package TPLinkClient

// Most of the protocol implementation is from:
// https://github.com/philippechataignon/smrt/blob/master/protocol.py

var KEY = []byte{191, 155, 227, 202, 99, 162, 79, 104, 49, 18, 190, 164, 30,
	76, 189, 131, 23, 52, 86, 106, 207, 125, 126, 169, 196, 28, 172, 58,
	188, 132, 160, 3, 36, 120, 144, 168, 12, 231, 116, 44, 41, 97, 108,
	213, 42, 198, 32, 148, 218, 107, 247, 112, 204, 14, 66, 68, 91, 224,
	206, 235, 33, 130, 203, 178, 1, 134, 199, 78, 249, 123, 7, 145, 73,
	208, 209, 100, 74, 115, 72, 118, 8, 22, 243, 147, 64, 96, 5, 87, 60,
	113, 233, 152, 31, 219, 143, 174, 232, 153, 245, 158, 254, 70, 170,
	75, 77, 215, 211, 59, 71, 133, 214, 157, 151, 6, 46, 81, 94, 136,
	166, 210, 4, 43, 241, 29, 223, 176, 67, 63, 186, 137, 129, 40, 248,
	255, 55, 15, 62, 183, 222, 105, 236, 197, 127, 54, 179, 194, 229,
	185, 37, 90, 237, 184, 25, 156, 173, 26, 187, 220, 2, 225, 0, 240,
	50, 251, 212, 253, 167, 17, 193, 205, 177, 21, 181, 246, 82, 226,
	38, 101, 163, 182, 242, 92, 20, 11, 95, 13, 230, 16, 121, 124, 109,
	195, 117, 39, 98, 239, 84, 56, 139, 161, 47, 201, 51, 135, 250, 10,
	19, 150, 45, 111, 27, 24, 142, 80, 85, 83, 234, 138, 216, 57, 93,
	65, 154, 141, 122, 34, 140, 128, 238, 88, 89, 9, 146, 171, 149, 53,
	102, 61, 114, 69, 217, 175, 103, 228, 35, 180, 252, 200, 192, 165,
	159, 221, 244, 110, 119, 48}

var PACKET_END = []byte{0xff, 0xff, 0x00, 0x00}

type TPLinkClient struct {
	switchMacAddr []byte
	header        PacketHeader
}

type PacketHeader struct {
	Version        uint8
	OpCode         uint8
	SwitchMAC      [6]byte
	HostMAC        [6]byte
	SequenceID     int16
	ErrorCode      int32
	CheckLength    int16
	FragmentOffset int16
	Flag           int16
	TokenID        int16
	Checksum       int32
}

// OP-Codes
const (
	Discovery uint8 = iota
	Get
	Set
	Login
	Return
	Read5
)

type PayloadType struct {
	Id       uint16
	Name     string
	DataType string
}

type PayloadItem struct {
	Type  PayloadType
	Value []byte
}

type StatsData struct {
	Port       uint8
	Enabled    bool
	LinkStatus uint8
	TxGoodPkt  uint32
	TxBadPkt   uint32
	RxGoodPkt  uint32
	RxBadPkt   uint32
}

type InfoData struct {
	Type      string
	Hostname  string
	Mac       string
	Firmware  string
	Hardware  string
	DHCP      bool
	IPAddr    string
	IPMask    string
	Gateway   string
	AutoSave  bool
	IsFactory bool
}

var payloadTypes = []PayloadType{
	{1, "type", "str"},
	{2, "hostname", "str"},
	{3, "mac", "hex"},
	{4, "ip_addr", "ip"},
	{5, "ip_mask", "ip"},
	{6, "gateway", "ip"},
	{7, "firmware", "str"},
	{8, "hardware", "str"},
	{9, "dhcp", "bool"},
	{13, "auto_save", "bool"},
	{14, "is_factory", "bool"},

	{16384, "stats", "stat"},
}