#pragma semicolon 1

#include <sourcemod>
#include <cstrike>

#define PLUGIN_VERSION "1.0"
#define MSG "\x03[Medkits] \x01%t"
 
 public Plugin:myinfo =
{
	name = "Medkit",
	author = "Push",
	description = "Allow to use medkits",
	version = PLUGIN_VERSION,
	url = "http://css-quad.ru"
};

new Handle:medkit_team = INVALID_HANDLE;
new Handle:medkit_amount = INVALID_HANDLE;
new Handle:medkit_health_ps = INVALID_HANDLE;
new Handle:medkit_fullhealth = INVALID_HANDLE;
new Handle:medkit_maxhealth = INVALID_HANDLE;
new Handle:medkit_timer_tick = INVALID_HANDLE;
new bool:bAlreadyUses[MAXPLAYERS+1];
new Handle:hTimer[MAXPLAYERS+1] = INVALID_HANDLE;
new iMedKits[MAXPLAYERS+1], iHPCount[MAXPLAYERS+1];

public OnPluginStart()
{
	LoadTranslations("medkit.phrases");
	
	medkit_team = CreateConVar("medkit_team","1","1 - all/2 - t/3 - ct");
	medkit_amount = CreateConVar("medkit_amount","5","amount of medkits for player");
	medkit_health_ps = CreateConVar("medkit_health_ps","5","health per secound");
	medkit_fullhealth = CreateConVar("medkit_fullhealth","30","full health");
	medkit_timer_tick = CreateConVar("medkit_timer_tick","0.5","timer ticks");
	medkit_maxhealth = CreateConVar("medkit_maxhealth","101","maximum health");
	HookEvent("round_start",OnRoundStart);
	HookEvent("round_end",OnRoundEnded);
	RegConsoleCmd("medkit",GiveMedKit);
}

public OnRoundStart(Handle:event, const String:name[], bool:dontBroadcast)
{
	for(new i = 1; i < MaxClients; i++){
		hTimer[i] = INVALID_HANDLE;
		iMedKits[i] = GetConVarInt(medkit_amount);
		bAlreadyUses[i] = false;
		iHPCount[i] = 0;
	}
}

public OnRoundEnded(Handle:event, const String:name[], bool:dontBroadcast)
{
	for(new i=1;i<=MaxClients;i++)
	{
		if(bAlreadyUses[i] && hTimer[i] != INVALID_HANDLE)
			KillTimer(hTimer[i]);
	}
}

public Action:GiveMedKit(client,args)
{
	if(args || bAlreadyUses[client]) return Plugin_Continue;
	if(GetClientHealth(client) >= GetConVarInt(medkit_maxhealth))
	{
		PrintToChat(client,MSG,"You already have maximum health");
		return Plugin_Continue;
	}
	bAlreadyUses[client] = true;
	new cvTeam = GetConVarInt(medkit_team);
	new iTeam = (cvTeam == 1 ? 0 : (cvTeam == 2 ? CS_TEAM_T : CS_TEAM_CT));
	new Float:fTimerTicks = GetConVarFloat(medkit_timer_tick);
	iMedKits[client]--;
	if((!iTeam || GetClientTeam(client) == iTeam) && fTimerTicks && IsPlayerAlive(client))
	{
		if(iMedKits[client] == -1)
		{
			PrintToChat(client,MSG,"You have not more kits");
			return Plugin_Continue;
		}
		PrintToChat(client,MSG,"Left",iMedKits[client]);
		hTimer[client] = CreateTimer(fTimerTicks,GiveHealth,client,TIMER_REPEAT);
	}
	return Plugin_Continue;
}

public Action:GiveHealth(Handle:timer,any:client)
{
	new MaxHealth = GetConVarInt(medkit_maxhealth), iHPFull = GetConVarInt(medkit_fullhealth), iAddiction;
	
	if(GetConVarInt(medkit_health_ps) > iHPFull)
		SetConVarInt(medkit_health_ps,iHPFull);
		
	new iHPPSec = GetConVarInt(medkit_health_ps);
	
	if(GetClientHealth(client) > MaxHealth)
		SetEntityHealth(client,MaxHealth);
		
	if(IsPlayerAlive(client) && (GetClientHealth(client) == MaxHealth || iHPCount[client] >= iHPFull))
	{
		iHPCount[client] = 0;
		bAlreadyUses[client] = false;
		PrintToChat(client,MSG,"You cant have more health");
		KillTimer(timer);
		return Plugin_Continue;
	}
	
	iHPCount[client] += iHPPSec;
	
	if(iHPCount[client] <= iHPFull){
		iAddiction = GetClientHealth(client) + iHPPSec;	
	}
	else if(iHPCount[client] > iHPFull)
	{
		iAddiction = (GetClientHealth(client) + iHPPSec) - (iHPCount[client] - iHPFull);		
		iHPCount[client] = iHPFull;
	}
	
	SetEntityHealth(client, MaxHealth >= iAddiction ? iAddiction : iAddiction - (iAddiction - MaxHealth));
	
	return Plugin_Continue;
}