--[[
Descripttion:邮件服务
version:
Author: Neo,Huang
Date: 2022-08-17 16:04:20
LastEditors: Neo,Huang
LastEditTime: 2022-08-20 15:18:25
--]]
local timer = require("timer")
local baseService = require("baseService")
local util_mail = require("utils.util_mail")
local lib_game_mysql = require("lib_game_mysql")
local bagData = require("data.bag")

local timerDelExpireMail = nil
local timerExpireMail = nil

local CMD = {}

-- 清理过期邮件
-- 过期后保留30天 - 永久邮件保留
local function l_del_expire_mail()
	-- 全服/渠道邮件且有过期时间要马上删除
	local currTime = skynet_time()
	local sql =
		string.format(
		"delete from mdl_mail where (uid=0 or uid=-1) and expireTime >0 and expireTime < %s;",
		tostring(currTime)
	)
	local ret = lib_game_mysql:query(sql)
	log.info("l_del_expire_mail sql[%s] ret[%s]", tostring(sql), tostring(ret))

	-- 删除保留邮件
	local expireTime = currTime - 3600 * 24 * 30
	sql = string.format("delete from mdl_mail where expireTime >0 and expireTime < %s;", tostring(expireTime))
	ret = lib_game_mysql:query(sql)
	log.info("l_del_expire_mail sql[%s] ret[%s]", tostring(sql), tostring(ret))
end

-- 过期且有物品未领取
local function l_expire_items_mail()
	local currTime = skynet_time()
	local sql =
		string.format(
		"SELECT * FROM `mdl_mail` WHERE expireTime < %s and JSON_LENGTH(items) > 0 limit 100;",
		tostring(currTime)
	)
	log.info("l_expire_items_mail sql[%s]", tostring(sql))

	local ret = lib_game_mysql:query(sql)
	if ret.errno and ret.errno > 0 then
		log.error("l_expire_items_mail 获取过期物品邮件列表失败 ret[%s] sql[%s]", tostring(ret), tostring(sql))
		return
	end
	if not is_empty(ret) then
		for k, v in ipairs(ret) do
			local id = tonumber(v.id)
			local uid = tonumber(v.uid)
			-- 玩家邮件且未领取
			if not is_robot(uid) and not util_mail:user_is_awarded_mail(uid, id) then
				util_mail:user_add_award_mail(uid, id)
				-- 发放邮件物品
				local items = cjson_decode(v.items)
				local keyEvent = string.format("mail-expire-award-%s", tostring(id))
				bagData:add_items(uid, items, keyEvent)
			end
		end
	end
end

function CMD.onStart()
	timerDelExpireMail = timer.timeOut(60, l_del_expire_mail)
	timerExpireMail = timer.timeOut(60, l_expire_items_mail)
end

function CMD.onStop()
	-- 取消定时器
	timerDelExpireMail.func = nil

	timerExpireMail.func = nil
end

baseService.start(CMD, ".mailCenter", true)