import { Component, OnInit, ElementRef, ViewChild } from '@angular/core';
import { compact } from 'lodash';
import { getCols, getRows, createPsd, savePsd, drawPsd } from '../sheetExport';
import { loadAndInitSpriteSheets } from '../../../client/spriteUtils';
import { saveCanvas } from '../../../client/canvasUtils';
import { faHome, faSync, faFileImage } from '../../../client/icons';
import { StorageService } from '../../services/storageService';
import { at } from '../../../common/utils';
import { sheets, Sheet } from '../../../common/sheets';

@Component({
  selector: 'tools-sheet',
  templateUrl: 'tools-sheet.pug',
  styleUrls: ['tools-sheet.scss'],
})
export class ToolsSheet implements OnInit {
  readonly homeIcon = faHome;
  readonly syncIcon = faSync;
  readonly imageIcon = faFileImage;
  @ViewChild('canvas', { static: true }) canvas!: ElementRef;
  sheets = sheets;
  sheet = sheets[0] as Sheet;
  scale = 2;
  rows = 1;
  cols = 1;
  pattern = -1;
  constructor(private storage: StorageService) {
    const sheet = at(this.sheets, storage.getInt('tools-sheet-sheet'))!;

    if ('name' in sheet) {
      this.setSheet(sheet);
    }
  }
  ngOnInit() {
    loadAndInitSpriteSheets()
      .then(() => this.redraw());
  }
  setSheet(sheet: Sheet) {
    sheet = sheet.spacer ? this.sheets[0] as Sheet : sheet;
    this.sheet = sheet;
    this.cols = getCols(sheet);
    this.rows = getRows(sheet);
    this.redraw();
    this.storage.setInt('tools-sheet-sheet', this.sheets.indexOf(sheet));
  }
  png() {
    this.redraw();
    saveCanvas(this.canvas.nativeElement, 'sheet.png');
  }
  psd() {
    const psd = createPsd(this.sheet, this.rows, this.cols);
    psd.canvas = drawPsd(psd, 1);
    savePsd(psd, `${this.sheet.file}.psd`);
  }
  allPSDs() {
    this.sheets
      .filter(x => 'name' in x && !!x.file)
      .map(x => x as Sheet)
      .forEach(sheet => {
        const rows = getRows(sheet);
        const cols = getCols(sheet);
        const psd = createPsd(sheet, rows, cols);
        psd.canvas = drawPsd(psd, 1);
        savePsd(psd, `${sheet.file}.psd`);
      });
  }
  redraw() {
    if (this.canvas) {
      const psd = createPsd(this.sheet, this.rows, this.cols);
      const layers = compact(psd.children!.map(c => c.children));
      const patterns = compact(layers.map(xs => xs.find(x => x.name === `pattern ${this.pattern}`)));
      patterns.forEach(x => x.hidden = false);
      drawPsd(psd, this.scale, this.canvas.nativeElement);
    }
  }
}