require_relative './lib'

class Simple < IntegrationTest
  ADDER_PACKAGE_NAME = 'testpack-adder'

  def test_update_single_package
    @prj = make_project 'using-adder'

    create_with_commit_sha
    update_to_version_1
    update_with_option_off_and_build
  end

  def create_with_commit_sha
    @prj.create_lists_with package: 'CPMAddPackage("gh:cpm-cmake/testpack-adder#cad1cd4b4cdf957c5b59e30bc9a1dd200dbfc716")'
    assert_success @prj.configure

    cache = @prj.read_cache
    assert_equal 1, cache.packages.size

    adder_cache = cache.packages[ADDER_PACKAGE_NAME]
    assert_not_nil adder_cache
    assert_equal '0', adder_cache.ver
    assert File.directory? adder_cache.src_dir
    assert File.directory? adder_cache.bin_dir

    @adder_ver_file = File.join(adder_cache.src_dir, 'version')
    assert File.file? @adder_ver_file
    assert_equal 'initial', File.read(@adder_ver_file).strip

    # calculated adder values
    assert_equal 'ON', cache['ADDER_BUILD_EXAMPLES']
    assert_equal 'ON', cache['ADDER_BUILD_TESTS']
    assert_equal adder_cache.src_dir, cache['adder_SOURCE_DIR']
    assert_equal adder_cache.bin_dir, cache['adder_BINARY_DIR']

    # store for future comparisons
    @adder_cache0 = adder_cache
  end

  def update_to_version_1
    @prj.create_lists_with package: 'CPMAddPackage("gh:cpm-cmake/testpack-adder@1.0.0")'
    assert_success @prj.configure

    cache = @prj.read_cache
    assert_equal 1, cache.packages.size

    adder_cache = cache.packages[ADDER_PACKAGE_NAME]
    assert_not_nil adder_cache
    assert_equal '1.0.0', adder_cache.ver

    # dirs shouldn't have changed
    assert_equal @adder_cache0.src_dir, adder_cache.src_dir
    assert_equal @adder_cache0.bin_dir, adder_cache.bin_dir

    assert_equal '1.0.0', File.read(@adder_ver_file).strip
  end

  def update_with_option_off_and_build
    @prj.create_lists_with package: <<~PACK
      CPMAddPackage(
        NAME testpack-adder
        GITHUB_REPOSITORY cpm-cmake/testpack-adder
        VERSION 1.0.0
        OPTIONS "ADDER_BUILD_TESTS OFF"
      )
    PACK
    assert_success @prj.configure
    assert_success @prj.build

    exe_dir = File.join(@prj.bin_dir, 'bin')
    assert File.directory? exe_dir

    exes = Dir[exe_dir + '/**/*'].filter {
      # on multi-configuration generators (like Visual Studio) the executables will be in bin/<Config>
      # also filter-out other articacts like .pdb or .dsym
      !File.directory?(_1) && File.stat(_1).executable?
    }.map {
      # remove .exe extension if any (there will be one on Windows)
      File.basename(_1, '.exe')
    }.sort

    # we should end up with two executables
    # * simple - the simple example from adder
    # * using-adder - for this project
    # ...and notably no test for adder, which must be disabled from the option override from above
    assert_equal ['simple', 'using-adder'], exes
  end
end