class Faker::LoremFlickr

def build_url(size, format, search_terms, match_all)
  raise ArgumentError, 'Size should be specified in format 300x300' unless size =~ /^[0-9]+x[0-9]+$/
  url_parts = ['https://loremflickr.com']
  url_parts << format
  url_parts += size.split('x')
  url_parts << search_terms.compact.join(',') if search_terms.any?
  url_parts << 'all' if match_all
  url_parts.compact.join('/')
end

def colorized_image(size: '300x300', color: 'red', search_terms: ['all'], match_all: false)
  raise ArgumentError, 'Search terms must be specified for colorized images' unless search_terms.any?
  raise ArgumentError, "Supported colorizations are #{SUPPORTED_COLORIZATIONS.join(', ')}" unless SUPPORTED_COLORIZATIONS.include?(color)
  build_url(size, color, search_terms, match_all)
end

def grayscale_image(size: '300x300', search_terms: ['all'], match_all: false)
  raise ArgumentError, 'Search terms must be specified for grayscale images' unless search_terms.any?
  build_url(size, 'g', search_terms, match_all)
end

def image(size: '300x300', search_terms: [], match_all: false)
  build_url(size, nil, search_terms, match_all)
end

def pixelated_image(size: '300x300', search_terms: ['all'], match_all: false)
  raise ArgumentError, 'Search terms must be specified for pixelated images' unless search_terms.any?
  build_url(size, 'p', search_terms, match_all)
end