/**
 * Created by Mai on 2017/4/1.
 */

var Ration = {
    createNew: function (project) {
        // 用户定义private方法
        var tools = {
        };

        // 所有通过this访问的属性，都不应在此单元外部进行写入操作
        var ration = function (proj) {
            this.project = proj;
            this.datas = null;

            var sourceType = ModuleNames.ration;
            this.getSourceType = function () {
                return sourceType;
            }
            proj.registerModule(ModuleNames.ration, this);

            var maxRationID = 0;
            this.getNewRationID = function () {
                return maxRationID += 1;
            };
            this.maxRationID = function (maxID) {
                if (arguments.length === 0) {
                    return maxRationID;
                } else {
                    maxRationID = Math.max(maxID, maxRationID);
                }
            };
        };

        // prototype用于定义public方法
        ration.prototype.loadData = function (datas) {
            var that = this;
            this.datas = datas;
            // generate Fees & Flags Index，For View & Calculate
            this.datas.forEach(function (data) {
                data.FeesIndex = {};
                data.fees.forEach(function (fee) {
                    data.FeesIndex[fee.fieldName] = fee;
                });
                data.FlagsIndex = {};
                data.flags.forEach(function (flag) {
                    data.FlagsIndex[flag.fieldName] = flag;
                });
                that.maxRationID(data.ID);
            });
        };

        // 提交数据后的错误处理方法
        ration.prototype.doAfterUpdate = function(err, data){
            // to do
        };

        ration.prototype.getTempRationData = function (id, billsID, serialNo) {
            var newData = {'ID': id, 'serialNo': serialNo, projectID: this.project.ID()};
            newData[project.masterField.ration] = billsID;
            return newData;
        };

        ration.prototype.getBillsSortRation = function (billsID) {
            var rations = this.datas.filter(function (data) {
                return data[project.masterField.ration] === billsID;
            });
            rations.sort(function (x, y) {
                return x.serialNo - y.serialNo;
            });
            return rations;
        };

        ration.prototype.getInsertRationData = function (billsID, preRation) {
            var br = this.getBillsSortRation(billsID);
            var updateData = [];
            if (preRation) {
                var preIndex = br.indexOf(preRation), i;
                updateData.push({updateType: 'ut_create', updateData: this.getTempRationData(this.maxRationID() + 1, billsID, preIndex < br.length - 1 ? br[preIndex + 1].serialNo : br[preIndex].serialNo + 1)});
                for (i = preIndex + 1; i < br.length; i++) {
                    updateData.push({updateType: 'ut_update', updateData: this.getTempRationData(br[i].ID, billsID, i < br.length - 1 ? br[i+1].serialNo : br[i].serialNo + 1)});
                }
            } else {
                updateData.push({updateType: 'ut_create', updateData: this.getTempRationData(this.maxRationID() + 1, billsID, br.length > 0 ? br[br.length - 1].serialNo + 1 : 1)});
            }
            return updateData;
        };

        ration.prototype.getCounterData = function (count) {
            var updateData = {'projectID': this.project.ID()};
            if (count) {
                updateData[this.getSourceType()] = this.maxRationID() + count;
            } else {
                updateData[this.getSourceType()] = this.maxRationID() + 1;
            }
            return updateData;
        };

        ration.prototype.insertRation = function (billsID, preRation) {
            var br = this.getBillsSortRation(billsID);
            /*this.project.pushNow('insertRation', [this.getSourceType(), 'proj_counter'],
                [this.getInsertRationData(billsID, preRation), this.getCounterData()]);*/
            this.project.pushNow('insertRation', [this.getSourceType()], [this.getInsertRationData(billsID, preRation)]);

            var newRation = null;
            if (preRation) {
                var preIndex = br.indexOf(preRation), i;
                newRation = this.getTempRationData(this.getNewRationID(), billsID, preIndex < br.length - 1 ? br[preIndex + 1].serialNo : br[preIndex].serialNo + 1);
                this.datas.push(newRation);
                for (i = preIndex + 1; i < br.length; i++) {
                    br[i].serialNo = i < br.length - 1 ? br [i + 1].serialNo : br[i].serialNo + 1;
                }
            } else {
                newRation = this.getTempRationData(this.getNewRationID(), billsID, br.length > 0 ? br[br.length - 1].serialNo + 1 : 1);
                this.datas.push(newRation);
            }
            return newRation;
        };

        ration.prototype.insertStdRation = function (billsID, preRation, std) {
            var br = this.getBillsSortRation(billsID), updateData = this.getInsertRationData(billsID, preRation), newRation = null;
            updateData.forEach(function (data) {
                if (data.updateType === 'ut_create') {
                    data.updateData.code = std.code;
                    data.updateData.name = std.name;
                    data.updateData.unit = std.unit;
                    newRation = data.updateData;
                }
            });
            this.project.pushNow('insertRation', [this.getSourceType()], [updateData]);

            if (preRation) {
                var preIndex = br.indexOf(preRation), i;
                this.datas.push(newRation);
                for (i = preIndex + 1; i < br.length; i++) {
                    br[i].serialNo = i < br.length - 1 ? br [i + 1].serialNo : br[i].serialNo + 1;
                }
            } else {
                this.datas.push(newRation);
            }
            return newRation;
        };

        return new ration(project);
    }
};