require_relative 'hash_methods'
require_relative 'xpath_not_found'

# TODO: Mathcers are specific to SOAP. Make generic for REST and others by using actual.api_class

# Whether response has any element with the provided value
RSpec::Matchers.define :contain_value do |expected|
  match do |actual|
    expect(actual.api_class.include_value?(actual.response, expected)).to be true
  end

  failure_message do |actual|
    "expected that #{actual.response.body} would contain value #{expected}"
  end
end

# Whether substring exists in body of response (more general than above)
RSpec::Matchers.define :include_in_body do |expected|
  match do |actual|
    expect(actual.api_class.include_in_body?(actual.response, expected)).to be true
  end

  failure_message do |actual|
    "expected that #{actual.response.body.to_xml} would contain value #{expected}"
  end
end

# Whether expected element exists in body
RSpec::Matchers.define :contain_key do |expected|
  match do |actual|
    expect(actual.response.body.include_key?(expected)).to be true
  end

  failure_message do |actual|
    "expected that #{actual.response.body} would contain key #{expected}"
  end
end

# Whether an element exists at expected xpath
RSpec::Matchers.define :have_element_at_xpath do |xpath|
  match do |exchange|
    expect { exchange[xpath] }.to_not raise_error
  end

  failure_message do |actual|
    "expected that #{actual.response.to_xml} would have element at xpath '#{xpath}'"
  end
end

# Whether an element at xpath (defined by key) has value (defined by value).
# @param [Hash] expected_hash Xpath => Value pair (e.g. '//xmlns:GetWeatherResult' => 'Data Not Found')
RSpec::Matchers.define :have_xpath_value do |expected_hash|
  match do |exchange|
    expected_hash = Hash[*expected_hash.flatten] if expected_hash.is_a?(Array) # For some reason Array was occuring
    expect(exchange[expected_hash.keys.first]).to eq expected_hash.values.first
  end

  failure_message do |actual|
    "expected that xpath '#{expected_hash.keys.first}' has value '#{expected_hash.values.first}' but was '#{actual[expected_hash.keys.first]}'"
  end

end