// Email-to-IM
// DoteDote Edison

///////// constants /////////
// how often to check for new email when owner is online (seconds)
float FAST = 60.0;
// how often to check owner online status when owner is offline (seconds)
float SLOW = 300.0; 
// timezone offset from UTC
integer OFFSET = -4;

////////// globals //////////
key request;
key owner;
integer owner_online;

string GetStamp(string time) {
    list weekdays = ["THU", "FRI", "SAT", "SUN", "MON", "TUE", "WED"];
    integer a = (integer)time + (OFFSET*3600);
    integer hours = a/3600;
    integer mins = a/60;
    string day  = llList2String(weekdays, (hours/24)%7);
    return (string)(hours%24) + ":" + (string)(mins%60) + " " + day;
}

default {
    state_entry() {
        owner = llGetOwner();
        string address = (string)llGetKey() + "@lsl.secondlife.com";
        llSetText("Email Server\nOnline", <0.25, 1.0, 0.25>, 1.0);
        llOwnerSay("Now online.  The Email-to-IM address for " + llKey2Name(owner) + " is:\n" + address);
        llSetTimerEvent(FAST);
    }
    on_rez(integer start_param) {
        llResetScript();
    }
    touch_start(integer num_detect) {
        if (llDetectedKey(0) == owner) state off;
    }
    email(string time, string sender, string subject, string body, integer num_remain) {
        llInstantMessage(owner, "Email Received from: " + sender + " -- " + GetStamp(time));
        llInstantMessage(owner, body);
        if (num_remain > 0) llGetNextEmail("", "");
    }
    dataserver(key query, string data) {
        if (query == request) {
            request = "";
            if (data == "1") {
                owner_online = TRUE;
                llSetTimerEvent(FAST);
            }
            else {
                owner_online = FALSE;
                llSetTimerEvent(SLOW);
            }
        }
    }
    timer() {
        request = llRequestAgentData(owner, DATA_ONLINE);
        if (owner_online) llGetNextEmail("", "");
    }
    state_exit() {
        llSetTimerEvent(0.0);
        llSetText("Email Server\nOffline", <1.0, 0.25, 0.25>, 1.0);
    }
}

state off {
    touch_start(integer num_detect) {
        if (llDetectedKey(0) == owner) state default;
    }
    on_rez(integer start_param) {
        llResetScript();
    }
}