import React, { useEffect, useState } from 'react';
import ContentBox from '@/components/elements/ContentBox';
import CreateApiKeyForm from '@/components/dashboard/forms/CreateApiKeyForm';
import getApiKeys, { ApiKey } from '@/api/account/getApiKeys';
import SpinnerOverlay from '@/components/elements/SpinnerOverlay';
import { FontAwesomeIcon } from '@fortawesome/react-fontawesome';
import { faKey } from '@fortawesome/free-solid-svg-icons/faKey';
import { faTrashAlt } from '@fortawesome/free-solid-svg-icons/faTrashAlt';
import ConfirmationModal from '@/components/elements/ConfirmationModal';
import deleteApiKey from '@/api/account/deleteApiKey';
import { Actions, useStoreActions } from 'easy-peasy';
import { ApplicationStore } from '@/state';
import FlashMessageRender from '@/components/FlashMessageRender';
import { httpErrorToHuman } from '@/api/http';
import format from 'date-fns/format';
import PageContentBlock from '@/components/elements/PageContentBlock';

export default () => {
    const [ deleteIdentifier, setDeleteIdentifier ] = useState('');
    const [ keys, setKeys ] = useState<ApiKey[]>([]);
    const [ loading, setLoading ] = useState(true);
    const { addError, clearFlashes } = useStoreActions((actions: Actions<ApplicationStore>) => actions.flashes);

    useEffect(() => {
        clearFlashes('account');
        getApiKeys()
            .then(keys => setKeys(keys))
            .then(() => setLoading(false))
            .catch(error => {
                console.error(error);
                addError({ key: 'account', message: httpErrorToHuman(error) });
            });
    }, []);

    const doDeletion = (identifier: string) => {
        setLoading(true);
        clearFlashes('account');
        deleteApiKey(identifier)
            .then(() => setKeys(s => ([
                ...(s || []).filter(key => key.identifier !== identifier),
            ])))
            .catch(error => {
                console.error(error);
                addError({ key: 'account', message: httpErrorToHuman(error) });
            })
            .then(() => setLoading(false));
    };

    return (
        <PageContentBlock>
            <FlashMessageRender byKey={'account'} className={'mb-4'}/>
            <div className={'flex'}>
                <ContentBox title={'Create API Key'} className={'flex-1'}>
                    <CreateApiKeyForm onKeyCreated={key => setKeys(s => ([ ...s!, key ]))}/>
                </ContentBox>
                <ContentBox title={'API Keys'} className={'ml-10 flex-1'}>
                    <SpinnerOverlay visible={loading}/>
                    {deleteIdentifier &&
                    <ConfirmationModal
                        title={'Confirm key deletion'}
                        buttonText={'Yes, delete key'}
                        visible={true}
                        onConfirmed={() => {
                            doDeletion(deleteIdentifier);
                            setDeleteIdentifier('');
                        }}
                        onDismissed={() => setDeleteIdentifier('')}
                    >
                        Are you sure you wish to delete this API key? All requests using it will immediately be
                        invalidated and will fail.
                    </ConfirmationModal>
                    }
                    {
                        keys.length === 0 ?
                            <p className={'text-center text-sm'}>
                                {loading ? 'Loading...' : 'No API keys exist for this account.'}
                            </p>
                            :
                            keys.map(key => (
                                <div
                                    key={key.identifier}
                                    className={'grey-row-box bg-neutral-600 mb-2 flex items-center'}
                                >
                                    <FontAwesomeIcon icon={faKey} className={'text-neutral-300'}/>
                                    <div className={'ml-4 flex-1'}>
                                        <p className={'text-sm'}>{key.description}</p>
                                        <p className={'text-2xs text-neutral-300 uppercase'}>
                                            Last
                                            used: {key.lastUsedAt ? format(key.lastUsedAt, 'MMM Do, YYYY HH:mm') : 'Never'}
                                        </p>
                                    </div>
                                    <p className={'text-sm ml-4'}>
                                        <code className={'font-mono py-1 px-2 bg-neutral-900 rounded'}>
                                            {key.identifier}
                                        </code>
                                    </p>
                                    <button
                                        className={'ml-4 p-2 text-sm'}
                                        onClick={() => setDeleteIdentifier(key.identifier)}
                                    >
                                        <FontAwesomeIcon
                                            icon={faTrashAlt}
                                            className={'text-neutral-400 hover:text-red-400 transition-colors duration-150'}
                                        />
                                    </button>
                                </div>
                            ))
                    }
                </ContentBox>
            </div>
        </PageContentBlock>
    );
};