class BatchLineItemsController < ApplicationController
	require "csv"
	skip_before_filter  :verify_authenticity_token 
	before_action :authenticate_member!
 

	def index      
        # user_id=current_member.user_id
        @product_category_id=""
        @clients=Client.all.order('id desc')    
        @product_categories=ProductCategory.all.order('id desc')

        find_client=Client.select(:id).order('id desc').last 
        if !find_client.nil?
        	client_id=find_client.id        	 

        	find_batch=Batch.where('client_id=?',client_id).order('id desc').first
        	if !find_batch.nil?
        		@product_category_id=find_batch.product_category_id
        	end
        	sub_query="(select * from batches where client_id="+client_id.to_s+"  and product_category_id ="+@product_category_id.to_s+" )"
			@batchLineItems=BatchLineItem.joins('inner join '+sub_query+' as batches on batches.id=batch_line_items.batch_id')
										 .select('batch_line_items.*,batches.order_ref as batch_name').order('batch_line_items.id desc').page(params[:page]).per(10)
			@result_count= @batchLineItems.total_count
		else			 
			@batchLineItems=BatchLineItem.joins('inner join  batches on batches.id=batch_line_items.batch_id')
										 .select('batch_line_items.*,batches.order_ref as batch_name').order('batch_line_items.id desc').page(params[:page]).per(10)
	    	@result_count= @batchLineItems.total_count
	    end 
	end	 
	def search  
	    # user_id=current_member.user_id
	     
        batch_list=params[:batch]   
        client_id=params[:client]
        product_category_id=params[:product_category]


        @batchLineItems=nil
         
		if !batch_list.empty?			
   			sub_query="(select * from batches where id in ("+batch_list+") and  client_id="+client_id.to_s+" and product_category_id="+product_category_id.to_s+")"
   			 
			@batchLineItems=BatchLineItem.joins('inner join '+ sub_query +' as batches on batches.id=batch_line_items.batch_id')
										 .select('batch_line_items.*,batches.order_ref as batch_name').order('batch_line_items.id desc').page(params[:page]).per(10)									  
			@result_count= @batchLineItems.total_count
		else
			sub_query="(select * from batches where   client_id="+client_id.to_s+" and product_category_id="+product_category_id.to_s+")"
			@batchLineItems=BatchLineItem.joins('inner join '+ sub_query +'as batches on batches.id=batch_line_items.batch_id')
										.select('batch_line_items.*,batches.order_ref as batch_name').order('batch_line_items.id desc').page(params[:page]).per(10)									  
			@result_count= @batchLineItems.total_count
		end  
      
		# if @batchLineItems.nil?
		# 	@message="No search found!"
		# end           
	end
	def get_batch
		client_id=params[:client_id]
		product_category_id=params[:product_category_id]

	    batches=Batch.where('client_id=? and product_category_id=?',client_id,product_category_id)
	    			 .select('order_ref,id')	 
		if !batches.nil?
			render :json => { :data => batches,:status => true }
			# respond_with(data: batches,status: true)	
		# else
			# respond_with(data: nil,status: false)
		end
	end
	def export	
		batch_list=""
		@batchLineItems=nil	
		user_id=current_member.user_id

		@clients=Client.all
		@batches=Batch.where('user_id=?',user_id)	
		client_id=params[:client]
		product_category_id=params[:product_category]
		find_client=Client.find_by_id(client_id)	
		location_code=find_client.location_code
		client_name=find_client.name.downcase
		find_product=ProductCategory.find_by_id(product_category_id)
		product_name=find_product.name.downcase

		find_user=User.find_by_id(user_id)
		if !find_user.nil?
			exported_by=find_user.name
		end
		if params[:batch].present?
			batch_list=params[:batch]
		end		
			 
		if !batch_list.empty?
			res=Batch.where("client_id=? and product_category_id=? and id in (?)",client_id,product_category_id,batch_list).update_all("export_count = export_count + 1,exported_by='"+exported_by+"'")
			
			 
			sub_query= "(select * from batches where   client_id="+client_id.to_s+" and product_category_id="+ product_category_id.to_s+")"
			
			@batchLineItems = BatchLineItem.joins('inner join '+sub_query +" as batches on batches.id=batch_line_items.batch_id")
										    .joins('inner join product_categories product on product.id=batches.product_category_id')
											.where('batch_id in (?)',batch_list)
											.select("*,product.product_type_id ,product.name,'' as secret_token,'' as location")		
  		else
  			Batch.where("client_id=? ",client_id).update_all("export_count = export_count + 1,exported_by='"+exported_by+"'")
  			sub_query="(select * from batches where client_id ="+client_id+" and product_category_id="+ product_category_id+")"
  			@batchLineItems = BatchLineItem.joins('inner join '+sub_query+' as batches on batches.id=batch_line_items.batch_id')
  											.joins('inner join product_categories as product on product.id=batches.product_category_id')
  											.select("*,product.product_type_id ,product.name,'' as secret_token,'' as location")
		end	

		datestr= Time.now.strftime("%Y/%m/%d %H:%M:%S")
		filename=client_name.to_s+"_"+product_name.to_s+"_"+datestr
		respond_to do |format|	 
			format.html	
			format.csv { send_data @batchLineItems.to_csv(client_id,location_code), filename: "#{filename}.csv" }
	    end
	end	
end