#include <lib.h>
#include <vendor_types.h>
inherit LIB_ITEM;
private int charge,rechargeable, drainable,drainrate,fullcharge;
private string powertype,celltype;

int Spent(){
    string *tmp;
    if(rechargeable == 1) return 1;
    if(!charge || charge <= 0){
	charge = 0;
	SetShort("a spent power cell");
	tmp = GetAdjectives();
	tmp += ({"spent", "empty", "drained", "used"});
	SetAdjectives(tmp);
    }
    return 1;
}


void create(){
    ::create();
    AddSave( ({ "charge" }) );
    SetKeyName("cell");
    SetId(({"battery"}));
    SetAdjectives(({"power","generic"}));
    SetShort("a generic power cell");
    SetLong("This is a generic power cell.");
    SetMass(1);
    SetBaseCost(4);
    SetVendorType(VT_TREASURE);
    rechargeable=0;
    drainable = 1;
    drainrate = 1;
    Spent();
}

void init(){
    ::init();
    if(living(environment(this_object())) ) this_object()->eventUse(0);
    if( charge < 200 ) SetBaseCost(0);
    Spent();
}

int SetPowerType(string str) {powertype=str; return 1; }
int SetCellType(string str) {celltype=str; return 1; }
int SetCharge(int i) {charge = i; fullcharge = i; return 1; }
int GetCharge() { return charge; }
string GetPowerType() { return powertype; }
string GetCellType() { return celltype; }
int SetRechargeable(int i) { rechargeable = i; return i;}
int GetRechargeable() { return rechargeable;}
int SetDrainable(int i) { drainable = i; return i; }
int GetDrainable() { return drainable; }
int SetDrainRate(int i) { drainrate = i; return i; }
int GetDrainRate() { return drainrate; }


int ModCharge(int i) {
    if(!charge) charge = 0;
    if(i) charge += i;
    return charge;
}

int eventDrain(int i){
    if( drainable != 1 ) return 0;
    if(!charge) charge = 0;
    if(charge && charge > 0) charge -= i;
    if(charge && charge < 0) Spent();
    if(!charge) Spent();
    if( charge < 200 ) SetBaseCost(0);
    return charge;
}

int eventCharge(int i){
    if(!charge) charge =0;
    if(i) charge += i;
    return charge;
}

int eventUse(int i){
    if(i == 0) {
	set_heart_beat(0);
	return 1;
    }
    if(!drainable) drainable = 1;
    if(drainable && drainable == 0) drainrate = 0;
    else if(!drainable) drainable = 1;
    if( !i || !intp(i) ) i = drainrate;
    set_heart_beat(i);
}

void heart_beat(){
    eventDrain(GetDrainRate() || 1);
}