//############################################################################
//#                                                                          #
//#                             GM scheduled broadcasts                      #
//#                                                                          #
//############################################################################

// $@GMSA_STATUS values:
//      0: Broadcasts not running
//      1: Broadcasts running
// $@GMSA_NAME$: the GM/Admin who created the broadcast, if any
// $@GMSA_MSG$: the message to be broadcasted
// $@GMSA_MAX: the number of times the broadcast will be performed, if > 0
// $@GMSA_TICK: broadcast the message every $@GMSA_TICK hours
// $@GMSA_CURRENT_TICK: internal counter incremented every hour

017-9,26,24,0|script|Stone Board|145
{
    if (getgmlevel() < 30)
        goto L_Close;

    if ($@GMSA_STATUS)
        goto L_InfoBroadcast;
    goto L_PrepareBroadcast;

L_InfoBroadcast:
    set @next_broadcast_ts, (3600000*($@GMSA_TICK - $@GMSA_CURRENT_TICK) - getnpctimer(0))/1000;
    set @next_broadcast_h, @next_broadcast_ts/3600;
    set @next_broadcast_m, (@next_broadcast_ts - @next_broadcast_h*3600)/60;

    mes "[GM Scheduled Broadcasts Board]";
    mes $@GMSA_NAME$ + " scheduled the current message, every " + $@GMSA_TICK + " hour(s):";
    mes $@GMSA_MSG$;
    next;
    if (@next_broadcast_h > 0)
        mes "The next broadcast will happen in " + @next_broadcast_h + " hour(s) and " + @next_broadcast_m + " minute(s).";
    if (@next_broadcast_h == 0)
        mes "The next broadcast will happen in " + @next_broadcast_m + " minute(s).";
    next;

    set @next_broadcast_ts, 0;
    set @next_broadcast_h, 0;
    set @next_broadcast_m, 0;

    mes "What do you want to do?";
    menu
        "Nothing.", L_Close,
        "Nothing but... what is this?", L_Help,
        "Stop broadcasting.", L_StopBroadcast,
        "Trigger manually the current broadcast.", L_ManualBroadcast;

L_PrepareBroadcast:
    callsub S_Help;
    next;
    mes "There is no broadcast scheduled.";
    mes "Do you want to create one?";
    menu
        "No.", L_Close,
        "Yes.", L_CreateBroadcast;

L_CreateBroadcast:
    mes "[GM Scheduled Broadcasts Board]";
    mes "Enter the message to broadcast:";
    input $@GMSA_MSG$;
    if ($@GMSA_MSG$ == "")
        goto L_InvalidBMsg;

    next;
    mes "[GM Scheduled Broadcasts Board]";
    mes "The message will be broadcasted every X hour(s). Enter X:";
    input $@GMSA_TICK;
    if ($@GMSA_TICK < 1)
        goto L_InvalidBroadcastTick;

    next;
    mes "[GM Scheduled Broadcasts Board]";
    mes "If you want the message to be broadcasted a limited number of times, enter its value. Keep 0 otherwise:";
    input $@GMSA_MAX;

    next;
    mes "[GM Scheduled Broadcasts Board]";
    if ($@GMSA_MAX == 0)
        mes "The current message will be broadcasted every " + $@GMSA_TICK + " hour(s):";
    if ($@GMSA_MAX > 0)
        mes "The current message will be broadcasted every " + $@GMSA_TICK + " hour(s), up to " + $@GMSA_MAX + " times:";
    mes $@GMSA_MSG$;
    next;
    mes "Is this correct?";
    menu
        "No. I'll retry.", L_CreateBroadcast,
        "No", L_Close,
        "Yes. Broadcast this. (the first broadcast will happen in " + $@GMSA_TICK + " hour(s).)", L_StartBroadcast,
        "Yes. Broadcast this, and make an extra broadcast right now.", L_StartBroadcast2;

L_InvalidBMsg:
    mes "[GM Scheduled Broadcasts Board]";
    mes "The message can't be empty. Please retry.";
    goto L_CreateBroadcast;

L_InvalidBroadcastTick:
    mes "[GM Scheduled Broadcasts Board]";
    mes "You obviously can't repeat a message every 0 hours. Please retry.";
    goto L_CreateBroadcast;

L_Help:
    callsub S_Help;
    goto L_Close;

S_Help:
    mes "[GM Scheduled Broadcasts Board]";
    mes "This board allows a GM to schedule a message to be broadcast every X hours.";
    mes "Only one broadcast can be scheduled at a time.";
    return;

S_PerformBroadcast:
    announce $@GMSA_MSG$, 0;
    return;

L_ManualBroadcast:
    callsub S_PerformBroadcast;
    mes "Done.";
    goto L_Close;

L_StopBroadcast:
    callsub S_StopBroadcast;
    mes "Done.";
    goto L_Close;

S_StopBroadcast:
    stopnpctimer;
    setnpctimer 0;
    set $@GMSA_STATUS, 0;
    set $@GMSA_NAME$, "";
    set $@GMSA_MSG$, "";
    set $@GMSA_TICK, 0;
    set $@GMSA_MAX, 0;
    set $@GMSA_CURRENT_TICK, 0;
    return;

L_StartBroadcast2:
    if ($@GMSA_STATUS == 1)
        goto L_Abort;
    callsub S_PerformBroadcast;
    goto L_StartBroadcast;

L_StartBroadcast:
    if ($@GMSA_STATUS == 1)
        goto L_Abort;
    set $@GMSA_STATUS, 1;
    set $@GMSA_NAME$, strcharinfo(0);
    set $@GMSA_CURRENT_TICK, 0;
    initnpctimer;
    mes "Done.";
    goto L_Close;

L_Abort:
    mes "[GM Scheduled Broadcasts Board]";
    mes $@GMSA_NAME$ + " has created a scheduled broadcast just before you, hence yours will abort.";
    goto L_Close;

L_Close:
    close;

OnTimer3600000:
    set $@GMSA_CURRENT_TICK, $@GMSA_CURRENT_TICK + 1;
    setnpctimer 0;
    if ($@GMSA_CURRENT_TICK != $@GMSA_TICK)
        end;
    callsub S_PerformBroadcast;
    set $@GMSA_CURRENT_TICK, 0;
    set $@GMSA_MAX, $@GMSA_MAX - 1;
    if ($@GMSA_MAX != 0)
        end;
    callsub S_StopBroadcast;
    end;
}