/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements.  See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership.  The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License.  You may obtain a copy of the License at
*
*   http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied.  See the License for the
* specific language governing permissions and limitations
* under the License.
*/

var _config = require("../config");

var __DEV__ = _config.__DEV__;

var _util = require("zrender/lib/core/util");

var each = _util.each;
var filter = _util.filter;
var map = _util.map;
var isArray = _util.isArray;
var indexOf = _util.indexOf;
var isObject = _util.isObject;
var isString = _util.isString;
var createHashMap = _util.createHashMap;
var assert = _util.assert;
var clone = _util.clone;
var merge = _util.merge;
var extend = _util.extend;
var mixin = _util.mixin;

var modelUtil = require("../util/model");

var Model = require("./Model");

var ComponentModel = require("./Component");

var globalDefault = require("./globalDefault");

var colorPaletteMixin = require("./mixin/colorPalette");

var _sourceHelper = require("../data/helper/sourceHelper");

var resetSourceDefaulter = _sourceHelper.resetSourceDefaulter;

/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements.  See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership.  The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License.  You may obtain a copy of the License at
*
*   http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied.  See the License for the
* specific language governing permissions and limitations
* under the License.
*/

/**
 * ECharts global model
 *
 * @module {echarts/model/Global}
 */

/**
 * Caution: If the mechanism should be changed some day, these cases
 * should be considered:
 *
 * (1) In `merge option` mode, if using the same option to call `setOption`
 * many times, the result should be the same (try our best to ensure that).
 * (2) In `merge option` mode, if a component has no id/name specified, it
 * will be merged by index, and the result sequence of the components is
 * consistent to the original sequence.
 * (3) `reset` feature (in toolbox). Find detailed info in comments about
 * `mergeOption` in module:echarts/model/OptionManager.
 */
var OPTION_INNER_KEY = '\0_ec_inner';
/**
 * @alias module:echarts/model/Global
 *
 * @param {Object} option
 * @param {module:echarts/model/Model} parentModel
 * @param {Object} theme
 */

var GlobalModel = Model.extend({
  init: function (option, parentModel, theme, optionManager) {
    theme = theme || {};
    this.option = null; // Mark as not initialized.

    /**
     * @type {module:echarts/model/Model}
     * @private
     */

    this._theme = new Model(theme);
    /**
     * @type {module:echarts/model/OptionManager}
     */

    this._optionManager = optionManager;
  },
  setOption: function (option, optionPreprocessorFuncs) {
    assert(!(OPTION_INNER_KEY in option), 'please use chart.getOption()');

    this._optionManager.setOption(option, optionPreprocessorFuncs);

    this.resetOption(null);
  },

  /**
   * @param {string} type null/undefined: reset all.
   *                      'recreate': force recreate all.
   *                      'timeline': only reset timeline option
   *                      'media': only reset media query option
   * @return {boolean} Whether option changed.
   */
  resetOption: function (type) {
    var optionChanged = false;
    var optionManager = this._optionManager;

    if (!type || type === 'recreate') {
      var baseOption = optionManager.mountOption(type === 'recreate');

      if (!this.option || type === 'recreate') {
        initBase.call(this, baseOption);
      } else {
        this.restoreData();
        this.mergeOption(baseOption);
      }

      optionChanged = true;
    }

    if (type === 'timeline' || type === 'media') {
      this.restoreData();
    }

    if (!type || type === 'recreate' || type === 'timeline') {
      var timelineOption = optionManager.getTimelineOption(this);
      timelineOption && (this.mergeOption(timelineOption), optionChanged = true);
    }

    if (!type || type === 'recreate' || type === 'media') {
      var mediaOptions = optionManager.getMediaOption(this, this._api);

      if (mediaOptions.length) {
        each(mediaOptions, function (mediaOption) {
          this.mergeOption(mediaOption, optionChanged = true);
        }, this);
      }
    }

    return optionChanged;
  },

  /**
   * @protected
   */
  mergeOption: function (newOption) {
    var option = this.option;
    var componentsMap = this._componentsMap;
    var newCptTypes = [];
    resetSourceDefaulter(this); // If no component class, merge directly.
    // For example: color, animaiton options, etc.

    each(newOption, function (componentOption, mainType) {
      if (componentOption == null) {
        return;
      }

      if (!ComponentModel.hasClass(mainType)) {
        // globalSettingTask.dirty();
        option[mainType] = option[mainType] == null ? clone(componentOption) : merge(option[mainType], componentOption, true);
      } else if (mainType) {
        newCptTypes.push(mainType);
      }
    });
    ComponentModel.topologicalTravel(newCptTypes, ComponentModel.getAllClassMainTypes(), visitComponent, this);

    function visitComponent(mainType, dependencies) {
      var newCptOptionList = modelUtil.normalizeToArray(newOption[mainType]);
      var mapResult = modelUtil.mappingToExists(componentsMap.get(mainType), newCptOptionList);
      modelUtil.makeIdAndName(mapResult); // Set mainType and complete subType.

      each(mapResult, function (item, index) {
        var opt = item.option;

        if (isObject(opt)) {
          item.keyInfo.mainType = mainType;
          item.keyInfo.subType = determineSubType(mainType, opt, item.exist);
        }
      });
      var dependentModels = getComponentsByTypes(componentsMap, dependencies);
      option[mainType] = [];
      componentsMap.set(mainType, []);
      each(mapResult, function (resultItem, index) {
        var componentModel = resultItem.exist;
        var newCptOption = resultItem.option;
        assert(isObject(newCptOption) || componentModel, 'Empty component definition'); // Consider where is no new option and should be merged using {},
        // see removeEdgeAndAdd in topologicalTravel and
        // ComponentModel.getAllClassMainTypes.

        if (!newCptOption) {
          componentModel.mergeOption({}, this);
          componentModel.optionUpdated({}, false);
        } else {
          var ComponentModelClass = ComponentModel.getClass(mainType, resultItem.keyInfo.subType, true);

          if (componentModel && componentModel.constructor === ComponentModelClass) {
            componentModel.name = resultItem.keyInfo.name; // componentModel.settingTask && componentModel.settingTask.dirty();

            componentModel.mergeOption(newCptOption, this);
            componentModel.optionUpdated(newCptOption, false);
          } else {
            // PENDING Global as parent ?
            var extraOpt = extend({
              dependentModels: dependentModels,
              componentIndex: index
            }, resultItem.keyInfo);
            componentModel = new ComponentModelClass(newCptOption, this, this, extraOpt);
            extend(componentModel, extraOpt);
            componentModel.init(newCptOption, this, this, extraOpt); // Call optionUpdated after init.
            // newCptOption has been used as componentModel.option
            // and may be merged with theme and default, so pass null
            // to avoid confusion.

            componentModel.optionUpdated(null, true);
          }
        }

        componentsMap.get(mainType)[index] = componentModel;
        option[mainType][index] = componentModel.option;
      }, this); // Backup series for filtering.

      if (mainType === 'series') {
        createSeriesIndices(this, componentsMap.get('series'));
      }
    }

    this._seriesIndicesMap = createHashMap(this._seriesIndices = this._seriesIndices || []);
  },

  /**
   * Get option for output (cloned option and inner info removed)
   * @public
   * @return {Object}
   */
  getOption: function () {
    var option = clone(this.option);
    each(option, function (opts, mainType) {
      if (ComponentModel.hasClass(mainType)) {
        var opts = modelUtil.normalizeToArray(opts);

        for (var i = opts.length - 1; i >= 0; i--) {
          // Remove options with inner id.
          if (modelUtil.isIdInner(opts[i])) {
            opts.splice(i, 1);
          }
        }

        option[mainType] = opts;
      }
    });
    delete option[OPTION_INNER_KEY];
    return option;
  },

  /**
   * @return {module:echarts/model/Model}
   */
  getTheme: function () {
    return this._theme;
  },

  /**
   * @param {string} mainType
   * @param {number} [idx=0]
   * @return {module:echarts/model/Component}
   */
  getComponent: function (mainType, idx) {
    var list = this._componentsMap.get(mainType);

    if (list) {
      return list[idx || 0];
    }
  },

  /**
   * If none of index and id and name used, return all components with mainType.
   * @param {Object} condition
   * @param {string} condition.mainType
   * @param {string} [condition.subType] If ignore, only query by mainType
   * @param {number|Array.<number>} [condition.index] Either input index or id or name.
   * @param {string|Array.<string>} [condition.id] Either input index or id or name.
   * @param {string|Array.<string>} [condition.name] Either input index or id or name.
   * @return {Array.<module:echarts/model/Component>}
   */
  queryComponents: function (condition) {
    var mainType = condition.mainType;

    if (!mainType) {
      return [];
    }

    var index = condition.index;
    var id = condition.id;
    var name = condition.name;

    var cpts = this._componentsMap.get(mainType);

    if (!cpts || !cpts.length) {
      return [];
    }

    var result;

    if (index != null) {
      if (!isArray(index)) {
        index = [index];
      }

      result = filter(map(index, function (idx) {
        return cpts[idx];
      }), function (val) {
        return !!val;
      });
    } else if (id != null) {
      var isIdArray = isArray(id);
      result = filter(cpts, function (cpt) {
        return isIdArray && indexOf(id, cpt.id) >= 0 || !isIdArray && cpt.id === id;
      });
    } else if (name != null) {
      var isNameArray = isArray(name);
      result = filter(cpts, function (cpt) {
        return isNameArray && indexOf(name, cpt.name) >= 0 || !isNameArray && cpt.name === name;
      });
    } else {
      // Return all components with mainType
      result = cpts.slice();
    }

    return filterBySubType(result, condition);
  },

  /**
   * The interface is different from queryComponents,
   * which is convenient for inner usage.
   *
   * @usage
   * var result = findComponents(
   *     {mainType: 'dataZoom', query: {dataZoomId: 'abc'}}
   * );
   * var result = findComponents(
   *     {mainType: 'series', subType: 'pie', query: {seriesName: 'uio'}}
   * );
   * var result = findComponents(
   *     {mainType: 'series',
   *     filter: function (model, index) {...}}
   * );
   * // result like [component0, componnet1, ...]
   *
   * @param {Object} condition
   * @param {string} condition.mainType Mandatory.
   * @param {string} [condition.subType] Optional.
   * @param {Object} [condition.query] like {xxxIndex, xxxId, xxxName},
   *        where xxx is mainType.
   *        If query attribute is null/undefined or has no index/id/name,
   *        do not filtering by query conditions, which is convenient for
   *        no-payload situations or when target of action is global.
   * @param {Function} [condition.filter] parameter: component, return boolean.
   * @return {Array.<module:echarts/model/Component>}
   */
  findComponents: function (condition) {
    var query = condition.query;
    var mainType = condition.mainType;
    var queryCond = getQueryCond(query);
    var result = queryCond ? this.queryComponents(queryCond) : this._componentsMap.get(mainType);
    return doFilter(filterBySubType(result, condition));

    function getQueryCond(q) {
      var indexAttr = mainType + 'Index';
      var idAttr = mainType + 'Id';
      var nameAttr = mainType + 'Name';
      return q && (q[indexAttr] != null || q[idAttr] != null || q[nameAttr] != null) ? {
        mainType: mainType,
        // subType will be filtered finally.
        index: q[indexAttr],
        id: q[idAttr],
        name: q[nameAttr]
      } : null;
    }

    function doFilter(res) {
      return condition.filter ? filter(res, condition.filter) : res;
    }
  },

  /**
   * @usage
   * eachComponent('legend', function (legendModel, index) {
   *     ...
   * });
   * eachComponent(function (componentType, model, index) {
   *     // componentType does not include subType
   *     // (componentType is 'xxx' but not 'xxx.aa')
   * });
   * eachComponent(
   *     {mainType: 'dataZoom', query: {dataZoomId: 'abc'}},
   *     function (model, index) {...}
   * );
   * eachComponent(
   *     {mainType: 'series', subType: 'pie', query: {seriesName: 'uio'}},
   *     function (model, index) {...}
   * );
   *
   * @param {string|Object=} mainType When mainType is object, the definition
   *                                  is the same as the method 'findComponents'.
   * @param {Function} cb
   * @param {*} context
   */
  eachComponent: function (mainType, cb, context) {
    var componentsMap = this._componentsMap;

    if (typeof mainType === 'function') {
      context = cb;
      cb = mainType;
      componentsMap.each(function (components, componentType) {
        each(components, function (component, index) {
          cb.call(context, componentType, component, index);
        });
      });
    } else if (isString(mainType)) {
      each(componentsMap.get(mainType), cb, context);
    } else if (isObject(mainType)) {
      var queryResult = this.findComponents(mainType);
      each(queryResult, cb, context);
    }
  },

  /**
   * @param {string} name
   * @return {Array.<module:echarts/model/Series>}
   */
  getSeriesByName: function (name) {
    var series = this._componentsMap.get('series');

    return filter(series, function (oneSeries) {
      return oneSeries.name === name;
    });
  },

  /**
   * @param {number} seriesIndex
   * @return {module:echarts/model/Series}
   */
  getSeriesByIndex: function (seriesIndex) {
    return this._componentsMap.get('series')[seriesIndex];
  },

  /**
   * Get series list before filtered by type.
   * FIXME: rename to getRawSeriesByType?
   *
   * @param {string} subType
   * @return {Array.<module:echarts/model/Series>}
   */
  getSeriesByType: function (subType) {
    var series = this._componentsMap.get('series');

    return filter(series, function (oneSeries) {
      return oneSeries.subType === subType;
    });
  },

  /**
   * @return {Array.<module:echarts/model/Series>}
   */
  getSeries: function () {
    return this._componentsMap.get('series').slice();
  },

  /**
   * @return {number}
   */
  getSeriesCount: function () {
    return this._componentsMap.get('series').length;
  },

  /**
   * After filtering, series may be different
   * frome raw series.
   *
   * @param {Function} cb
   * @param {*} context
   */
  eachSeries: function (cb, context) {
    assertSeriesInitialized(this);
    each(this._seriesIndices, function (rawSeriesIndex) {
      var series = this._componentsMap.get('series')[rawSeriesIndex];

      cb.call(context, series, rawSeriesIndex);
    }, this);
  },

  /**
   * Iterate raw series before filtered.
   *
   * @param {Function} cb
   * @param {*} context
   */
  eachRawSeries: function (cb, context) {
    each(this._componentsMap.get('series'), cb, context);
  },

  /**
   * After filtering, series may be different.
   * frome raw series.
   *
   * @param {string} subType.
   * @param {Function} cb
   * @param {*} context
   */
  eachSeriesByType: function (subType, cb, context) {
    assertSeriesInitialized(this);
    each(this._seriesIndices, function (rawSeriesIndex) {
      var series = this._componentsMap.get('series')[rawSeriesIndex];

      if (series.subType === subType) {
        cb.call(context, series, rawSeriesIndex);
      }
    }, this);
  },

  /**
   * Iterate raw series before filtered of given type.
   *
   * @parma {string} subType
   * @param {Function} cb
   * @param {*} context
   */
  eachRawSeriesByType: function (subType, cb, context) {
    return each(this.getSeriesByType(subType), cb, context);
  },

  /**
   * @param {module:echarts/model/Series} seriesModel
   */
  isSeriesFiltered: function (seriesModel) {
    assertSeriesInitialized(this);
    return this._seriesIndicesMap.get(seriesModel.componentIndex) == null;
  },

  /**
   * @return {Array.<number>}
   */
  getCurrentSeriesIndices: function () {
    return (this._seriesIndices || []).slice();
  },

  /**
   * @param {Function} cb
   * @param {*} context
   */
  filterSeries: function (cb, context) {
    assertSeriesInitialized(this);
    var filteredSeries = filter(this._componentsMap.get('series'), cb, context);
    createSeriesIndices(this, filteredSeries);
  },
  restoreData: function (payload) {
    var componentsMap = this._componentsMap;
    createSeriesIndices(this, componentsMap.get('series'));
    var componentTypes = [];
    componentsMap.each(function (components, componentType) {
      componentTypes.push(componentType);
    });
    ComponentModel.topologicalTravel(componentTypes, ComponentModel.getAllClassMainTypes(), function (componentType, dependencies) {
      each(componentsMap.get(componentType), function (component) {
        (componentType !== 'series' || !isNotTargetSeries(component, payload)) && component.restoreData();
      });
    });
  }
});

function isNotTargetSeries(seriesModel, payload) {
  if (payload) {
    var index = payload.seiresIndex;
    var id = payload.seriesId;
    var name = payload.seriesName;
    return index != null && seriesModel.componentIndex !== index || id != null && seriesModel.id !== id || name != null && seriesModel.name !== name;
  }
}
/**
 * @inner
 */


function mergeTheme(option, theme) {
  // PENDING
  // NOT use `colorLayer` in theme if option has `color`
  var notMergeColorLayer = option.color && !option.colorLayer;
  each(theme, function (themeItem, name) {
    if (name === 'colorLayer' && notMergeColorLayer) {
      return;
    } // 如果有 component model 则把具体的 merge 逻辑交给该 model 处理


    if (!ComponentModel.hasClass(name)) {
      if (typeof themeItem === 'object') {
        option[name] = !option[name] ? clone(themeItem) : merge(option[name], themeItem, false);
      } else {
        if (option[name] == null) {
          option[name] = themeItem;
        }
      }
    }
  });
}

function initBase(baseOption) {
  baseOption = baseOption; // Using OPTION_INNER_KEY to mark that this option can not be used outside,
  // i.e. `chart.setOption(chart.getModel().option);` is forbiden.

  this.option = {};
  this.option[OPTION_INNER_KEY] = 1;
  /**
   * Init with series: [], in case of calling findSeries method
   * before series initialized.
   * @type {Object.<string, Array.<module:echarts/model/Model>>}
   * @private
   */

  this._componentsMap = createHashMap({
    series: []
  });
  /**
   * Mapping between filtered series list and raw series list.
   * key: filtered series indices, value: raw series indices.
   * @type {Array.<nubmer>}
   * @private
   */

  this._seriesIndices;
  this._seriesIndicesMap;
  mergeTheme(baseOption, this._theme.option); // TODO Needs clone when merging to the unexisted property

  merge(baseOption, globalDefault, false);
  this.mergeOption(baseOption);
}
/**
 * @inner
 * @param {Array.<string>|string} types model types
 * @return {Object} key: {string} type, value: {Array.<Object>} models
 */


function getComponentsByTypes(componentsMap, types) {
  if (!isArray(types)) {
    types = types ? [types] : [];
  }

  var ret = {};
  each(types, function (type) {
    ret[type] = (componentsMap.get(type) || []).slice();
  });
  return ret;
}
/**
 * @inner
 */


function determineSubType(mainType, newCptOption, existComponent) {
  var subType = newCptOption.type ? newCptOption.type : existComponent ? existComponent.subType // Use determineSubType only when there is no existComponent.
  : ComponentModel.determineSubType(mainType, newCptOption); // tooltip, markline, markpoint may always has no subType

  return subType;
}
/**
 * @inner
 */


function createSeriesIndices(ecModel, seriesModels) {
  ecModel._seriesIndicesMap = createHashMap(ecModel._seriesIndices = map(seriesModels, function (series) {
    return series.componentIndex;
  }) || []);
}
/**
 * @inner
 */


function filterBySubType(components, condition) {
  // Using hasOwnProperty for restrict. Consider
  // subType is undefined in user payload.
  return condition.hasOwnProperty('subType') ? filter(components, function (cpt) {
    return cpt.subType === condition.subType;
  }) : components;
}
/**
 * @inner
 */


function assertSeriesInitialized(ecModel) {}

mixin(GlobalModel, colorPaletteMixin);
var _default = GlobalModel;
module.exports = _default;