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

import React from 'react';
import { connect } from 'react-redux';

import { DataExplorer } from "views-components/data-explorer/data-explorer";
import { DataColumns } from 'components/data-table/data-table';
import { ResourceLinkHeadUuid, ResourceLinkTailUsername, ResourceLinkHeadPermissionLevel, ResourceLinkTailPermissionLevel, ResourceLinkHead, ResourceLinkTail, ResourceLinkDelete, ResourceLinkTailIsActive, ResourceLinkTailIsVisible } from 'views-components/data-explorer/renderers';
import { createTree } from 'models/tree';
import { noop } from 'lodash/fp';
import { RootState } from 'store/store';
import { GROUP_DETAILS_MEMBERS_PANEL_ID, GROUP_DETAILS_PERMISSIONS_PANEL_ID, openAddGroupMembersDialog, getCurrentGroupDetailsPanelUuid } from 'store/group-details-panel/group-details-panel-actions';
import { openContextMenu } from 'store/context-menu/context-menu-actions';
import { ResourcesState, getResource } from 'store/resources/resources';
import { Grid, Button, Tabs, Tab, Paper, WithStyles, withStyles, StyleRulesCallback } from '@material-ui/core';
import { AddIcon } from 'components/icon/icon';
import { getUserUuid } from 'common/getuser';
import { GroupResource, isBuiltinGroup } from 'models/group';
import { ArvadosTheme } from 'common/custom-theme';

type CssRules = "root";

const styles: StyleRulesCallback<CssRules> = (theme: ArvadosTheme) => ({
    root: {
        width: '100%',
    }
});

export enum GroupDetailsPanelMembersColumnNames {
    FULL_NAME = "Name",
    USERNAME = "Username",
    ACTIVE = "User Active",
    VISIBLE = "Visible to other members",
    PERMISSION = "Permission",
    REMOVE = "Remove",
}

export enum GroupDetailsPanelPermissionsColumnNames {
    NAME = "Name",
    PERMISSION = "Permission",
    UUID = "UUID",
    REMOVE = "Remove",
}

export const groupDetailsMembersPanelColumns: DataColumns<string> = [
    {
        name: GroupDetailsPanelMembersColumnNames.FULL_NAME,
        selected: true,
        configurable: true,
        filters: createTree(),
        render: uuid => <ResourceLinkTail uuid={uuid} />
    },
    {
        name: GroupDetailsPanelMembersColumnNames.USERNAME,
        selected: true,
        configurable: true,
        filters: createTree(),
        render: uuid => <ResourceLinkTailUsername uuid={uuid} />
    },
    {
        name: GroupDetailsPanelMembersColumnNames.ACTIVE,
        selected: true,
        configurable: true,
        filters: createTree(),
        render: uuid => <ResourceLinkTailIsActive uuid={uuid} disabled={true} />
    },
    {
        name: GroupDetailsPanelMembersColumnNames.VISIBLE,
        selected: true,
        configurable: true,
        filters: createTree(),
        render: uuid => <ResourceLinkTailIsVisible uuid={uuid} />
    },
    {
        name: GroupDetailsPanelMembersColumnNames.PERMISSION,
        selected: true,
        configurable: true,
        filters: createTree(),
        render: uuid => <ResourceLinkTailPermissionLevel uuid={uuid} />
    },
    {
        name: GroupDetailsPanelMembersColumnNames.REMOVE,
        selected: true,
        configurable: true,
        filters: createTree(),
        render: uuid => <ResourceLinkDelete uuid={uuid} />
    },
];

export const groupDetailsPermissionsPanelColumns: DataColumns<string> = [
    {
        name: GroupDetailsPanelPermissionsColumnNames.NAME,
        selected: true,
        configurable: true,
        filters: createTree(),
        render: uuid => <ResourceLinkHead uuid={uuid} />
    },
    {
        name: GroupDetailsPanelPermissionsColumnNames.PERMISSION,
        selected: true,
        configurable: true,
        filters: createTree(),
        render: uuid => <ResourceLinkHeadPermissionLevel uuid={uuid} />
    },
    {
        name: GroupDetailsPanelPermissionsColumnNames.UUID,
        selected: true,
        configurable: true,
        filters: createTree(),
        render: uuid => <ResourceLinkHeadUuid uuid={uuid} />
    },
    {
        name: GroupDetailsPanelPermissionsColumnNames.REMOVE,
        selected: true,
        configurable: true,
        filters: createTree(),
        render: uuid => <ResourceLinkDelete uuid={uuid} />
    },
];

const mapStateToProps = (state: RootState) => {
    const groupUuid = getCurrentGroupDetailsPanelUuid(state.properties);
    const group = getResource<GroupResource>(groupUuid || '')(state.resources);
    const userUuid = getUserUuid(state);

    return {
        resources: state.resources,
        groupCanManage: userUuid && !isBuiltinGroup(group?.uuid || '')
                            ? group?.writableBy?.includes(userUuid)
                            : false,
    };
};

const mapDispatchToProps = {
    onContextMenu: openContextMenu,
    onAddUser: openAddGroupMembersDialog,
};

export interface GroupDetailsPanelProps {
    onContextMenu: (event: React.MouseEvent<HTMLElement>, item: any) => void;
    onAddUser: () => void;
    resources: ResourcesState;
    groupCanManage: boolean;
}

export const GroupDetailsPanel = withStyles(styles)(connect(
    mapStateToProps, mapDispatchToProps
)(
    class GroupDetailsPanel extends React.Component<GroupDetailsPanelProps & WithStyles<CssRules>> {
        state = {
          value: 0,
        };

        componentDidMount() {
            this.setState({ value: 0 });
        }

        render() {
            const { value } = this.state;
            return (
                <Paper className={this.props.classes.root}>
                  <Tabs value={value} onChange={this.handleChange} variant="fullWidth">
                      <Tab data-cy="group-details-members-tab" label="MEMBERS" />
                      <Tab data-cy="group-details-permissions-tab" label="PERMISSIONS" />
                  </Tabs>
                  {value === 0 &&
                      <DataExplorer
                          id={GROUP_DETAILS_MEMBERS_PANEL_ID}
                          data-cy="group-members-data-explorer"
                          onRowClick={noop}
                          onRowDoubleClick={noop}
                          onContextMenu={noop}
                          contextMenuColumn={false}
                          hideColumnSelector
                          hideSearchInput
                          actions={
                                this.props.groupCanManage &&
                                <Grid container justify='flex-end'>
                                    <Button
                                      data-cy="group-member-add"
                                      variant="contained"
                                      color="primary"
                                      onClick={this.props.onAddUser}>
                                      <AddIcon /> Add user
                                    </Button>
                                </Grid>
                          }
                          paperProps={{
                              elevation: 0,
                          }} />
                  }
                  {value === 1 &&
                      <DataExplorer
                          id={GROUP_DETAILS_PERMISSIONS_PANEL_ID}
                          data-cy="group-permissions-data-explorer"
                          onRowClick={noop}
                          onRowDoubleClick={noop}
                          onContextMenu={noop}
                          contextMenuColumn={false}
                          hideColumnSelector
                          hideSearchInput
                          paperProps={{
                              elevation: 0,
                          }} />
                  }
                </Paper>
            );
        }

        handleChange = (event: React.MouseEvent<HTMLElement>, value: number) => {
            this.setState({ value });
        }
    }));