/**
 * Created by Tony on 2017/4/24.
 * 重新构造，不适宜生成多个定额库db，还是得统一在一个表
 */
let async = require("async");
let moment = require('moment');
const mongoose = require('mongoose');
let counter = require('../../../public/counter/counter');
const gljMapModel = mongoose.model('std_glj_lib_map');
const rationRepository = mongoose.model('std_ration_lib_map');
const rationChapterTreeModel = mongoose.model('std_ration_lib_ration_chapter_trees');
const rationItemModel = mongoose.model('std_ration_lib_ration_items');
const rationCoeModel = mongoose.model('std_ration_lib_coe_list');
const rationInstallFeeItem = mongoose.model('std_ration_lib_installation');
const rationInstallSection = mongoose.model('std_ration_lib_installationSection');
const engLibModel = mongoose.model('engineering_lib');

function createNewLibModel(rationLibObj) {
    var rst = {};
    rst.dispName = rationLibObj.dispName;
    rst.code = rationLibObj.code;
    rst.shortName = rationLibObj.shortName;
    rst.appType = rationLibObj.appType ? rationLibObj.appType : 'construct';
    rst.compilationId = rationLibObj.compilationId;
    rst.compilationName = rationLibObj.compilationName;
    rst.gljLib = rationLibObj.gljLib;
    rst.creator = rationLibObj.creator;
    rst.createDate = moment(Date.now()).format('YYYY-MM-DD HH:mm:ss');
    rst.recentOpr = [{ operator: rationLibObj.creator, operateDate: rst.createDate }],
        rst.deleted = false;
    return rst;
}

var rationRepositoryDao = function () { };

rationRepositoryDao.prototype.getRationLibsByCompilation = async function (compilationId) {
    return await rationRepository.find({ compilationId: compilationId, deleted: false });
};

rationRepositoryDao.prototype.updateGljLib = function (gljLibId, callback) {
    rationRepository.update({ gljLib: gljLibId }, { $set: { gljLib: -1 } }, { multi: true }, function (err) {
        if (err) {
            callback(err);
        }
        else {
            callback(null);
        }
    })
};

rationRepositoryDao.prototype.updateOprArr = function (findSet, oprtor, oprDate, cb) {
    rationRepository.find(findSet, function (err, result) {
        if (err) {
            cb(err);
        }
        else {
            if (result.length === 1) {
                let recentOprArr = result[0].recentOpr;
                let isExist = false;
                for (let i = 0; i < recentOprArr.length; i++) {
                    if (recentOprArr[i].operator === oprtor) {
                        recentOprArr[i].operateDate = oprDate;
                        isExist = true;
                    }
                }
                if (!isExist) {
                    if (recentOprArr.length < 5) {
                        recentOprArr.push({ operator: oprtor, operateDate: oprDate });
                    }
                    else if (recentOprArr.length === 5) {
                        recentOprArr.sort(function (a, b) {
                            if (a.operateDate > b.operateDate) {
                                return -1;
                            } else {
                                return 1;
                            }
                            return 0;
                        });
                        recentOprArr.splice(recentOprArr.length - 1, 1);
                        recentOprArr.splice(0, 1, { operator: oprtor, operateDate: oprDate });
                    }
                }
                rationRepository.update(findSet, { $set: { recentOpr: recentOprArr } }, function (err) {
                    if (err) {
                        cb(err);
                    }
                    else {
                        cb(null);
                    }
                });
            }
            else {
                cb(err);
            }
        }
    })
};

rationRepositoryDao.prototype.getRealLibName = function (dispName, callback) {
    if (callback) {
        rationRepository.find({ "dispName": dispName }, function (err, data) {
            if (err) {
                callback('Error', null);
            } else {
                callback(false, data);
            }
        });
    } else {
        var rst = rationRepository.find({ "dispName": dispName }).exec();
        return rst;
    }
};

rationRepositoryDao.prototype.getLibIDByName = function (dispName, callback) {
    rationRepository.findOne({ "dispName": dispName }, function (err, data) {
        if (err) {
            callback('Error', null);
        } else {
            callback(false, data.ID);
        }
    });
};

rationRepositoryDao.prototype.getRepositoryById = function (repId, callback = null) {
    if (callback) {
        rationRepository.find({ "ID": repId }, function (err, data) {
            if (err) {
                callback('Error', null);
            } else {
                callback(false, data);
            }
        });
    } else {
        var rst = rationRepository.find({ "ID": repId }).exec();
        return rst;
    }
};

rationRepositoryDao.prototype.addRationRepository = function (rationLibObj, callback) {
    counter.counterDAO.getIDAfterCount(counter.moduleName.rationMap, 1, function (err, result) {
        var rMap = createNewLibModel(rationLibObj);
        rMap.ID = result.sequence_value;
        new rationRepository(rMap).save(function (err, result) {
            if (err) callback("Error", null);
            else {
                //向引用工料机库的添加标记
                gljMapModel.update({ ID: rMap.gljLib, deleted: false }, { $addToSet: { rationLibs: { ID: rMap.ID, dispName: rMap.dispName } } }, function (err, data) {
                    if (err) {
                        rationRepository.remove({ ID: rMap.ID }, function (err) {
                            if (err) {
                                callback("创建失败且回滚失败！", null);
                            }
                            else {
                                callback("创建失败，已回滚！", null);
                            }
                        });
                    }
                    else {
                        callback(false, result);
                    }
                });
            }
        });
    });
};

rationRepositoryDao.prototype.getRationLib = function (libId, callback) {
    rationRepository.find({ ID: libId, "deleted": false }, function (err, data) {
        if (err) {
            callback('Error', null);
        } else {
            callback(0, data);
        }
    });
};

rationRepositoryDao.prototype.getDisplayRationLibs = function (callback) {
    rationRepository.find({ "deleted": false }, function (err, data) {
        if (err) {
            callback('Error', null);
        } else {
            callback(false, data);
        }
    });
};

rationRepositoryDao.prototype.updateName = function (oprtor, renameObj, callback) {
    rationRepository.update({ ID: renameObj.ID, deleted: false }, { $set: { dispName: renameObj.newName, code: renameObj.code, shortName: renameObj.shortName } }, function (err) {
        if (err) {
            callback(err, '重命名失败！');
        } else {
            new rationRepositoryDao().updateOprArr({ ID: renameObj.ID, deleted: false }, oprtor, moment(Date.now()).format('YYYY-MM-DD HH:mm:ss'), function (err) {
                if (err) {
                    callback(err, '更新最近操作者失败！');
                }
                else {
                    engLibModel.update({ 'ration_lib.id': { $in: [String(renameObj.ID), +renameObj.ID] } }, { $set: { 'ration_lib.$.name': renameObj.newName } }, { multi: true }, function (err) {
                        if (err) {
                            callback(err, '更新工程专业引用失败！');
                        }
                        else {
                            callback(null, '成功！');
                        }
                    });
                }
            });
        }
    });
}

rationRepositoryDao.prototype.deleteRationLib = function (oprtor, libId, callback) {
    new rationRepositoryDao().updateOprArr({ ID: libId, deleted: false }, oprtor, moment(Date.now()).format('YYYY-MM-DD HH:mm:ss'), function (err) {
        if (err) {
            callback(err, '失败!')
        }
        else {
            rationRepository.find({ ID: libId, deleted: false }, function (err, result) {
                if (err) {
                    callback(err, "没有数据！");
                }
                else {
                    rationRepository.remove({ ID: libId }, function (err) {
                        if (err) {
                            callback(err, '移除定额库失败！');
                        }
                        else {
                            async.parallel([
                                function (cb) {
                                    //移除工料机库内被引用标记
                                    gljMapModel.update({ ID: result[0].gljLib, deleted: false }, { $pull: { rationLibs: { ID: libId } } }, function (err) {
                                        if (err) {
                                            cb(err);
                                        }
                                        else {
                                            cb(null);
                                        }
                                    });
                                },
                                //删除库下定额
                                function (cb) {
                                    rationItemModel.remove({ rationRepId: libId }, function (err) {
                                        if (err) cb(err);
                                        else cb(null);
                                    });
                                },
                                //删除库下章节树
                                function (cb) {
                                    rationChapterTreeModel.remove({ rationRepId: libId }, function (err) {
                                        if (err) cb(err);
                                        else cb(null);
                                    })
                                },
                                //删除子目换算
                                function (cb) {
                                    rationCoeModel.remove({ libID: libId }, function (err) {
                                        if (err) cb(err);
                                        else cb(null);
                                    });
                                },
                                //删除安装
                                async function (cb) {
                                    try {
                                        let feeItems = await rationInstallFeeItem.find({ rationRepId: libId });
                                        let sectionIDs = [];
                                        for (let item of feeItems) {
                                            for (let section of item.section) {
                                                sectionIDs.push(section.ID);
                                            }
                                        }
                                        await rationInstallFeeItem.remove({ rationRepId: libId });
                                        await rationInstallSection.remove({ ID: { $in: sectionIDs } });
                                        cb(null);
                                    }
                                    catch (err) {
                                        cb(err);
                                    }
                                }
                            ], function (err) {
                                if (err) callback(err, 'fail');
                                else callback(null, 'sc')
                            });
                        }
                    });
                }
            });
        }
    });
}

module.exports = new rationRepositoryDao();