import { columnsText, fontSize as fs, AlginType, FontSize, getLength } from './print_common';
import HardwareKit from 'qm-hardwarekit';
let Purong = HardwareKit.Purong;

const PAGE_ROW_SIZE: number = 44;

function startPrint(_: any) {
  return new Promise<any>(async resolve => {
    if (Purong) {
      await Purong.create();
      await Purong.setLineSpace(5);
    }
    resolve(null);
  });
}

function printText(text: String, fontSize: FontSize = 'middle', algin: AlginType = 0) {
  if (!Purong) return;
  fontSize = typeof fontSize === 'number' ? fontSize : fs(fontSize);

  return new Promise<any>(async resolve => {
    switch (algin) {
      case 0:
        await Purong.printAlignLeft();
        break;
      case 1:
        await Purong.printAlignCenter();
        break;
      case 2:
        await Purong.printAlignRight();
        break;
    }
    await Purong.printText(text);
    resolve(null);
  });
}

function printlnText(text: String, fontSize: FontSize = 'middle', algin: AlginType = 0) {
  return printText(text + '\n', fontSize, algin);
}

function printColumnsText(
  texts: Array<string>,
  weights: Array<number>,
  algins: Array<AlginType>,
  zoom: boolean = true,
) {
  return new Promise<any>(async resolve => {
    if (Purong) await Purong.reset();
    let cos = columnsText(texts, weights, algins, PAGE_ROW_SIZE, zoom);
    for (let text of cos) {
      await printlnText(text);
    }
    resolve(null);
  });
}

const printQrCode = text => {
  if (Purong) Purong.printQrCode(text);
};

const printBarCode = text => {
  return new Promise<any>(async resolve => {
    if (Purong) await Purong.printBarCode(text);
    resolve(null);
  });
};

const line = () => {
  var l = '';
  for (var i = 0; i < PAGE_ROW_SIZE; ++i) {
    l += '-';
  }
  return new Promise<any>(async resolve => {
    if (Purong) await Purong.printlnText(l);
    resolve(null);
  });
};

const lineWrap = (nums: number) => {
  return new Promise<any>(async resolve => {
    if (Purong) {
      await Purong.lineWrap(nums);
    }
    resolve(null);
  });
};

const endPrint = () => {
  return new Promise<any>(async resolve => {
    lineWrap(5);
    if (Purong) {
      await Purong.cut();

      //打印完成还原
      await Purong.reset();
      await Purong.clean();
    }
    resolve(null);
  });
};

export { printText, printlnText, printQrCode, printBarCode, printColumnsText, lineWrap, line, startPrint, endPrint };