#pragma once

#include <3ds.h>
#include <arpa/inet.h>
#include <fcntl.h>
#include <netdb.h>
#include <netinet/in.h>
#include <string.h>
#include <sys/socket.h>

#include "3ds/services/hid.h"
#include "inet_pton.h"
#include "sys/_types.h"

// #define SCREENSHOT_CHUNK 4000

#define DEFAULT_PORT 8889

enum NET_COMMANDS {
    CONNECT,
    KEYS,
    SCREENSHOT,
};

// It is deliberately set up to have an anonymous struct as well as a named struct for convenience, not a mistake!
struct packet {
    union {
        struct packetHeader {
            unsigned char command;
            unsigned char keyboardActive;
        };
        struct packetHeader packetHeader;
    };

    union {
        // CONNECT
        union {
            struct connectPacket {
            };
            struct connectPacket connectPacket;
        };

        // KEYS
        union {
            struct keysPacket {
                // Keys
                unsigned int keys;

                // Cirle Pad
                struct {
                    short x;
                    short y;
                } circlePad;

                // Touchpad
                struct {
                    unsigned short x;
                    unsigned short y;
                } touch;

                // cStick
                struct {
                    short x;
                    short y;
                } cStick;

                // Volume
                unsigned int volume;  // way longer than needed, but it works.

                // Gyroscope
                struct {
                    short x;
                    short y;
                    short z;
                } gyro;

                unsigned char padding;

                // Accelerometer
                struct {
                    short x;
                    short y;
                    short z;
                } accel;

                // unsigned int threeD32;
            };
            struct keysPacket keysPacket;
        };

        // SCREENSHOT
        // union {
        // 	struct screenshotPacket {
        // 		unsigned short offset;
        // 		unsigned char data[SCREENSHOT_CHUNK];
        // 	};
        // 	struct screenshotPacket screenshotPacket;
        // };
        // This is not even used so...
    };
};

extern int sock;
extern struct sockaddr_in sain, saout;
extern struct packet outBuf, rcvBuf;

extern socklen_t sockaddr_in_sizePtr;

bool openSocket(int port);
void sendBuf(int length);
int receiveBuffer(int length);
void sendConnectionRequest(void);
void sendKeys(unsigned int keys, circlePosition circlePad, touchPosition touch, circlePosition cStick, unsigned int volume, angularRate gyro, accelVector accel);