class Transactions::SalesController < ApplicationController
  load_and_authorize_resource except: [:create]
  before_action :set_transactions_sale, only: [:show, :edit, :update, :destroy]
  before_action :check_user

  # GET /transactions/sales
  # GET /transactions/sales.json
  def index
    
    receipt_no = params[:receipt_no]
    # from       = params[:from]
    # to         = params[:to]
    from, to  = get_date_range_from_params
    @shift = ''
    if params[:shift_name].to_i != 0
            @shift = ShiftSale.find(params[:shift_name])
    end

    if receipt_no.nil? && from.nil? && to.nil?
      if @shift.blank?
        @sales = Sale.where("NOT sale_status='new'").order("sale_id desc")
      else 
        @sales = Sale.where("NOT sale_status='new' and shift_sale_id ='#{@shift.id}'").order("sale_id desc")
      end
        @sales = Kaminari.paginate_array(@sales).page(params[:page]).per(20)
    else
        sale = Sale.search(receipt_no,from,to,@shift)
        if sale.count > 0
           @sales = sale 
           @sales = Kaminari.paginate_array(@sales).page(params[:page]).per(20)
         else
           @sales = 0
         end    
    end
    @receipt_no = receipt_no
    @from       = from
    @to         = to

    if @shift.present?
      @shift_from = @shift.shift_started_at.nil? ? '-' : @shift.shift_started_at.utc.getlocal.strftime("%e %b %I:%M%p")
      @shift_to = @shift.shift_closed_at.nil? ? '-' : @shift.shift_closed_at.utc.getlocal.strftime("%e %b %I:%M%p")
      @shift_data = @shift
    end
    
    # if receipt_no.nil? && search_date.nil?
    #      @sales = Sale.where("NOT sale_status = 'void' " ).order("sale_id desc").limit(500) 
    #      @sales = Kaminari.paginate_array(@sales).page(params[:page]).per(50)
    # else
    #     if !search_date.blank? && receipt_no.blank?  
    #       sale = Sale.where("DATE_FORMAT(receipt_date,'%d-%m-%Y') = ? and NOT sale_status = 'void' ", search_date).order("sale_id desc").limit(500).page(params[:page])
    #     elsif !search_date.blank? && !receipt_no.blank? 
    #       sale = Sale.where("receipt_no LIKE ? or DATE_FORMAT(receipt_date,'%d-%m-%Y') = ? and NOT sale_status = 'void' ", "%#{receipt_no}%", search_date).order("sale_id desc").limit(500).page(params[:page])
    #     else  
    #       sale = Sale.where("receipt_no LIKE ? and NOT sale_status = 'void' ", receipt_no).order("sale_id desc").limit(500).page(params[:page]) 
    #     end  
    #     if sale.count > 0
    #       @sales = sale 
    #       @sales = Kaminari.paginate_array(@sales).page(params[:page]).per(50)
    #     else
    #       @sales = 0
    #     end
    # end

    @sale_audits = []
    @sale_item_audits = []
    if @sales != 0
      @sales.each do |sale|
        sale_audit = SaleAudit.where("(action = 'SALEPAYMENT' or action = 'SALEVOID') and sale_id = ? and remark IS NOT NULL",sale.sale_id)
        if !sale_audit.nil?
          sale_audit.each do |audit|
            @sale_audits.push({sale.sale_id => audit.remark})
          end
        end

        sale_item_audit = SaleAudit.where("(action LIKE '%ITEM%') and sale_id = ?",sale.sale_id)
        if !sale_item_audit.nil? && sale_item_audit.count > 0
          @sale_item_audits.push({sale.sale_id => sale_item_audit.count})
        end
      end
    end

    respond_to do |format|
      format.html # index.html.erb
      format.json { render json: @sales }
    end

  end

  # GET /transactions/sales/1
  # GET /transactions/sales/1.json
  def show
   
    @sale = Sale.find(params[:id])

    @order_items = []
    @sale.sale_orders.each do |sale_order|
      order = Order.find(sale_order.order_id)
      #if (order.status == "new")
        @order_items = @order_items + order.order_items
      #end
    end

    @sale_receivables = SalePayment.where('sale_id = ?', @sale.id)
    @sale_audits = SaleAudit.where('sale_id = ?', @sale.id)

    #get customer amount
      @customer       = Customer.find(@sale.customer_id)
       @response       = Customer.get_membership_transactions(@customer)
    #end customer amount

    respond_to do |format|
      format.html # show.html.erb
      format.json { render json: @sale }
    end
  end

  # GET /transactions/sales/new
  def new
    @transactions_sale = Sale.new
  end

  # GET /transactions/sales/1/edit
  def edit
  end

  # POST /transactions/sales
  # POST /transactions/sales.json
  def create
    @transactions_sale = Sale.new(transactions_sale_params)

    respond_to do |format|
      if @transactions_sale.save
        format.html { redirect_to @transactions_sale, notice: 'Sale was successfully created.' }
        format.json { render :show, status: :created, location: @transactions_sale }
      else
        format.html { render :new }
        format.json { render json: @transactions_sale.errors, status: :unprocessable_entity }
      end
    end
  end

  # PATCH/PUT /transactions/sales/1
  # PATCH/PUT /transactions/sales/1.json
  def update
    respond_to do |format|
      if @transactions_sale.update(transactions_sale_params)
        format.html { redirect_to @transactions_sale, notice: 'Sale was successfully updated.' }
        format.json { render :show, status: :ok, location: @transactions_sale }
      else
        format.html { render :edit }
        format.json { render json: @transactions_sale.errors, status: :unprocessable_entity }
      end
    end
  end

  # DELETE /transactions/sales/1
  # DELETE /transactions/sales/1.json
  def destroy
    @transactions_sale.destroy
    respond_to do |format|
      format.html { redirect_to transactions_sales_url, notice: 'Sale was successfully destroyed.' }
      format.json { head :no_content }
    end
  end

  # date range
  PERIOD = {
    "today" => 0,
    "yesterday" => 1,
    "this_week" => 2,
    "last_week" => 3,
    "last_7" => 4,
    "this_month" => 5,
    "last_month" => 6,
    "last_30" => 7,
    "this_year" => 8,
    "last_year" => 9
  }

  def get_date_range_from_params
      period_type = params[:period_type]
      period = params[:period]
      from = params[:from]
      to = params[:to]   
      day_ref = Time.now.utc.getlocal

        if from.present? && to.present?
            f_date = DateTime.parse(from)
            t_date = DateTime.parse(to)
            f_time = Time.mktime(f_date.year,f_date.month,f_date.day,f_date.hour,f_date.min,f_date.sec)
            t_time = Time.mktime(t_date.year,t_date.month,t_date.day,t_date.hour,t_date.min,t_date.sec)
            from   = f_time.beginning_of_day.utc.getlocal
            to     = t_time.end_of_day.utc.getlocal 
        else 
            case period.to_i
              when PERIOD["today"]
                from = day_ref.beginning_of_day.utc
                to = day_ref.end_of_day.utc

              when PERIOD["yesterday"]
                from = (day_ref - 1.day).beginning_of_day.utc
                to = (day_ref - 1.day).end_of_day.utc

              when PERIOD["this_week"]
                from = Time.now.beginning_of_week.utc
                to = Time.now.utc
              when PERIOD["last_week"]
                from = (day_ref - 7.day).beginning_of_week.utc
                to = (day_ref - 7.day).end_of_week.utc
              when PERIOD["last_7"]
                from = (day_ref - 7.day).utc
                to = Time.now.utc
              when PERIOD["this_month"]
                from = Time.now.beginning_of_month.utc
                to = Time.now.utc
              when PERIOD["last_month"]
                from = (day_ref - 1.month).beginning_of_month.utc
                to = (day_ref - 1.month).end_of_month.utc
              when PERIOD["last_30"]
                from = (day_ref - 30.day).utc
                to = Time.now.utc
              when PERIOD["this_year"]
                from = Time.now.beginning_of_year.utc
                to = Time.now.utc
              when PERIOD["last_year"]
                from = (day_ref - 1.year).beginning_of_year.utc
                to = (day_ref - 1.year).end_of_year.utc
            end  
        end

      return from, to 
  end

  def check_user
    if current_user.nil?
      redirect_to root_path
    end
  end
  
  private
    # Use callbacks to share common setup or constraints between actions.
    def set_transactions_sale
      @transactions_sale = Sale.find(params[:id])
    end

    # Never trust parameters from the scary internet, only allow the white list through.
    def transactions_sale_params
      params.require(:transactions_sale).permit(:cashier_id, :cashier_name, :requested_by, :requested_at, :receipt_no, :receipt_date, :customer_id, :payment_status, :sale_status, :total_amount, :total_discount, :total_tax, :tax_type, :grand_total, :rounding_adjustment, :amount_received, :amount_changed)
    end
end