require 'rails_helper'

describe Debate do
  let(:debate) { build(:debate) }

  it "should be valid" do
    expect(debate).to be_valid
  end

  it "should not be valid without an author" do
    debate.author = nil
    expect(debate).to_not be_valid
  end

  it "should not be valid without a title" do
    debate.title = nil
    expect(debate).to_not be_valid
  end

  describe "#description" do
    it "should be mandatory" do
      debate.description = nil
      expect(debate).to_not be_valid
    end

    it "should be sanitized" do
      debate.description = "<script>alert('danger');</script>"
      debate.valid?
      expect(debate.description).to eq("alert('danger');")
    end

    it "should be html_safe" do
      debate.description = "<script>alert('danger');</script>"
      expect(debate.description).to be_html_safe
    end
  end

  it "should sanitize the tag list" do
    debate.tag_list = "user_id=1"
    debate.valid?
    expect(debate.tag_list).to eq(['user_id1'])
  end

  it "should not be valid without accepting terms of service" do
    debate.terms_of_service = nil
    expect(debate).to_not be_valid
  end

  describe "#editable?" do
    let(:debate) { create(:debate) }

    it "should be true if debate has no votes yet" do
      expect(debate.total_votes).to eq(0)
      expect(debate.editable?).to be true
    end

    it "should be false if debate has votes" do
      create(:vote, votable: debate)
      expect(debate.total_votes).to eq(1)
      expect(debate.editable?).to be false
    end
  end

  describe "#editable_by?" do
    let(:debate) { create(:debate) }

    it "should be true if user is the author and debate is editable" do
      expect(debate.editable_by?(debate.author)).to be true
    end

    it "should be false if debate is not editable" do
      create(:vote, votable: debate)
      expect(debate.editable_by?(debate.author)).to be false
    end

    it "should be false if user is not the author" do
      expect(debate.editable_by?(create(:user))).to be false
    end
  end

  describe "#search" do
    let!(:economy) { create(:debate, tag_list: "Economy") }
    let!(:health)  { create(:debate, tag_list: "Health")  }

    it "returns debates tagged with params tag" do
      params = {tag: "Economy"}
      expect(Debate.search(params)).to match_array([economy])
    end

    it "returns all debates if no parameters" do
      params = {}
      expect(Debate.search(params)).to match_array([economy, health])
    end
  end

  describe '#default_order' do
    let!(:economy) { create(:debate) }
    let!(:health)  { create(:debate) }

    it "returns debates ordered by last one first" do
      expect(Debate.all).to eq([health, economy])
    end
  end

end