class SinatraStatic

# File lib/sinatra_static.rb, line 14
def initialize(app)    
  @app = app    
end

# File lib/sinatra_static.rb, line 18
def build!(dir)
  handle_error_no_each_route! unless @app.respond_to?(:each_route)
  handle_error_dir_not_found!(dir) unless dir_exists?(dir)     
  build_routes(dir)
end

# File lib/sinatra_static.rb, line 33
def build_path(path, dir)                 
  ::FileUtils.mkdir_p(dir_for_path(path, dir))
  ::File.open(file_for_path(path, dir), 'w+') do |f| 
    f.write(get_path(path).body) 
  end    
end

# File lib/sinatra_static.rb, line 26
def build_routes(dir)
  @app.each_route do |route|     
    next unless route.verb == 'GET'      
    build_path(route.path, dir)
  end    
end

# File lib/sinatra_static.rb, line 54
def dir_exists?(dir)
  ::File.exists?(dir) && ::File.directory?(dir)
end

# File lib/sinatra_static.rb, line 58
def dir_for_path(path, dir)   
  file_for_path(path, dir).match(/(.*)\/[^\/]+$/)[1]  
end

# File lib/sinatra_static.rb, line 66
def env
  ENV['RACK_ENV']
end

# File lib/sinatra_static.rb, line 62
def file_extensions
  @@file_extensions
end

# File lib/sinatra_static.rb, line 46
def file_for_path(path, dir)
  if path.match(/[^\/\.]+.(#{file_extensions.join("|")})$/)
    ::File.join(dir, path)
  else
    ::File.join(dir, path, 'index.html')
  end
end

# File lib/sinatra_static.rb, line 40
def get_path(path)
  self.get(path).tap do |resp|      
    handle_error_non_200!(path) unless resp.status == 200           
  end
end

# File lib/sinatra_static.rb, line 82
def handle_error!(desc)    
  puts ColorString.new("failed: #{desc}").red; exit!
end

# File lib/sinatra_static.rb, line 74
def handle_error_dir_not_found!(dir)  
  handle_error!("can't find output directory: #{dir}")
end

# File lib/sinatra_static.rb, line 70
def handle_error_no_each_route!
  handle_error!("can't call app.each_route, did you include sinatra-advanced-routes?")
end

# File lib/sinatra_static.rb, line 78
def handle_error_non_200!(path)
  handle_error!("GET #{path} returned non-200 status code...")
end