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

import React from 'react';
import withStyles from "@material-ui/core/styles/withStyles";
import { DispatchProp, connect } from 'react-redux';
import { RouteComponentProps } from 'react-router';
import { StyleRulesCallback, WithStyles } from "@material-ui/core";

import { DataExplorer } from "views-components/data-explorer/data-explorer";
import { DataColumns } from 'components/data-table/data-table';
import { RootState } from 'store/store';
import { DataTableFilterItem } from 'components/data-table-filters/data-table-filters';
import { ContainerRequestState } from 'models/container-request';
import { SortDirection } from 'components/data-table/data-column';
import { ResourceKind, Resource } from 'models/resource';
import {
    ResourceFileSize,
    ResourceLastModifiedDate,
    ProcessStatus,
    ResourceType,
    ResourceOwner
} from 'views-components/data-explorer/renderers';
import { ProjectIcon } from 'components/icon/icon';
import { ResourceName } from 'views-components/data-explorer/renderers';
import {
    ResourcesState,
    getResource
} from 'store/resources/resources';
import { loadDetailsPanel } from 'store/details-panel/details-panel-action';
import {
    openContextMenu,
    resourceUuidToContextMenuKind
} from 'store/context-menu/context-menu-actions';
import { navigateTo } from 'store/navigation/navigation-action';
import { getProperty } from 'store/properties/properties';
import { PROJECT_PANEL_CURRENT_UUID } from 'store/project-panel/project-panel-action';
import { DataTableDefaultView } from 'components/data-table-default-view/data-table-default-view';
import { ArvadosTheme } from "common/custom-theme";
import { createTree } from 'models/tree';
import {
    getInitialResourceTypeFilters,
    getInitialProcessStatusFilters
} from 'store/resource-type-filters/resource-type-filters';
import { GroupContentsResource } from 'services/groups-service/groups-service';
import { GroupClass, GroupResource } from 'models/group';

type CssRules = 'root' | "button";

const styles: StyleRulesCallback<CssRules> = (theme: ArvadosTheme) => ({
    root: {
        position: 'relative',
        width: '100%',
        height: '100%'
    },
    button: {
        marginLeft: theme.spacing.unit
    },
});

export enum ProjectPanelColumnNames {
    NAME = "Name",
    STATUS = "Status",
    TYPE = "Type",
    OWNER = "Owner",
    FILE_SIZE = "File size",
    LAST_MODIFIED = "Last modified"
}

export interface ProjectPanelFilter extends DataTableFilterItem {
    type: ResourceKind | ContainerRequestState;
}

export const projectPanelColumns: DataColumns<string> = [
    {
        name: ProjectPanelColumnNames.NAME,
        selected: true,
        configurable: true,
        sortDirection: SortDirection.NONE,
        filters: createTree(),
        render: uuid => <ResourceName uuid={uuid} />
    },
    {
        name: "Status",
        selected: true,
        configurable: true,
        mutuallyExclusiveFilters: true,
        filters: getInitialProcessStatusFilters(),
        render: uuid => <ProcessStatus uuid={uuid} />,
    },
    {
        name: ProjectPanelColumnNames.TYPE,
        selected: true,
        configurable: true,
        filters: getInitialResourceTypeFilters(),
        render: uuid => <ResourceType uuid={uuid} />
    },
    {
        name: ProjectPanelColumnNames.OWNER,
        selected: false,
        configurable: true,
        filters: createTree(),
        render: uuid => <ResourceOwner uuid={uuid} />
    },
    {
        name: ProjectPanelColumnNames.FILE_SIZE,
        selected: true,
        configurable: true,
        filters: createTree(),
        render: uuid => <ResourceFileSize uuid={uuid} />
    },
    {
        name: ProjectPanelColumnNames.LAST_MODIFIED,
        selected: true,
        configurable: true,
        sortDirection: SortDirection.DESC,
        filters: createTree(),
        render: uuid => <ResourceLastModifiedDate uuid={uuid} />
    }
];

export const PROJECT_PANEL_ID = "projectPanel";

const DEFAULT_VIEW_MESSAGES = [
    'Your project is empty.',
    'Please create a project or create a collection and upload a data.',
];

interface ProjectPanelDataProps {
    currentItemId: string;
    resources: ResourcesState;
    isAdmin: boolean;
    userUuid: string;
}

type ProjectPanelProps = ProjectPanelDataProps & DispatchProp
    & WithStyles<CssRules> & RouteComponentProps<{ id: string }>;

export const ProjectPanel = withStyles(styles)(
    connect((state: RootState) => ({
        currentItemId: getProperty(PROJECT_PANEL_CURRENT_UUID)(state.properties),
        resources: state.resources,
        userUuid: state.auth.user!.uuid,
    }))(
        class extends React.Component<ProjectPanelProps> {
            render() {
                const { classes } = this.props;
                return <div className={classes.root}>
                    <DataExplorer
                        id={PROJECT_PANEL_ID}
                        onRowClick={this.handleRowClick}
                        onRowDoubleClick={this.handleRowDoubleClick}
                        onContextMenu={this.handleContextMenu}
                        contextMenuColumn={true}
                        dataTableDefaultView={
                            <DataTableDefaultView
                                icon={ProjectIcon}
                                messages={DEFAULT_VIEW_MESSAGES} />
                        } />
                </div>;
            }

            isCurrentItemChild = (resource: Resource) => {
                return resource.ownerUuid === this.props.currentItemId;
            }

            handleContextMenu = (event: React.MouseEvent<HTMLElement>, resourceUuid: string) => {
                const { resources } = this.props;
                const resource = getResource<GroupContentsResource>(resourceUuid)(resources);
                // When viewing the contents of a filter group, all contents should be treated as read only.
                let readonly = false;
                const project = getResource<GroupResource>(this.props.currentItemId)(resources);
                if (project && project.groupClass === GroupClass.FILTER) {
                    readonly = true;
                }

                const menuKind = this.props.dispatch<any>(resourceUuidToContextMenuKind(resourceUuid, readonly));
                if (menuKind && resource) {
                    this.props.dispatch<any>(openContextMenu(event, {
                        name: resource.name,
                        uuid: resource.uuid,
                        ownerUuid: resource.ownerUuid,
                        isTrashed: ('isTrashed' in resource) ? resource.isTrashed: false,
                        kind: resource.kind,
                        menuKind
                    }));
                }
                this.props.dispatch<any>(loadDetailsPanel(resourceUuid));
            }

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

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

        }
    )
);