require 'spec_helper'

describe Absa::H2h::Transmission::Document do
  
  before(:each) do
    @internal_section_content = [
      {type: 'header', data: {
        rec_id: "030",
        rec_status: "T",
        gen_no: "5",
        dept_code: "000006"
      }},
      {type: 'internal_account_detail', data: {
        rec_id: "031",
        rec_status: "T",
        seq_no: "1",
        account_number: "1094402524",
        id_number: "6703085829086",
        initials: "M",
        surname: "CHAUKE",
        return_code_1: "00",
        return_code_2: "00",
        return_code_3: "00",
        return_code_4: "00",
        user_ref: "1495050000600002236"
      }},
      {type: 'trailer', data: {
        rec_id: "039",
        rec_status: "T",
        no_det_recs: "1",
        acc_total: "6554885370"
      }}
    ]
    
    @hash = {type: 'document', data: [
        {type: 'header', data: {
          rec_id: "000",
          rec_status: "T",
          date: Time.now.strftime("%Y%m%d"),
          client_code: "345",
          client_name: "DOUGLAS ANDERSON",
          transmission_no: "1234567",
          destination: "0",
          th_for_use_of_ld_user: "SPECIAL TOKEN HERE"
        }},
        {
          type: 'account_holder_verification',
          data: @internal_section_content
        },
        {type: 'trailer', data: {
          rec_id: "999",
          rec_status: "T",
          no_of_recs: "7",
        }}
      ]
    }    
  end
  
  it "should only accept 0 for the destination in the document header when building an input document" do
    pending
  end
  
  it "should accept any number for the destination in the document header when building an output document" do
    pending
  end
  
  it "should raise an exception is any of the provided arguments are not strings" do
    @internal_section_content[-1][:data][:no_det_recs] = 1
    lambda {document = Absa::H2h::Transmission::Document.build(@hash[:data])}.should raise_error("no_det_recs: Argument is not a string")
  end

  it "should raise an exception if a provided field exceeds the allowed length" do
    @hash[:data][0][:data][:rec_id] = "0000"
    lambda {document = Absa::H2h::Transmission::Document.build(@hash[:data])}.should raise_error("rec_id: Input too long")
  end

  it "should raise an exception if a provided field fails to pass a specified field format" do
    @hash[:data][0][:data][:rec_id] = "100"
    lambda {document = Absa::H2h::Transmission::Document.build(@hash[:data])}.should raise_error("rec_id: Invalid data - expected 000, got 100")
  end

  it "should raise an exception if an alpha character is passed into a numeric-only field" do
    @hash[:data][0][:data][:client_code] = "1234A"
    lambda {document = Absa::H2h::Transmission::Document.build(@hash[:data])}.should raise_error("client_code: Numeric value required")
  end
  
  it "should be able to build a complete document" do
    document = Absa::H2h::Transmission::Document.build(@hash[:data])
    
    string = "000T#{Time.now.strftime("%Y%m%d")}00345DOUGLAS ANDERSON              123456700000                                                                                                                       SPECIAL TOKEN HERE  \r
030T0000005000006                                                                                                                                                                                     \r
031T00000010000000010944025246703085829086M  CHAUKE                                                      000000001495050000600002236                                                                  \r
039T0000001000000006554885370                                                                                                                                                                         \r
999T000000007                                                                                                                                                                                         \r
"
    
    document.to_s.should == string
  end
  
  context "when parsing an input file" do
    
    it "should build a valid document" do
      file_names = ['ahv_input_file.txt','eft_input_file.txt']
      
      file_names.each do |file_name|
        input_string = File.open("./spec/examples/#{file_name}", "rb").read
        document = Absa::H2h::Transmission::Document.from_s(input_string, "input")
        
        output_string = document.to_s
        output_string.should == input_string
      end
    end
    
  end
  
  context "when parsing an output file" do
    
    it "should build a valid document" do
      file_names = ['ahv_output_file.txt','eft_output_file.txt']
      
      file_names.each do |file_name|
        input_string = File.open("./spec/examples/#{file_name}", "rb").read
        document = Absa::H2h::Transmission::Document.from_s(input_string, "output")
        
        output_string = document.to_s
        output_string.should == input_string
      end
    end
    
    it "should build a valid eft credit document" do
      input_string = File.open("./spec/examples/eft_input_credit_file.txt", "rb").read
      document = Absa::H2h::Transmission::Document.from_s(input_string, "output")
      
      output_string = document.to_s
      output_string.should == input_string
    end
    
  end
  
  context "when parsing a reply file" do
    
    it "should build a valid document" do
      input_string = File.open("./spec/examples/reply_file.txt", "rb").read
      document = Absa::H2h::Transmission::Document.from_s(input_string, "reply")
      
      output_string = document.to_s
      output_string.should == input_string
    end
    
  end
  
end