require File.expand_path(File.dirname(__FILE__) + '/../spec_helper')

describe TimeEntry do

  before(:each) do
    User.current = users("admin")
    @example = time_entries "example"
    @default_example = time_entries "default_example"
  end

  fixtures :users
  fixtures :time_entries
  fixtures :rates
  fixtures :projects
  fixtures :issues
  fixtures :trackers
  fixtures :enumerations
  fixtures :issue_statuses

  it "should always prefer overridden_costs" do
    value = rand(500)
    @example.overridden_costs = value
    @example.overridden_costs.should == value
    @example.real_costs.should == value
    @example.save!
  end

  describe "given rate" do

    it "should return the current costs depending on the number of hours" do
      (0..100).each do |hours|
        @example.hours = hours
        @example.save!
        @example.costs.should == @example.rate.rate * hours
      end
    end

    it "should update cost if a new rate is added at the end" do
      @example.user = User.current
      @example.spent_on = Time.now
      @example.hours = 1
      @example.save!
      @example.costs.should == rates("hourly_one").rate
      hourly = HourlyRate.create! :valid_from => 1.day.ago, :rate => 1.0,
      :user => User.current, :project => rates("hourly_one").project
      @example.reload
      @example.rate.should_not == rates("hourly_one")
      @example.costs.should == hourly.rate
    end

    it "should update cost if a new rate is added in between" do
      @example.user = User.current
      @example.spent_on = 3.days.ago.to_date
      @example.hours = 1
      @example.save!
      @example.costs.should == rates("hourly_three").rate
      hourly = HourlyRate.create! :valid_from => 3.days.ago.to_date, :rate => 1.0,
      :user => User.current, :project => rates("hourly_one").project
      @example.reload
      @example.rate.should_not == rates("hourly_three")
      @example.costs.should == hourly.rate
    end

    it "should update cost if a spent_on changes" do
      @example.hours = 1
      (5.days.ago..Time.now).step(1.day) do |time|
        @example.spent_on = time.to_date
        @example.save!
        @example.costs.should == @example.user.rate_at(time, 1).rate
      end
    end

    it "should update cost if a rate is removed" do
      hourly_one = rates("hourly_one")
      @example.spent_on = hourly_one.valid_from
      @example.hours = 1
      @example.save!
      @example.costs.should == hourly_one.rate
      hourly_one.destroy
      @example.reload
      @example.costs.should == rates("hourly_three").rate
      rates("hourly_three").destroy
      @example.reload
      @example.costs.should == rates("hourly_five").rate
    end

    it "should be able to change order of rates (sorted by valid_from)" do
      hourly_one = rates("hourly_one")
      hourly_three = rates("hourly_three")
      @example.spent_on = hourly_one.valid_from
      @example.save!
      @example.rate.should == hourly_one
      hourly_one.valid_from = hourly_three.valid_from - 1.day
      hourly_one.save!
      @example.reload
      @example.rate.should == hourly_three
    end

  end

  describe "default rate" do

    it "should return the current costs depending on the number of hours" do
      (0..100).each do |hours|
        @default_example.hours = hours
        @default_example.save!
        @default_example.costs.should == @default_example.rate.rate * hours
      end
    end

    it "should update cost if a new rate is added at the end" do
      @default_example.user = users("john")
      @default_example.spent_on = Time.now.to_date
      @default_example.hours = 1
      @default_example.save!
      @default_example.costs.should == rates("default_hourly_one").rate
      hourly = DefaultHourlyRate.create! :valid_from => 1.day.ago.to_date, :rate => 1.0, :user => users("john")
      @default_example.reload
      @default_example.rate.should_not == rates("default_hourly_one")
      @default_example.costs.should == hourly.rate
    end

    it "should update cost if a new rate is added in between" do
      @default_example.user = users("john")
      @default_example.spent_on = 3.days.ago.to_date
      @default_example.hours = 1
      @default_example.save!
      @default_example.costs.should == rates("default_hourly_three").rate
      hourly = DefaultHourlyRate.create! :valid_from => 3.days.ago.to_date, :rate => 1.0, :user => users("john")
      @default_example.reload
      @default_example.rate.should_not == rates("default_hourly_three")
      @default_example.costs.should == hourly.rate
    end

    it "should update cost if a spent_on changes" do
      @default_example.hours = 1
      (5.days.ago..Time.now).step(1.day) do |time|
        @default_example.spent_on = time.to_date
        @default_example.save!
        @default_example.costs.should == @default_example.user.rate_at(time, 1).rate
      end
    end

    it "should update cost if a rate is removed" do
      default_hourly_one = rates("default_hourly_one")
      @default_example.spent_on = default_hourly_one.valid_from
      @default_example.hours = 1
      @default_example.save!
      @default_example.costs.should == default_hourly_one.rate
      default_hourly_one.destroy
      @default_example.reload
      @default_example.costs.should == rates("default_hourly_three").rate
      rates("default_hourly_three").destroy
      @default_example.reload
      @default_example.costs.should == rates("default_hourly_five").rate
    end

    it "shoud be able to switch between default hourly rate and hourly rate" do
      user = users("john")
      @default_example.rate.should == rates("default_hourly_one")
      rate = HourlyRate.create! :valid_from => 10.days.ago.to_date, :rate => 1337.0, :user => user,
      :project => rates("hourly_one").project
      @default_example.reload
      @default_example.rate.should == rate
      rate.destroy
      @default_example.reload
      @default_example.rate.should == rates("default_hourly_one")
    end

  end

end