// Copyright (C) The Arvados Authors. All rights reserved.
//
// SPDX-License-Identifier: AGPL-3.0

import * as React from 'react';
import {
    StyleRulesCallback, WithStyles, withStyles, Card,
    CardHeader, IconButton, CardContent, Grid, Chip
} from '@material-ui/core';
import { connect, DispatchProp } from "react-redux";
import { RouteComponentProps } from 'react-router';
import { ArvadosTheme } from '~/common/custom-theme';
import { RootState } from '~/store/store';
import { MoreOptionsIcon, CollectionIcon, CopyIcon } from '~/components/icon/icon';
import { DetailsAttribute } from '~/components/details-attribute/details-attribute';
import { CollectionResource } from '~/models/collection';
import { CollectionPanelFiles } from '~/views-components/collection-panel-files/collection-panel-files';
import * as CopyToClipboard from 'react-copy-to-clipboard';
import { TagResource } from '~/models/tag';
import { CollectionTagForm } from './collection-tag-form';
import { deleteCollectionTag } from '~/store/collection-panel/collection-panel-action';

type CssRules = 'card' | 'iconHeader' | 'tag' | 'copyIcon' | 'label' | 'value';

const styles: StyleRulesCallback<CssRules> = (theme: ArvadosTheme) => ({
    card: {
        marginBottom: theme.spacing.unit * 2
    },
    iconHeader: {
        fontSize: '1.875rem',
        color: theme.customs.colors.yellow700
    },
    tag: {
        marginRight: theme.spacing.unit,
        marginBottom: theme.spacing.unit
    },
    copyIcon: {
        marginLeft: theme.spacing.unit,
        fontSize: '1.125rem',
        color: theme.palette.grey["500"],
        cursor: 'pointer'
    },
    label: {
        fontSize: '0.875rem'
    },
    value: {
        textTransform: 'none',
        fontSize: '0.875rem'
    }
});

interface CollectionPanelDataProps {
    item: CollectionResource;
    tags: TagResource[];
}

interface CollectionPanelActionProps {
    onItemRouteChange: (collectionId: string) => void;
    onContextMenu: (event: React.MouseEvent<HTMLElement>, item: CollectionResource) => void;
}

type CollectionPanelProps = CollectionPanelDataProps & CollectionPanelActionProps & DispatchProp
                            & WithStyles<CssRules> & RouteComponentProps<{ id: string }>;


export const CollectionPanel = withStyles(styles)(
    connect((state: RootState) => ({
        item: state.collectionPanel.item,
        tags: state.collectionPanel.tags
    }))(
        class extends React.Component<CollectionPanelProps> {

            render() {
                const { classes, item, tags, onContextMenu } = this.props;
                return <div>
                        <Card className={classes.card}>
                            <CardHeader
                                avatar={ <CollectionIcon className={classes.iconHeader} /> }
                                action={
                                    <IconButton
                                        aria-label="More options"
                                        onClick={event => onContextMenu(event, item)}>
                                        <MoreOptionsIcon />
                                    </IconButton>
                                }
                                title={item && item.name }
                                subheader={item && item.description} />
                            <CardContent>
                                <Grid container direction="column">
                                    <Grid item xs={6}>
                                        <DetailsAttribute classLabel={classes.label} classValue={classes.value}
                                                label='Collection UUID'
                                                value={item && item.uuid}>
                                            <CopyToClipboard text={item && item.uuid}>
                                                <CopyIcon className={classes.copyIcon} />
                                            </CopyToClipboard>
                                        </DetailsAttribute>
                                        <DetailsAttribute classLabel={classes.label} classValue={classes.value} 
                                            label='Number of files' value='14' />
                                        <DetailsAttribute classLabel={classes.label} classValue={classes.value} 
                                            label='Content size' value='54 MB' />
                                        <DetailsAttribute classLabel={classes.label} classValue={classes.value} 
                                            label='Owner' value={item && item.ownerUuid} />
                                    </Grid>
                                </Grid>
                            </CardContent>
                        </Card>

                        <Card className={classes.card}>
                            <CardHeader title="Properties" />
                            <CardContent>
                                <Grid container direction="column">
                                    <Grid item xs={12}><CollectionTagForm /></Grid>
                                    <Grid item xs={12}>
                                        {
                                            tags.map(tag => {
                                                return <Chip key={tag.etag} className={classes.tag}
                                                    onDelete={this.handleDelete(tag.uuid)}
                                                    label={renderTagLabel(tag)}  />;
                                            })
                                        }
                                    </Grid>
                                </Grid>
                            </CardContent>
                        </Card>
                        <div className={classes.card}>
                            <CollectionPanelFiles/>
                        </div>
                    </div>;
            }

            handleDelete = (uuid: string) => () => {
                this.props.dispatch<any>(deleteCollectionTag(uuid));
            }

            componentWillReceiveProps({ match, item, onItemRouteChange }: CollectionPanelProps) {
                if (!item || match.params.id !== item.uuid) {
                    onItemRouteChange(match.params.id);
                }
            }

        }
    )
);

const renderTagLabel = (tag: TagResource) => {
    const { properties } = tag;
    return `${properties.key}: ${properties.value}`;
};