public without sharing class ProRegisterHandler {

	public static void updateProduct(List<Product_Register__c> newList, Map<Id, Product_Register__c> newMap, List<Product_Register__c> oldList, Map<Id, Product_Register__c> oldMap) {

		// 产品-注册证关系 中所有 产品ID
		List<ID> Product2_ID_list = new list<ID>();
		// 现有产品 map
		Map<ID, Product2> Exist_ProductMap = new map<ID, Product2>();
		// 需要更新产品 list
		List<Product2> UpdateProductlist = new list<Product2>();
		// 根据变更的证ID找到关联的所有的产品
		list<Product_Register_Link__c> ExistPRLList = [select Product2__c,
		                               Product_Register__c
		                               from Product_Register_Link__c
		                               where Product_Register__c in: newList
		                                              ];

		for (Product_Register_Link__c PRL : ExistPRLList) {
			// 产品ID的LIST
			Product2_ID_list.add(PRL.Product2__c);
		}

		// 通过产品ID找到该产品最新注册证ID
		Exist_ProductMap = new Map<ID, Product2> ([select ID, Register_Latest__c, registrationCode__c, clinical_product_code__c
		        from Product2
		        where id in: Product2_ID_list
		                                          ]);

		// 通过产品ID找到所有涉及的有效关系
		List<Product_Register_Link__c> allPRLList = [select Product2__c,
		                               Product_Register__c,
		                               Product_Register__r.PrdCompanyAddr__c,
		                               Product_Register__r.ValidFrom__c,
		                               Product_Register__r.ValidTo__c,
		                               Product_Register__r.Name,
		                               Product_Register__r.ValidProductRegister__c,
		                               Product_Register__r.ClinicalProductCode__c
		                               from Product_Register_Link__c
		                               where Product2__c in : Product2_ID_list
		                               order by Product2__c,
		                               LastModifiedDate desc
		                                            ];

		String tmpProductID = '';
		Product2 temProduct = new Product2();
		Map<Id, Product2> UpdProMap = new Map<Id, Product2>();

		for (Product_Register_Link__c temPRL : allPRLList) {

			if (!tmpProductID.equals(temPRL.Product2__c)) {

				tmpProductID = temPRL.Product2__c;
				temProduct = Exist_ProductMap.get(tmpProductID);
				temProduct.Register_Latest__c = temPRL.Product_Register__c;                    // 最新注册证ID
				temProduct.registrationCode__c = null;
				temProduct.clinical_product_code__c = null;
			}

			// 如果注册证状态有效,记录有效注册证号
			if (temPRL.Product_Register__r.ValidProductRegister__c ) {
				if (String.isBlank(temProduct.registrationCode__c)) {
					temProduct.registrationCode__c = temPRL.Product_Register__r.Name + '\n';
				} else {
					if (String.isNotBlank(temPRL.Product_Register__r.Name)) {
						if (temProduct.registrationCode__c.indexOf(temPRL.Product_Register__r.Name) == -1) {
							temProduct.registrationCode__c += temPRL.Product_Register__r.Name + '\n';
						}
					}
				}

				String clinicalCode = temPRL.Product_Register__r.ClinicalProductCode__c;
				if (String.isBlank(temProduct.clinical_product_code__c)) {
					temProduct.clinical_product_code__c = clinicalCode;//temPRL.Product_Register__r.ClinicalProductCode__c;
				} else {

					if (String.isNotBlank(clinicalCode)) {

						Map<String, String> codeMap = new Map<String, String>();
						for (String code : temProduct.clinical_product_code__c.split('/')) {
							codeMap.put(code, code);
						}
						codeMap.put(clinicalCode, clinicalCode);
						temProduct.clinical_product_code__c = '';
						for (String code : codeMap.values()) {
							if (String.isBlank(temProduct.clinical_product_code__c)) {
								temProduct.clinical_product_code__c = code;
							} else {
								temProduct.clinical_product_code__c += '/' + code;
							}
						}
						
					}

				}
			}
			UpdProMap.put(tmpProductID, temProduct);
		}
		if (UpdProMap.keySet().size() > 0)  update UpdProMap.values();
	}

	//产品降类,只要注册证更新了,就检查一遍，重新给产品上的等级类别字段赋值。
	//可以找出需要的Id,然后调用方法。
	public static void checkRegistervervaldatum(List<Product_Register__c> newList, Map<Id, Product_Register__c> newMap, List<Product_Register__c> oldList, Map<Id, Product_Register__c> oldMap) {
		List<String> prcList = new List<String>();
		for (Product_Register__c pr : newList) {
			Product_Register__c oldpr = oldMap.get(pr.Id);
			//有效期的始与终变了,就把这个产品注册证的id放入一个List集合里面
			//if (pr.ValidTo__c != oldpr.ValidTo__c || pr.ValidFrom__c != oldpr.ValidFrom__c) {
			    prcList.add(pr.id);
			//}
		}
		//放到Map里，用于注册证更新产品
		Map<Id,Product2> prt2Map = new Map<Id,Product2>();
		//通过之前存储的Id用于关系表的查询。
		List<Product_Register_Link__c> prlList = new List<Product_Register_Link__c>();
		prlList = [select Product2__r.id,Product2__r.demoteer_Sap__c,Product2__r.Diedatvanink__c,Product_Register__r.MedPrdClass__c,Product_Register__r.Stelsedag__c,Product_Register__r.ValidTo__c,Product_Register__r.ValidFrom__c 
		from Product_Register_Link__c 
        where Product_Register__r.Id in : prcList];
        //查询出产品ID
        List<Id> pro2IdList = new  List<Id>();
        for (Product_Register_Link__c prl1: prlList) {
        	pro2IdList.add(prl1.Product2__r.id);
        }

        List<Product_Register_Link__c> prl1List = new List<Product_Register_Link__c>();
        prl1List = [select Product2__r.id,Product2__r.demoteer_Sap__c,Product2__r.Diedatvanink__c,Product_Register__r.Stelsedag__c,Product_Register__r.MedPrdClass__c,Product_Register__r.ValidTo__c,Product_Register__r.ValidFrom__c 
        from Product_Register_Link__c 
        where Product2__r.Id in : pro2IdList];

        //根据Id存放产品所属的所有注册证下的器械分类。
        Map<Id,List<String>> pro2Map = new Map<Id,List<String>>();
        //存放注册证上最前的维护日
        Map<Id,Date> prSteMap = new Map<Id,Date>();
        Map<Id,Date> prSte1Map = new Map<Id,Date>();
        if (prl1List.size()>0) {
            for (Product_Register_Link__c prl: prl1List) {
                if (pro2Map.containsKey(prl.Product2__r.Id)) {
                    pro2Map.get(prl.Product2__r.Id).add(prl.Product_Register__r.MedPrdClass__c);
                }else {
                    pro2Map.put(prl.Product2__r.Id, new List<String>());
                    pro2Map.get(prl.Product2__r.Id).add(prl.Product_Register__r.MedPrdClass__c);
                }

                if (prl.Product_Register__r.MedPrdClass__c == '1' && prl.Product_Register__r.Stelsedag__c <> null) {
                    if (prSteMap.containsKey(prl.Product2__r.Id)) {
                        if (prSteMap.get(prl.Product2__r.Id) > prl.Product_Register__r.Stelsedag__c) {
                            prSteMap.put(prl.Product2__r.Id,prl.Product_Register__r.Stelsedag__c);
                        }
                    }else {
                        prSteMap.put(prl.Product2__r.Id,prl.Product_Register__r.Stelsedag__c);
                    }
                }

                if ((prl.Product_Register__r.MedPrdClass__c == '2' || prl.Product_Register__r.MedPrdClass__c == '2') && prl.Product_Register__r.Stelsedag__c <> null) {
                    if (prSte1Map.containsKey(prl.Product2__r.Id)) {
                        if (prSte1Map.get(prl.Product2__r.Id) > prl.Product_Register__r.Stelsedag__c) {
                            prSte1Map.put(prl.Product2__r.Id,prl.Product_Register__r.Stelsedag__c);
                        }
                    }else {
                        prSte1Map.put(prl.Product2__r.Id,prl.Product_Register__r.Stelsedag__c);
                    }
                }
            }
        }
        System.debug('pro2Map='+pro2Map);
        System.debug('prSteMap='+prSteMap);
        System.debug('prSte1Map='+prSte1Map);
        //产品Id与等级类别
        Map<Id,String> prlMap = new Map<Id,String>();
        Map<Id,String> prl1Map = new Map<Id,String>();
        Map<Id,String> prl2Map = new Map<Id,String>();
        List<ID> pidList = new List<ID>();
        if (pro2Map.size()>0) {
            for (Product_Register_Link__c pr: prl1List) {
                if (pro2Map.containsKey(pr.Product2__r.Id) && (prSteMap.containsKey(pr.Product2__r.Id) || prSte1Map.containsKey(pr.Product2__r.Id))) {
                	Date stedate = prSteMap.get(pr.Product2__r.Id)==null?prSte1Map.get(pr.Product2__r.Id)==null?null:prSte1Map.get(pr.Product2__r.Id):prSte1Map.get(pr.Product2__r.Id);
                	pidList.add(pr.Product2__r.Id);
                    if (pr.Product2__r.demoteer_Sap__c <> null && pr.Product2__r.Diedatvanink__c <> null) {
                    	if (pr.Product_Register__r.Stelsedag__c <> null) {
                    	    if (pr.Product2__r.Diedatvanink__c <= stedate) {
	                           if (pr.Product2__r.demoteer_Sap__c <= pr.Product_Register__r.ValidTo__c && pr.Product2__r.demoteer_Sap__c >= pr.Product_Register__r.ValidFrom__c
	                                && pr.Product_Register__r.MedPrdClass__c == '2' || pr.Product_Register__r.MedPrdClass__c == '3') {
	                                if (prlMap.get(pr.Product2__r.Id) == null) {
	                                    prlMap.put(pr.Product2__r.Id, '二类');
	                                }else {
	                                    String Lins = prlMap.get(pr.Product2__r.Id);
	                                    Lins += '二类';
	                                    prlMap.put(pr.Product2__r.Id, Lins);
	                                }
	                            }
	                            else if (pr.Product2__r.demoteer_Sap__c <= pr.Product_Register__r.ValidTo__c && pr.Product2__r.demoteer_Sap__c >= pr.Product_Register__r.ValidFrom__c
	                                && (pr.Product_Register__r.MedPrdClass__c == '1')) {
	                                    if (prlMap.get(pr.Product2__r.Id) == null) {
	                                        prlMap.put(pr.Product2__r.Id, '一类');
	                                    }else {
	                                        String Lins = prlMap.get(pr.Product2__r.Id);
	                                    Lins += '一类';
	                                    prlMap.put(pr.Product2__r.Id, Lins);
	                                    }
	                            }else {
	                                if (prlMap.get(pr.Product2__r.Id) == null) {
	                                    prlMap.put(pr.Product2__r.Id, '非监管');
	                                }else {
	                                    String Lins = prlMap.get(pr.Product2__r.Id);
	                                    Lins += '非监管';
	                                    prlMap.put(pr.Product2__r.Id, Lins);
	                                }
	                            }
	                        }else if (pr.Product2__r.Diedatvanink__c > stedate) {
	                            if (pr.Product2__r.demoteer_Sap__c <= pr.Product_Register__r.ValidTo__c && pr.Product2__r.demoteer_Sap__c >= pr.Product_Register__r.ValidFrom__c
	                                && pr.Product_Register__r.MedPrdClass__c == '1') {
	                                if (prl1Map.get(pr.Product2__r.Id) == null) {
	                                    prl1Map.put(pr.Product2__r.Id, '一类');
	                                }else {
	                                    String Lins = prl1Map.get(pr.Product2__r.Id);
	                                    Lins += '一类';
	                                    prl1Map.put(pr.Product2__r.Id, Lins);
	                                }
	                            }else if (pr.Product2__r.demoteer_Sap__c <= pr.Product_Register__r.ValidTo__c && pr.Product2__r.demoteer_Sap__c >= pr.Product_Register__r.ValidFrom__c
	                                && pr.Product_Register__r.MedPrdClass__c == '2' || pr.Product_Register__r.MedPrdClass__c == '3') {
	                                if (prl1Map.get(pr.Product2__r.Id) == null) {
	                                    prl1Map.put(pr.Product2__r.Id, '二类');
	                                }else {
	                                    String Lins = prl1Map.get(pr.Product2__r.Id);
	                                    Lins += '二类';
	                                    prl1Map.put(pr.Product2__r.Id, Lins);
	                                }
	                            }else {
	                                if (prlMap.get(pr.Product2__r.Id) == null) {
	                                    prlMap.put(pr.Product2__r.Id, '非监管');
	                                }else {
	                                    String Lins = prlMap.get(pr.Product2__r.Id);
	                                    Lins += '非监管';
	                                    prlMap.put(pr.Product2__r.Id, Lins);
	                                }
	                            }
	                        }
                    	}else {
                    		prl2Map.put(pr.Product2__r.Id, '空');
                    	}
                    }
                }
            }
        }
        System.debug('prlMap='+prlMap);
        System.debug('prl1Map='+prl1Map);
        System.debug('prl2Map='+prl2Map);

        List<Product2> por2Lsit = new List<Product2>();
	    //查出产品的id和等级类别的字段 
	    por2Lsit = [select Id,Level_Category__c,demoteer_Sap__c,Diedatvanink__c from Product2 where Id in : pidList];
	    if (por2Lsit.size() > 0) {
	        for (Product2 pr2: por2Lsit) {
	        	if (prlMap.containsKey(pr2.Id)) {
                	if ((prlMap.get(pr2.Id).contains('二类') && prlMap.get(pr2.Id).contains('一类')) || 
	                    (!prlMap.get(pr2.Id).contains('一类') && prlMap.get(pr2.Id).contains('二类'))){
                		pr2.Level_Category__c = '二类';
	                    prt2Map.put(pr2.Id, pr2);
	                }else if (prlMap.get(pr2.Id).contains('一类') && !prlMap.get(pr2.Id).contains('二类')) {
	                	pr2.Level_Category__c = '一类';
	                    prt2Map.put(pr2.Id, pr2);
	                }else if (prlMap.get(pr2.Id).contains('非监管') && !prl2Map.containsKey(pr2.Id)) {
	                    pr2.Level_Category__c = '非监管';
	                    prt2Map.put(pr2.Id, pr2);
	                }else {
	                	pr2.Level_Category__c = null;
	                    prt2Map.put(pr2.Id, pr2);
	                }
	            }
	            if (prl1Map.containsKey(pr2.Id)) {
	                if (prl1Map.get(pr2.Id).contains('一类')) {
	                    pr2.Level_Category__c = '一类';
	                    prt2Map.put(pr2.Id, pr2);
	                }else if (prl1Map.get(pr2.Id).contains('二类') && !prl1Map.get(pr2.Id).contains('一类')) {
	                    pr2.Level_Category__c = '二类';
	                    prt2Map.put(pr2.Id, pr2);
	                }else if (prl1Map.get(pr2.Id).contains('非监管') && !prl2Map.containsKey(pr2.Id)) {
	                    pr2.Level_Category__c = '非监管';
	                    prt2Map.put(pr2.Id, pr2);
	                }else {
	                	pr2.Level_Category__c = null;
	                    prt2Map.put(pr2.Id, pr2);
	                }
	            }
	            if (pr2.demoteer_Sap__c == null || pr2.Diedatvanink__c == null) {
                	pr2.Level_Category__c = null;
                	prt2Map.put(pr2.Id, pr2);
            	}
	    	}
	    }
	    
	    System.debug('prt2Map='+prt2Map);
        if (prt2Map.size() > 0) {
           update prt2Map.values(); 
        } 
	}
}