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

import * as React from 'react';
import { ProjectPanelItem } from './project-panel-item';
import { Grid, Typography, Button, Toolbar, StyleRulesCallback, WithStyles, withStyles } from '@material-ui/core';
import { formatDate, formatFileSize } from '../../common/formatters';
import DataExplorer from "../../views-components/data-explorer/data-explorer";
import { ContextMenuAction } from '../../components/context-menu/context-menu';
import { DispatchProp, connect } from 'react-redux';
import { DataColumns } from '../../components/data-table/data-table';
import { RouteComponentProps } from 'react-router';
import { RootState } from '../../store/store';
import { ResourceKind } from '../../models/kinds';
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 DialogProjectCreate from '../../components/dialog-create/dialog-project-create';
import { mockAnchorFromMouseEvent } from "../../components/popover/helpers";

export const PROJECT_PANEL_ID = "projectPanel";

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

interface DataExplorerState<T> {
    contextMenu: {
        anchorEl?: HTMLElement;
        item?: T;
    };
    open?: boolean;
}

type ProjectPanelProps = {
    currentItemId: string,
    onItemClick: (item: ProjectPanelItem) => void,
    onItemRouteChange: (itemId: string) => void,
    handleCreationDialogOpen: () => void;
    handleCreationDialogClose: () => void;
    isCreationDialogOpen: boolean;
}
    & DispatchProp
    & WithStyles<CssRules>
    & RouteComponentProps<{ id: string }>;

class ProjectPanel extends React.Component<ProjectPanelProps, DataExplorerState<any>> {
    state: DataExplorerState<any> = {
        contextMenu: {},
        open: false,
    };
    
    render() {
        return <div>
            <div className={this.props.classes.toolbar}>
                <Button color="primary" variant="raised" className={this.props.classes.button}>
                    Create a collection
                </Button>
                <Button color="primary" variant="raised" className={this.props.classes.button}>
                    Run a process
                </Button>
                <Button color="primary" onClick={this.props.handleCreationDialogOpen} variant="raised" className={this.props.classes.button}>
                    New project
                </Button>
                <DialogProjectCreate open={this.props.isCreationDialogOpen} handleClose={this.props.handleCreationDialogClose}/>
            </div>
            <DataExplorer
                id={PROJECT_PANEL_ID}
                contextActions={contextMenuActions}
                onRowClick={this.props.onItemClick}
                onContextAction={this.executeAction}
                openContextMenu={this.openContextMenu}
                closeContextMenu={this.closeContextMenu} />;
        </div>;
    }

    componentWillReceiveProps({ match, currentItemId }: ProjectPanelProps) {
        if (match.params.id !== currentItemId) {
            this.props.onItemRouteChange(match.params.id);
        }
    }

    executeAction = (action: ContextMenuAction, item: ProjectPanelItem) => {
        alert(`Executing ${action.name} on ${item.name}`);
    }

    openContextMenu = (event: React.MouseEvent<HTMLElement>, item: any) => {
        event.preventDefault();
        event.stopPropagation();
        this.setState({
            contextMenu: {
                anchorEl: mockAnchorFromMouseEvent(event),
                item
            }
        });
    }

    closeContextMenu = () => {
        this.setState({ contextMenu: {} });
    }

}

type CssRules = "toolbar" | "button";

const styles: StyleRulesCallback<CssRules> = theme => ({
    toolbar: {
        paddingBottom: theme.spacing.unit * 3,
        textAlign: "right"
    },
    button: {
        marginLeft: theme.spacing.unit
    },
});

const renderName = (item: ProjectPanelItem) =>
    <Grid
        container
        alignItems="center"
        wrap="nowrap"
        spacing={16}>
        <Grid item>
            {renderIcon(item)}
        </Grid>
        <Grid item>
            <Typography color="primary">
                {item.name}
            </Typography>
        </Grid>
    </Grid>;


const renderIcon = (item: ProjectPanelItem) => {
    switch (item.kind) {
        case ResourceKind.Project:
            return <i className="fas fa-folder fa-lg" />;
        case ResourceKind.Collection:
            return <i className="fas fa-archive fa-lg" />;
        case ResourceKind.Process:
            return <i className="fas fa-cogs fa-lg" />;
        default:
            return <i />;
    }
};

const renderDate = (date: string) =>
    <Typography noWrap>
        {formatDate(date)}
    </Typography>;

const renderFileSize = (fileSize?: number) =>
    <Typography noWrap>
        {formatFileSize(fileSize)}
    </Typography>;

const renderOwner = (owner: string) =>
    <Typography noWrap color="primary">
        {owner}
    </Typography>;



const typeToLabel = (type: string) => {
    switch (type) {
        case ResourceKind.Collection:
            return "Data collection";
        case ResourceKind.Project:
            return "Project";
        case ResourceKind.Process:
            return "Process";
        default:
            return "Unknown";
    }
};

const renderType = (type: string) => {
    return <Typography noWrap>
        {typeToLabel(type)}
    </Typography>;
};

const renderStatus = (item: ProjectPanelItem) =>
    <Typography noWrap align="center">
        {item.status || "-"}
    </Typography>;

export enum ProjectPanelColumnNames {
    Name = "Name",
    Status = "Status",
    Type = "Type",
    Owner = "Owner",
    FileSize = "File size",
    LastModified = "Last modified"

}

export const columns: DataColumns<ProjectPanelItem, ProjectPanelFilter> = [{
    name: ProjectPanelColumnNames.Name,
    selected: true,
    sortDirection: SortDirection.Asc,
    render: renderName,
    width: "450px"
}, {
    name: "Status",
    selected: true,
    filters: [{
        name: ContainerRequestState.Committed,
        selected: true,
        type: ContainerRequestState.Committed
    }, {
        name: ContainerRequestState.Final,
        selected: true,
        type: ContainerRequestState.Final
    }, {
        name: ContainerRequestState.Uncommitted,
        selected: true,
        type: ContainerRequestState.Uncommitted
    }],
    render: renderStatus,
    width: "75px"
}, {
    name: ProjectPanelColumnNames.Type,
    selected: true,
    filters: [{
        name: typeToLabel(ResourceKind.Collection),
        selected: true,
        type: ResourceKind.Collection
    }, {
        name: typeToLabel(ResourceKind.Process),
        selected: true,
        type: ResourceKind.Process
    }, {
        name: typeToLabel(ResourceKind.Project),
        selected: true,
        type: ResourceKind.Project
    }],
    render: item => renderType(item.kind),
    width: "125px"
}, {
    name: ProjectPanelColumnNames.Owner,
    selected: true,
    render: item => renderOwner(item.owner),
    width: "200px"
}, {
    name: ProjectPanelColumnNames.FileSize,
    selected: true,
    render: item => renderFileSize(item.fileSize),
    width: "50px"
}, {
    name: ProjectPanelColumnNames.LastModified,
    selected: true,
    sortDirection: SortDirection.None,
    render: item => renderDate(item.lastModified),
    width: "150px"
}];

const contextMenuActions = [[{
    icon: "fas fa-plus fa-fw",
    name: "New project"
}, {
    icon: "fas fa-users fa-fw",
    name: "Share"
}, {
    icon: "fas fa-sign-out-alt fa-fw",
    name: "Move to"
}, {
    icon: "fas fa-star fa-fw",
    name: "Add to favourite"
}, {
    icon: "fas fa-edit fa-fw",
    name: "Rename"
}, {
    icon: "fas fa-copy fa-fw",
    name: "Make a copy"
}, {
    icon: "fas fa-download fa-fw",
    name: "Download"
}], [{
    icon: "fas fa-trash-alt fa-fw",
    name: "Remove"
}
]];

export default withStyles(styles)(
    connect((state: RootState) => ({ currentItemId: state.projects.currentItemId }))(
        ProjectPanel));
