import { Component, ChangeDetectionStrategy, ChangeDetectorRef, TemplateRef, ViewChild } from '@angular/core';
import { STComponent, STColumn, STData, STChange } from '@delon/abc/st';
import { _HttpClient } from '@delon/theme';
import { NzSafeAny } from 'ng-zorro-antd/core/types';
import { NzMessageService } from 'ng-zorro-antd/message';
import { NzModalService } from 'ng-zorro-antd/modal';
import { map, tap } from 'rxjs/operators';

@Component({
  selector: 'app-dashboard',
  templateUrl: './dashboard.component.html',
  styleUrls: ['./dashboard.component.less'],
  changeDetection: ChangeDetectionStrategy.OnPush
})
export class DashboardComponent {
  q: {
    pi: number;
    ps: number;
    no: string;
    sorter: string;
    status: number | null;
    statusList: NzSafeAny[];
  } = {
    pi: 1,
    ps: 10,
    no: '',
    sorter: '',
    status: null,
    statusList: []
  };
  data: any[] = [];
  loading = false;
  status = [
    { index: 0, text: '关闭', value: false, type: 'default', checked: false },
    {
      index: 1,
      text: '运行中',
      value: false,
      type: 'processing',
      checked: false
    },
    { index: 2, text: '已上线', value: false, type: 'success', checked: false },
    { index: 3, text: '异常', value: false, type: 'error', checked: false }
  ];
  @ViewChild('st', { static: true })
  st!: STComponent;
  columns: STColumn[] = [
    { title: '', index: 'key', type: 'checkbox' },
    { title: '规则编号', index: 'no' },
    { title: '描述', index: 'description' },
    {
      title: '服务调用次数',
      index: 'callNo',
      type: 'number',
      format: item => `${item.callNo} 万`,
      sort: {
        compare: (a, b) => a.callNo - b.callNo
      }
    },
    {
      title: '状态',
      index: 'status',
      render: 'status',
      filter: {
        menus: this.status,
        fn: (filter, record) => record.status === filter.index
      }
    },
    {
      title: '更新时间',
      index: 'updatedAt',
      type: 'date',
      sort: {
        compare: (a, b) => a.updatedAt - b.updatedAt
      }
    },
    {
      title: '操作',
      buttons: [
        {
          text: '配置',
          click: item => this.msg.success(`配置${item.no}`)
        },
        {
          text: '订阅警报',
          click: item => this.msg.success(`订阅警报${item.no}`)
        }
      ]
    }
  ];
  selectedRows: STData[] = [];
  description = '';
  totalCallNo = 0;
  expandForm = false;

  constructor(private http: _HttpClient, public msg: NzMessageService, private modalSrv: NzModalService, private cdr: ChangeDetectorRef) {}

  ngOnInit(): void {
    this.getData();
  }

  getData(): void {
    this.loading = true;
    this.q.statusList = this.status.filter(w => w.checked).map(item => item.index);
    if (this.q.status !== null && this.q.status > -1) {
      this.q.statusList.push(this.q.status);
    }
    this.http
      .get('/rule?_allow_anonymous=true', this.q)
      .pipe(
        map((list: Array<{ status: number; statusText: string; statusType: string }>) =>
          list.map(i => {
            const statusItem = this.status[i.status];
            i.statusText = statusItem.text;
            i.statusType = statusItem.type;
            return i;
          })
        ),
        tap(() => (this.loading = false))
      )
      .subscribe(res => {
        this.data = res;
        this.cdr.detectChanges();
      });
  }

  stChange(e: STChange): void {
    switch (e.type) {
      case 'checkbox':
        this.selectedRows = e.checkbox!;
        this.totalCallNo = this.selectedRows.reduce((total, cv) => total + cv.callNo, 0);
        this.cdr.detectChanges();
        break;
      case 'filter':
        this.getData();
        break;
    }
  }

  remove(): void {
    this.http.delete('/rule', { nos: this.selectedRows.map(i => i.no).join(',') }).subscribe(() => {
      this.getData();
      this.st.clearCheck();
    });
  }

  approval(): void {
    this.msg.success(`审批了 ${this.selectedRows.length} 笔`);
  }

  add(tpl: TemplateRef<{}>): void {
    this.modalSrv.create({
      nzTitle: '新建规则',
      nzContent: tpl,
      nzOnOk: () => {
        this.loading = true;
        this.http.post('/rule', { description: this.description }).subscribe(() => this.getData());
      }
    });
  }

  reset(): void {
    // wait form reset updated finished
    setTimeout(() => this.getData());
  }
}