/** *******************************************************************************************************************
  Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
  
  Licensed under the Apache License, Version 2.0 (the "License").
  You may not use this file except in compliance with the License.
  You may obtain a copy of the License at
  
      http://www.apache.org/licenses/LICENSE-2.0
  
  Unless required by applicable law or agreed to in writing, software
  distributed under the License is distributed on an "AS IS" BASIS,
  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  See the License for the specific language governing permissions and
  limitations under the License.                                                                              *
 ******************************************************************************************************************** */
import React, { useCallback, useMemo } from 'react';
import { action } from '@storybook/addon-actions';
import Multiselect, { SelectOption, StatusType, FilterOptionsState } from '.';
import FormField from '../FormField';
import Box from '../../layouts/Box';
import { awsServices } from '../Autosuggest/data/data';

export default {
    component: Multiselect,
    title: 'Components/Multiselect',
};

function sleep(delay = 0) {
    return new Promise((resolve) => {
        setTimeout(resolve, delay);
    });
}

export const Default = () => (
    <FormField label="Form field label" controlId="formFieldId1">
        <Multiselect
            options={awsServices}
            controlId="formFieldId1"
            ariaDescribedby="This is a description"
            onChange={action('onChange')}
            onFocus={action('onFocus')}
            onBlur={action('onBlur')}
        />
    </FormField>
);

export const WithCheckboxes = () => (
    <FormField label="Form field label" controlId="formFieldId2">
        <Multiselect
            options={awsServices}
            controlId="formFieldId2"
            ariaDescribedby="This is a description"
            onChange={action('onChange')}
            checkboxes={true}
        />
    </FormField>
);

export const WithInitialValue = () => (
    <FormField label="Form field label" controlId="formFieldId2">
        <Multiselect
            options={awsServices}
            controlId="formFieldId2"
            ariaDescribedby="This is a description"
            onChange={action('onChange')}
            checkboxes={true}
            value={[
                {
                    value: 'EC2',
                    label: 'EC2 - Amazon Elastic Compute Cloud',
                },
            ]}
        />
    </FormField>
);

export const AsyncLoading = () => {
    const [shouldLoad, setLoadingStatus] = React.useState(false);
    const [status, setStatus] = React.useState<StatusType>('finished');
    const [options, setOptions] = React.useState<SelectOption[]>([]);

    React.useEffect(() => {
        const loading = shouldLoad && options.length === 0;
        if (loading) {
            (async () => {
                setStatus('loading');
                await sleep(1e3);

                setStatus('finished');
                setOptions(awsServices);
                setLoadingStatus(false);
            })();
        }
    }, [shouldLoad, options.length]);

    return (
        <FormField label="Form field label" controlId="formFieldId1">
            <Multiselect
                controlId="formFieldId1"
                loadingText="Loading services"
                statusType={status}
                onFocus={() => {
                    setOptions([]);
                    setLoadingStatus(true);
                    action('onFocus');
                }}
                options={options}
                empty="No matching service found"
                onChange={console.log}
            />
        </FormField>
    );
};

export const FreeSolo = () => (
    <FormField label="Form field label" controlId="formFieldId1">
        <Multiselect
            options={awsServices}
            controlId="formFieldId1"
            ariaDescribedby="This is a description"
            onChange={action('onChange')}
            onFocus={action('onFocus')}
            onBlur={action('onBlur')}
            freeSolo
        />
    </FormField>
);

const customOptions = [
    {
        id: 1,
        name: 'Name 1',
        description: 'Description 1',
    },
    {
        id: 2,
        name: 'Name 2',
        description: 'Description 2',
    },
    {
        id: 3,
        name: 'Name 3',
        description: 'Description 3',
    },
    {
        id: 4,
        name: 'Name 4',
        description: 'Description 4',
    },
];

interface CustomOptionType extends SelectOption {
    id: number;
    name: string;
    description: string;
}

export const RenderCustomLabel = () => {
    const options: CustomOptionType[] = useMemo(() => {
        return customOptions.map((o) => ({
            ...o,
            label: `${o.id}-${o.name}`,
            value: o.id.toString(),
        }));
    }, []);

    const renderOption = useCallback((o) => {
        return (
            <Box>
                <Box>
                    <b>
                        {o.id}-{o.name}
                    </b>
                </Box>
                <Box>{o.description}</Box>
            </Box>
        );
    }, []);

    const filterOptions = useCallback((options: SelectOption[], state: FilterOptionsState) => {
        if (state?.inputValue) {
            return (options as CustomOptionType[]).filter(
                (o) =>
                    o.label.toLowerCase().indexOf(state.inputValue.toLowerCase()) >= 0 ||
                    o.name.toLowerCase().indexOf(state.inputValue.toLowerCase()) >= 0 ||
                    o.description.toLowerCase().indexOf(state.inputValue.toLowerCase()) >= 0
            );
        }

        return options;
    }, []);

    return (
        <Box>
            <Multiselect
                options={options}
                checkboxes
                value={[...options.slice(2)]}
                renderOption={renderOption}
                filterOptions={filterOptions}
            />
        </Box>
    );
};