// React
import { useState, useEffect, FormEvent, ChangeEvent } from 'react';
import { connect } from 'react-redux';

// State
import { createNotification, updateConfig } from '../../../store/actions';

// Typescript
import {
  GlobalState,
  NewNotification,
  Query,
  SearchForm,
} from '../../../interfaces';

// Utils
import { searchConfig } from '../../../utility';
import InputGroup from '../../UI/Forms/InputGroup/InputGroup';

// Data
import { queries } from '../../../utility/searchQueries.json';

// UI
import Button from '../../UI/Buttons/Button/Button';

interface Props {
  createNotification: (notification: NewNotification) => void;
  updateConfig: (formData: SearchForm) => void;
  loading: boolean;
  customQueries: Query[];
}

const SearchSettings = (props: Props): JSX.Element => {
  // Initial state
  const [formData, setFormData] = useState<SearchForm>({
    hideSearch: 0,
    defaultSearchProvider: 'l',
    searchSameTab: 0,
  });

  // Get config
  useEffect(() => {
    setFormData({
      hideSearch: searchConfig('hideSearch', 0),
      defaultSearchProvider: searchConfig('defaultSearchProvider', 'd'),
      searchSameTab: searchConfig('searchSameTab', 0),
    });
  }, [props.loading]);

  // Form handler
  const formSubmitHandler = async (e: FormEvent) => {
    e.preventDefault();

    // Save settings
    await props.updateConfig(formData);
  };

  // Input handler
  const inputChangeHandler = (
    e: ChangeEvent<HTMLInputElement | HTMLSelectElement>,
    isNumber?: boolean
  ) => {
    let value: string | number = e.target.value;

    if (isNumber) {
      value = parseFloat(value);
    }

    setFormData({
      ...formData,
      [e.target.name]: value,
    });
  };

  return (
    <form onSubmit={(e) => formSubmitHandler(e)}>
      <InputGroup>
        <label htmlFor="defaultSearchProvider">Default Search Provider</label>
        <select
          id="defaultSearchProvider"
          name="defaultSearchProvider"
          value={formData.defaultSearchProvider}
          onChange={(e) => inputChangeHandler(e)}
        >
          {[...queries, ...props.customQueries].map((query: Query, idx) => (
            <option key={idx} value={query.prefix}>
              {query.name}
            </option>
          ))}
        </select>
      </InputGroup>
      <InputGroup>
        <label htmlFor="searchSameTab">
          Open search results in the same tab
        </label>
        <select
          id="searchSameTab"
          name="searchSameTab"
          value={formData.searchSameTab}
          onChange={(e) => inputChangeHandler(e, true)}
        >
          <option value={1}>True</option>
          <option value={0}>False</option>
        </select>
      </InputGroup>
      <InputGroup>
        <label htmlFor="hideSearch">Hide search bar</label>
        <select
          id="hideSearch"
          name="hideSearch"
          value={formData.hideSearch}
          onChange={(e) => inputChangeHandler(e, true)}
        >
          <option value={1}>True</option>
          <option value={0}>False</option>
        </select>
      </InputGroup>
      <Button>Save changes</Button>
    </form>
  );
};

const mapStateToProps = (state: GlobalState) => {
  return {
    loading: state.config.loading,
    customQueries: state.config.customQueries,
  };
};

const actions = {
  createNotification,
  updateConfig,
};

export default connect(mapStateToProps, actions)(SearchSettings);