package commands

import (
	lua "github.com/yuin/gopher-lua"
	"meow.tf/residentsleeper/commands"
	"meow.tf/residentsleeper/scripting/eventloop"
)

func Loader(L *lua.LState) int {
	mod := L.SetFuncs(L.NewTable(), exports)
	L.Push(mod)
	return 1
}

var exports = map[string]lua.LGFunction{
	"register": commandRegister,
}

func commandRegister(L *lua.LState) int {
	name := L.CheckString(1)

	handler := L.CheckFunction(2)

	loop := eventloop.FromState(L)

	cb := func(ctx *commands.CommandContext) {
		loop.RunOnLoop(func(L *lua.LState) {
			L.Push(handler)
			L.Push(lua.LString(ctx.User))

			for _, v := range ctx.Arguments {
				L.Push(lua.LString(v))
			}

			L.PCall(1+ctx.ArgumentCount, 0, nil)
		})
	}

	commands.Register(name, cb)

	return 0
}