/**
    * ─────────────────────────────────────────────────────────────────────────────────────────────────┐
    * This Batch class is use for upsert Shopify's Inventory into the Salesfroce   
    * 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>
    * ────────────────────────────────────────────────────────────────────────────────────────────────── 
    */
global with sharing class FetchInventoryWebhook implements Database.Batchable<String>, Database.allowscallouts, Database.Stateful{
    
    String inventoryItemId;
    String inventoryLevelResponse;
    List<HIC_ShopifySync__HIC_Configuration__c >  configurationList;
    String store = 'Default';
    
    public FetchInventoryWebhook(String inventoryItemId, String inventoryLevelResponse, List<HIC_ShopifySync__HIC_Configuration__c >  configurationList,String store){
        
        this.inventoryItemId = inventoryItemId;
        this.inventoryLevelResponse = inventoryLevelResponse;
        this.configurationList = configurationList;
        this.store = store;  
        
    }
    
    global Iterable<String> start(Database.BatchableContext bc){ 
        

        if(configurationList.isEmpty()){
            return new List<String>(); // No configuration found, exit batch job
       }
        String inventoryItemResponse = '';
        List <String>  responseList = new List <String>();
        if(!configurationList.isEmpty()){
       
        if(!Test.IsRunningTest()){
            inventoryItemResponse = HIC_ShopifyUtility.fetchAllDataUsingId('inventory_items.json?ids='+inventoryItemId+'.json',configurationList);
        }else{
            inventoryItemResponse = '{ "inventory_items": [ { "id": 21681651843136, "sku": "phone 6", "created_at": "2019-01-08T23:13:17-12:00", "updated_at": "2019-01-09T01:00:08-12:00", "cost": "14000.00", "tracked": true, "admin_graphql_api_id": "gid://shopify/InventoryItem/21681651843136" } ] }';
        }
    }else{
        return new List<String>();
    }
        responseList.add(inventoryItemResponse);
        
        return responseList;
    }
    
    global void execute(Database.BatchableContext bc , List<String> scope){
        Map<String, Object> meta = (Map<String, Object>) JSON.deserializeUntyped(scope[0]);
        List<Object> objectList = (List<Object>) meta.get('inventory_items');
        list<HIC_ShopifySync__Inventory__c> listofInventoryItemExist = new list<HIC_ShopifySync__Inventory__c>();
        
        if(inventoryItemId !='' && inventoryItemId != null){
            String Inventoryquery = 'Select '+CheckAccessibility.isAccessible('id,HIC_ShopifySync__Shopify_Id__c','HIC_ShopifySync__Inventory__c')    +' from HIC_ShopifySync__Inventory__c Where '+CheckAccessibility.isAccessible('HIC_ShopifySync__Shopify_Id__c','HIC_ShopifySync__Inventory__c')+' = \''+ inventoryItemId +'\' LIMIT 49999';
            listofInventoryItemExist = database.query(Inventoryquery); 
        }

        String query;
        if(listofInventoryItemExist.isEmpty() || listofInventoryItemExist == null || listofInventoryItemExist.size() == 0){
            list<HIC_ShopifySync__HIC_Field_Mapping__c> inventoryFieldsList = new list<HIC_ShopifySync__HIC_Field_Mapping__c>();
            query = 'Select '+CheckAccessibility.isAccessible('HIC_ShopifySync__SF_Field__c, HIC_ShopifySync__Shopify_Fields__c, HIC_ShopifySync__Nested__c , HIC_ShopifySync__IsSFID__c, HIC_ShopifySync__Default_Value__c ','HIC_ShopifySync__HIC_Field_Mapping__c')    +' from HIC_ShopifySync__HIC_Field_Mapping__c Where '+CheckAccessibility.isAccessible('HIC_ShopifySync__Object_Name__c','HIC_ShopifySync__HIC_Field_Mapping__c')+' = \'HIC_ShopifySync__Inventory__c\' AND '+CheckAccessibility.isAccessible('HIC_ShopifySync__Store__c','HIC_ShopifySync__HIC_Field_Mapping__c')+' = \''+store+'\' LIMIT 49999';
            inventoryFieldsList = database.query(query);
            list<HIC_ShopifySync__Inventory__c> inventoryListToupsert = HIC_ShopifyUtility.fillObjectValues(inventoryFieldsList,'HIC_ShopifySync__Inventory__c',objectList,configurationList);
            system.debug('**inventoryListToupsert--'+inventoryListToupsert);
            if(inventoryListToupsert.Isempty()) return;
            Schema.SObjectType objectType = Schema.getGlobalDescribe().get('HIC_ShopifySync__Inventory__c');
            Map<String, SObjectField> fieldMap = objectType.getDescribe().fields.getMap();
            Schema.SobjectField theField = fieldMap.get('HIC_ShopifySync__Shopify_Id__c');
            
            if(!Test.isRunningTest()){
                EmailErrorCSV.makeCsvAndSendInEmail(JSON.serialize(scope),'HIC_ShopifySync__Inventory__c',inventoryListToupsert,theField,true,store);
             } 
        }
        
        String companyTimeZone = [SELECT Id, TimeZoneSidKey FROM Organization Limit 1][0].TimeZoneSidKey;
        Map<String, Object> inventoryLevelmeta = (Map<String, Object>) JSON.deserializeUntyped(inventoryLevelResponse); 
        list<HIC_ShopifySync__HIC_Field_Mapping__c> inventoryLevelList = new list<HIC_ShopifySync__HIC_Field_Mapping__c>();
        query = '';
        query = 'Select '+CheckAccessibility.isAccessible('HIC_ShopifySync__SF_Field__c, HIC_ShopifySync__Shopify_Fields__c, HIC_ShopifySync__Nested__c , HIC_ShopifySync__IsSFID__c, HIC_ShopifySync__Default_Value__c, HIC_ShopifySync__Is_Override__c ','HIC_ShopifySync__HIC_Field_Mapping__c')+' from HIC_ShopifySync__HIC_Field_Mapping__c Where '+CheckAccessibility.isAccessible('HIC_ShopifySync__Object_Name__c','HIC_ShopifySync__HIC_Field_Mapping__c')+' = \'HIC_ShopifySync__Inventory_Level__c\' AND '+CheckAccessibility.isAccessible('HIC_ShopifySync__Store__c','HIC_ShopifySync__HIC_Field_Mapping__c')+' = \''+store+'\' LIMIT 49999';
        inventoryLevelList = database.query(query);
        String listType = 'List<' + 'HIC_ShopifySync__Inventory_Level__c' + '>'; 
        list<sobject> inventoryLevelListToupsert = (List<SObject>)Type.forName(listType).newInstance();
        if(!inventoryLevelList.isEmpty() && !inventoryLevelmeta.isEmpty()){
            inventoryLevelListToupsert.add(HIC_ShopifyUtility.processFieldTypeAndMapping(inventoryLevelList,'HIC_ShopifySync__Inventory_Level__c',inventoryLevelmeta,configurationList,companyTimeZone));
        }
        if(inventoryLevelListToupsert.Isempty()) return;
        try{
            Schema.SObjectType inventoryLevelobjectType = Schema.getGlobalDescribe().get('HIC_ShopifySync__Inventory_Level__c');
            Map<String, SObjectField> inventoryLevelfieldMap = inventoryLevelobjectType.getDescribe().fields.getMap();
            Schema.SobjectField inventoryLevelField = inventoryLevelfieldMap.get('HIC_ShopifySync__Shopify_Id__c');  
            EmailErrorCSV.makeCsvAndSendInEmail(JSON.serialize(scope),'HIC_ShopifySync__Inventory_Level__c',inventoryLevelListToupsert,inventoryLevelField,true,store);
        }catch(Exception e){
            System.debug('DML EXception '+e.getMessage()+ 'Line Number '+e.getLineNumber());
        }
    }
    
    global void finish(Database.BatchableContext bc){
       
    } 
}