import React from "react";
import PropTypes from "prop-types";

import Viewer from 'react-viewer';
import { Icons } from "asc-web-components";
import styled from "styled-components";
import MediaScrollButton from "./scroll-button"
import ControlBtn from "./control-btn"

const StyledViewer = styled(Viewer)`

    .react-viewer-footer{
        bottom: 5px!important;
        z-index: 4001!important;
        overflow: visible;
    }
    .react-viewer-canvas{
        z-index: 4000!important;
        margin-top: 50px;
    }
    .react-viewer-navbar,
    .react-viewer-mask,
    .react-viewer-attribute,
    .react-viewer-close{
        display: none
    }
    .react-viewer-toolbar{
        position: relative;
        overflow: visible;
        bottom: 4px;
    }
    .react-viewer-toolbar li{
        width: 40px;
        height:30px;
        margin-top: 4px;
        border-radius: 2px;
        cursor: pointer;
        line-height: 24px;
    }
    .react-viewer-btn{
        background-color: transparent;
        &:hover{
            background-color: rgba(200, 200, 200, 0.2);
        }
    }
    li[data-key='prev']{
        left: 20px
    }
    li[data-key='next']{
        right: 20px
    }
    li[data-key='prev'],
    li[data-key='next']{
        position: fixed;
        top: calc(50% - 20px);
        
        height: auto;
        background: none;

        &:hover{
            background: none;
        }
    }
    li[data-key='delete'],
    li[data-key='customDownload']{
        position: fixed;
        bottom: 10px;
        .controlBtn{
            margin: 0
        }
    }
    li[data-key='delete']{
        right: 62px;
    }
    li[data-key='customDownload']{
        right: 12px;
    }
    .iconContainer{
        width: 20px;
        line-height: 20px;
        margin: 4px auto;

        &.reset{
            width: 18px;
        }
    }

    .btnContainer{
        display: block;
        width: 20px;
        margin: 3px 10px;
        line-height: 19px;
    }
    .scrollBtn{
        cursor: ${props => props.inactive ? 'default' : 'pointer'};
        opacity: ${props => props.inactive ? '0.2' : '1'};
        &:hover{
            background-color: ${props => !props.inactive ? 'rgba(200, 200, 200, 0.2)' : 'rgba(11,11,11,0.7)'};
        }
    }
`


var customToolbar = [
    {
        key: 'zoomIn',
        actionType: 1,
        render: <div className="iconContainer"><Icons.MediaZoomInIcon size="scale" /></div>
    },
    {
        key: 'zoomOut',
        actionType: 2,
        render: <div className="iconContainer"><Icons.MediaZoomOutIcon size="scale" /></div>
    },
    {
        key: 'reset',
        actionType: 7,
        render: <div className="iconContainer reset"><Icons.MediaResetIcon size="scale" /></div>
    },
    {
        key: 'rotateLeft',
        actionType: 5,
        render: <div className="iconContainer"><Icons.MediaRotateLeftIcon size="scale" /></div>
    },
    {
        key: 'rotateRight',
        actionType: 6,
        render: <div className="iconContainer"><Icons.MediaRotateRightIcon size="scale" /></div>
    },
    {
        key: 'prev',
        actionType: 3,
        render: <MediaScrollButton orientation="right" className="scrollBtn"/>
    },
    {
        key: 'next',
        actionType: 4,
        render: <MediaScrollButton orientation="left" className="scrollBtn"/>
    },
    {
        key: 'delete',
        render: <ControlBtn className="controlBtn">
            <div className="btnContainer">
                <Icons.MediaDeleteIcon size="scale" />
            </div>
        </ControlBtn>
    },
    {
        key: 'customDownload',
        render: <ControlBtn className="controlBtn">
            <div className="btnContainer">
                <Icons.MediaDownloadIcon size="scale" />
            </div>
        </ControlBtn>
    }
];

class ImageViewer extends React.Component {
    constructor(props) {
        super(props);

        this.state = {
            visible: false,
        };
    }

    render() {

        const { className, visible, images, inactive } = this.props;

        customToolbar.forEach((button) => {
            switch (button.key) {
                case "prev":
                    button.onClick = this.props.onPrevClick;
                    break;
                case "next":
                    button.onClick = this.props.onNextClick;
                    break;
                case "delete":
                    button.onClick = this.props.onDeleteClick;
                    break;
                case "customDownload":
                    button.onClick = this.props.onDownloadClick;
                    break;
                default:
                    break;
            }
        });
        return (
            <div className={className}>
                <StyledViewer
                    inactive={inactive}
                    visible={visible}
                    customToolbar={(toolbars) => {
                        return customToolbar;
                    }}
                    images={images}
                />
            </div>
        )
    };
}

ImageViewer.propTypes = {
    className: PropTypes.string,
    visible: PropTypes.bool,
    inactive: PropTypes.bool,
    images: PropTypes.arrayOf(PropTypes.object),
    onNextClick: PropTypes.func,
    onPrevClick: PropTypes.func,
    onDeleteClick: PropTypes.func,
    onDownloadClick: PropTypes.func
}

export default ImageViewer;