local skynet = require "skynet"
local queue = require "skynet.queue"
local bson = require "bson"
local socketdriver = require "skynet.socketdriver"

local serverId = tonumber(skynet.getenv("servId"))

require "shared.init"
require "skynet.manager"

local table_insert = table.insert
local pairs = pairs
local ipairs = ipairs
local string_format = string.format

local CMD, cs = {}
local log_fd, connecting = nil , false


local socket_message = {}
-- read skynet_socket.h for these macro
-- SKYNET_SOCKET_TYPE_DATA = 1
socket_message[1] = function(id, size, data)
	skynet.error(string.format("LOG SOCKET: data: ", skynet.tostring(data, size)))
	socketdriver.drop(data, size)
end

-- SKYNET_SOCKET_TYPE_CONNECT = 2
socket_message[2] = function(id, _ , addr)
	skynet.error("LOG SOCKET: connect: ", addr)
	connecting = false
end

-- SKYNET_SOCKET_TYPE_CLOSE = 3
socket_message[3] = function(id)
	skynet.error("LOG SOCKET: closed")
	connecting = false
end

-- SKYNET_SOCKET_TYPE_ERROR = 5
socket_message[5] = function(id, _, err)
	skynet.error("LOG SOCKET: error: ", err)
	connecting = false
end


skynet.register_protocol {
	name = "socket",
	id = skynet.PTYPE_SOCKET,	-- PTYPE_SOCKET = 6
	unpack = socketdriver.unpack,
	dispatch = function (_, _, t, ...)
		if socket_message[t] then
			socket_message[t](...)
		end
	end
}

function CMD.log(doc)
	if not socketdriver.send(log_fd, json.encode(doc) .. "\n") then
		if not connecting then
			CMD.open() -- 连一下试试
			socketdriver.send(log_fd, json.encode(doc) .. "\n")
		end
	end
end

function CMD.open()
	log_fd = socketdriver.connect("127.0.0.1", 5170)
	connecting = true
end

local function __init__()
	skynet.dispatch("lua", function (session, address, command, ...)
		local f = CMD[command]
		if command == "open" then
			skynet.ret(skynet.pack(f(...)))
		else
			local logType, doc, index_suffix = ...
			cs(function() f(logType, doc, index_suffix) end)
		end
	end)
	cs = queue()

	skynet.register(".log")
end

skynet.start(__init__)