# encoding: utf-8
# frozen_string_literal: true

require 'theme_store/git_importer'

RSpec.describe ThemeStore::GitImporter do
  describe "#import" do
    let(:url) { "https://github.com/example/example.git" }
    let(:first_fetch_url) { "https://github.com/example/example.git/info/refs?service=git-upload-pack" }
    let(:trailing_slash_url) { "https://github.com/example/example/" }
    let(:ssh_url) { "git@github.com:example/example.git" }
    let(:branch) { "dev" }

    before do
      hex = "xxx"
      SecureRandom.stubs(:hex).returns(hex)

      FinalDestination::SSRFDetector
        .stubs(:lookup_and_filter_ips)
        .with("github.com")
        .returns(["192.0.2.100"])

      @temp_folder = "#{Pathname.new(Dir.tmpdir).realpath}/discourse_theme_#{hex}"
      @ssh_folder = "#{Pathname.new(Dir.tmpdir).realpath}/discourse_theme_ssh_#{hex}"
    end

    it "imports ssh urls" do
      Discourse::Utils
        .expects(:execute_command)
        .with(
          { "GIT_SSH_COMMAND" => "ssh -i #{@ssh_folder}/id_rsa -o IdentitiesOnly=yes -o IdentityFile=#{@ssh_folder}/id_rsa -o StrictHostKeyChecking=no" },
          "git", "clone", "ssh://git@github.com/example/example.git", @temp_folder, timeout: 20
        )

      importer = ThemeStore::GitImporter.new(ssh_url, private_key: "private_key")
      importer.import!
    end

    it "imports ssh urls with a particular branch" do
      Discourse::Utils
        .expects(:execute_command)
        .with(
          { "GIT_SSH_COMMAND" => "ssh -i #{@ssh_folder}/id_rsa -o IdentitiesOnly=yes -o IdentityFile=#{@ssh_folder}/id_rsa -o StrictHostKeyChecking=no" },
          "git", "clone", "--single-branch", "-b", branch, "ssh://git@github.com/example/example.git", @temp_folder, timeout: 20
        )

      importer = ThemeStore::GitImporter.new(ssh_url, private_key: "private_key", branch: branch)
      importer.import!
    end

    context "with a redirect" do
      before do
        FinalDestination
          .stubs(:resolve)
          .with(first_fetch_url, http_verb: :get)
          .returns(URI.parse("https://github.com/redirected/example.git/info/refs?service=git-upload-pack"))
      end

      it "imports http urls" do
        Discourse::Utils
          .expects(:execute_command)
          .with(
            { "GIT_TERMINAL_PROMPT" => "0" },
            "git", "-c", "http.followRedirects=false", "-c", "http.curloptResolve=github.com:443:192.0.2.100", "clone", "https://github.com/redirected/example.git", @temp_folder, timeout: 20
          )

        importer = ThemeStore::GitImporter.new(url)
        importer.import!

        expect(importer.url).to eq(url)
      end
    end

    context "without a redirect" do
      before do
        FinalDestination
          .stubs(:resolve)
          .with(first_fetch_url, http_verb: :get)
          .returns(URI.parse(first_fetch_url))
      end

      it "imports http urls" do
        Discourse::Utils
          .expects(:execute_command)
          .with(
            { "GIT_TERMINAL_PROMPT" => "0" },
            "git", "-c", "http.followRedirects=false", "-c", "http.curloptResolve=github.com:443:192.0.2.100", "clone", "https://github.com/example/example.git", @temp_folder, timeout: 20
          )

        importer = ThemeStore::GitImporter.new(url)
        importer.import!
      end

      it "imports when the url has a trailing slash" do
        Discourse::Utils
          .expects(:execute_command)
          .with(
            { "GIT_TERMINAL_PROMPT" => "0" },
            "git", "-c", "http.followRedirects=false", "-c", "http.curloptResolve=github.com:443:192.0.2.100", "clone", "https://github.com/example/example.git", @temp_folder, timeout: 20
          )

        importer = ThemeStore::GitImporter.new(trailing_slash_url)
        importer.import!
      end

      it "imports http urls with a particular branch" do
        Discourse::Utils
          .expects(:execute_command)
          .with(
            { "GIT_TERMINAL_PROMPT" => "0" },
            "git", "-c", "http.followRedirects=false", "-c", "http.curloptResolve=github.com:443:192.0.2.100", "clone", "--single-branch", "-b", branch, "https://github.com/example/example.git", @temp_folder, timeout: 20
          )

        importer = ThemeStore::GitImporter.new(url, branch: branch)
        importer.import!
      end
    end
  end
end