# frozen_string_literal: true

require "test_helper"
require "webrick"
require "debug"

class TestMoviehash < Minitest::Test
  def setup
    @file_path = File.expand_path("test/files", Dir.pwd) # Set absolute path
    @port = find_available_port

    @webrick = WEBrick::HTTPServer.new(
      Port: @port,
      AccessLog: [],
      Logger: WEBrick::Log.new(File::NULL)
    )

    @webrick.mount "/files", WEBrick::HTTPServlet::FileHandler, @file_path

    @thread = Thread.new { @webrick.start }

    # Give the server a moment to start
    sleep 0.1
  end

  def teardown
    @webrick.shutdown
    @thread.join
  end

  def test_cases
    {
      "breakdance.avi" => "8e245d9679d31e12",
      "dummy.bin" => "61f7751fc2a72bfb"
    }
  end

  def test_that_it_has_a_version_number
    refute_nil ::Moviehash::VERSION
  end

  def test_hash_calc
    # wget https://static.opensubtitles.org/addons/avi/dummy.rar ; unrar x dummy.rar
    # wget https://static.opensubtitles.org/addons/avi/breakdance.avi

    test_cases.each do |file, hash|
      assert_equal hash, Moviehash.compute_hash("test/files/#{file}")
    end
  end

  def test_hash_calc_url
    File.expand_path("files", __dir__)
    # test_cases.each do |file, hash|
    #  FakeWeb.register_uri(:get, "http://example.com/#{file}", :body => File.join(file_path, file) )
    #  FakeWeb.register_uri(:head, "http://example.com/#{file}", :content_length => File.size( File.join(file_path, file)) )
    # end

    test_cases.each do |file, hash|
      uri = URI.parse("http://localhost:#{@port}/files/#{file}")
      assert_equal hash, Moviehash.compute_hash(uri.to_s)
    end
  end

  private

  def find_available_port
    server = TCPServer.new("127.0.0.1", 0)
    port = server.addr[1]
    server.close
    port
  end
end