// Support SLU!
string last = "never. For shame!";
integer lastamount = 0;
key recipient = "0d2d7814-8b2d-4db1-81b8-96b507104e89"; // Cris

default
{
    state_entry()
    {
        //get permission to give Cris the L$
        llRequestPermissions(llGetOwner(), PERMISSION_DEBIT);
        } 


    touch_start(integer total_number)
    {
        if (llDetectedKey(0) == llGetOwner())
        {
            llOwnerSay("Your last donation, of L$" + (string)lastamount + ", was " + last);
        }
        else
        {
            llSay(0, "Pay this object to support SLU!");
        }
    
    } 
    
    money(key id, integer amount)
    {
        if ( id != llGetOwner() )
        {
            // Pay Cris, but don't touch the timer
            llSay(0, "Thank you for supporting SLU! Your payment has been passed along to Cristiano Midnight.");
            llGiveMoney(recipient, amount);
        }
        else
        {                
            //Pay Cris, and put 30 days on the clock
            llOwnerSay("Thank you for supporting SLU! Your payment has been passed along to Cristiano Midnight.");
            llGiveMoney(recipient, amount);
            last = llGetSubString(llGetTimestamp(), 0, 9);
            lastamount = amount;
            llSetTimerEvent(2592000); // Starts 30-day timer
        }
    }

    timer()
    {
        llInstantMessage(llGetOwner(), "Isn't it time you supported SLU? Your last donation, of L$" + (string)lastamount + ", was " + last);
        llSetTimerEvent(86400); // Resets timer to remind again in 1 day
    }

}

// in global variable section before declaring the default state
integer unix_time;
integer unix_time_last_donated;
integer last_nagged;
integer days_between_nags = 1;
float timer_interval = 900; // fifteen minutes should be enough (not sure if this is an int)

//  After the llGiveMoney function
// Conditions: money must come from object owner
    unix_time_last_donated = llGetUnixTime();
    llSetTimerEvent(timer_interval);
    // also trap day/date/time of donation to use in your text response

// New function, stick it ahead of state declaration
integer days_since()
{
    unix_time = llGetUnixTime();
    // this checks how many days have passed. Don't forget parenthesis!
    float days = (unix_time - unix_time_last_donated) / (60*60*24);
    return (integer)days;
}

// Add an on_rez event in case of restarts and other carelessness
on_rez()
{
    // only start timer if owner has previously donated
    if (unix_time_last_donated != 0) {
        llSetTimerEvent(timer_interval);
    }
}

// in touch event
// condition: owner has touched
    integer days = days_since();
    llWhisper("You last donated to SLU "+(string)days+" days ago";
    if (days > 30) {
        llWhisper("Isn't it time you donated again?");
    }

// timer event
    // don't do anything if owner hasn't donated yet
    if (unix_time_last_donated > 0) {
        integer days = days_since();
        integer unix_time = llGetUnixTime();
        if (days > 30) {
            if ((last_nagged == 0) || (last_nagged > (60*60*24*days_between_nags)) {
                last_nagged = llGetUnixTime();
                // IM owner a donation reminder
            } // ... if ((last_naged == 0...
        } // ... if (days > 30...
    } // ... if (unix_time_last_donated...