import { bind } from '../../../../../../zrender@6.0.0/node_modules/zrender/lib/core/util.mjs';
import { incrementalApplyVisual } from '../../visual/visualSolution.mjs';
import VisualMapping from '../../visual/VisualMapping.mjs';
import { getVisualFromData } from '../../visual/helper.mjs';

var visualMapEncodingHandlers = [{
  createOnAllSeries: true,
  reset: function (seriesModel, ecModel) {
    var resetDefines = [];
    ecModel.eachComponent('visualMap', function (visualMapModel) {
      var pipelineContext = seriesModel.pipelineContext;
      if (!visualMapModel.isTargetSeries(seriesModel) || pipelineContext && pipelineContext.large) {
        return;
      }
      resetDefines.push(incrementalApplyVisual(visualMapModel.stateList, visualMapModel.targetVisuals, bind(visualMapModel.getValueState, visualMapModel), visualMapModel.getDataDimensionIndex(seriesModel.getData())));
    });
    return resetDefines;
  }
},
// Only support color.
{
  createOnAllSeries: true,
  reset: function (seriesModel, ecModel) {
    var data = seriesModel.getData();
    var visualMetaList = [];
    ecModel.eachComponent('visualMap', function (visualMapModel) {
      if (visualMapModel.isTargetSeries(seriesModel)) {
        var visualMeta = visualMapModel.getVisualMeta(bind(getColorVisual, null, seriesModel, visualMapModel)) || {
          stops: [],
          outerColors: []
        };
        var dimIdx = visualMapModel.getDataDimensionIndex(data);
        if (dimIdx >= 0) {
          // visualMeta.dimension should be dimension index, but not concrete dimension.
          visualMeta.dimension = dimIdx;
          visualMetaList.push(visualMeta);
        }
      }
    });
    // 
    seriesModel.getData().setVisual('visualMeta', visualMetaList);
  }
}];
// FIXME
// performance and export for heatmap?
// value can be Infinity or -Infinity
function getColorVisual(seriesModel, visualMapModel, value, valueState) {
  var mappings = visualMapModel.targetVisuals[valueState];
  var visualTypes = VisualMapping.prepareVisualTypes(mappings);
  var resultVisual = {
    color: getVisualFromData(seriesModel.getData(), 'color') // default color.
  };
  for (var i = 0, len = visualTypes.length; i < len; i++) {
    var type = visualTypes[i];
    var mapping = mappings[type === 'opacity' ? '__alphaForOpacity' : type];
    mapping && mapping.applyVisual(value, getVisual, setVisual);
  }
  return resultVisual.color;
  function getVisual(key) {
    return resultVisual[key];
  }
  function setVisual(key, value) {
    resultVisual[key] = value;
  }
}

export { visualMapEncodingHandlers };
