using UnityEngine;
using System.Collections;
using System;

public class PacketManager
{

    private static byte[] outStreamBuffer;

    //packet id 1
    //sends player update
    public static void sendPlayerUpdatePacket(float x, float y, float z, float rotationY, float lookAngle, float animX, float animZ, float magnitude, byte flag)
    {
        //Debug.LogWarning("Send Player Packet " + playerId + ", x " + x + " y " + y + " z " + z);
        byte packetSize = 34;
        outStreamBuffer = new byte[packetSize];
        int bufferPosition = 0;
        WriteByte(43, ref bufferPosition);
        WriteFloat(x, ref bufferPosition);
        WriteFloat(y, ref bufferPosition);
        WriteFloat(z, ref bufferPosition);
        WriteFloat(rotationY, ref bufferPosition);
        WriteFloat(lookAngle, ref bufferPosition);
        WriteFloat(animX, ref bufferPosition);
        WriteFloat(animZ, ref bufferPosition);
        WriteFloat(magnitude, ref bufferPosition);
        WriteByte(flag, ref bufferPosition);
        GISocket.Instance.addToOutStream(outStreamBuffer);
    }

    public static void sendLogoutPacket()
    {
        byte packetSize = 1;
        const byte packetId = 2;
        int bufferPosition = 0;
        outStreamBuffer = new byte[packetSize];
        WriteByte(packetId, ref bufferPosition);
        GISocket.Instance.addToOutStream(outStreamBuffer);
    }

    //packet id 3 send chat message
    public static void sendChatMessage(string message)
    {
        int bufferPosition = 0;
        int packetSize = 2 + message.Length;
        outStreamBuffer = new byte[packetSize];
        const byte packetId = 3;
        WriteByte(packetId, ref bufferPosition);
        WriteString(message, ref bufferPosition);
        GISocket.Instance.addToOutStream(outStreamBuffer);
    }

    //packet id 4 send player shot
    public static void sendPlayerShot(Vector3 origin, Vector3 direction, int[] hitFlag, Vector3[] impact, string[] gameObjectHit, int[] entityId, int [] hitSheild)
    {
        int bufferPosition = 0;
        //int packetSize = 33;
        //packetSize += 25;
        int packetSize = 26;
        for (int i = 0; i < hitFlag.Length; i++)
        {
            //packetSize += 4 + 1 + 12 + gameObjectHit[i].Length + 1 + 4;
            packetSize += 25 + gameObjectHit[i].Length;
        }


        outStreamBuffer = new byte[packetSize];
        const byte packetId = 54;
        WriteByte(packetId, ref bufferPosition);

        WriteFloat(origin.x, ref bufferPosition);
        WriteFloat(origin.y, ref bufferPosition);
        WriteFloat(origin.z, ref bufferPosition);

        WriteFloat(direction.x, ref bufferPosition);
        WriteFloat(direction.y, ref bufferPosition);
        WriteFloat(direction.z, ref bufferPosition);

        WriteByte((byte)hitFlag.Length, ref bufferPosition);

        for (int i = 0; i < hitFlag.Length; i++)
        {
            WriteInt(hitFlag[i], ref bufferPosition);

            WriteFloat(impact[i].x, ref bufferPosition);
            WriteFloat(impact[i].y, ref bufferPosition);
            WriteFloat(impact[i].z, ref bufferPosition);
            WriteString(gameObjectHit[i], ref bufferPosition);
            WriteInt(entityId[i], ref bufferPosition);
            WriteInt(hitSheild[i], ref bufferPosition);
        }

        
        GISocket.Instance.addToOutStream(outStreamBuffer);
    }

    //packet id 5 - login request
    public static void sendLoginRequest(string username, string password)
    {
        String macAddress = Client.Instance.getMacAddress();
		GISocket.Instance.clearOutStream();
        int bufferPosition = 0;
        const byte packetId = 55;
        int packetSize = 9 + Config.CLIENT_VERSION.Length + username.Length + password.Length + macAddress.Length;
        outStreamBuffer = new byte[packetSize];
        WriteByte(packetId, ref bufferPosition);
        WriteInt(1, ref bufferPosition);
        WriteString(Config.CLIENT_VERSION, ref bufferPosition);
        WriteString(username, ref bufferPosition);
        WriteString(password, ref bufferPosition);
        WriteString(macAddress, ref bufferPosition);
        GISocket.Instance.addToOutStream(outStreamBuffer);
        //clear the outstream
        
        GISocket.Instance.pushOutStream();
        
        //print message
       // Debug.Log("Sending login request " + username + " " + password);
	}
    
    //packet id 6 send chat message
    public static void sendButtonClick(string buttonName)
    {
        int bufferPosition = 0;
        int packetSize = buttonName.Length + 4 + 1;
        outStreamBuffer = new byte[packetSize];
        const byte packetId = 6;
        WriteByte(packetId, ref bufferPosition);
        WriteLongString(buttonName, ref bufferPosition);
        GISocket.Instance.addToOutStream(outStreamBuffer);
    }


    //packet 8 click object
    public static void sendObjectClick(string objectName, int x, int y)
    {
        int bufferPosition = 0;
        int packetSize = objectName.Length + 10;
        const byte packetId = 41;
        outStreamBuffer = new byte[packetSize];
        WriteByte(packetId, ref bufferPosition);
        WriteString(objectName, ref bufferPosition);
        WriteInt(x, ref bufferPosition);
        WriteInt(y, ref bufferPosition);
        GISocket.Instance.addToOutStream(outStreamBuffer);
    }

    //packet 9 drop item
    public static void sendDropItem(int itemId, int slot)
    {
        int bufferPosition = 0;
        int packetSize = 9;
        const byte packetId = 42;
        outStreamBuffer = new byte[packetSize];
        WriteByte(packetId, ref bufferPosition);
        WriteInt(itemId, ref bufferPosition);
        WriteInt(slot, ref bufferPosition);
        GISocket.Instance.addToOutStream(outStreamBuffer);
    }

    //packet 10 move item in inventory
    public static void sendMoveItem(int from, int to, int inventoryOrBank)
    {
        int bufferPosition = 0;
        int packetSize = 13;
        const byte packetId = 44;
        outStreamBuffer = new byte[packetSize];
        WriteByte(packetId, ref bufferPosition);
        WriteInt(from, ref bufferPosition);
        WriteInt(to, ref bufferPosition);
        WriteInt(inventoryOrBank, ref bufferPosition);
        GISocket.Instance.addToOutStream(outStreamBuffer);
    }

    public static void sendClickItem(int itemId, int slot)
    {
        int bufferPosition = 0;
        int packetSize = 9;
        const byte packetId = 45;
        outStreamBuffer = new byte[packetSize];
        WriteByte(packetId, ref bufferPosition);
        WriteInt(itemId, ref bufferPosition);
        WriteInt(slot, ref bufferPosition);
        GISocket.Instance.addToOutStream(outStreamBuffer);
    }

    public static void sendPickupItem(int itemId, int x, int y)
    {
        int bufferPosition = 0;
        int packetSize = 13;
        const byte packetId = 46;
        outStreamBuffer = new byte[packetSize];
        WriteByte(packetId, ref bufferPosition);
        WriteInt(itemId, ref bufferPosition);
        WriteInt(x, ref bufferPosition);
        WriteInt(y, ref bufferPosition);
        GISocket.Instance.addToOutStream(outStreamBuffer);
    }

    public static void sendUnequipItem(int slot)
    {
        int bufferPosition = 0;
        int packetSize = 2;
        const byte packetId = 47;
        outStreamBuffer = new byte[packetSize];
        WriteByte(packetId, ref bufferPosition);
        WriteByte((byte)slot, ref bufferPosition);
        GISocket.Instance.addToOutStream(outStreamBuffer);
    }

    public static void sendPing(float x, float y, float z, String parent)
    {
        int bufferPosition = 0;
        int packetSize = 14 + parent.Length;
        const byte packetId = 48;

        outStreamBuffer = new byte[packetSize];

        WriteByte(packetId, ref bufferPosition);
        WriteFloat(x, ref bufferPosition);
        WriteFloat(y, ref bufferPosition);
        WriteFloat(z, ref bufferPosition);
        WriteString(parent, ref bufferPosition);

        GISocket.Instance.addToOutStream(outStreamBuffer);

    }

    public static void sendMeleeAttack(int hitFlag, int npcId)
    {
        int bufferPosition = 0;
        int packetSize = 9;
        const byte packetId = 49;

        outStreamBuffer = new byte[packetSize];

        WriteByte(packetId, ref bufferPosition);
        WriteInt(hitFlag, ref bufferPosition);
        WriteInt(npcId, ref bufferPosition);

        GISocket.Instance.addToOutStream(outStreamBuffer);
    }

    public static void sendThrowItem(float dX, float dY, float dZ)
    {
        int bufferPosition = 0;
        int packetSize = 13;
        const byte packetId = 50;

        outStreamBuffer = new byte[packetSize];

        WriteByte(packetId, ref bufferPosition);
        WriteFloat(dX, ref bufferPosition);
        WriteFloat(dY, ref bufferPosition);
        WriteFloat(dZ, ref bufferPosition);

        GISocket.Instance.addToOutStream(outStreamBuffer);
    }

    public static void sendThrowableExplosion(float x, float y, float z)
    {
        int bufferPosition = 0;
        int packetSize = 13;
        const byte packetId = 51;

        outStreamBuffer = new byte[packetSize];

        WriteByte(packetId, ref bufferPosition);
        WriteFloat(x, ref bufferPosition);
        WriteFloat(y, ref bufferPosition);
        WriteFloat(z, ref bufferPosition);

        GISocket.Instance.addToOutStream(outStreamBuffer);
    }

    public static void sendWithdrawBankOrForgeItem(int slotID, int bankOrForge)
    {
        int bufferPosition = 0;
        int packetSize = 9;
        const byte packetId = 18;

        outStreamBuffer = new byte[packetSize];

        WriteByte(packetId, ref bufferPosition);
        WriteInt(slotID, ref bufferPosition);
        WriteInt(bankOrForge, ref bufferPosition);

        GISocket.Instance.addToOutStream(outStreamBuffer);
    }

    public static void sendVoiceChatID(string voiceID)
    {
        int bufferPosition = 0;
        int packetsize = 2 + voiceID.Length;
        const byte packetId = 19;

        outStreamBuffer = new byte[packetsize];

        WriteByte(packetId, ref bufferPosition);
        WriteString(voiceID, ref bufferPosition);

        GISocket.Instance.addToOutStream(outStreamBuffer);
    }

    public static void sendFractionalCryptoCollection(int collectedPlayerID, int dropType)
    {
        int bufferPosition = 0;
        int packetSize = 9;
        const byte packetId = 20;

        outStreamBuffer = new byte[packetSize];

        WriteByte(packetId, ref bufferPosition);
        WriteInt(collectedPlayerID, ref bufferPosition);
        WriteInt(dropType, ref bufferPosition);

        GISocket.Instance.addToOutStream(outStreamBuffer);
    }

    public static void sendForgeWeaponTrackers(int itemID)
    {
        int bufferPosition = 0;
        int packetSize = 5;
        const byte packetID = 21;

        outStreamBuffer = new byte[packetSize];
        
        WriteByte(packetID, ref bufferPosition);
        WriteInt(itemID, ref bufferPosition);
        
        GISocket.Instance.addToOutStream(outStreamBuffer);
    }

    public static void sendNPCAttack(int type)
	{
		int bufferPosition = 0;
		int packetSize = 5;
		const byte packetID = 23;

		outStreamBuffer = new byte[packetSize];

		WriteByte(packetID, ref bufferPosition);
        WriteInt(type, ref bufferPosition);

		GISocket.Instance.addToOutStream(outStreamBuffer);
	}

    public static void sendProjecctileHit(string projectile)
	{
        int bufferPosition = 0;
        int packetSize = 2 + projectile.Length;
        const byte packetID = 22;

        outStreamBuffer = new byte[packetSize];

        WriteByte(packetID, ref bufferPosition);
        WriteString(projectile, ref bufferPosition);

        GISocket.Instance.addToOutStream(outStreamBuffer);
    }

	public static void sendPlaceItem(int itemID, float x, float y, float z, float rotY)
	{
		int bufferPosition = 0;
		int packetSize = 21;
		const byte packetID = 52;

		outStreamBuffer = new byte[packetSize];

		WriteByte(packetID, ref bufferPosition);
		WriteInt(itemID, ref bufferPosition);
		WriteFloat(x, ref bufferPosition);
        WriteFloat(y, ref bufferPosition);
        WriteFloat(z, ref bufferPosition);
        WriteFloat(rotY, ref bufferPosition);

        GISocket.Instance.addToOutStream(outStreamBuffer);
	}

    public static void sendMineRock(int rockId) {
        int bufferPosition = 0;
		int packetSize = 5;
		const byte packetID = 53;

		outStreamBuffer = new byte[packetSize];

		WriteByte(packetID, ref bufferPosition);
		WriteInt(rockId, ref bufferPosition);

        GISocket.Instance.addToOutStream(outStreamBuffer);
    }


	//write a byte to the oustream buffer
	private static void WriteByte(byte data, ref int position)
    {
        if (position < outStreamBuffer.Length)
            outStreamBuffer[position] = data;
        position += 1;
    }

    //write a short to the oustream buffer
    private static void WriteShort(short data, ref int position)
    {
        outStreamBuffer[position] = (byte)(data >> 8);
        outStreamBuffer[position + 1] = (byte)data;
        position += 2;
    }

    //write an int to the outstream buffer
    private static void WriteInt(int data, ref int position)
    {
        outStreamBuffer[position] = (byte)(data >> 24);
        outStreamBuffer[position + 1] = (byte)(data >> 16);
        outStreamBuffer[position + 2] = (byte)(data >> 8);
        outStreamBuffer[position + 3] = (byte)(data);
        position += 4;
    }

    //write a string to the outstream buffer
    //must be less than 254  characters
    private static void WriteString(string data, ref int position)
    {
        if (data.Length > 254)
        {
            Debug.Log("Error: String length more than 255");
            return;
        }
        //write lenngth
        outStreamBuffer[position] = (byte)data.Length;
        position += 1;

        //write string to buffer
        for (int i = 0; i < data.Length; i++)
        {
            outStreamBuffer[position + i] = (byte)data[i];
        }

        position += data.Length;
    }

    //write a string to the outstream buffer
    //must be less than 254  characters
    private static void WriteLongString(string data, ref int position)
    {
        //write lenngth
        WriteInt(data.Length, ref position);

        //write string to buffer
        for (int i = 0; i < data.Length; i++)
        {
            outStreamBuffer[position + i] = (byte)data[i];
        }

        position += data.Length;
    }

    private static void WriteFloat(float f, ref int position)
    {
        //string data = f.ToString("#.##");
        //WriteString(data, ref position);
        float data = f * 100;
        WriteInt((int)data, ref position);
    }
}