///
/// Copyright © 2016-2020 The Thingsboard Authors
///
/// Licensed under the Apache License, Version 2.0 (the "License");
/// you may not use this file except in compliance with the License.
/// You may obtain a copy of the License at
///
///     http://www.apache.org/licenses/LICENSE-2.0
///
/// Unless required by applicable law or agreed to in writing, software
/// distributed under the License is distributed on an "AS IS" BASIS,
/// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
/// See the License for the specific language governing permissions and
/// limitations under the License.
///

import { Injectable } from '@angular/core';

import { ActivatedRouteSnapshot, Resolve, Router } from '@angular/router';
import {
  CellActionDescriptor,
  checkBoxCell,
  DateEntityTableColumn,
  EntityTableColumn,
  EntityTableConfig,
  GroupActionDescriptor,
  HeaderActionDescriptor
} from '@home/models/entity/entities-table-config.models';
import { TranslateService } from '@ngx-translate/core';
import { DatePipe } from '@angular/common';
import { EntityType, entityTypeResources, entityTypeTranslations } from '@shared/models/entity-type.models';
import { EntityAction } from '@home/models/entity/entity-component.models';
import { forkJoin, Observable, of } from 'rxjs';
import { select, Store } from '@ngrx/store';
import { selectAuthUser } from '@core/auth/auth.selectors';
import { map, mergeMap, take, tap } from 'rxjs/operators';
import { AppState } from '@core/core.state';
import { Authority } from '@app/shared/models/authority.enum';
import { CustomerService } from '@core/http/customer.service';
import { Customer } from '@app/shared/models/customer.model';
import { NULL_UUID } from '@shared/models/id/has-uuid';
import { BroadcastService } from '@core/services/broadcast.service';
import { MatDialog } from '@angular/material/dialog';
import { DialogService } from '@core/services/dialog.service';
import {
  AssignToCustomerDialogComponent,
  AssignToCustomerDialogData
} from '@modules/home/dialogs/assign-to-customer-dialog.component';
import {
  AddEntitiesToCustomerDialogComponent,
  AddEntitiesToCustomerDialogData
} from '../../dialogs/add-entities-to-customer-dialog.component';
import { HomeDialogsService } from '@home/dialogs/home-dialogs.service';
import { Edge, EdgeInfo } from "@shared/models/edge.models";
import { EdgeService } from "@core/http/edge.service";
import { EdgeComponent } from "@home/pages/edge/edge.component";
import { EdgeTableHeaderComponent } from "@home/pages/edge/edge-table-header.component";
import { EdgeId } from "@shared/models/id/edge-id";
import { EdgeTabsComponent } from "@home/pages/edge/edge-tabs.component";

@Injectable()
export class EdgesTableConfigResolver implements Resolve<EntityTableConfig<EdgeInfo>> {

  private readonly config: EntityTableConfig<EdgeInfo> = new EntityTableConfig<EdgeInfo>();
  private customerId: string;

  constructor(private store: Store<AppState>,
              private broadcast: BroadcastService,
              private edgeService: EdgeService,
              private customerService: CustomerService,
              private dialogService: DialogService,
              private homeDialogs: HomeDialogsService,
              private translate: TranslateService,
              private datePipe: DatePipe,
              private router: Router,
              private dialog: MatDialog) {

    this.config.entityType = EntityType.EDGE;
    this.config.entityComponent = EdgeComponent;
    this.config.entityTabsComponent = EdgeTabsComponent;
    this.config.entityTranslations = entityTypeTranslations.get(EntityType.EDGE);
    this.config.entityResources = entityTypeResources.get(EntityType.EDGE);

    this.config.deleteEntityTitle = edge => this.translate.instant('edge.delete-edge-title', {edgeName: edge.name});
    this.config.deleteEntityContent = () => this.translate.instant('edge.delete-edge-text');
    this.config.deleteEntitiesTitle = count => this.translate.instant('edge.delete-edges-title', {count});
    this.config.deleteEntitiesContent = () => this.translate.instant('edge.delete-edges-text');

    this.config.loadEntity = id => this.edgeService.getEdgeInfo(id.id);
    this.config.saveEntity = edge => {
      return this.edgeService.saveEdge(edge).pipe(
        tap(() => {
          this.broadcast.broadcast('edgeSaved');
        }),
        mergeMap((savedEdge) => this.edgeService.getEdgeInfo(savedEdge.id.id)
        ));
    };
    this.config.onEntityAction = action => this.onEdgeAction(action);
    this.config.detailsReadonly = () => this.config.componentsData.edgeScope === 'customer_user';
    this.config.headerComponent = EdgeTableHeaderComponent;
  }

  resolve(route: ActivatedRouteSnapshot): Observable<EntityTableConfig<EdgeInfo>> {
    const routeParams = route.params;
    this.config.componentsData = {
      edgeScope: route.data.edgesType,
      edgeType: ''
    };
    this.customerId = routeParams.customerId;
    return this.store.pipe(select(selectAuthUser), take(1)).pipe(
      tap((authUser) => {
        if (authUser.authority === Authority.CUSTOMER_USER) {
          this.config.componentsData.edgeScope = 'customer_user';
          this.customerId = authUser.customerId;
        }
      }),
      mergeMap(() =>
        this.customerId ? this.customerService.getCustomer(this.customerId) : of(null as Customer)
      ),
      map((parentCustomer) => {
        if (parentCustomer) {
          if (parentCustomer.additionalInfo && parentCustomer.additionalInfo.isPublic) {
            this.config.tableTitle = this.translate.instant('customer.public-edges');
          } else {
            this.config.tableTitle = parentCustomer.title + ': ' + this.translate.instant('edge.edge-instances');
          }
        } else {
          this.config.tableTitle = this.translate.instant('edge.edge-instances');
        }
        this.config.columns = this.configureColumns(this.config.componentsData.edgeScope);
        this.configureEntityFunctions(this.config.componentsData.edgeScope);
        this.config.cellActionDescriptors = this.configureCellActions(this.config.componentsData.edgeScope);
        this.config.groupActionDescriptors = this.configureGroupActions(this.config.componentsData.edgeScope);
        this.config.addActionDescriptors = this.configureAddActions(this.config.componentsData.edgeScope);
        this.config.addEnabled = this.config.componentsData.edgeScope !== 'customer_user';
        this.config.entitiesDeleteEnabled = this.config.componentsData.edgeScope === 'tenant';
        this.config.deleteEnabled = () => this.config.componentsData.edgeScope === 'tenant';
        return this.config;
      })
    );
  }

  configureColumns(edgeScope: string): Array<EntityTableColumn<EdgeInfo>> {
    const columns: Array<EntityTableColumn<EdgeInfo>> = [
      new DateEntityTableColumn<EdgeInfo>('createdTime', 'common.created-time', this.datePipe, '150px'),
      new EntityTableColumn<EdgeInfo>('name', 'edge.name', '25%'),
      new EntityTableColumn<EdgeInfo>('type', 'edge.edge-type', '25%'),
      new EntityTableColumn<EdgeInfo>('label', 'edge.label', '25%')
    ];
    if (edgeScope === 'tenant') {
      columns.push(
        new EntityTableColumn<EdgeInfo>('customerTitle', 'customer.customer', '25%'),
        new EntityTableColumn<EdgeInfo>('customerIsPublic', 'edge.public', '60px',
          entity => {
            return checkBoxCell(entity.customerIsPublic);
          }, () => ({}), false)
      );
    }
    return columns;
  }

  configureEntityFunctions(edgeScope: string): void {
    if (edgeScope === 'tenant') {
      this.config.entitiesFetchFunction = pageLink =>
        this.edgeService.getTenantEdgeInfos(pageLink, this.config.componentsData.edgeType);
      this.config.deleteEntity = id => this.edgeService.deleteEdge(id.id);
    }
    if (edgeScope === 'customer') {
      this.config.entitiesFetchFunction = pageLink =>
        this.edgeService.getCustomerEdgeInfos(this.customerId, pageLink, this.config.componentsData.edgeType);
      this.config.deleteEntity = id => this.edgeService.unassignEdgeFromCustomer(id.id);
    }
    if (edgeScope === 'customer_user') {
      this.config.entitiesFetchFunction = pageLink =>
        this.edgeService.getCustomerEdgeInfos(this.customerId, pageLink);
      this.config.deleteEntity = id => this.edgeService.unassignEdgeFromCustomer(id.id);
    }
  }

  configureCellActions(edgeScope: string): Array<CellActionDescriptor<EdgeInfo>> {
    const actions: Array<CellActionDescriptor<EdgeInfo>> = [];
    if (edgeScope === 'tenant') {
      actions.push(
        {
           name: this.translate.instant('edge.make-public'),
           icon: 'share',
           isEnabled: (entity) => (!entity.customerId || entity.customerId.id === NULL_UUID),
           onAction: ($event, entity) => this.makePublic($event, entity)
        },
        {
          name: this.translate.instant('edge.assign-to-customer'),
          icon: 'assignment_ind',
          isEnabled: (entity) => (!entity.customerId || entity.customerId.id === NULL_UUID),
          onAction: ($event, entity) => this.assignToCustomer($event, [entity.id])
        },
        {
          name: this.translate.instant('edge.unassign-from-customer'),
          icon: 'assignment_return',
          isEnabled: (entity) => (entity.customerId && entity.customerId.id !== NULL_UUID && !entity.customerIsPublic),
          onAction: ($event, entity) => this.unassignFromCustomer($event, entity)
        },
        {
          name: this.translate.instant('edge.make-private'),
          icon: 'reply',
          isEnabled: (entity) => (entity.customerId && entity.customerId.id !== NULL_UUID && entity.customerIsPublic),
          onAction: ($event, entity) => this.unassignFromCustomer($event, entity)
        },
        {
          name: this.translate.instant('edge.manage-edge-assets'),
          icon: 'domain',
          isEnabled: (entity) => true,
          onAction: ($event, entity) => this.openEdgeAssets($event, entity)
        },
        {
          name: this.translate.instant('edge.manage-edge-devices'),
          icon: 'devices_other',
          isEnabled: (entity) => true,
          onAction: ($event, entity) => this.openEdgeDevices($event, entity)
        },
        {
          name: this.translate.instant('edge.manage-edge-entity-views'),
          icon: 'view_quilt',
          isEnabled: (entity) => true,
          onAction: ($event, entity) => this.openEdgeEntityViews($event, entity)
        },
        {
          name: this.translate.instant('edge.manage-edge-dashboards'),
          icon: 'dashboard',
          isEnabled: (entity) => true,
          onAction: ($event, entity) => this.openEdgeDashboards($event, entity)
        },
        {
          name: this.translate.instant('edge.manage-edge-rulechains'),
          icon: 'settings_ethernet',
          isEnabled: (entity) => true,
          onAction: ($event, entity) => this.openEdgeRuleChains($event, entity)
        }
      );
    }
    if (edgeScope === 'customer') {
      actions.push(
        {
          name: this.translate.instant('edge.unassign-from-customer'),
          icon: 'assignment_return',
          isEnabled: (entity) => (entity.customerId && entity.customerId.id !== NULL_UUID && !entity.customerIsPublic),
          onAction: ($event, entity) => this.unassignFromCustomer($event, entity)
        },
        {
          name: this.translate.instant('edge.make-private'),
          icon: 'reply',
          isEnabled: (entity) => (entity.customerId && entity.customerId.id !== NULL_UUID && entity.customerIsPublic),
          onAction: ($event, entity) => this.unassignFromCustomer($event, entity)
        },
      );
    }
    return actions;
  }

  configureGroupActions(edgeScope: string): Array<GroupActionDescriptor<EdgeInfo>> {
    const actions: Array<GroupActionDescriptor<EdgeInfo>> = [];
    if (edgeScope === 'tenant') {
      actions.push(
        {
          name: this.translate.instant('edge.assign-edge-to-customer-text'),
          icon: 'assignment_ind',
          isEnabled: true,
          onAction: ($event, entities) => this.assignToCustomer($event, entities.map((entity) => entity.id))
        }
      );
    }
    if (edgeScope === 'customer') {
      actions.push(
        {
          name: this.translate.instant('edge.unassign-from-customer'),
          icon: 'assignment_return',
          isEnabled: true,
          onAction: ($event, entities) => this.unassignEdgesFromCustomer($event, entities)
        }
      );
    }
    return actions;
  }

  configureAddActions(edgeScope: string): Array<HeaderActionDescriptor> {
    const actions: Array<HeaderActionDescriptor> = [];
    if (edgeScope === 'tenant') {
      actions.push(
        {
          name: this.translate.instant('edge.add-edge-text'),
          icon: 'insert_drive_file',
          isEnabled: () => true,
          onAction: ($event) => this.config.table.addEntity($event)
        },
        {
          name: this.translate.instant('edge.import'),
          icon: 'file_upload',
          isEnabled: () => true,
          onAction: ($event) => this.importEdges($event)
        }
      );
    }
    if (edgeScope === 'customer') {
      actions.push(
        {
          name: this.translate.instant('edge.assign-new-edge'),
          icon: 'add',
          isEnabled: () => true,
          onAction: ($event) => this.addEdgesToCustomer($event)
        }
      );
    }
    return actions;
  }

  importEdges($event: Event) {
    this.homeDialogs.importEntities(EntityType.EDGE).subscribe((res) => {
      if (res) {
        this.broadcast.broadcast('edgeSaved');
        this.config.table.updateData();
      }
    });
  }

  addEdgesToCustomer($event: Event) {
    if ($event) {
      $event.stopPropagation();
    }
    this.dialog.open<AddEntitiesToCustomerDialogComponent, AddEntitiesToCustomerDialogData,
      boolean>(AddEntitiesToCustomerDialogComponent, {
      disableClose: true,
      panelClass: ['tb-dialog', 'tb-fullscreen-dialog'],
      data: {
        customerId: this.customerId,
        entityType: EntityType.EDGE
      }
    }).afterClosed()
      .subscribe((res) => {
        if (res) {
          this.config.table.updateData();
        }
      });
  }

  makePublic($event: Event, edge: Edge) {
    if ($event) {
      $event.stopPropagation();
    }
    this.dialogService.confirm(
      this.translate.instant('edge.make-public-edge-title', {edgeName: edge.name}),
      this.translate.instant('edge.make-public-edge-text'),
      this.translate.instant('action.no'),
      this.translate.instant('action.yes'),
      true
    ).subscribe((res) => {
        if (res) {
          this.edgeService.makeEdgePublic(edge.id.id).subscribe(
            () => {
              this.config.table.updateData();
            }
          );
        }
      }
    );
  }

  openEdgeDashboards($event, edge) {
    if ($event) {
      $event.stopPropagation();
    }
    this.router.navigateByUrl(`edges/${edge.id.id}/dashboards`);
  }

  openEdgeRuleChains($event, edge) {
    if ($event) {
      $event.stopPropagation();
    }
    this.router.navigateByUrl(`edges/${edge.id.id}/ruleChains`);
  }

  openEdgeAssets($event: Event, edge: Edge) {
    if ($event) {
      $event.stopPropagation();
    }
    this.router.navigateByUrl(`edges/${edge.id.id}/assets`);
  }

  openEdgeDevices($event, edge) {
    if ($event) {
      $event.stopPropagation();
    }
    this.router.navigateByUrl(`edges/${edge.id.id}/devices`);
  }

  openEdgeEntityViews($event, edge) {
    if ($event) {
      $event.stopPropagation();
    }
    this.router.navigateByUrl(`edges/${edge.id.id}/entityViews`);
  }

  assignToCustomer($event: Event, edgesIds: Array<EdgeId>) {
    if ($event) {
      $event.stopPropagation();
    }
    this.dialog.open<AssignToCustomerDialogComponent, AssignToCustomerDialogData,
      boolean>(AssignToCustomerDialogComponent, {
      disableClose: true,
      panelClass: ['tb-dialog', 'tb-fullscreen-dialog'],
      data: {
        entityIds: edgesIds,
        entityType: EntityType.EDGE
      }
    }).afterClosed()
      .subscribe((res) => {
        if (res) {
          this.config.table.updateData();
        }
      });
  }

  unassignFromCustomer($event: Event, edge: EdgeInfo) {
    if ($event) {
      $event.stopPropagation();
    }
    const isPublic = edge.customerIsPublic;
    let title;
    let content;
    if (isPublic) {
      title = this.translate.instant('edge.make-private-edge-title', {edgeName: edge.name});
      content = this.translate.instant('edge.make-private-edge-text');
    } else {
      title = this.translate.instant('edge.unassign-edge-title', {edgeName: edge.name});
      content = this.translate.instant('edge.unassign-edge-text');
    }
    this.dialogService.confirm(
      title,
      content,
      this.translate.instant('action.no'),
      this.translate.instant('action.yes'),
      true
    ).subscribe((res) => {
        if (res) {
          this.edgeService.unassignEdgeFromCustomer(edge.id.id).subscribe(
            () => {
              this.config.table.updateData();
            }
          );
        }
      }
    );
  }

  unassignEdgesFromCustomer($event: Event, edges: Array<EdgeInfo>) {
    if ($event) {
      $event.stopPropagation();
    }
    this.dialogService.confirm(
      this.translate.instant('edge.unassign-edge-title', {count: edges.length}),
      this.translate.instant('edge.unassign-edge-text'),
      this.translate.instant('action.no'),
      this.translate.instant('action.yes'),
      true
    ).subscribe((res) => {
        if (res) {
          const tasks: Observable<any>[] = [];
          edges.forEach(
            (edge) => {
              tasks.push(this.edgeService.unassignEdgeFromCustomer(edge.id.id));
            }
          );
          forkJoin(tasks).subscribe(
            () => {
              this.config.table.updateData();
            }
          );
        }
      }
    );
  }

  onEdgeAction(action: EntityAction<EdgeInfo>): boolean {
  switch (action.action) {
    case 'makePublic':
      this.makePublic(action.event, action.entity);
    return true;
    case 'assignToCustomer':
      this.assignToCustomer(action.event, [action.entity.id]);
    return true;
    case 'unassignFromCustomer':
      this.unassignFromCustomer(action.event, action.entity);
    return true;
    case 'openEdgeAssets':
      this.openEdgeAssets(action.event, action.entity);
    return true;
    case 'openEdgeDevices':
      this.openEdgeDevices(action.event, action.entity);
    return true;
    case 'openEdgeEntityViews':
      this.openEdgeEntityViews(action.event, action.entity);
    return true;
    case 'openEdgeDashboards':
      this.openEdgeDashboards(action.event, action.entity);
    return true;
    case 'openEdgeRuleChains':
      this.openEdgeRuleChains(action.event, action.entity);
    return true;
    }
  }

}