--[[
Descripttion:节点管理
version:
Author: Neo,Huang
Date: 2022-07-05 20:33:57
LastEditors: Neo,Huang
LastEditTime: 2022-07-05 20:35:03
--]]
local baseService = require("baseService")
local nodeUtil = require("utils.nodeUtil")

local root = {}

-- 服务器心跳
function root.node_heart_beat(nodeInfo)
	if is_empty(nodeInfo) or is_empty(nodeInfo.clusterName) or is_empty(nodeInfo.nodeName) then
		return false
	end
	if root.mapCluster == nil then
		root.mapCluster = {}
	end
	if root.mapCluster[nodeInfo.clusterName] == nil then
		root.mapCluster[nodeInfo.clusterName] = {}
	end
	nodeInfo.updateTime = skynet_time()
	root.mapCluster[nodeInfo.clusterName][nodeInfo.nodeName] = nodeInfo

	-- 更新权重
	if root.mapClusterWeight == nil then
		root.mapClusterWeight = {}
	end
	local weightInfo = {}
	weightInfo.total = 0
	weightInfo.list = {}
	for k, v in pairs(root.mapCluster[nodeInfo.clusterName]) do
		local info = {}
		info.nodeName = v.nodeName
		info.min = weightInfo.total + 1
		weightInfo.total = weightInfo.total + (v.weight or 0)
		info.max = weightInfo.total
		if info.max > info.min then
			table.insert(weightInfo.list, info)
		end
	end
	root.mapClusterWeight[nodeInfo.clusterName] = weightInfo

	return true
end

-- 获取所有服务器节点
function root.get_node_info_list()
	if root.mapCluster == nil then
		return
	end
	local nodeInfoList = nil
	for k, v in pairs(root.mapCluster) do
		for _k, _v in pairs(v) do
			if nodeInfoList == nil then
				nodeInfoList = {}
			end
			table.insert(nodeInfoList, _v)
		end
	end
	return nodeInfoList
end

-- 根据集群类型获取节点
function root.user_dispatch_cluster_node(uid, clusterName)
	if is_empty(clusterName) then
		return
	end
	if root.mapCluster == nil or root.mapCluster[clusterName] == nil then
		return
	end
	-- 已分配
	if root.mapUid2NodeInfo and root.mapUid2NodeInfo[uid] and root.mapUid2NodeInfo[uid][clusterName] then
		local nodeName = root.mapUid2NodeInfo[uid][clusterName]
		if root.mapCluster[clusterName] and root.mapCluster[clusterName][nodeName] then
			return root.mapCluster[clusterName][nodeName]
		end
	end
	local rand = math.random(root.mapClusterWeight[clusterName].total)
	for k, v in ipairs(root.mapClusterWeight[clusterName].list) do
		if v.min < rand and rand <= v.max then
			if root.mapCluster[clusterName] and root.mapCluster[clusterName][v.nodeName] then
				return root.mapCluster[clusterName][v.nodeName]
			end
			break
		end
	end
end

-- 获取集群节点列表
function root.get_type_node_list(clusterName)
	return root.mapCluster[clusterName]
end

-- 热更新 - 配置
function root.update_node_config()
	for k, v in pairs(root.mapCluster) do
		for _k, _v in pairs(v) do
			nodeUtil:send_to_node(_v.nodeName, ".steward", "update_config")
		end
	end
	return true
end
-- 热更新 - 逻辑
function root.update_node_logic()
	for k, v in pairs(root.mapCluster) do
		for _k, _v in pairs(v) do
			nodeUtil:send_to_node(_v.nodeName, ".steward", "update_logic")
		end
	end
	return true
end
-- 热更新 - 协议
function root.update_node_proto()
	for k, v in pairs(root.mapCluster) do
		for _k, _v in pairs(v) do
			nodeUtil:send_to_node(_v.nodeName, ".steward", "update_proto")
		end
	end
	return true
end
-- 热更新 - 节点
function root.update_node()
	for k, v in pairs(root.mapCluster) do
		for _k, _v in pairs(v) do
			nodeUtil:send_to_node(_v.nodeName, ".steward", "update_config")
			nodeUtil:send_to_node(_v.nodeName, ".steward", "update_logic")
			nodeUtil:send_to_node(_v.nodeName, ".steward", "update_proto")
		end
	end
	return true
end

-- 玩家绑定节点
function root.user_band_node(uid, clusterName, nodeName)
	if root.mapUid2NodeInfo == nil then
		root.mapUid2NodeInfo = {}
	end
	root.mapUid2NodeInfo[uid] = {}
	root.mapUid2NodeInfo[uid][clusterName] = nodeName

	-- 在线人数
	if root.totalPlayers == nil then
		root.totalPlayers = 0
	end
	root.totalPlayers = root.totalPlayers + 1
end
-- 玩家解绑节点
function root.user_unband_node(uid, clusterName)
	if root.mapUid2NodeInfo == nil then
		root.mapUid2NodeInfo = {}
	end
	root.mapUid2NodeInfo[uid][clusterName] = nil

	-- 在线人数
	if root.totalPlayers == nil then
		root.totalPlayers = 0
	end
	root.totalPlayers = math.max(0, root.totalPlayers - 1)
end

function root.onStart()
	-- 初始化随机种子
	math.randomseed(tostring(skynet_time()):reverse():sub(1, 6))
end

baseService.start(root, ".srvNodeMgr", true)