/**
    * ─────────────────────────────────────────────────────────────────────────────────────────────────┐
    * This web service class is use for handle Shopify's Customer webhook response.   
    * Trigger on customer delete.
    * Shopify API Documentation: https://shopify.dev/docs/admin-api/rest/reference
    * Create Shopify Store: https://www.shopify.com/signup?itcat=identity&itterm=create-new-store
    * Shopify API Release 2020: https://www.shopify.in/partners/blog/shopify-api-release-january-2020
    * What is Person Account in Salesforce ? https://help.salesforce.com/articleView?id=account_person.htm&type=5
    * ──────────────────────────────────────────────────────────────────────────────────────────────────
    * @author         Sumit    <sumit@hicShopify.com>
    * ────────────────────────────────────────────────────────────────────────────────────────────────── 
    */
    @RestResource(UrlMapping='/DeleteCustomerFromShopify/*')
    global with sharing class DeleteCustomerFromShopify {
    
        @HttpPost
        global static void DeleteCustomer() {
            RestRequest request = RestContext.request;
            RestResponse response = RestContext.response;
            
            String store = 'Default';
            Map<String, String> params = request.params;
            if(!params.isEmpty() && params.containsKey('store') && params.get('store') != null) {
                store = params.get('store');
            }
    
            String JSONResponseBody = request.requestBody.toString().trim();
            System.debug('JSONResponseBodyCustomerDelete--->'+JSONResponseBody);
            Map<String, Object> meta = (Map<String, Object>) JSON.deserializeUntyped(JSONResponseBody);
    
            List<HIC_ShopifySync__HIC_Configuration__c> listofConfiguration = new List<HIC_ShopifySync__HIC_Configuration__c>();
            String query = 'SELECT '+CheckAccessibility.isAccessible('id, name, HIC_ShopifySync__Enable_Lead__c, HIC_ShopifySync__Update_Identified_Lead_Records__c, HIC_ShopifySync__Upsert_Lead_basis_on_Email__c, HIC_ShopifySync__Turn_on_DND_synced_Customers__c, HIC_ShopifySync__Upsert_Customer_basis_on_Email__c, HIC_ShopifySync__Upsert_Account_basis_on_Customer_Company__c, HIC_ShopifySync__Account_Contact__c, HIC_ShopifySync__Person_Account__c, HIC_ShopifySync__Default_Account__c, HIC_ShopifySync__Shopify_URL__c, HIC_ShopifySync__API_Key__c, HIC_ShopifySync__Private_Key_Password__c, HIC_ShopifySync__Opportunity__c, HIC_ShopifySync__Order__c, HIC_ShopifySync__Opportunity_Line_Item__c, HIC_ShopifySync__Order_Line_Item__c, HIC_ShopifySync__Order_Fulfillment__c', 'HIC_ShopifySync__HIC_Configuration__c') +
                            ' FROM HIC_ShopifySync__HIC_Configuration__c WHERE ' + CheckAccessibility.isAccessible('HIC_ShopifySync__Store__c', 'HIC_ShopifySync__HIC_Configuration__c') + ' = \'' + store + '\' LIMIT 1';
            listofConfiguration = Database.query(query);
    
            if(!listofConfiguration.isEmpty()) {
                if(listofConfiguration[0].HIC_ShopifySync__Enable_Lead__c || listofConfiguration[0].HIC_ShopifySync__Update_Identified_Lead_Records__c || listofConfiguration[0].HIC_ShopifySync__Upsert_Lead_basis_on_Email__c) {
                    DeleteLead(meta, listofConfiguration[0], JSONResponseBody, store);
                } else {
                    DeleteAccountContact(meta, listofConfiguration[0], JSONResponseBody, store);
                }
            }
        }
        public static void DeleteLead(Map<String, Object> meta, HIC_ShopifySync__HIC_Configuration__c config, String JSONResponseBody, String store) {
            String leadDeleteId = String.valueOf(meta.get('id'));
            List<Lead> listOfLeadForDelete = new List<Lead>();
        
            // Check if config is not null and required field is not null
            if (Schema.sObjectType.Lead.isAccessible() && 
                Schema.sObjectType.Lead.fields.HIC_ShopifySync__Shopify_id__c.isAccessible() && 
                config != null && (config.HIC_ShopifySync__Enable_Lead__c || config.HIC_ShopifySync__Update_Identified_Lead_Records__c || config.HIC_ShopifySync__Upsert_Lead_basis_on_Email__c) ){
                listOfLeadForDelete = [SELECT HIC_ShopifySync__Shopify_id__c FROM Lead WHERE HIC_ShopifySync__Shopify_id__c = :leadDeleteId LIMIT 1];
            }
        
            List<Database.DeleteResult> deleteRecordsList = new List<Database.DeleteResult>();
        
            try { 
                Boolean error = false;
        
                if (!listOfLeadForDelete.isEmpty() && CheckAccessibility.isDeletable('Lead')) {
                    deleteRecordsList = Database.delete(listOfLeadForDelete, false);
        
                    if (!deleteRecordsList.isEmpty()) {
                        EmailerrorCSV.DeleteRecords('Lead', JSONResponseBody, deleteRecordsList, listOfLeadForDelete, store);
                    }
        
                    for (Database.DeleteResult result : deleteRecordsList) { 
                        if (!result.isSuccess()) {
                            error = true;
                        }
                    }
                }
        
            } catch (Exception e) {
                System.debug('DML Error: ' + e.getMessage());
            }
        }
        
        
    
        public static void DeleteAccountContact(Map<String, Object> meta, HIC_ShopifySync__HIC_Configuration__c config, String JSONResponseBody, String store) {
            String customerShopifyIdForDelete;
            if( config != null&& !config.HIC_ShopifySync__Turn_on_DND_synced_Customers__c){ 
            if(config.HIC_ShopifySync__Person_Account__c) {
                customerShopifyIdForDelete = 'Person ' + String.valueOf(meta.get('id'));
            } else {
                customerShopifyIdForDelete = 'Business ' + String.valueOf(meta.get('id'));
            }
    
            String contactDeleteId = String.valueOf(meta.get('id'));
            
            List<Account> listOfAccountForDelete = new List<Account>();
            List<Contact> listOfContactForDelete = new List<Contact>();
    
            if(Schema.sObjectType.Account.isAccessible() && Schema.sObjectType.Account.fields.HIC_ShopifySync__Shopify_id__c.isAccessible() && (config.HIC_ShopifySync__Person_Account__c || !config.HIC_ShopifySync__Upsert_Account_basis_on_Customer_Company__c)) {
                listOfAccountForDelete = [SELECT HIC_ShopifySync__Shopify_id__c FROM Account WHERE HIC_ShopifySync__Shopify_id__c = :customerShopifyIdForDelete];
            }
    
            if(!config.HIC_ShopifySync__Person_Account__c && Schema.sObjectType.Contact.isAccessible() && Schema.sObjectType.Contact.fields.Shopify_id__c.isAccessible()) {
                listOfContactForDelete = [SELECT HIC_ShopifySync__Shopify_id__c FROM Contact WHERE HIC_ShopifySync__Shopify_id__c = :customerShopifyIdForDelete];
            }
    
            List<Database.DeleteResult> deleteRecordsList = new List<Database.DeleteResult>();
    
            try {
                Boolean error = false;
    
                if(!listOfAccountForDelete.isEmpty()) {
                    if(CheckAccessibility.isDeletable('Account')) {
                        deleteRecordsList = Database.delete(listOfAccountForDelete, false);
                        if(!deleteRecordsList.isEmpty()) {
                            EmailerrorCSV.DeleteRecords('Account', JSONResponseBody, deleteRecordsList, listOfAccountForDelete, store);
                        }
                    }
    
                    for(Database.DeleteResult result : deleteRecordsList) {
                        if(!result.isSuccess()) {
                            error = true;
                        }
                    }
    
                    deleteRecordsList.clear();
                }
    
                if(!listOfContactForDelete.isEmpty() && !error) {
                    if(CheckAccessibility.isDeletable('Contact')) {
                        deleteRecordsList = Database.delete(listOfContactForDelete, false);
                        if(!deleteRecordsList.isEmpty()) {
                            EmailerrorCSV.DeleteRecords('Contact', JSONResponseBody, deleteRecordsList, listOfContactForDelete, store);
                        }
                    }
                }
            } catch(Exception e) {
                System.debug('DML Error'+e.getMessage());
            }
        }
        }
    }