# frozen_string_literal: true

require 'minitest'
require 'capybara/dsl'

module Capybara
  module Minitest
    module Assertions
      ##
      # Assert text exists
      #
      # @!method assert_content
      # @!method assert_text
      #   See {Capybara::Node::Matchers#assert_text}

      ##
      # Assert text does not exist
      #
      # @!method refute_content
      # @!method assert_no_content
      # @!method refute_text
      # @!method assert_no_text
      #   See {Capybara::Node::Matchers#assert_no_text}

      ##
      # Assertion that page title does match
      #
      # @!method assert_title
      #   See {Capybara::Node::DocumentMatchers#assert_title}

      ##
      # Assertion that page title does not match
      #
      # @!method refute_title
      # @!method assert_no_title
      #   See {Capybara::Node::DocumentMatchers#assert_no_title}

      ##
      # Assertion that current path matches
      #
      # @!method assert_current_path
      #   See {Capybara::SessionMatchers#assert_current_path}

      ##
      # Assertion that current page does not match
      #
      # @!method refute_current_path
      # @!method assert_no_current_path
      #   See {Capybara::SessionMatchers#assert_no_current_path}

      %w[text no_text title no_title current_path no_current_path].each do |assertion_name|
        class_eval <<-ASSERTION, __FILE__, __LINE__ + 1
          def assert_#{assertion_name} *args
            self.assertions +=1
            subject, args = determine_subject(args)
            subject.assert_#{assertion_name}(*args)
          rescue Capybara::ExpectationNotMet => e
            raise ::Minitest::Assertion, e.message
          end
        ASSERTION
        ruby2_keywords "assert_#{assertion_name}" if respond_to?(:ruby2_keywords)
      end

      alias_method :refute_title, :assert_no_title
      alias_method :refute_text, :assert_no_text
      alias_method :refute_content, :refute_text
      alias_method :refute_current_path, :assert_no_current_path
      alias_method :assert_content, :assert_text
      alias_method :assert_no_content, :refute_text

      ##
      # Assert selector exists on page
      #
      # @!method assert_selector
      #   See {Capybara::Node::Matchers#assert_selector}

      ##
      # Assert selector does not exist on page
      #
      # @!method refute_selector
      # @!method assert_no_selector
      #   See {Capybara::Node::Matchers#assert_no_selector}

      ##
      # Assert element matches selector
      #
      # @!method assert_matches_selector
      #   See {Capybara::Node::Matchers#assert_matches_selector}

      ##
      # Assert element does not match selector
      #
      # @!method refute_matches_selector
      # @!method assert_not_matches_selector
      #   See {Capybara::Node::Matchers#assert_not_matches_selector}

      ##
      # Assert all of the provided selectors exist on page
      #
      # @!method assert_all_of_selectors
      #   See {Capybara::Node::Matchers#assert_all_of_selectors}

      ##
      # Assert none of the provided selectors exist on page
      #
      # @!method assert_none_of_selectors
      #   See {Capybara::Node::Matchers#assert_none_of_selectors}

      ##
      # Assert any of the provided selectors exist on page
      #
      # @!method assert_any_of_selectors
      #   See {Capybara::Node::Matchers#assert_any_of_selectors}

      ##
      # Assert element has the provided CSS styles
      #
      # @!method assert_matches_style
      #   See {Capybara::Node::Matchers#assert_matches_style}

      ##
      # Assert element has a matching sibling
      #
      # @!method assert_sibling
      #   See {Capybara::Node::Matchers#assert_sibling}

      ##
      # Assert element does not have a matching sibling
      #
      # @!method refute_sibling
      # @!method assert_no_sibling
      #   See {Capybara::Node::Matchers#assert_no_sibling}

      ##
      # Assert element has a matching ancestor
      #
      # @!method assert_ancestor
      #   See {Capybara::Node::Matchers#assert_ancestor}

      ##
      # Assert element does not have a matching ancestor
      #
      # @!method refute_ancestor
      # @!method assert_no_ancestor
      #   See {Capybara::Node::Matchers#assert_no_ancestor}

      %w[selector no_selector matches_style
         all_of_selectors none_of_selectors any_of_selectors
         matches_selector not_matches_selector
         sibling no_sibling ancestor no_ancestor].each do |assertion_name|
        class_eval <<-ASSERTION, __FILE__, __LINE__ + 1
          def assert_#{assertion_name} *args, &optional_filter_block
            self.assertions +=1
            subject, args = determine_subject(args)
            subject.assert_#{assertion_name}(*args, &optional_filter_block)
          rescue Capybara::ExpectationNotMet => e
            raise ::Minitest::Assertion, e.message
          end
        ASSERTION
        ruby2_keywords "assert_#{assertion_name}" if respond_to?(:ruby2_keywords)
      end

      alias_method :refute_selector, :assert_no_selector
      alias_method :refute_matches_selector, :assert_not_matches_selector
      alias_method :refute_ancestor, :assert_no_ancestor
      alias_method :refute_sibling, :assert_no_sibling

      ##
      # Assert that provided xpath exists
      #
      # @!method assert_xpath
      #   See {Capybara::Node::Matchers#has_xpath?}

      ##
      # Assert that provide xpath does not exist
      #
      # @!method refute_xpath
      # @!method assert_no_xpath
      #   See {Capybara::Node::Matchers#has_no_xpath?}

      ##
      # Assert that provided css exists
      #
      # @!method assert_css
      #   See {Capybara::Node::Matchers#has_css?}

      ##
      # Assert that provided css does not exist
      #
      # @!method refute_css
      # @!method assert_no_css
      #   See {Capybara::Node::Matchers#has_no_css?}

      ##
      # Assert that provided link exists
      #
      # @!method assert_link
      #   See {Capybara::Node::Matchers#has_link?}

      ##
      # Assert that provided link does not exist
      #
      # @!method assert_no_link
      # @!method refute_link
      #   See {Capybara::Node::Matchers#has_no_link?}

      ##
      # Assert that provided button exists
      #
      # @!method assert_button
      #   See {Capybara::Node::Matchers#has_button?}

      ##
      # Assert that provided button does not exist
      #
      # @!method refute_button
      # @!method assert_no_button
      #   See {Capybara::Node::Matchers#has_no_button?}

      ##
      # Assert that provided field exists
      #
      # @!method assert_field
      #   See {Capybara::Node::Matchers#has_field?}

      ##
      # Assert that provided field does not exist
      #
      # @!method refute_field
      # @!method assert_no_field
      #   See {Capybara::Node::Matchers#has_no_field?}

      ##
      # Assert that provided checked field exists
      #
      # @!method assert_checked_field
      #   See {Capybara::Node::Matchers#has_checked_field?}

      ##
      # Assert that provided checked_field does not exist
      #
      # @!method assert_no_checked_field
      # @!method refute_checked_field
      #   See {Capybara::Node::Matchers#has_no_checked_field?}

      ##
      # Assert that provided unchecked field exists
      #
      # @!method assert_unchecked_field
      #   See {Capybara::Node::Matchers#has_unchecked_field?}

      ##
      # Assert that provided unchecked field does not exist
      #
      # @!method assert_no_unchecked_field
      # @!method refute_unchecked_field
      #   See {Capybara::Node::Matchers#has_no_unchecked_field?}

      ##
      # Assert that provided select exists
      #
      # @!method assert_select
      #   See {Capybara::Node::Matchers#has_select?}

      ##
      # Assert that provided select does not exist
      #
      # @!method refute_select
      # @!method assert_no_select
      #   See {Capybara::Node::Matchers#has_no_select?}

      ##
      # Assert that provided table exists
      #
      # @!method assert_table
      #   See {Capybara::Node::Matchers#has_table?}

      ##
      # Assert that provided table does not exist
      #
      # @!method refute_table
      # @!method assert_no_table
      #   See {Capybara::Node::Matchers#has_no_table?}

      %w[xpath css link button field select table].each do |selector_type|
        define_method "assert_#{selector_type}" do |*args, &optional_filter_block|
          subject, args = determine_subject(args)
          locator, options = extract_locator(args)
          assert_selector(subject, selector_type.to_sym, locator, **options, &optional_filter_block)
        end
        ruby2_keywords "assert_#{selector_type}" if respond_to?(:ruby2_keywords)

        define_method "assert_no_#{selector_type}" do |*args, &optional_filter_block|
          subject, args = determine_subject(args)
          locator, options = extract_locator(args)
          assert_no_selector(subject, selector_type.to_sym, locator, **options, &optional_filter_block)
        end
        ruby2_keywords "assert_no_#{selector_type}" if respond_to?(:ruby2_keywords)
        alias_method "refute_#{selector_type}", "assert_no_#{selector_type}"
      end

      %w[checked unchecked].each do |field_type|
        define_method "assert_#{field_type}_field" do |*args, &optional_filter_block|
          subject, args = determine_subject(args)
          locator, options = extract_locator(args)
          assert_selector(subject, :field, locator, **options.merge(field_type.to_sym => true), &optional_filter_block)
        end
        ruby2_keywords "assert_#{field_type}_field" if respond_to?(:ruby2_keywords)

        define_method "assert_no_#{field_type}_field" do |*args, &optional_filter_block|
          subject, args = determine_subject(args)
          locator, options = extract_locator(args)
          assert_no_selector(
            subject,
            :field,
            locator,
            **options.merge(field_type.to_sym => true),
            &optional_filter_block
          )
        end
        ruby2_keywords "assert_no_#{field_type}_field" if respond_to?(:ruby2_keywords)
        alias_method "refute_#{field_type}_field", "assert_no_#{field_type}_field"
      end

      ##
      # Assert that element matches xpath
      #
      # @!method assert_matches_xpath
      #   See {Capybara::Node::Matchers#matches_xpath?}

      ##
      # Assert that element does not match xpath
      #
      # @!method refute_matches_xpath
      # @!method assert_not_matches_xpath
      #   See {Capybara::Node::Matchers#not_matches_xpath?}

      ##
      # Assert that element matches css
      #
      # @!method assert_matches_css
      #   See {Capybara::Node::Matchers#matches_css?}

      ##
      # Assert that element matches css
      #
      # @!method refute_matches_css
      # @!method assert_not_matches_css
      #   See {Capybara::Node::Matchers#not_matches_css?}

      %w[xpath css].each do |selector_type|
        define_method "assert_matches_#{selector_type}" do |*args, &optional_filter_block|
          subject, args = determine_subject(args)
          assert_matches_selector(subject, selector_type.to_sym, *args, &optional_filter_block)
        end
        ruby2_keywords "assert_matches_#{selector_type}" if respond_to?(:ruby2_keywords)

        define_method "assert_not_matches_#{selector_type}" do |*args, &optional_filter_block|
          subject, args = determine_subject(args)
          assert_not_matches_selector(subject, selector_type.to_sym, *args, &optional_filter_block)
        end
        ruby2_keywords "assert_not_matches_#{selector_type}" if respond_to?(:ruby2_keywords)
        alias_method "refute_matches_#{selector_type}", "assert_not_matches_#{selector_type}"
      end

    private

      def determine_subject(args)
        case args.first
        when Capybara::Session, Capybara::Node::Base, Capybara::Node::Simple
          [args.shift, args]
        when ->(arg) { arg.respond_to?(:to_capybara_node) }
          [args.shift.to_capybara_node, args]
        else
          [page, args]
        end
      end

      def extract_locator(args)
        locator, options = *args, {}
        locator, options = nil, locator if locator.is_a? Hash
        [locator, options]
      end
    end
  end
end