require "http/web_socket"
require "option_parser"

require "ipc"
require "./colors"
require "./utils"
require "./lib_modifications.cr"

class CLI
	class_property uri = "ws://localhost:1234/pong"
	class_property rounds = 1
end

OptionParser.parse do |parser|
	parser.on "-u uri", "--uri uri", "URI" do |opturi|
		CLI.uri = opturi
	end

	parser.on "-r rounds", "--rounds nb-messages", "Nb messages to send." do |opt|
		CLI.rounds = opt.to_i
	end

	parser.on "-h", "--help", "Show this help" do
		puts parser
		exit 0
	end
end

def read_then_print(ws : WebSocket)
	m = read ws
	puts "message: #{String.new(m)}"
end

def read_then_print_hexa(ws : WebSocket)
	m = read ws
	print_hexa(String.new(m), "#{CBLUE}Received message hexa#{CRESET}")
end

def read(ws : WebSocket)
	puts "reading a message"
	m = ws.run_once
	if m.nil?
		raise "empty message"
	end

	m
end

def send_with_announce(ws : WebSocket, m : String)
	puts "sending #{m}"
	send ws, m
end

def send(ws : WebSocket, m : String | Slice)
	ws.send m
end

begin
	ws = WebSocket.new(URI.parse(CLI.uri))
	puts "connection done: sending pong"

	ws.on_close do |socket|
		puts "socket is closing"
		exit 0
	end

	message = if CLI.uri.ends_with? ".JSON"
		IPC::Message.new(0, 2.to_u8, 3.to_u8, STDIN.gets_to_end).to_json
	else
		IPC::Message.new(0, 2.to_u8, 3.to_u8, STDIN.gets_to_end).to_packet
	end

	puts "final message: #{message}"
	CLI.rounds.times do |i|
		send ws, message
		pp! read ws
	end

	ws.close
	# pp! ws.run_once
rescue e
	puts "Exception: #{e}"
end