguageFields(data) {
    if (!data) {
      return {};
    }
    const { translations } = data;
    const result = languages.map((item) => ({
      [`title[${item.locale}]`]: translations.find(
        (el) => el.locale === item.locale,
      )?.title,
    }));
    return Object.assign({}, ...result);
  }

  const getBanner = (alias) => {
    setLoading(true);
    shopTagService
      .getById(alias)
      .then((res) => {
        let tag = res.data;

        const data = {
          images: createImages([tag.img]),
          ...getLanguageFields(tag),
        };
        form.setFieldsValue(data);
        setImage(createImages([tag.img]));
        dispatch(setMenuData({ activeMenu, data }));
      })
      .finally(() => {
        dispatch(disableRefetch(activeMenu));
        setLoading(false);
      });
  };

  const onFinish = (values) => {
    const body = {
      images: image.map((image) => image.name),
      title: getTranslationFields(languages, values, 'title'),
    };
    setLoadingBtn(true);
    const nextUrl = 'shop-tag';
    shopTagService
      .update(id, body)
      .then(() => {
        toast.success(t('successfully.created'));
        dispatch(removeFromMenu({ ...activeMenu, nextUrl }));
        navigate(`/${nextUrl}`);
        dispatch(fetchShopTag());
      })
      .finally(() => setLoadingBtn(false));
  };

  useEffect(() => {
    if (activeMenu.refetch) getBanner(id);
    // eslint-disable-next-line react-hooks/exhaustive-deps
  }, [activeMenu.refetch]);

  return (
    <Card title={t('edit.shop.tag')} className='h-100' extra={<LanguageList />}>
      {!loading ? (
        <Form
          name='edit.shop.tag'
          layout='vertical'
          onFinish={onFinish}
          form={form}
          initialValues={{ active: true, ...activeMenu.data }}
          className='d-flex flex-column h-100'
        >
          <Row gutter={12}>
            <Col span={12}>
              {languages.map((item) => (
                <Form.Item
                  key={'title' + item.locale}
                  label={t('title')}
                  name={`title[${item.locale}]`}
                  rules={[
                    {
                      required: item.locale === defaultLang,
                      message: t('required'),
                    },
                  ]}
                  hidden={item.locale !== defaultLang}
                >
                  <Input />
                </Form.Item>
              ))}
            </Col>
            <Col span={24}>
              <Form.Item
                rules={[
                  {
                    required: true,
                    message: t('required'),
                  },
                ]}
                label={t('image')}
                name='images'
              >
                <MediaUpload
                  type='shop-tags'
                  imageList={image}
                  setImageList={setImage}
                  form={form}
                  multiple={false}
                />
              </Form.Item>
            </Col>
          </Row>
          <div className='flex-grow-1 d-flex flex-column justify-content-end'>
            <div className='pb-5'>
              <Button
                type='primary'
                htmlType='submit'
                loading={loadingBtn}
                disabled={loadingBtn}
              >
                {t('save')}
              </Button>
            </div>
          </div>
        </Form>
      ) : (
        <div className='d-flex justify-content-center align-items-center'>
          <Spin size='large' className='py-5' />
        </div>
      )}
    </Card>
  );
};

export default TagEdit;
