# encoding: UTF-8
require 'spec_helper'

describe Correios::Frete::Calculador do
  describe ".new" do
    context "creates with default value of" do
      before(:each) { @frete = Correios::Frete::Calculador.new }

      { :peso => 0.0,
        :comprimento => 0.0,
        :largura => 0.0,
        :altura => 0.0,
        :diametro => 0.0,
        :formato => :caixa_pacote,
        :mao_propria => false,
        :aviso_recebimento => false,
        :valor_declarado => 0.0
      }.each do |attr, value|
        it attr do
          @frete.send(attr).should == value
        end
      end
    end

    { :cep_origem => "01000-000",
      :cep_destino => "021222-222",
      :peso => 0.321,
      :comprimento => 30,
      :largura => 15,
      :altura => 2,
      :diametro => 5,
      :formato => :rolo_prisma,
      :mao_propria => true,
      :aviso_recebimento => true,
      :valor_declarado => 1.99,
      :codigo_empresa => "1234567890",
      :senha => "senha",
      :encomenda => Correios::Frete::Pacote.new
    }.each do |attr, value|
      context "when #{attr} is supplied" do
        it "sets #{attr}" do
          frete = Correios::Frete::Calculador.new(attr => value)
          frete.send(attr).should == value
        end
      end

      context "when #{attr} is supplied in a block" do
        it "sets #{attr}" do
          frete = Correios::Frete::Calculador.new { |f| f.send("#{attr}=", value) }
          frete.send(attr).should == value
        end
      end
    end
  end

  describe "#encomenda" do
    context "when encomenda is supplied" do
      before :each do
        @encomenda = Correios::Frete::Pacote.new
        @encomenda.adicionar_item(:peso => 0.3, :comprimento => 30, :largura => 15, :altura => 2)
        @encomenda.adicionar_item(:peso => 0.7, :comprimento => 70, :largura => 25, :altura => 3)
        @frete = Correios::Frete::Calculador.new :peso => 10.5,
                                                 :comprimento => 105,
                                                 :largura => 50,
                                                 :altura => 10,
                                                 :formato => :rolo_prisma,
                                                 :encomenda => @encomenda
      end

      [:peso, :comprimento, :largura, :altura, :formato].each do |attr|
        it "#{attr} returns encomenda #{attr}" do
          @frete.send(attr).should == @encomenda.send(attr)
        end
      end
    end

    context "when encomenda is not supplied" do
      before :each do
        @frete = Correios::Frete::Calculador.new :peso => 10.5,
                                                 :comprimento => 105,
                                                 :largura => 50,
                                                 :altura => 10,
                                                 :formato => :rolo_prisma
      end

      { :peso => 10.5,
        :comprimento => 105,
        :largura => 50,
        :altura => 10,
        :formato => :rolo_prisma
      }.each do |attr, value|
        it "#{attr} returns supplied #{attr}" do
          @frete.send(attr).should == value
        end
      end
    end
  end

  describe "#calcular" do
    around do |example|
      Correios::Frete.configure { |config| config.log_enabled = false }
      example.run
      Correios::Frete.configure { |config| config.log_enabled = true }
    end

    before(:each) { @frete = Correios::Frete::Calculador.new }

    context "to many services" do
      before(:each) { fake_request_for(:success_response_many_services) }

      it "creates a WebService with correct params" do
        web_service = Correios::Frete::WebService.new @frete, [:pac, :sedex]
        Correios::Frete::WebService.should_receive(:new).with(@frete, [:pac, :sedex]).and_return(web_service)
        @frete.calcular(:pac, :sedex)
      end

      it "returns all services" do
        services = @frete.calcular(:pac, :sedex)
        services.keys.size.should == 2
        services[:pac].tipo.should == :pac
        services[:sedex].tipo.should == :sedex
      end
    end

    context "to one service" do
      before(:each) { fake_request_for(:success_response_one_service) }

      it "creates a WebService with correct params" do
        web_service = Correios::Frete::WebService.new @frete, [:sedex]
        Correios::Frete::WebService.should_receive(:new).with(@frete, [:sedex]).and_return(web_service)
        @frete.calcular(:sedex)
      end

      it "returns only one service" do
        @frete.calcular(:sedex).tipo.should == :sedex
      end
    end
  end

  ["calcular", "calculate"].each do |method_name|
    Correios::Frete::Servico::AVAILABLE_SERVICES.each do |key, service|
      describe "##{method_name}_#{service[:type]}" do
        before :each do
          @frete = Correios::Frete::Calculador.new
          @servico = Correios::Frete::Servico.new

          web_service = mock(Correios::Frete::WebService, :request! => "XML")
          Correios::Frete::WebService.stub(:new).and_return(web_service)

          parser = mock(Correios::Frete::Parser, :servicos => { service[:type] => @servico })
          Correios::Frete::Parser.stub(:new).and_return(parser)
        end

        it "calculates #{service[:name]}" do
          @frete.send("#{method_name}_#{service[:type]}").should == @servico
        end

        it "returns true in respond_to?" do
          @frete.respond_to?("#{method_name}_#{service[:type]}").should be_true
        end
      end
    end

    describe "##{method_name}_servico_que_nao_existe" do
      before(:each) { @frete = Correios::Frete::Calculador.new }

      it "raises NoMethodError" do
        expect { @frete.send("#{method_name}_servico_que_nao_existe") }.to raise_error(NoMethodError)
      end

      it "returns false in respond_to?" do
        @frete.respond_to?("#{method_name}_servico_que_nao_existe").should be_false
      end
    end
  end
end