require 'socket'
require_relative 'request'
require_relative 'route'
require_relative 'response'

# Main class for managing and talking between sub-classes during request-response cycles. Utalizes the request, route and response classes.
class HTTPServer

    # Initializes the HTTPServer object
    #
    # @param port [Int] An integer representing the port number for the http server
    # @param router [Router] The Router class holding the expected routes for the server
    def initialize(port, router)
        @port = port
        @router = router
    end

    # Starts the TCP server and begins reading for requests on the designated port. When a request comes in it turns it into a request object using the request class, and sends that to the router. It then sends the matched information to the response class.
    def start
        server = TCPServer.new(@port)
        puts "Listening on #{@port}"

        while session = server.accept
            data = ""
            while line = session.gets and line !~ /^\s*$/
                data += line
            end
            puts "RECEIVED REQUEST"
            puts "-" * 40
            puts data
            puts "-" * 40 

            request = Request.new(data)
            pp request
            
            routeReturn = @router.match_route(request)
            
            response = Response.new(routeReturn)
            response.print(session)
        end
    end
end