#include <amxmodx>
#include <nvault>

//Uncomment 'IM_USING_ZP50' if your server is running ZP50 and above.
//#define IM_USING_ZP50
#if defined IM_USING_ZP50
native zp_ammopacks_get(id)
native zp_ammopacks_set(id, amount)
#else
native zp_get_user_ammo_packs(id)
native zp_set_user_ammo_packs(id, amount)
#endif

//Your vault name
#define VAULT_NAME "apstore"

//Max player's ammopack that can be save in vault.
#define MAX_AMMOPACK 9999

//Max day player's ammopack can be stay in vault, set 0 = permanent.
#define DAY_PRUNE 15
new hVaultHandle, bool:bIsLoaded[33], szSteamid[33][35]

public plugin_init()
{
	register_plugin("ZP AP Store", "0.0.1", "wbyokomo")
}

public plugin_cfg()
{
	hVaultHandle = nvault_open(VAULT_NAME)
	if(hVaultHandle == INVALID_HANDLE)
	{
		new szText[128]
		formatex(szText, 127, "Error opening '%s' nVault.", VAULT_NAME)
		set_fail_state(szText)
	}
	
	new day = DAY_PRUNE
	if(day > 0) nvault_prune(hVaultHandle, 0, get_systime() - (DAY_PRUNE * 86400));
}

public plugin_end()
{
	nvault_close(hVaultHandle)
}

public client_putinserver(id)
{
	if(is_user_hltv(id)) return;
	if(is_user_bot(id)) return;
	
	get_user_authid(id, szSteamid[id], 34)
	LoadData(id)
}

public client_disconnect(id)
{
	SaveData(id)
	bIsLoaded[id] = false
}

LoadData(id)
{
	new szKey[40]
	formatex(szKey, 39, "%sZPAP", szSteamid[id])
	new iAmmo = nvault_get(hVaultHandle, szKey)
	#if defined IM_USING_ZP50
	zp_ammopacks_set(id, iAmmo)
	#else
	zp_set_user_ammo_packs(id, iAmmo)
	#endif
	bIsLoaded[id] = true
}

SaveData(id)
{
	if(!bIsLoaded[id]) return;
	
	#if defined IM_USING_ZP50
	new ap = zp_ammopacks_get(id)
	#else
	new ap = zp_get_user_ammo_packs(id)
	#endif
	if(ap > MAX_AMMOPACK) ap = MAX_AMMOPACK;
	new szAmmo[12], szKey[40]
	formatex(szKey, 39, "%sZPAP", szSteamid[id])
	formatex(szAmmo, 11, "%d", ap)
	nvault_set(hVaultHandle, szKey, szAmmo)
}