-- 服务处理模版
local skynet = require "skynet"
local fsm = require "zeus.fsm"
local shiftimer = require "skynet.shiftimer"

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local Template = class("Template"):include(singleton)

function Template:initialize()
    self._cmds = {} -- 已注册的命令
    self._shiftimer = shiftimer.new() -- 定时器

    self._fsm = fsm.create({
        initial = "none",
        events = {{
            name = "initial",
            from = "none",
            to = "initial",
        }, {
            name = "running",
            from = "initial",
            to = "running",
        }, {
            name = "stop",
            from = "running",
            to = "stop",
        }, {
            name = "exit",
            from = "stop",
            to = "exit",
        }},
        callbacks = {
            on_initial = handler("_on_initial", self),
            on_running = handler("_on_running", self),
            on_stop = handler("_on_stop", self),
            on_exit = handler("_on_exit", self),
        },
    })

end

function Template:get_fsm()
    return self._fsm
end

function Template:_on_initial()
end

function Template:_on_running()
    self._shiftimer:star()
end

function Template:_on_stop()
end

function Template:_on_exit()
    self._shiftimer:stop()
end

function Template:reg_cmd(cmd)
    if self.m_cmds[cmd] then
        skynet.error(cmd, "was registered already")
        return
    end

    self.m_cmds[cmd] = cmd
end

function Template:reg_cmd_ex(obj, cmd, ...)
    assert(not self[cmd], "reg cmd handler exsit")
    self[cmd] = function(_, ...)
        return obj[cmd](obj, ...)
    end
    self:reg_cmd(cmd, ...)
end

function Template:get_cmd_func(cmd)
    local func = self[cmd]
    if func then
        return func
    end

    return self.m_cmds[cmd]
end

function Template:add_timer(ti, func, args)
    return self._shiftimer:add(ti * 100, func, args)
end

function Template:remove_timer(tid)
    return self._shiftimer:delete(tid)
end

return Template