class HomeController < ApplicationController
  # layout "application", except: [:index, :show]
  # skip_before_action :authenticate, only: [:index, :show, :create, :update, :destroy]

  before_action :check_user, only: :dashboard

  # Special check for only dashboard
  def check_user
    if current_user.nil?
      redirect_to root_path
    end
  end

  def current_user
    @current_user ||= Employee.find_by_token_session(session[:session_token]) if session[:session_token]
  end

  def index
    # @employees = Employee.all_emp_except_waiter.order("name asc")
    @employees = Employee.all.where("is_active = true").order("name asc")
    @roles = Employee.distinct.pluck(:role)
    # byebug
    # @roles = Lookup.collection_of("employee_roles")
    @login_form = LoginForm.new()
    render "layouts/login_dashboard", layout: false
  end

  def show
    @login_form = LoginForm.new()
    @login_form.emp_id = params[:emp_id]
    render "layouts/login", layout: false
  end

  def update
    @login_form = LoginForm.new()
    @login_form.emp_id = params[:emp_id]
    @login_form.password = params[:login_form][:password]
    @employee = Employee.login(@login_form.emp_id, @login_form.password)

    if @employee != nil
      session[:session_token] = @employee.token_session
      route_by_role(@employee)
    else
      flash[:notice] ="Invalid PIN for Employee. Please try again!"
      render :show
    end
  end

  def create
    @login_form = LoginForm.new()
    @login_form.emp_id = params[:login_form][:emp_id]
    @login_form.password = params[:login_form][:password]
    @employee = Employee.login(@login_form.emp_id, @login_form.password)

    if @employee != nil
      if @employee.is_active
        if @employee.role == "administrator"
          session[:session_token] = @employee.token_session
          redirect_to dashboard_path
        elsif @employee.role == "cashier"
          session[:session_token] = @employee.token_session
          route_by_role(@employee)
        elsif @employee.role == "manager"
          session[:session_token] = @employee.token_session
          redirect_to dashboard_path
        elsif @employee.role == "supervisor"
          session[:session_token] = @employee.token_session
          route_by_role(@employee)
          # redirect_to origami_root_path
        elsif @employee.role == "waiter"
          session[:session_token] = @employee.token_session
          route_by_role(@employee)
        elsif @employee.role == "account"
          session[:session_token] = @employee.token_session
          redirect_to reports_dailysale_index_path
        elsif @employee.role == "kitchen"
          session[:session_token] = @employee.token_session
          redirect_to oqs_root_path
        else
           render :index
        end
      else
        redirect_to root_path, :notice => "This Employee is not active"
      end
    else
      redirect_to root_path, :notice => "Username and Password doesn't match!"
    end

  end

  def dashboard
    @from, @to = get_date_range_from_params

    @shop = Shop.current_shop

    @orders = Sale.receipt_date_between(@from, @to).where("payment_status = 'new' and sale_status = 'bill'")
    @sales = Sale.receipt_date_between(@from, @to).completed

    if current_user.present? && !(current_user.role == 'administrator' || current_user.role == 'manager' || current_user.role == 'account'  || current_user.role == 'supervisor')
      if shift = ShiftSale.current_open_shift(current_user.id)
        @orders = @orders.where(shift_sale_id: shift.id)
        @sales = @sales.where(shift_sale_id: shift.id)
      end
    end

    @top_products = Sale.top_bottom_products(current_user,@from,@to,"top")
    @bottom_products = Sale.top_bottom_products(current_user,@from,@to,"bottom")
    @hourly_sales = Sale.hourly_sales(current_user,@from,@to)
    # .group_by_hour(:created_at, :time_zone => 'Asia/Rangoon',format: '%I:%p')
    # .sum(:grand_total)
    logger.debug 'hourly_sales<>><><><<<<<<>><<<><><><><><><><><><<>><'
    logger.debug @hourly_sales.to_json
    employee_sales = Sale.employee_sales(current_user,@from,@to)
                    # .sum("(CASE WHEN sp.payment_method='cash' THEN ((sp.payment_amount) - (sales.amount_changed)) ELSE (sp.payment_amount) END)")
    @employee_sales = []
    if !employee_sales.nil?
      employee_sales.each do |emp|
        emp_data = []
        if emp.payment_amount > 0
          emp_data.push([emp.e_name, emp.payment_amount])

          @employee_sales.push({'name' => emp.payment_method, 'data' => emp_data})
        end
      end
    end
    @inventories    = StockJournal.inventory_balances(@from,@to).sum(:balance)

    @total_trans    = Sale.total_trans(current_user,@from,@to)
    @total_card     = Sale.total_card_sale(current_user,@from,@to)
    @total_credit   = Sale.credit_payment(current_user,@from,@to)

    @sale_data = Array.new
    @total_payment_methods = Sale.total_payment_methods(current_user,@from,@to)

    if !@total_payment_methods.nil?
      @total_payment_methods.each do |payment|
        pay = Sale.payment_sale(payment.payment_method, current_user,@from,@to)
        @sale_data.push({payment.payment_method => pay.payment_amount})
      end
    end

    @summ_sale              = Sale.summary_sale_receipt(current_user,@from,@to)
    @total_customer, @total_dinein, @total_takeaway, @total_membership  = Sale.total_customer(current_user,@from,@to)
    # @total_other_customer   = Sale.total_other_customer(today,current_user)

    @total_order            = Sale.total_order(current_user,@from,@to)
    @total_accounts         = Account.select("accounts.id as account_id, accounts.title as title")
    @account_data = Array.new
    if !@total_accounts.nil?
      @total_accounts.each do |account|
        acc = Sale.account_data(account.account_id,current_user,@from,@to)
        if !acc.nil? && acc.cnt_acc > 0
          @account_data.push({account.title => acc.cnt_acc, account.title + '_amount' => acc.total_acc})
        end
      end
      @total_accounts = @total_accounts.reject.with_index { |x, i| @account_data[i].nil? }
    end

    @top_items         = Sale.top_items(current_user,@from,@to)
    @total_foc_items   = Sale.total_foc_items(current_user,@from,@to)

    # get printer info
    @print_settings = PrintSetting.get_precision_delimiter()
  end

  def destroy
    # clear in employee session
    Employee.logout(session[:session_token])
    session[:session_token] = nil
    # redirect_to root_path
    render :json => {:status=> "Success", :url => root_path }.to_json
  end

  def run_teamviewer
    if File.directory?("/opt/teamviewer")
      output = IO.popen('/opt/teamviewer/tv_bin/script/teamviewer')
      render :json => {:status=> true}
    else
      render :json => {:status=> false}
    end
  end

  private

  # Never trust parameters from the scary internet, only allow the white list through.
  def settings_home_params
    params.require(:login_form).permit(:emp_id, :password)
  end

  def route_by_role(employee)
    if employee.role == "administrator"
      # redirect_to dashboard_path
      shift = ShiftSale.current_open_shift(employee.id)
      if !shift.nil?
        redirect_to origami_root_path
      else
        redirect_to dashboard_path
       end
    elsif employee.role == "cashier"
      #check if cashier has existing open cashier
      shift = ShiftSale.current_open_shift(employee.id)
      if !shift.nil?
        redirect_to origami_dashboard_path
        # redirect_to origami_root_path
      else
        redirect_to new_origami_shift_path
      end
    elsif employee.role == "manager"
      redirect_to dashboard_path
    elsif employee.role == "waiter"
      redirect_to origami_dashboard_path
    elsif employee.role == "crm"
      redirect_to crm_root_path
    elsif employee.role == "supervisor"
        redirect_to origami_dashboard_path
    elsif employee.role == "account"
        redirect_to reports_dailysale_index_path
    end
  end

  def get_date_range_from_params
    if params[:from].present? && params[:to].present?
      if params[:from_time].present? && params[:to_time].present?
        from = Time.parse("#{params[:from]} #{params[:from_time]}")
        to = Time.parse("#{params[:to]} #{params[:to_time]}")
      else
        from = Time.parse(params[:from])
        to = Time.parse(params[:to]).end_of_day
      end
    else
      from = Time.now.beginning_of_day
      to = Time.now.end_of_day
    end
    return from, to
  end
end