/**
 * 评价模型
 */
define(['base', '$', 'api'], function (base, $, api) {
  var Review = function () {
    if (typeof Review.instance === 'object') {
      return Review.instance;
    }
    Review.instance = this;
    this.storagePrefix = 'review_';
    this.reviewDatas = {};
    this.techCommentData = {};
  }

  var defultReviewData = {
    page: 0,
    list: [],
    refreshTime: 0,
    hasMore: true
  };

  Review.prototype = new base();

  Review.prototype.getReviewData = function(type) {
    if (!this.reviewDatas.hasOwnProperty(type)) {
      this.reviewDatas[type] = $.extend(true, {}, defultReviewData);
    }
    return this.reviewDatas[type];
  };

  Review.prototype.getTechCommentData = function(techID) {
    if (!this.techCommentData.hasOwnProperty(techID)) {
      this.techCommentData[techID] = $.extend(true, {}, defultReviewData);
    }
    return this.techCommentData[techID];
  };

  Review.prototype.getList = function (type, callback, reset) {
    var that = this;
    var reviewData = this.getReviewData(type);
    var page = reviewData.page + 1;
    if (reset) {
      page = 1;
    }
    api.getReviewList({
      type: type,
      page: page
    }, function (res) {
      if (res.success) {
        if (res.current_page >= res.sum_page) {
          res.current_page = res.sum_page;
          reviewData.hasMore = false;
        } else {
          reviewData.hasMore = true;
        }
        reviewData.page = res.current_page;
        reviewData.refreshTime = new Date().getTime();
        if (reset) {
          reviewData.list = res.data.comments;
        } else {
          reviewData.list = reviewData.list.concat(res.data.comments);
        }
      }

      if (typeof (callback) == 'function') {
        callback(res);
      }
    });
  };

  Review.prototype.getTechComment = function (techID, callback, reset) {
    var that = this;
    var techData = this.getTechCommentData(techID);
    var page = techData.page + 1;
    if (reset) {
      page = 1;
    }
    api.techComment({
      tech_id: techID,
      page: page
    }, function (res) {
      if (res.success) {
        if (res.current_page >= res.sum_page) {
          res.current_page = res.sum_page;
          techData.hasMore = false;
        } else {
          techData.hasMore = true;
        }
        techData.page = res.current_page;
        techData.refreshTime = new Date().getTime();
        if (reset) {
          techData.list = res.data.comments;
        } else {
          techData.list = techData.list.concat(res.data.comments);
        }
      }

      if (typeof (callback) == 'function') {
        callback(res);
      }
    });
  };

  return new Review();
})