import styled, { css } from 'styled-components';
import { bgColor, border, height, lineHeight, color, transition } from './helper';
import theme from 'styles/theme';
import { IButton } from './types';

export const Btn = styled.button<IButton & { hasChildren: boolean }>`
    font-size: 14px;
    cursor: pointer;
    padding: 0 ${p => (p.hasChildren ? 16 : 10)}px;
    box-sizing: border-box;
    text-align: center;
    outline: none;
    border-radius: 2px;
    background-position: center;

    background-color: ${p => bgColor(p)};
    height: ${p => height(p)};
    line-height: ${p => lineHeight(p)};
    border: ${p => border(p)};
    color: ${p => color(p)};
    transition: ${p => transition(p)};
    ${p => p.appearance === 'round' && css``};
    &:hover {
        background: ${p => bgColor(p, 'Hover')} radial-gradient(circle, transparent 1%, ${p => bgColor(p, 'Hover')} 1%)
            center/15000%;
        border: ${p => border(p, 'Hover')};
        color: ${p => color(p, 'Hover')};
        && svg.btn-icon-invert path {
            fill: ${p => color(p, 'Hover')};
        }
    }
    &:active {
        background-color: ${p => bgColor(p, 'Active')};
        border: ${p => border(p, 'Active')};
        color: ${p => color(p, 'Active')};
        && svg.btn-icon-invert path {
            fill: ${p => color(p, 'Active')};
        }
        background-image: none;
        background-size: ${p => (p.ripple ? '100%' : 'none')};
        transition: background 0s;
    }
    &:disabled {
        cursor: not-allowed;
        background-image: none;
        background-color: ${p => bgColor(p, 'Disabled')};
        border: ${p => border(p, 'Disabled')};
        color: ${p => color(p, 'Disabled')};
        && svg.btn-icon-invert path {
            fill: ${p => color(p, 'Disabled')};
        }
    }

    svg {
        display: inline-block;
        vertical-align: middle;
    }
    svg.fix-v-align {
        transform: translateY(-1px);
    }
    svg + span,
    span + svg {
        margin-left: 8px;
    }

    &&& svg.btn-icon-white path {
        fill: white;
    }
    &&& svg.btn-icon-invert path {
        fill: ${p => color(p)};
    }
`;
Btn.defaultProps = { theme };