# frozen_string_literal: true

RSpec.describe Permalink do
  describe "normalization" do
    it "correctly normalizes" do
      normalizer = Permalink::Normalizer.new("/(\\/hello.*)\\?.*/\\1|/(\\/bye.*)\\?.*/\\1")

      expect(normalizer.normalize("/hello?a=1")).to eq("/hello")
      expect(normalizer.normalize("/bye?test=1")).to eq("/bye")
      expect(normalizer.normalize("/bla?a=1")).to eq("/bla?a=1")
    end
  end

  describe "new record" do
    it "strips blanks" do
      permalink = described_class.create(url: " my/old/url  ")
      expect(permalink.url).to eq("my/old/url")
    end

    it "removes leading slash" do
      permalink = described_class.create(url: "/my/old/url")
      expect(permalink.url).to eq("my/old/url")
    end
  end

  describe "target_url" do
    subject(:target_url) { permalink.target_url }

    let(:permalink) { Fabricate.build(:permalink) }
    let(:topic) { Fabricate(:topic) }
    let(:post) { Fabricate(:post, topic: topic) }
    let(:category) { Fabricate(:category) }
    let(:tag) { Fabricate(:tag) }
    let(:user) { Fabricate(:user) }

    it "returns a topic url when topic_id is set" do
      permalink.topic_id = topic.id
      expect(target_url).to eq(topic.relative_url)
    end

    it "returns nil when topic_id is set but topic is not found" do
      permalink.topic_id = 99_999
      expect(target_url).to eq(nil)
    end

    it "returns a post url when post_id is set" do
      permalink.post_id = post.id
      expect(target_url).to eq(post.url)
    end

    it "returns nil when post_id is set but post is not found" do
      permalink.post_id = 99_999
      expect(target_url).to eq(nil)
    end

    it "returns a post url when post_id and topic_id are both set" do
      permalink.post_id = post.id
      permalink.topic_id = topic.id
      expect(target_url).to eq(post.url)
    end

    it "returns a category url when category_id is set" do
      permalink.category_id = category.id
      expect(target_url).to eq("#{category.url}")
    end

    it "returns nil when category_id is set but category is not found" do
      permalink.category_id = 99_999
      expect(target_url).to eq(nil)
    end

    it "returns a post url when topic_id, post_id, and category_id are all set for some reason" do
      permalink.post_id = post.id
      permalink.topic_id = topic.id
      permalink.category_id = category.id
      expect(target_url).to eq(post.url)
    end

    it "returns a tag url when tag_id is set" do
      permalink.tag_id = tag.id
      expect(target_url).to eq(tag.full_url)
    end

    it "returns nil when tag_id is set but tag is not found" do
      permalink.tag_id = 99_999
      expect(target_url).to eq(nil)
    end

    it "returns a post url when topic_id, post_id, category_id and tag_id are all set for some reason" do
      permalink.post_id = post.id
      permalink.topic_id = topic.id
      permalink.category_id = category.id
      permalink.tag_id = tag.id
      expect(target_url).to eq(post.url)
    end

    it "returns nil when nothing is set" do
      expect(target_url).to eq(nil)
    end

    it "returns a user url when user_id is set" do
      permalink.user_id = user.id
      expect(target_url).to eq(user.full_url)
    end

    it "returns nil when user_id is set but user is not found" do
      permalink.user_id = 99_999
      expect(target_url).to eq(nil)
    end
  end
end