module Effective
  class OrdersController < ApplicationController
    include EffectiveCartsHelper

    include Providers::Moneris if EffectiveOrders.moneris_enabled
    include Providers::Paypal if EffectiveOrders.paypal_enabled
    include Providers::Stripe if EffectiveOrders.stripe_enabled
    include Providers::StripeConnect if EffectiveOrders.stripe_connect_enabled

    layout (EffectiveOrders.layout.kind_of?(Hash) ? EffectiveOrders.layout[:orders] : EffectiveOrders.layout)

    before_filter :authenticate_user!, :except => [:paypal_postback]
    before_filter :set_page_title

    # This is the entry point for the "Checkout" buttons
    def new
      @order ||= Order.new(current_cart, current_user)

      EffectiveOrders.authorized?(self, :new, @order)

      # We're only going to check for a subset of errors on this step,
      # with the idea that we don't want to create an Order object if the Order is totally invalid
      @order.valid?

      if @order.errors[:order_items].present?
        flash[:danger] = @order.errors[:order_items].first
        redirect_to effective_orders.cart_path
      elsif @order.errors[:total].present?
        flash[:danger] = @order.errors[:total].first.gsub(EffectiveOrders.minimum_charge.to_i.to_s, view_context.price_to_currency(EffectiveOrders.minimum_charge.to_i))
        redirect_to effective_orders.cart_path
      end
    end

    def create
      @order = Order.new(current_cart, current_user)
      @order.attributes = order_params
      @order.shipping_address = @order.billing_address if @order.shipping_address_same_as_billing?

      EffectiveOrders.authorized?(self, :create, @order)

      Effective::Order.transaction do
        begin
          if @order.save_billing_address? && @order.user.respond_to?(:billing_address) && @order.billing_address.try(:empty?) == false
            @order.user.billing_address = @order.billing_address
          end

          if @order.save_shipping_address? && @order.user.respond_to?(:shipping_address) && @order.shipping_address.try(:empty?) == false
            @order.user.shipping_address = @order.shipping_address
          end

          @order.save!

          if @order.total == 0 && EffectiveOrders.allow_free_orders
            order_purchased('zero-dollar order')
          else
            redirect_to(effective_orders.order_path(@order))
          end

          return
        rescue => e
          Rails.logger.info e.message
          flash[:danger] = "An error has ocurred. Please try again. Message: #{e.message}"
          raise ActiveRecord::Rollback
        end
      end

      render :action => :new
    end

    def show
      @order = Order.find(params[:id])
      EffectiveOrders.authorized?(self, :show, @order)

      if @order.purchased? == false
        @page_title = 'Checkout'
        render(:checkout) and return
      end

    end

    def index
      redirect_to effective_orders.my_purchases_path
    end

    # Basically an index page.
    # Purchases is an Order History page.  List of purchased orders
    def my_purchases
      @orders = Order.purchased_by(current_user)

      EffectiveOrders.authorized?(self, :index, Effective::Order)
    end

    # Sales is a list of what products beign sold by me have been purchased
    def my_sales
      @order_items = OrderItem.sold_by(current_user)

      EffectiveOrders.authorized?(self, :index, Effective::Order)
    end

    # Thank you for Purchasing this Order.  This is where a successfully purchased order ends up
    def purchased # Thank You!
      @order = Order.find(params[:id])
      EffectiveOrders.authorized?(self, :show, @order)
    end

    # An error has occurred, please try again
    def declined # An error occurred!
      @order = Order.find(params[:id])
      EffectiveOrders.authorized?(self, :show, @order)
    end

    def resend_buyer_receipt
      @order = Effective::Order.find(params[:id])
      EffectiveOrders.authorized?(self, :show, @order)

      if (Effective::OrdersMailer.order_receipt_to_buyer(@order).deliver rescue false)
        flash[:success] = "Successfully resent order receipt to #{@order.user.email}"
      else
        flash[:danger] = "Unable to send order receipt"
      end

      begin
        redirect_to :back
      rescue => e
        redirect_to effective_orders.admin_orders_path
      end
    end

    def pretend_purchase
      if Rails.env.development? || EffectiveOrders.allow_pretend_purchase_in_production
        @order = Order.find(params[:id])
        EffectiveOrders.authorized?(self, :update, @order)
        order_purchased('for pretend', params[:purchased_redirect_url], params[:declined_redirect_url])
      end
    end

    protected

    def order_purchased(details = nil, redirect_url = nil, declined_redirect_url = nil)
      begin
        @order.purchase!(details)
        current_cart.try(:destroy)

        flash[:success] = "Successfully purchased order"

        redirect_to (redirect_url.presence || effective_orders.order_purchased_path(':id')).gsub(':id', @order.to_param.to_s)
      rescue => e
        flash[:danger] = "Unable to process your order.  Your card has not been charged.  Your Cart items have been restored.  Please try again.  Error Message: #{e.message}"
        redirect_to (declined_redirect_url.presence || effective_orders.cart_path).gsub(':id', @order.to_param.to_s)
      end
    end

    def order_declined(details = nil, redirect_url = nil)
      @order.decline!(details) rescue nil

      flash[:danger] = "Unable to purchase order.  Your credit card was declined by the payment processor.  Your cart items have been restored.  Please try again."

      redirect_to (redirect_url.presence || effective_orders.order_declined_path(@order)).gsub(':id', @order.id.to_s)
    end

    private

    # StrongParameters
    def order_params
      begin
        params.require(:effective_order).permit(
          :save_billing_address, :save_shipping_address, :shipping_address_same_as_billing,
          :billing_address => [:full_name, :address1, :address2, :city, :country_code, :state_code, :postal_code],
          :shipping_address => [:full_name, :address1, :address2, :city, :country_code, :state_code, :postal_code],
          :user_attributes => (EffectiveOrders.collect_user_fields || []),
          :order_items_attributes => [:stripe_coupon_id, :class, :id]
        )
      rescue => e
        params[:effective_order] || {}
      end
    end

    def set_page_title
      @page_title ||= case params[:action]
        when 'my_purchases' ; 'Order History'
        when 'my_sales'     ; 'Sales History'
        when 'purchased'    ; 'Thank You'
        when 'declined'     ; 'Unable to process payment'
        when 'show'         ; 'Order Receipt'
        else 'Checkout'
      end
    end

  end
end