'use strict';

Object.defineProperty(exports, '__esModule', { value: true });

var util = require('../../../../../zrender@6.0.0/node_modules/zrender/lib/core/util.js');
require('../util/graphic.js');
var tokens = require('../visual/tokens.js');
var Group = require('../../../../../zrender@6.0.0/node_modules/zrender/lib/graphic/Group.js');
var Rect = require('../../../../../zrender@6.0.0/node_modules/zrender/lib/graphic/shape/Rect.js');
var Text = require('../../../../../zrender@6.0.0/node_modules/zrender/lib/graphic/Text.js');
var Arc = require('../../../../../zrender@6.0.0/node_modules/zrender/lib/graphic/shape/Arc.js');

var PI = Math.PI;
/**
 * @param {module:echarts/ExtensionAPI} api
 * @param {Object} [opts]
 * @param {string} [opts.text]
 * @param {string} [opts.color]
 * @param {string} [opts.textColor]
 * @return {module:zrender/Element}
 */
function defaultLoading(api, opts) {
  opts = opts || {};
  util.defaults(opts, {
    text: 'loading',
    textColor: tokens.default.color.primary,
    fontSize: 12,
    fontWeight: 'normal',
    fontStyle: 'normal',
    fontFamily: 'sans-serif',
    maskColor: 'rgba(255,255,255,0.8)',
    showSpinner: true,
    color: tokens.default.color.theme[0],
    spinnerRadius: 10,
    lineWidth: 5,
    zlevel: 0
  });
  var group = new Group.default();
  var mask = new Rect.default({
    style: {
      fill: opts.maskColor
    },
    zlevel: opts.zlevel,
    z: 10000
  });
  group.add(mask);
  var textContent = new Text.default({
    style: {
      text: opts.text,
      fill: opts.textColor,
      fontSize: opts.fontSize,
      fontWeight: opts.fontWeight,
      fontStyle: opts.fontStyle,
      fontFamily: opts.fontFamily
    },
    zlevel: opts.zlevel,
    z: 10001
  });
  var labelRect = new Rect.default({
    style: {
      fill: 'none'
    },
    textContent: textContent,
    textConfig: {
      position: 'right',
      distance: 10
    },
    zlevel: opts.zlevel,
    z: 10001
  });
  group.add(labelRect);
  var arc;
  if (opts.showSpinner) {
    arc = new Arc.default({
      shape: {
        startAngle: -PI / 2,
        endAngle: -PI / 2 + 0.1,
        r: opts.spinnerRadius
      },
      style: {
        stroke: opts.color,
        lineCap: 'round',
        lineWidth: opts.lineWidth
      },
      zlevel: opts.zlevel,
      z: 10001
    });
    arc.animateShape(true).when(1000, {
      endAngle: PI * 3 / 2
    }).start('circularInOut');
    arc.animateShape(true).when(1000, {
      startAngle: PI * 3 / 2
    }).delay(300).start('circularInOut');
    group.add(arc);
  }
  // Inject resize
  group.resize = function () {
    var textWidth = textContent.getBoundingRect().width;
    var r = opts.showSpinner ? opts.spinnerRadius : 0;
    // cx = (containerWidth - arcDiameter - textDistance - textWidth) / 2
    // textDistance needs to be calculated when both animation and text exist
    var cx = (api.getWidth() - r * 2 - (opts.showSpinner && textWidth ? 10 : 0) - textWidth) / 2 - (opts.showSpinner && textWidth ? 0 : 5 + textWidth / 2)
    // only show the text
    + (opts.showSpinner ? 0 : textWidth / 2)
    // only show the spinner
    + (textWidth ? 0 : r);
    var cy = api.getHeight() / 2;
    opts.showSpinner && arc.setShape({
      cx: cx,
      cy: cy
    });
    labelRect.setShape({
      x: cx - r,
      y: cy - r,
      width: r * 2,
      height: r * 2
    });
    mask.setShape({
      x: 0,
      y: 0,
      width: api.getWidth(),
      height: api.getHeight()
    });
  };
  group.resize();
  return group;
}

exports.default = defaultLoading;
