import { Component, OnInit } from '@angular/core';
import {StateService} from '../state.service';

@Component({
  selector: 'app-labeling-window',
  templateUrl: './labeling-window.component.html',
  styleUrls: ['./labeling-window.component.css']
})
export class LabelingWindowComponent implements OnInit {
  public topk: number[];
  public subplots = [];
  public labels: boolean[] = [];
  private k = 12;

  constructor(private state: StateService) { }

  ngOnInit(): void {
    this.state.onNewTable.subscribe(() => this.showSamples());
  }

  async train() {
    this.state.labels = Object.assign({}, this.state.labels, this.labels);
    await this.state.getQueryWindow(this.state.labels);
    await this.state.update();
  }

  async updateQuery() {
    this.state.labels = Object.assign({}, this.state.labels, this.labels);
    await this.state.getQueryWindow(this.state.labels);
  }

  public labelCorrect(index: number) {
    this.labels[index] = true;
  }

  public labelUndefined(index: number) {
    if (this.labels[index] !== undefined) {
      delete this.labels[index];
    }
  }

  public labelIncorrect(index: number) {
    this.labels[index] = false;
  }

  async showSamples() {
    this.topk = this.state.lshData.candidates.slice(0, this.k);
    this.subplots = [];
    const values = await this.state.getWindow(this.topk);
    this.topk.forEach((index, i) => {
      this.subplots.push(
        {
          index,
          data: [{
            x: [...Array(values[i].length).keys()],
            y: values[i],
            type: 'line'
          }],
          layout: {
            title: `Index: ${index.toString()}`,
            hovermode: 'closest',
            autosize: true,
            margin: {
              l: 30,
              r: 30,
              t: 30,
              b: 0,
              pad: 4
            },
            height: 150,
            width: 300,
            titlefont: {
              size: 9
            },
            xaxis: {
              showgrid: false,
              zeroline: false,
              showticklabels: false,
            },
            yaxis: {
              zeroline: false,
              showticklabels: false,
            }
          }
        }
      );
    });
  }

  public get show() {
    return !!this.state.lshData;
  }
}