import { createHashMap, each, retrieve } from '../../../../../zrender@6.0.0/node_modules/zrender/lib/core/util.mjs';
import { SINGLE_REFERRING } from '../util/model.mjs';

/**
 * @class
 * For example:
 * {
 *     coordSysName: 'cartesian2d',
 *     coordSysDims: ['x', 'y', ...],
 *     axisMap: HashMap({
 *         x: xAxisModel,
 *         y: yAxisModel
 *     }),
 *     categoryAxisMap: HashMap({
 *         x: xAxisModel,
 *         y: undefined
 *     }),
 *     // The index of the first category axis in `coordSysDims`.
 *     // `null/undefined` means no category axis exists.
 *     firstCategoryDimIndex: 1,
 *     // To replace user specified encode.
 * }
 */
var CoordSysInfo = /** @class */function () {
  function CoordSysInfo(coordSysName) {
    this.coordSysDims = [];
    this.axisMap = createHashMap();
    this.categoryAxisMap = createHashMap();
    this.coordSysName = coordSysName;
  }
  return CoordSysInfo;
}();
function getCoordSysInfoBySeries(seriesModel) {
  var coordSysName = seriesModel.get('coordinateSystem');
  var result = new CoordSysInfo(coordSysName);
  var fetch = fetchers[coordSysName];
  if (fetch) {
    fetch(seriesModel, result, result.axisMap, result.categoryAxisMap);
    return result;
  }
}
// TODO: refactor them to static member of each coord sys, rather than hard code here.
var fetchers = {
  cartesian2d: function (seriesModel, result, axisMap, categoryAxisMap) {
    var xAxisModel = seriesModel.getReferringComponents('xAxis', SINGLE_REFERRING).models[0];
    var yAxisModel = seriesModel.getReferringComponents('yAxis', SINGLE_REFERRING).models[0];
    if (process.env.NODE_ENV !== 'production') {
      if (!xAxisModel) {
        throw new Error('xAxis "' + retrieve(seriesModel.get('xAxisIndex'), seriesModel.get('xAxisId'), 0) + '" not found');
      }
      if (!yAxisModel) {
        throw new Error('yAxis "' + retrieve(seriesModel.get('xAxisIndex'), seriesModel.get('yAxisId'), 0) + '" not found');
      }
    }
    result.coordSysDims = ['x', 'y'];
    axisMap.set('x', xAxisModel);
    axisMap.set('y', yAxisModel);
    if (isCategory(xAxisModel)) {
      categoryAxisMap.set('x', xAxisModel);
      result.firstCategoryDimIndex = 0;
    }
    if (isCategory(yAxisModel)) {
      categoryAxisMap.set('y', yAxisModel);
      result.firstCategoryDimIndex == null && (result.firstCategoryDimIndex = 1);
    }
  },
  singleAxis: function (seriesModel, result, axisMap, categoryAxisMap) {
    var singleAxisModel = seriesModel.getReferringComponents('singleAxis', SINGLE_REFERRING).models[0];
    if (process.env.NODE_ENV !== 'production') {
      if (!singleAxisModel) {
        throw new Error('singleAxis should be specified.');
      }
    }
    result.coordSysDims = ['single'];
    axisMap.set('single', singleAxisModel);
    if (isCategory(singleAxisModel)) {
      categoryAxisMap.set('single', singleAxisModel);
      result.firstCategoryDimIndex = 0;
    }
  },
  polar: function (seriesModel, result, axisMap, categoryAxisMap) {
    var polarModel = seriesModel.getReferringComponents('polar', SINGLE_REFERRING).models[0];
    var radiusAxisModel = polarModel.findAxisModel('radiusAxis');
    var angleAxisModel = polarModel.findAxisModel('angleAxis');
    if (process.env.NODE_ENV !== 'production') {
      if (!angleAxisModel) {
        throw new Error('angleAxis option not found');
      }
      if (!radiusAxisModel) {
        throw new Error('radiusAxis option not found');
      }
    }
    result.coordSysDims = ['radius', 'angle'];
    axisMap.set('radius', radiusAxisModel);
    axisMap.set('angle', angleAxisModel);
    if (isCategory(radiusAxisModel)) {
      categoryAxisMap.set('radius', radiusAxisModel);
      result.firstCategoryDimIndex = 0;
    }
    if (isCategory(angleAxisModel)) {
      categoryAxisMap.set('angle', angleAxisModel);
      result.firstCategoryDimIndex == null && (result.firstCategoryDimIndex = 1);
    }
  },
  geo: function (seriesModel, result, axisMap, categoryAxisMap) {
    result.coordSysDims = ['lng', 'lat'];
  },
  parallel: function (seriesModel, result, axisMap, categoryAxisMap) {
    var ecModel = seriesModel.ecModel;
    var parallelModel = ecModel.getComponent('parallel', seriesModel.get('parallelIndex'));
    var coordSysDims = result.coordSysDims = parallelModel.dimensions.slice();
    each(parallelModel.parallelAxisIndex, function (axisIndex, index) {
      var axisModel = ecModel.getComponent('parallelAxis', axisIndex);
      var axisDim = coordSysDims[index];
      axisMap.set(axisDim, axisModel);
      if (isCategory(axisModel)) {
        categoryAxisMap.set(axisDim, axisModel);
        if (result.firstCategoryDimIndex == null) {
          result.firstCategoryDimIndex = index;
        }
      }
    });
  },
  matrix: function (seriesModel, result, axisMap, categoryAxisMap) {
    var matrixModel = seriesModel.getReferringComponents('matrix', SINGLE_REFERRING).models[0];
    if (process.env.NODE_ENV !== 'production') {
      if (!matrixModel) {
        throw new Error('matrix coordinate system should be specified.');
      }
    }
    result.coordSysDims = ['x', 'y'];
    var xModel = matrixModel.getDimensionModel('x');
    var yModel = matrixModel.getDimensionModel('y');
    axisMap.set('x', xModel);
    axisMap.set('y', yModel);
    categoryAxisMap.set('x', xModel);
    categoryAxisMap.set('y', yModel);
  }
};
function isCategory(axisModel) {
  return axisModel.get('type') === 'category';
}

export { getCoordSysInfoBySeries };
