#ifndef _SERVER_H_
#define _SERVER_H_

#include <pthread.h>
#include <netinet/in.h>
#include "client/client_commands.h"
#include "server/database.h"
#include "server/server_commands.h"
#include "list.h"
#include "network.h"
#include "types.h"

typedef struct
{
	int sockfd;						// TCP socket to accept new connections
	pthread_rwlock_t clients_rwlck;	// lock to protect client list
	List clients;					// Client * -> NULL map with all connected clients
	pthread_rwlock_t players_rwlck;	// lock to protect player list
	List players;					// char * -> Client * map with clients that have finished auth
	sqlite3 *db;
	struct {
		u32 simulation_distance;	// perimeter of the cube that players can see blocks in is simulation_distance * 2 + 1
	} config;						// configuration, ToDo: read from config file
} Server;

typedef struct Client
{
	int fd;						// TCP socket for connection
	pthread_mutex_t mtx;		// mutex to protect socket
	ClientState state;			// state of the client (created, auth, active, disconnected)
	char *address;				// address string to use as identifier for log messages until auth is completed
	char *name;					// player name (must be unique)
	Server *server;				// pointer to server object (essentially the same for all clients)
	pthread_t net_thread;		// reciever thread ID
	v3f64 pos;					// player position
} Client;

typedef enum
{
	DISCO_NO_REMOVE = 0x01,		// don't remove from client and player list (to save extra work on server shutdown)
	DISCO_NO_SEND = 0x02,		// don't notfiy client about the disconnect (if client sent disconnect themselves or the TCP connection died)
	DISCO_NO_MESSAGE = 0x04,	// don't log a message about the disconnect (used on server shutdown)
	DISCO_NO_JOIN = 0x08,		// don't wait for the reciever thread to finish (if TCP connection death was reported by reciever thread, the thread is already dead)
} DiscoFlag;

void server_disconnect_client(Client *client, int flags, const char *detail);	// disconnect a client with various options an an optional detail message (flags: DiscoFlag bitmask)

#endif