package state

type Setter struct {
	K     string
	T     int8 // 1 kv, 2 array, 3 slice, 4 map, 5 struct, 6 slice append
	V     any
	Index int
	K2    string
}

func SetArray(index int, v any) Setter {
	return Setter{
		T:     2,
		V:     v,
		Index: index,
	}
}

func SetSlice(index int, v any) Setter {
	return Setter{
		T:     3,
		V:     v,
		Index: index,
	}
}

func SetMap(k2 string, v any) Setter {
	return Setter{
		T:  4,
		V:  v,
		K2: k2,
	}
}

func SetStruct(k2 string, v any) Setter {
	return Setter{
		T:  5,
		V:  v,
		K2: k2,
	}
}

// SetSliceAppend 在元素结尾添加
func SetSliceAppend(v any) Setter {
	return Setter{
		T: 6,
		V: v,
	}
}

// SetSlicePopN 从结尾弹出n个元素
func SetSlicePopN(count int) Setter {
	return Setter{
		T:     7,
		Index: count,
	}
}

// SetSliceShiftN 从开头弹出n个元素
func SetSliceShiftN(count int) Setter {
	return Setter{
		T:     8,
		Index: count,
	}
}