import {
  extendPrototype,
} from '../../utils/functionExtensions';
import {
  createSizedArray,
} from '../../utils/helpers/arrays';
import createNS from '../../utils/helpers/svg_elements';
import createTag from '../../utils/helpers/html_elements';
import BaseElement from '../BaseElement';
import TransformElement from '../helpers/TransformElement';
import HierarchyElement from '../helpers/HierarchyElement';
import FrameElement from '../helpers/FrameElement';
import RenderableDOMElement from '../helpers/RenderableDOMElement';
import ITextElement from '../TextElement';
import HBaseElement from './HBaseElement';
import {
  lineCapEnum,
  lineJoinEnum,
} from '../../utils/helpers/shapeEnums';
import {
  styleDiv,
} from '../../utils/common';

function HTextElement(data, globalData, comp) {
  this.textSpans = [];
  this.textPaths = [];
  this.currentBBox = {
    x: 999999,
    y: -999999,
    h: 0,
    w: 0,
  };
  this.renderType = 'svg';
  this.isMasked = false;
  this.initElement(data, globalData, comp);
}
extendPrototype([BaseElement, TransformElement, HBaseElement, HierarchyElement, FrameElement, RenderableDOMElement, ITextElement], HTextElement);

HTextElement.prototype.createContent = function () {
  this.isMasked = this.checkMasks();
  if (this.isMasked) {
    this.renderType = 'svg';
    this.compW = this.comp.data.w;
    this.compH = this.comp.data.h;
    this.svgElement.setAttribute('width', this.compW);
    this.svgElement.setAttribute('height', this.compH);
    var g = createNS('g');
    this.maskedElement.appendChild(g);
    this.innerElem = g;
  } else {
    this.renderType = 'html';
    this.innerElem = this.layerElement;
  }

  this.checkParenting();
};

HTextElement.prototype.buildNewText = function () {
  var documentData = this.textProperty.currentData;
  this.renderedLetters = createSizedArray(documentData.l ? documentData.l.length : 0);
  var innerElemStyle = this.innerElem.style;
  var textColor = documentData.fc ? this.buildColor(documentData.fc) : 'rgba(0,0,0,0)';
  innerElemStyle.fill = textColor;
  innerElemStyle.color = textColor;
  if (documentData.sc) {
    innerElemStyle.stroke = this.buildColor(documentData.sc);
    innerElemStyle.strokeWidth = documentData.sw + 'px';
  }
  var fontData = this.globalData.fontManager.getFontByName(documentData.f);
  if (!this.globalData.fontManager.chars) {
    innerElemStyle.fontSize = documentData.finalSize + 'px';
    innerElemStyle.lineHeight = documentData.finalSize + 'px';
    if (fontData.fClass) {
      this.innerElem.className = fontData.fClass;
    } else {
      innerElemStyle.fontFamily = fontData.fFamily;
      var fWeight = documentData.fWeight;
      var fStyle = documentData.fStyle;
      innerElemStyle.fontStyle = fStyle;
      innerElemStyle.fontWeight = fWeight;
    }
  }
  var i;
  var len;

  var letters = documentData.l;
  len = letters.length;
  var tSpan;
  var tParent;
  var tCont;
  var matrixHelper = this.mHelper;
  var shapes;
  var shapeStr = '';
  var cnt = 0;
  for (i = 0; i < len; i += 1) {
    if (this.globalData.fontManager.chars) {
      if (!this.textPaths[cnt]) {
        tSpan = createNS('path');
        tSpan.setAttribute('stroke-linecap', lineCapEnum[1]);
        tSpan.setAttribute('stroke-linejoin', lineJoinEnum[2]);
        tSpan.setAttribute('stroke-miterlimit', '4');
      } else {
        tSpan = this.textPaths[cnt];
      }
      if (!this.isMasked) {
        if (this.textSpans[cnt]) {
          tParent = this.textSpans[cnt];
          tCont = tParent.children[0];
        } else {
          tParent = createTag('div');
          tParent.style.lineHeight = 0;
          tCont = createNS('svg');
          tCont.appendChild(tSpan);
          styleDiv(tParent);
        }
      }
    } else if (!this.isMasked) {
      if (this.textSpans[cnt]) {
        tParent = this.textSpans[cnt];
        tSpan = this.textPaths[cnt];
      } else {
        tParent = createTag('span');
        styleDiv(tParent);
        tSpan = createTag('span');
        styleDiv(tSpan);
        tParent.appendChild(tSpan);
      }
    } else {
      tSpan = this.textPaths[cnt] ? this.textPaths[cnt] : createNS('text');
    }
    // tSpan.setAttribute('visibility', 'hidden');
    if (this.globalData.fontManager.chars) {
      var charData = this.globalData.fontManager.getCharData(documentData.finalText[i], fontData.fStyle, this.globalData.fontManager.getFontByName(documentData.f).fFamily);
      var shapeData;
      if (charData) {
        shapeData = charData.data;
      } else {
        shapeData = null;
      }
      matrixHelper.reset();
      if (shapeData && shapeData.shapes && shapeData.shapes.length) {
        shapes = shapeData.shapes[0].it;
        matrixHelper.scale(documentData.finalSize / 100, documentData.finalSize / 100);
        shapeStr = this.createPathShape(matrixHelper, shapes);
        tSpan.setAttribute('d', shapeStr);
      }
      if (!this.isMasked) {
        this.innerElem.appendChild(tParent);
        if (shapeData && shapeData.shapes) {
          // document.body.appendChild is needed to get exact measure of shape
          document.body.appendChild(tCont);
          var boundingBox = tCont.getBBox();
          tCont.setAttribute('width', boundingBox.width + 2);
          tCont.setAttribute('height', boundingBox.height + 2);
          tCont.setAttribute('viewBox', (boundingBox.x - 1) + ' ' + (boundingBox.y - 1) + ' ' + (boundingBox.width + 2) + ' ' + (boundingBox.height + 2));
          var tContStyle = tCont.style;
          var tContTranslation = 'translate(' + (boundingBox.x - 1) + 'px,' + (boundingBox.y - 1) + 'px)';
          tContStyle.transform = tContTranslation;
          tContStyle.webkitTransform = tContTranslation;

          letters[i].yOffset = boundingBox.y - 1;
        } else {
          tCont.setAttribute('width', 1);
          tCont.setAttribute('height', 1);
        }
        tParent.appendChild(tCont);
      } else {
        this.innerElem.appendChild(tSpan);
      }
    } else {
      tSpan.textContent = letters[i].val;
      tSpan.setAttributeNS('http://www.w3.org/XML/1998/namespace', 'xml:space', 'preserve');
      if (!this.isMasked) {
        this.innerElem.appendChild(tParent);
        //
        var tStyle = tSpan.style;
        var tSpanTranslation = 'translate3d(0,' + -documentData.finalSize / 1.2 + 'px,0)';
        tStyle.transform = tSpanTranslation;
        tStyle.webkitTransform = tSpanTranslation;
      } else {
        this.innerElem.appendChild(tSpan);
      }
    }
    //
    if (!this.isMasked) {
      this.textSpans[cnt] = tParent;
    } else {
      this.textSpans[cnt] = tSpan;
    }
    this.textSpans[cnt].style.display = 'block';
    this.textPaths[cnt] = tSpan;
    cnt += 1;
  }
  while (cnt < this.textSpans.length) {
    this.textSpans[cnt].style.display = 'none';
    cnt += 1;
  }
};

HTextElement.prototype.renderInnerContent = function () {
  var svgStyle;
  if (this.data.singleShape) {
    if (!this._isFirstFrame && !this.lettersChangedFlag) {
      return;
    } if (this.isMasked && this.finalTransform._matMdf) {
      // Todo Benchmark if using this is better than getBBox
      this.svgElement.setAttribute('viewBox', -this.finalTransform.mProp.p.v[0] + ' ' + -this.finalTransform.mProp.p.v[1] + ' ' + this.compW + ' ' + this.compH);
      svgStyle = this.svgElement.style;
      var translation = 'translate(' + -this.finalTransform.mProp.p.v[0] + 'px,' + -this.finalTransform.mProp.p.v[1] + 'px)';
      svgStyle.transform = translation;
      svgStyle.webkitTransform = translation;
    }
  }

  this.textAnimator.getMeasures(this.textProperty.currentData, this.lettersChangedFlag);
  if (!this.lettersChangedFlag && !this.textAnimator.lettersChangedFlag) {
    return;
  }
  var i;
  var len;
  var count = 0;
  var renderedLetters = this.textAnimator.renderedLetters;

  var letters = this.textProperty.currentData.l;

  len = letters.length;
  var renderedLetter;
  var textSpan;
  var textPath;
  for (i = 0; i < len; i += 1) {
    if (letters[i].n) {
      count += 1;
    } else {
      textSpan = this.textSpans[i];
      textPath = this.textPaths[i];
      renderedLetter = renderedLetters[count];
      count += 1;
      if (renderedLetter._mdf.m) {
        if (!this.isMasked) {
          textSpan.style.webkitTransform = renderedLetter.m;
          textSpan.style.transform = renderedLetter.m;
        } else {
          textSpan.setAttribute('transform', renderedLetter.m);
        }
      }
      /// /textSpan.setAttribute('opacity',renderedLetter.o);
      textSpan.style.opacity = renderedLetter.o;
      if (renderedLetter.sw && renderedLetter._mdf.sw) {
        textPath.setAttribute('stroke-width', renderedLetter.sw);
      }
      if (renderedLetter.sc && renderedLetter._mdf.sc) {
        textPath.setAttribute('stroke', renderedLetter.sc);
      }
      if (renderedLetter.fc && renderedLetter._mdf.fc) {
        textPath.setAttribute('fill', renderedLetter.fc);
        textPath.style.color = renderedLetter.fc;
      }
    }
  }

  if (this.innerElem.getBBox && !this.hidden && (this._isFirstFrame || this._mdf)) {
    var boundingBox = this.innerElem.getBBox();

    if (this.currentBBox.w !== boundingBox.width) {
      this.currentBBox.w = boundingBox.width;
      this.svgElement.setAttribute('width', boundingBox.width);
    }
    if (this.currentBBox.h !== boundingBox.height) {
      this.currentBBox.h = boundingBox.height;
      this.svgElement.setAttribute('height', boundingBox.height);
    }

    var margin = 1;
    if (this.currentBBox.w !== (boundingBox.width + margin * 2) || this.currentBBox.h !== (boundingBox.height + margin * 2) || this.currentBBox.x !== (boundingBox.x - margin) || this.currentBBox.y !== (boundingBox.y - margin)) {
      this.currentBBox.w = boundingBox.width + margin * 2;
      this.currentBBox.h = boundingBox.height + margin * 2;
      this.currentBBox.x = boundingBox.x - margin;
      this.currentBBox.y = boundingBox.y - margin;

      this.svgElement.setAttribute('viewBox', this.currentBBox.x + ' ' + this.currentBBox.y + ' ' + this.currentBBox.w + ' ' + this.currentBBox.h);
      svgStyle = this.svgElement.style;
      var svgTransform = 'translate(' + this.currentBBox.x + 'px,' + this.currentBBox.y + 'px)';
      svgStyle.transform = svgTransform;
      svgStyle.webkitTransform = svgTransform;
    }
  }
};

export default HTextElement;