/* Hi-level command shell/module routines (functions) */

/****************************************************************************
 * @format.tab-size 4		(Plain Text/Source Code File Header)			*
 * @format.use-tabs true	(see http://www.synchro.net/ptsc_hdr.html)		*
 *																			*
 * Copyright Rob Swindell - http://www.synchro.net/copyright.html			*
 *																			*
 * This program is free software; you can redistribute it and/or			*
 * modify it under the terms of the GNU General Public License				*
 * as published by the Free Software Foundation; either version 2			*
 * of the License, or (at your option) any later version.					*
 * See the GNU General Public License for more details: gpl.txt or			*
 * http://www.fsf.org/copyleft/gpl.html										*
 *																			*
 * For Synchronet coding style and modification guidelines, see				*
 * http://www.synchro.net/source.html										*
 *																			*
 * Note: If this box doesn't appear square, then you need to fix your tabs.	*
 ****************************************************************************/

#include "sbbs.h"
#include "cmdshell.h"

int sbbs_t::exec_function(csi_t *csi)
{
	char       str[256];
	uchar*     p;
	int        s;
	int        i, j, k;
	long       l;
	node_t     node;
	struct  tm tm;
	uint8_t    cmd = *(csi->ip++);

	switch (cmd) {

		case CS_PRINTFILE_STR:
			printfile(csi->str, P_NOATCODES);
			return 0;

		/********************************/
		/* General Main Menu Type Stuff */
		/********************************/
		case CS_AUTO_MESSAGE:
			automsg();
			return 0;
		case CS_MINUTE_BANK:
			time_bank();
			return 0;
		case CS_CHAT_SECTION:
			chatsection();
			return 0;
		case CS_USER_DEFAULTS:
			user_config(&useron);
			if (!useron_is_guest())
				getuseron(WHERE);
			return 0;
		case CS_TEXT_FILE_SECTION:
			text_sec();
			return 0;
		case CS_INFO_SYSTEM:   /* System information */
			sys_info();
			return 0;
		case CS_INFO_SUBBOARD:   /* Sub-board information */
			if (!usrgrps)
				return 0;
			subinfo(usrsub[curgrp][cursub[curgrp]]);
			return 0;
		case CS_INFO_DIRECTORY:   /* Sub-board information */
			if (!usrlibs)
				return 0;
			dirinfo(usrdir[curlib][curdir[curlib]]);
			return 0;
		case CS_INFO_VERSION:   /* Version */
			ver();
			return 0;
		case CS_INFO_USER:   /* User's statistics */
			user_info();
			return 0;
		case CS_INFO_XFER_POLICY:
			xfer_policy();
			return 0;
		case CS_XTRN_EXEC:
			csi->logic = LOGIC_TRUE;
			for (i = 0; i < cfg.total_xtrns; i++)
				if (!stricmp(cfg.xtrn[i]->code, csi->str))
					break;
			if (i < cfg.total_xtrns)
				exec_xtrn(i);
			else
				csi->logic = LOGIC_FALSE;
			return 0;
		case CS_XTRN_SECTION:
			xtrn_sec();
			return 0;
		case CS_LOGOFF:
			if (text[LogOffQ][0] == 0 || !noyes(text[LogOffQ])) {
				exec_mod("logoff", cfg.logoff_mod);
				user_event(EVENT_LOGOFF);
				menu("logoff");
				sync();
				hangup();
			}
			return 0;
		case CS_LOGOFF_FAST:
			sync();
			hangup();
			return 0;
		case CS_NODELIST_ALL:
			nodelist();
			return 0;
		case CS_NODELIST_USERS:
			whos_online(true);
			return 0;
		case CS_USERLIST_SUB:
			userlist(UL_SUB);
			return 0;
		case CS_USERLIST_DIR:
			userlist(UL_DIR);
			return 0;
		case CS_USERLIST_ALL:
			userlist(UL_ALL);
			return 0;
		case CS_USERLIST_LOGONS:
			logonlist();
			return 0;
		case CS_PAGE_SYSOP:
			csi->logic = sysop_page() ? LOGIC_TRUE:LOGIC_FALSE;
			return 0;
		case CS_PAGE_GURU:
			csi->logic = guru_page() ? LOGIC_TRUE:LOGIC_FALSE;
			return 0;
		case CS_SPY:
			csi->logic = spy(atoi(csi->str)) ? LOGIC_TRUE:LOGIC_FALSE;
			return 0;
		case CS_PRIVATE_CHAT:
			privchat();
			return 0;
		case CS_PRIVATE_MESSAGE:
			nodemsg();
			return 0;

		/*******************/
		/* Sysop Functions */
		/*******************/
		case CS_USER_EDIT:
			useredit(csi->str[0] ? finduser(csi->str) : 0);
			return 0;


		/******************/
		/* Mail Functions */
		/******************/

		case CS_MAIL_READ:   /* Read E-mail */
			readmail(useron.number, MAIL_YOUR);
			return 0;
		case CS_MAIL_READ_SENT:       /* Kill/read sent mail */
			readmail(useron.number, MAIL_SENT);
			return 0;
		case CS_MAIL_READ_ALL:
			readmail(useron.number, MAIL_ALL, /* list msgs: */false);
			return 0;
		case CS_MAIL_SEND:       /* Send E-mail */
			if (strchr(csi->str, '@')) {
				i = 1;
				netmail(csi->str);
			}
			else if ((i = finduser(csi->str)) != 0
			         || (cfg.msg_misc & MM_REALNAME && (i = finduserstr(0, USER_NAME, csi->str)) != 0))
				email(i);
			csi->logic = !i;
			return 0;
		case CS_MAIL_SEND_FEEDBACK:       /* Feedback */
			if ((i = finduser(csi->str)) != 0)
				email(i, text[ReFeedback]);
			csi->logic = !i;
			return 0;
		case CS_MAIL_SEND_NETMAIL:
		case CS_MAIL_SEND_NETFILE:
		{
			bputs(text[EnterNetMailAddress]);
			csi->logic = LOGIC_FALSE;
			if (getstr(str, 60, K_LINE)) {
				if (netmail(str, NULL, cmd == CS_MAIL_SEND_NETFILE ? WM_FILE : WM_NONE)) {
					csi->logic = LOGIC_TRUE;
				}
			}
			return 0;
		}
		case CS_MAIL_SEND_FILE:   /* Upload Attached File to E-mail */
			if (strchr(csi->str, '@')) {
				i = 1;
				netmail(csi->str, NULL, WM_FILE);
			}
			else if ((i = finduser(csi->str)) != 0
			         || (cfg.msg_misc & MM_REALNAME && (i = finduserstr(0, USER_NAME, csi->str)) != 0))
				email(i, NULL, NULL, WM_FILE);
			csi->logic = !i;
			return 0;
		case CS_MAIL_SEND_BULK:
			if (csi->str[0])
				p = arstr(NULL, csi->str, &cfg, NULL);
			else
				p = NULL;
			bulkmail(p);
			free(p);
			return 0;

		case CS_INC_MAIN_CMDS:
			main_cmds++;
			return 0;

		case CS_INC_FILE_CMDS:
			xfer_cmds++;
			return 0;

		case CS_SYSTEM_LOG:                 /* System log */
			if (!chksyspass())
				return 0;
			if (localtime_r(&now, &tm) == NULL)
				return 0;
			snprintf(str, sizeof str, "%slogs/%2.2d%2.2d%2.2d.log", cfg.logs_dir
			         , tm.tm_mon + 1, tm.tm_mday, TM_YEAR(tm.tm_year));
			printfile(str, 0);
			return 0;
		case CS_SYSTEM_YLOG:                /* Yesterday's log */
			if (!chksyspass())
				return 0;
			now -= (ulong)60L * 24L * 60L;
			if (localtime_r(&now, &tm) == NULL)
				return 0;
			snprintf(str, sizeof str, "%slogs/%2.2d%2.2d%2.2d.log", cfg.logs_dir
			         , tm.tm_mon + 1, tm.tm_mday, TM_YEAR(tm.tm_year));
			printfile(str, 0);
			return 0;
		case CS_SYSTEM_STATS:               /* System Statistics */
			sys_stats();
			return 0;
		case CS_NODE_STATS:              /* Node Statistics */
			node_stats(atoi(csi->str));
			return 0;
		case CS_CHANGE_USER:                 /* Change to another user */
			change_user();
			return 0;
		case CS_SHOW_MEM:
			return 0;
		case CS_ERROR_LOG:
			snprintf(str, sizeof str, "%serror.log", cfg.logs_dir);
			if (fexist(str)) {
				bputs(text[ErrorLogHdr]);
				printfile(str, 0);
				if (text[DeleteErrorLogQ][0] && !noyes(text[DeleteErrorLogQ]))
					(void)remove(str);
			}
			else
				bprintf(text[FileDoesNotExist], str);
			for (i = 1; i <= cfg.sys_nodes; i++) {
				getnodedat(i, &node);
				if (node.errors)
					break;
			}
			if (i <= cfg.sys_nodes || criterrs) {
				if (text[ClearErrCounter][0] == 0 || !noyes(text[ClearErrCounter])) {
					for (i = 1; i <= cfg.sys_nodes; i++) {
						if (getnodedat(i, &node, true)) {
							node.errors = 0;
							putnodedat(i, &node);
						}
						criterrs = 0;
					}
				}
			}
			return 0;
		case CS_ANSI_CAPTURE:           /* Capture ANSI codes */
			return 0;
		case CS_LIST_TEXT_FILE:              /* View ASCII/ANSI/Ctrl-A file */
			if (!chksyspass())
				return 0;
			bputs(text[Filename]);
			if (getstr(str, 60, K_TRIM))
				printfile(str, 0);
			return 0;
		case CS_EDIT_TEXT_FILE:              /* Edit ASCII/Ctrl-A file */
			if (!chksyspass())
				return 0;
			bputs(text[Filename]);
			if (getstr(str, 60, K_TRIM))
				editfile(str);
			return 0;
		case CS_GURU_LOG:
			snprintf(str, sizeof str, "%sguru.log", cfg.logs_dir);
			if (fexist(str)) {
				printfile(str, 0);
				term->newline();
				if (text[DeleteGuruLogQ][0] && !noyes(text[DeleteGuruLogQ]))
					remove(str);
			}
			return 0;
		case CS_FILE_SET_ALT_PATH:
			bprintf("Alternate Upload Paths are Unsupported\r\n");
			return 0;
		case CS_FILE_RESORT_DIRECTORY:
			lprintf(LOG_WARNING, "deprecated function: RESORT_DIRECTORY");
			return 0;

		case CS_FILE_GET:
			if (!fexist(csi->str)) {
				bputs(text[FileNotFound]);
				return 0;
			}
			if (!chksyspass())
				return 0;
		// fall-through
		case CS_FILE_SEND:

			csi->logic = sendfile(csi->str) ? LOGIC_TRUE:LOGIC_FALSE;
			return 0;

		case CS_FILE_PUT:
			csi->logic = LOGIC_FALSE;
			if (!chksyspass())
				return 0;
		// fall-through
		case CS_FILE_RECEIVE:
			csi->logic = recvfile(csi->str) ? LOGIC_TRUE:LOGIC_FALSE;
			return 0;

		case CS_FILE_UPLOAD_BULK:

			if (!usrlibs)
				return 0;

			if (!stricmp(csi->str, "ALL")) {     /* all libraries */
				for (i = 0; i < usrlibs; i++)
					for (j = 0; j < usrdirs[i]; j++) {
						if (cfg.lib[i]->offline_dir == usrdir[i][j])
							continue;
						if (bulkupload(usrdir[i][j]))
							return 0;
					}
				return 0;
			}
			if (!stricmp(csi->str, "LIB")) {     /* current library */
				for (i = 0; i < usrdirs[curlib]; i++) {
					if (cfg.lib[usrlib[curlib]]->offline_dir
					    == usrdir[curlib][i])
						continue;
					if (bulkupload(usrdir[curlib][i]))
						return 0;
				}
				return 0;
			}
			bulkupload(usrdir[curlib][curdir[curlib]]); /* current dir */
			return 0;

		case CS_FILE_FIND_OLD:
		case CS_FILE_FIND_OPEN:
		case CS_FILE_FIND_OFFLINE:
		case CS_FILE_FIND_OLD_UPLOADS:
			if (!usrlibs)
				return 0;
			if (!getfilespec(str))
				return 0;
			k = 0;
			bputs("\r\nSearching ");
			if (!stricmp(csi->str, "ALL"))
				bputs("all libraries");
			else if (!stricmp(csi->str, "LIB"))
				bputs("library");
			else
				bputs("directory");
			bputs(" for files ");
			if (*(csi->ip - 1) == CS_FILE_FIND_OLD_UPLOADS) {
				l = FI_OLDUL;
				bprintf("uploaded before %s\r\n", timestr(ns_time));
			}
			else if (*(csi->ip - 1) == CS_FILE_FIND_OLD) { /* go by download date */
				l = FI_OLD;
				bprintf("not downloaded since %s\r\n", timestr(ns_time));
			}
			else if (*(csi->ip - 1) == CS_FILE_FIND_OFFLINE) {
				l = FI_OFFLINE;
				bputs("not online...\r\n");
			}
			else {
				// e.g. FI_CLOSE;
				return 0;
			}
			if (!stricmp(csi->str, "ALL")) {
				for (i = 0; i < usrlibs; i++)
					for (j = 0; j < usrdirs[i]; j++) {
						if (cfg.lib[i]->offline_dir == usrdir[i][j])
							continue;
						if ((s = listfileinfo(usrdir[i][j], str, (char)l)) == -1)
							return 0;
						else
							k += s;
					}
			}
			else if (!stricmp(csi->str, "LIB")) {
				for (i = 0; i < usrdirs[curlib]; i++) {
					if (cfg.lib[usrlib[curlib]]->offline_dir == usrdir[curlib][i])
						continue;
					if ((s = listfileinfo(usrdir[curlib][i], str, (char)l)) == -1)
						return 0;
					else
						k += s;
				}
			}
			else {
				s = listfileinfo(usrdir[curlib][curdir[curlib]], str, (char)l);
				if (s == -1)
					return 0;
				k = s;
			}
			if (k > 1) {
				bprintf(text[NFilesListed], k);
			}
			return 0;
	}

	if (*(csi->ip - 1) >= CS_MSG_SET_AREA && *(csi->ip - 1) <= CS_MSG_UNUSED1) {
		csi->ip--;
		return exec_msg(csi);
	}

	if (*(csi->ip - 1) >= CS_FILE_SET_AREA && *(csi->ip - 1) <= CS_FILE_RECEIVE) {
		csi->ip--;
		return exec_file(csi);
	}

	errormsg(WHERE, ERR_CHK, "shell function", *(csi->ip - 1));
	return 0;
}
