#include <stdio.h>
#include <stdlib.h>
#include <stdbool.h>
#include "../../common/common_user.h"
#include "array_index.h"
#include "user_group.h"
#include "user.h"

#define MULTI_MASK 0x0002
#define VALID_MASK 0x0001

#define MULTI_GET(element) ((element) >> 1)
#define MULTI_SET(element, value) (((element) & VALID_MASK) | (((value) << 1) & MULTI_MASK))
#define VALID_GET(element) ((element) & VALID_MASK)
#define VALID_SET(element, value) (((element) & MULTI_MASK) | ((value) & VALID_MASK))

extern ARRAY g_user_index_head;
extern USERGROUP g_group_table[GROUP_INDEX_MAX];
USERACCOUNT g_user_table[USER_INDEX_MAX];

/*初始化参数*/
int init_user()
{
	const int INIT_FAIL = 1;
	const int INIT_SUCCESS = 0;
	/* 初始化用户的index */
	int init_result = init_array(&g_user_index_head, USER_INDEX_MAX);
	if (INIT_FAIL == init_result)
	{
		return INIT_FAIL;
	}
	memset(g_user_table, 0, sizeof(g_user_table));

	return INIT_SUCCESS;
}

/*添加元素-新增用户*/
USERADD* add_user(char* uname, char* gname, USERADD* uaddres)
{
	const int ADD_FAIL_NOGROUP = 1;
	const int ADD_FAIL_NAMELEN = 2;
	const int ADD_FAIL_NAMESPE = 3;
	const int ADD_FAIL_NAMEDUP = 4;
	const int ADD_FAIL_USERFULL = 5;
	const int ADD_SUCCESS = 0;
	const char DEFAULT_PWD[8] = "123456";

	if (NULL == uaddres)
	{
		return NULL;
	}
	uaddres->userID = INVALID_INDEX;

	/* 校验用户名长度 */
	if (NULL == uname || (UNAMESIZE) < strlen(uname) || 0 >= strlen(uname))
	{
		uaddres->result = ADD_FAIL_NAMELEN;
		return uaddres;
	}

	/* 校验用户名中不含特殊字符 */
	if (SPECHAR(uname))
	{
		uaddres->result = ADD_FAIL_NAMESPE;
		return uaddres;
	}

	/* 根据用户组名查询用户组ID */
	unsigned short GID_temp = get_groupid_by_name(gname);
	if (CHECKOUTARG(gname) || INVALID_INDEX == GID_temp)
	{
		uaddres->result = ADD_FAIL_NOGROUP;
		return uaddres;
	}

	/* 校验重名 */
	for (int i = 0; i < USER_INDEX_MAX; i++)
	{
		if (0 == strcmp(uname, g_user_table[i].uname))
		{
			uaddres->result = ADD_FAIL_NAMEDUP;
			return uaddres;
		}
	}

	/* 生成用户ID，判断用户是否满 */
	unsigned short ID = alloc_index(&g_user_index_head);
	if (INVALID_INDEX == ID)
	{
		uaddres->result = ADD_FAIL_USERFULL;
		return uaddres;
	}

	/* 存内存 */
	g_user_table[ID].ID = ID;
	g_user_table[ID].GID = GID_temp;
	strcpy(g_user_table[ID].uname, uname);
	strcpy(g_user_table[ID].passwd, DEFAULT_PWD);

	/* 连接数据库，存user表 */
	/* INSERT INTO `user` SET id = , group_id = , user_name = "", password = "", multi_player = , valid_always =  */

	uaddres->result = ADD_SUCCESS;
	uaddres->userID = ID;

	return uaddres;
}