import React, { Suspense } from 'react';
import styled, { keyframes } from 'styled-components/macro';
import tw, { css } from 'twin.macro';

export type SpinnerSize = 'small' | 'base' | 'large';

interface Props {
    size?: SpinnerSize;
    centered?: boolean;
    isBlue?: boolean;
}

interface Spinner extends React.FC<Props> {
    Size: Record<'SMALL' | 'BASE' | 'LARGE', SpinnerSize>;
    Suspense: React.FC<Props>;
}

const spin = keyframes`
    to { transform: rotate(360deg); }
`;

// noinspection CssOverwrittenProperties
const SpinnerComponent = styled.div<Props>`
    ${tw`w-8 h-8`};
    border-width: 3px;
    border-radius: 50%;
    animation: ${spin} 1s cubic-bezier(0.55, 0.25, 0.25, 0.70) infinite;

    ${props => props.size === 'small' ? tw`w-4 h-4 border-2` : (props.size === 'large' ? css`
        ${tw`w-16 h-16`};
        border-width: 6px;
    ` : null)};

    border-color: ${props => !props.isBlue ? 'rgba(255, 255, 255, 0.2)' : 'hsla(212, 92%, 43%, 0.2)'};
    border-top-color: ${props => !props.isBlue ? 'rgb(255, 255, 255)' : 'hsl(212, 92%, 43%)'};
`;

const Spinner: Spinner = ({ centered, ...props }) => (
    centered ?
        <div
            css={[
                tw`flex justify-center items-center`,
                props.size === 'large' ? tw`m-20` : tw`m-6`,
            ]}
        >
            <SpinnerComponent {...props}/>
        </div>
        :
        <SpinnerComponent {...props}/>
);
Spinner.displayName = 'Spinner';

Spinner.Size = {
    SMALL: 'small',
    BASE: 'base',
    LARGE: 'large',
};

Spinner.Suspense = ({ children, centered = true, size = Spinner.Size.LARGE, ...props }) => (
    <Suspense fallback={<Spinner centered={centered} size={size} {...props}/>}>
        {children}
    </Suspense>
);
Spinner.Suspense.displayName = 'Spinner.Suspense';

export default Spinner;
