#!/usr/bin/env ruby

require "./#{File.dirname(__FILE__)}/../spec_helper"
require 'rubygems'
require 'reckon'
require 'pp'

describe Reckon::LedgerParser do
  before do
    @ledger = Reckon::LedgerParser.new(EXAMPLE_LEDGER)
  end

  describe "parse" do
    it "should ignore non-standard entries" do
      @ledger.entries.length.should == 5
    end

    it "should parse entries correctly" do
      @ledger.entries.first[:desc].should == "* Checking balance"
      @ledger.entries.first[:date].should == "2004/05/01"
      @ledger.entries.first[:accounts].first[:name].should == "Assets:Bank:Checking"
      @ledger.entries.first[:accounts].first[:amount].should == 1000
      @ledger.entries.first[:accounts].last[:name].should == "Equity:Opening Balances"
      @ledger.entries.first[:accounts].last[:amount].should == -1000

      @ledger.entries.last[:desc].should == "(100) Credit card company"
      @ledger.entries.last[:date].should == "2004/05/27"
      @ledger.entries.last[:accounts].first[:name].should == "Liabilities:MasterCard"
      @ledger.entries.last[:accounts].first[:amount].should == 20.24
      @ledger.entries.last[:accounts].last[:name].should == "Assets:Bank:Checking"
      @ledger.entries.last[:accounts].last[:amount].should == -20.24
    end
  end

  describe "balance" do
    it "it should balance out missing account values" do
      @ledger.balance([
          { :name => "Account1", :amount => 1000 },
          { :name => "Account2", :amount => nil }
      ]).should == [ { :name => "Account1", :amount => 1000 }, { :name => "Account2", :amount => -1000 } ]
    end

    it "it should balance out missing account values" do
      @ledger.balance([
          { :name => "Account1", :amount => 1000 },
          { :name => "Account2", :amount => 100 },
          { :name => "Account3", :amount => -200 },
          { :name => "Account4", :amount => nil }
      ]).should == [
          { :name => "Account1", :amount => 1000 },
          { :name => "Account2", :amount => 100 },
          { :name => "Account3", :amount => -200 },
          { :name => "Account4", :amount => -900 }
      ]
    end

    it "it should work on normal values too" do
      @ledger.balance([
          { :name => "Account1", :amount => 1000 },
          { :name => "Account2", :amount => -1000 }
      ]).should == [ { :name => "Account1", :amount => 1000 }, { :name => "Account2", :amount => -1000 } ]
    end
  end

  # Data

  EXAMPLE_LEDGER = (<<-LEDGER).strip
= /^Expenses:Books/
  (Liabilities:Taxes)             -0.10

~ Monthly
  Assets:Bank:Checking          $500.00
  Income:Salary

2004/05/01 * Checking balance
  Assets:Bank:Checking        $1,000.00
  Equity:Opening Balances

2004/05/01 * Investment balance
  Assets:Brokerage              50 AAPL @ $30.00
  Equity:Opening Balances

; blah
!account blah

!end

D $1,000

2004/05/14 * Pay day
  Assets:Bank:Checking          $500.00
  Income:Salary

2004/05/27 Book Store
  Expenses:Books                 $20.00
  Liabilities:MasterCard
2004/05/27 (100) Credit card company
  Liabilities:MasterCard         $20.24
  Assets:Bank:Checking
  LEDGER
end