/*    /secure/cmds/admins/link.c
 *    from the Dead Souls Mud Library
 *    link SECONDARY to PRIMARY
 *    link PLAYER
 *    link
 *    created by Descartes of Borg 951216
 */

#include <lib.h>
#include <link.h>
#include <daemons.h>
#include <message_class.h>

inherit LIB_DAEMON;

mixed cmd(string args) {
    mixed tmp;
    string primary, secondary;

    if( !archp(previous_object()) ) return 0;

    // If no arguments are specified, dump all links. 
    if( !args || args == "" ) {
        mapping links;
        string formatString;
        int screenSize = ((int *)this_player()->GetScreen())[0];
        int playerSize = ((screenSize * 4) / 16) -1;
        int emailSize = ((screenSize * 6) / 16) - 1;
        int lastOnSize = ((screenSize * 6) / 16) - 1;

        if(playerSize < 14) playerSize = 14;
        if(emailSize < 25) emailSize = 25;
        if(lastOnSize < 25) lastOnSize = 25;

        formatString = "%:-" + playerSize + "s %:-" + emailSize
            + "s %:-" + lastOnSize + "s";

        tmp = ({ center("%^CYAN%^  " + mud_name()
                    + " Approved Character Links%^YELLOW%^", screenSize) });

        tmp += ({ sprintf(formatString, "Player", "Email", "Last On%^RESET%^") });

        links = (mapping)CHARACTER_D->GetLinks();
        foreach(string p in sort_array(keys(links), 1)) {   
            class char_link l;
            int maxi;

            l = links[p];
            if( !(maxi = sizeof(l->Secondaries)) ) continue;
            tmp += ({ sprintf(formatString, capitalize(p), l->Email,
                        ((l->LastOnWith == p) ? ctime(l->LastOnDate) : "unknown")) });
            foreach(string pl in l->Secondaries)
                tmp += ({ sprintf(formatString, "  " + capitalize(pl), "",
                            ((l->LastOnWith == pl) ? ctime(l->LastOnDate) : "unknown")) });
        }
        this_player(1)->eventPage(tmp, MSG_SYSTEM);
        return 1;
    }

    // Or, link a secondary to a primary.
    else if( sscanf(args, "%s to %s", secondary, primary) == 2 ) {
        this_player(1)->eventPrint("Email for player: ", MSG_PROMPT);
        input_to(function(string email, string primary, string secondary) {
                mixed tmp;

                if( !email || email == "" ) {
                this_player(1)->eventPrint("Aborted.", MSG_SYSTEM);
                return;
                }
                tmp = (mixed)CHARACTER_D->eventLink(primary, secondary, email);
                if( !tmp ) this_player(1)->eventPrint("Failed.", MSG_SYSTEM);
                else if( tmp == 1) this_player(1)->eventPrint("Linked.", MSG_SYSTEM);
                else this_player(1)->eventPrint(tmp, MSG_SYSTEM);
                }, primary, secondary);
        return 1;
    }

    // Otherwise, get link information on a specific player.
    else {
        mapping mp;
        string str;

        mp = (mapping)CHARACTER_D->GetLink(convert_name(args));
        if( !mp ) this_player()->eventPrint(capitalize(args) + " has no "
                "links listed.", MSG_SYSTEM);
        else {
            str = "Primary: " + capitalize(mp["primary"]) + "\n";
            str += "Last on " + ctime(mp["last on"]) + " with " +
                capitalize(mp["last char"]) + "\n";
            str += "Secondaries: " + implode(mp["secondaries"], ",");
            this_player()->eventPrint(str, MSG_SYSTEM);
        }
        return 1;
    }
}

string GetHelp(string str) {
    return ("Syntax: <link SECONDARY to PRIMARY>\n"
            "        <link PLAYER>\n"
            "        <link>\n\n"
            "In the first form, it allows you to mark two characters "
            "as being controlled by the same real individual.  It "
            "creates a relationship where one character is considered "
            "primary, and the other is secondary.  If link relationships "
            "already exist for one or more, this will alter those "
            "and create a new one with the primary one you specify as "
            "primary.  For example, if both characters were already set "
            "up as primary links, the one you specify with this command "
            "as primary becomes the sole primary link for these characters, "
            "and the secondary plus its secondaries all become secondaries "
            "for his primary.\n\n"
            "If you just pass a player name as an argument, this command "
            "will show you the link information on that player.\n\n"
            "If you give no arguments, then this command will list all "
            "known links/\n\n"
            "See also: finger, unlink");
}