import { QueryControls } from '@wordpress/components';
import { useState } from '@wordpress/element';

const QUERY_DEFAULTS = {
    category: 1,
    categories: [
        {
            id: 1,
            name: 'Category 1',
            parent: 0,
        },
        {
            id: 2,
            name: 'Category 1b',
            parent: 1,
        },
        {
            id: 3,
            name: 'Category 2',
            parent: 0,
        },
    ],
    maxItems: 20,
    minItems: 1,    
    numberOfItems: 10,
    order: 'asc',
    orderBy: 'title',   
};

const MyQueryControls = () => {
    const [ query, setQuery ] = useState( QUERY_DEFAULTS );
    const { category, categories, maxItems, minItems, numberOfItems, order, orderBy  } = query;

    const updateQuery = ( newQuery ) => {
        setQuery( { ...query, ...newQuery } );
    };

    return (
        <QueryControls
            { ...{ maxItems, minItems, numberOfItems, order, orderBy } }
            onOrderByChange={ ( newOrderBy ) => updateQuery( { orderBy: newOrderBy } ) }
            onOrderChange={ ( newOrder ) => updateQuery( { order: newOrder } ) }
            categoriesList={ categories }
            selectedCategoryId={ category }
            onCategoryChange={ ( newCategory ) => updateQuery( { category: newCategory } ) }
            onNumberOfItemsChange={ ( newNumberOfItems ) =>
                updateQuery( { numberOfItems: newCategory } )
            }
        />
    );
};

const QUERY_DEFAULTS = {
    orderBy: 'title',
    order: 'asc',
    selectedCategories: [ 1 ],
    categories: [
        {
            id: 1,
            name: 'Category 1',
            parent: 0,
        },
        {
            id: 2,
            name: 'Category 1b',
            parent: 1,
        },
        {
            id: 3,
            name: 'Category 2',
            parent: 0,
        },
    ],
    numberOfItems: 10,
};

const MyQueryControls = () => {
    const [ query, setQuery ] = useState( QUERY_DEFAULTS );
    const { orderBy, order, selectedCategories, categories, numberOfItems } = query;

    const updateQuery = ( newQuery ) => {
        setQuery( { ...query, ...newQuery } );
    };

    return (
        <QueryControls
            { ...{ orderBy, order, numberOfItems } }
            onOrderByChange={ ( newOrderBy ) => updateQuery( { orderBy: newOrderBy } ) }
            onOrderChange={ ( newOrder ) => updateQuery( { order: newOrder } ) }
            categorySuggestions={ categories }
            selectedCategories={ selectedCategories }
            onCategoryChange={ ( category ) => updateQuery( { selectedCategories: category } ) }
            onNumberOfItemsChange={ ( newNumberOfItems ) =>
                updateQuery( { numberOfItems: newCategory } )
            }
        />
    );
};