/* Sublime AMXX Editor v2.2 */

#include <amxmodx>
#include <cstrike>
#include <fakemeta>
#include <hamsandwich>
#include <nvault>

new const g_szVault[] = "WepPak";
new g_hVault;

#define MAX_WEP_PER_PAK 5
#define MAX_PAKS 3

enum (<<= 1)
{
	PAK_NONE = 0,
	PAK1 = 1,
	PAK2,
	PAK3
}

enum _:ddata
{
	wepname[32],
	wepcode
}

new const g_iPakCost[MAX_PAKS] = {
	150000,
	200000,
	250000
};

new const g_aData[MAX_WEP_PER_PAK][ddata] = {
	{ "weapon_m4a1", CSW_M4A1 },
	{ "weapon_ak47", CSW_AK47 },
	{ "weapon_usp", CSW_USP },
	{ "weapon_glock", CSW_GLOCK18 },
	{ "weapon_fiveseven", CSW_FIVESEVEN }
};

new const g_szFirstPackage[MAX_WEP_PER_PAK][] = {
	"models/newmodels/package1/v_m4a1.mdl",
	"models/newmodels/package1/v_ak47.mdl",
	"models/newmodels/package1/v_usp.mdl",
	"models/newmodels/package1/v_glock.mdl",
	"models/newmodels/package1/v_fiveseven.mdl"
};

new const g_szSecondPackage[MAX_WEP_PER_PAK][] = {
	"models/newmodels/package2/v_m4a1.mdl",
	"models/newmodels/package2/v_ak47.mdl",
	"models/newmodels/package2/v_usp.mdl",
	"models/newmodels/package2/v_glock.mdl",
	"models/newmodels/package2/v_fiveseven.mdl"
};

new const g_szThirdPackage[MAX_WEP_PER_PAK][] = {
	"models/newmodels/package3/v_m4a1.mdl",
	"models/newmodels/package3/v_ak47.mdl",
	"models/newmodels/package3/v_usp.mdl",
	"models/newmodels/package3/v_glock.mdl",
	"models/newmodels/package3/v_fiveseven.mdl"
};

// from data/gamedata/common.games/entities.games/cstrike/offsets-cbaseplayeritem.txt
new const m_pPlayer = 164;
new const XO_LINUXOFFSETDIFF = 16;
new const XO_MACOFFSETDIFF = 16;

new g_iClientCurrentPak[MAX_PLAYERS + 1];
new g_iClientPaks[MAX_PLAYERS + 1];

native get_user_cash(client);
native set_user_cash(client, amount);

public plugin_init() {
	register_plugin("Weapon skin packs","v1.0","Hyuna");

	register_clcmd("say /buy","cmdBuy");

	for (new i = 0; i < MAX_WEP_PER_PAK; i++)
		RegisterHam(Ham_Item_Deploy,g_aData[i][wepname],"fwdOnItemDeployPost",1,false);

	g_hVault = nvault_open(g_szVault);

	if (g_hVault == INVALID_HANDLE)
		set_fail_state("Failed to open nVault ^"%s^".",g_szVault);
}

public plugin_precache() {
	for (new i = 0; i < MAX_WEP_PER_PAK; i++)
	{
		if (!file_exists(g_szFirstPackage[i],false))
			set_fail_state("Failed to load model ^"%s^".",g_szFirstPackage[i]);

		if (!file_exists(g_szSecondPackage[i],false))
			set_fail_state("Failed to load model ^"%s^".",g_szSecondPackage[i]);

		if (!file_exists(g_szThirdPackage[i],false))
			set_fail_state("Failed to load model ^"%s^".",g_szThirdPackage[i]);

		precache_model(g_szFirstPackage[i]);
		precache_model(g_szSecondPackage[i]);
		precache_model(g_szThirdPackage[i]);
	}
}

public client_putinserver(client) {
	static szAuthID[32],szData[4],t;

	get_user_authid(client,szAuthID,charsmax(szAuthID));

	if(nvault_lookup(g_hVault,szAuthID,szData,charsmax(szData),t))
		g_iClientPaks[client] = str_to_num(szData);

	else
		g_iClientPaks[client] = 0;

	g_iClientCurrentPak[client] = 0;
}

public client_disconnected(client, bool:drop, message[], maxlen) {
	static szAuthID[32],szData[4];

	get_user_authid(client,szAuthID,charsmax(szAuthID));

	num_to_str(g_iClientPaks[client],szData,charsmax(szData));

	nvault_set(g_hVault,szAuthID,szData);
}

public cmdBuy(client) {
	static m,cb,some[128];

	formatex(some,charsmax(some),"[ JailBreak ] Weapon Models Packages^nYour cash: %d",get_user_cash(client));
	m = menu_create(some,"mHandler");
	cb = menu_makecallback("mCallback");

	if (g_iClientPaks[client] & PAK1)
		menu_additem(m,"Weapon Package #1 \d[ \yOwned \d]",.callback=cb);

	else if (g_iClientCurrentPak[client] == 1)
		menu_additem(m,"Weapon Package #1 \d[ \yCurrent Package \d]",.callback=cb);

	else
	{
		formatex(some,charsmax(some),"Weapon Package #1 \d[ \yCost: %d \d]",g_iPakCost[0]);
		menu_additem(m,some,.callback=cb);
	}

	if (g_iClientPaks[client] & PAK2)
		menu_additem(m,"Weapon Package #2 \d[ \yOwned \d]",.callback=cb);

	else if (g_iClientCurrentPak[client] == 2)
		menu_additem(m,"Weapon Package #2\d[ \yCurrent Package \d]",.callback=cb);

	else
	{
		formatex(some,charsmax(some),"Weapon Package #2 \d[ \yCost: %d \d]",g_iPakCost[1]);
		menu_additem(m,some,.callback=cb);
	}

	if (g_iClientPaks[client] & PAK3)
		menu_additem(m,"Weapon Package #3 \d[ \yOwned \d]");

	else if (g_iClientCurrentPak[client] == 3)
		menu_additem(m,"Weapon Package #3 \d[ \yCurrent Package \d]",.callback=cb);

	else
	{
		formatex(some,charsmax(some),"Weapon Package #3 \d[ \yCost: %d \d]",g_iPakCost[2]);
		menu_additem(m,some,.callback=cb);
	}

	menu_display(client,m);

	return PLUGIN_HANDLED;
}

public mCallback(client, menu, item) {
	return ((get_user_cash(client) < g_iPakCost[item]) || (g_iClientCurrentPak[client] == (item+1)) ? ITEM_DISABLED:ITEM_ENABLED);
}

public mHandler(client, menu, item) {
	if (item == MENU_EXIT)
	{
		menu_destroy(menu);
		return PLUGIN_HANDLED;
	}

	if (g_iClientPaks[client] & (1<<item))
	{
		if (g_iClientCurrentPak[client] == (item + 1))
			client_print(client,print_chat,"[AMXX] You already activate that package!");

		else
		{
			g_iClientCurrentPak[client] = (item + 1);
			change_client_model_pak(client);
		}
	}

	else
	{
		if (get_user_cash(client) < g_iPakCost[item])
			client_print(client,print_chat,"[AMXX] You don't have enought cahs to buy that package!");

		else
		{
			client_print(client,print_chat,"[AMXX] You bought yourself package %d for %d cash!",(item + 1),g_iPakCost[item]);
			set_user_cash(client,(get_user_cash(client) - g_iPakCost[item]));

			g_iClientPaks[client] &= (1<<item);
			g_iClientCurrentPak[client] = (item + 1);

			change_client_model_pak(client);
		}
	}

	menu_destroy(menu);
	return cmdBuy(client);
}

public fwdOnItemDeployPost(entity) {
	static client;

	if (!pev_valid(entity))
		return;

	client = get_pdata_cbase(entity,m_pPlayer,XO_LINUXOFFSETDIFF,XO_MACOFFSETDIFF);

	if (!is_user_alive(client))
		return;

	if(g_iClientPaks[client] > 0 && g_iClientCurrentPak[client] > 0)
		change_client_model_pak(client);
}

change_client_model_pak(client) {
	static wep;

	if (!is_user_alive(client))
		return 0;

	wep = get_user_weapon(client);
	switch(g_iClientCurrentPak[client])
	{
		case 1:
		{
			switch(wep)
			{
				case CSW_M4A1: set_pev(client,pev_viewmodel2,g_szFirstPackage[0]);
				case CSW_AK47: set_pev(client,pev_viewmodel2,g_szFirstPackage[1]);
				case CSW_USP: set_pev(client,pev_viewmodel2,g_szFirstPackage[2]);
				case CSW_GLOCK18: set_pev(client,pev_viewmodel2,g_szFirstPackage[3]);
				case CSW_FIVESEVEN: set_pev(client,pev_viewmodel2,g_szFirstPackage[4]);
				default: return 0;
			}
		}

		case 2:
		{
			switch(wep)
			{
				case CSW_M4A1: set_pev(client,pev_viewmodel2,g_szSecondPackage[0]);
				case CSW_AK47: set_pev(client,pev_viewmodel2,g_szSecondPackage[1]);
				case CSW_USP: set_pev(client,pev_viewmodel2,g_szSecondPackage[2]);
				case CSW_GLOCK18: set_pev(client,pev_viewmodel2,g_szSecondPackage[3]);
				case CSW_FIVESEVEN: set_pev(client,pev_viewmodel2,g_szSecondPackage[4]);
				default: return 0;
			}
		}

		case 3:
		{
			switch(wep)
			{
				case CSW_M4A1: set_pev(client,pev_viewmodel2,g_szThirdPackage[0]);
				case CSW_AK47: set_pev(client,pev_viewmodel2,g_szThirdPackage[1]);
				case CSW_USP: set_pev(client,pev_viewmodel2,g_szThirdPackage[2]);
				case CSW_GLOCK18: set_pev(client,pev_viewmodel2,g_szThirdPackage[3]);
				case CSW_FIVESEVEN: set_pev(client,pev_viewmodel2,g_szThirdPackage[4]);
				default: return 0;
			}
		}

		default: return 0;
	}

	return 1;
}