/*
 *  Empire - A multi-player, client/server Internet based war game.
 *  Copyright (C) 1986-2000, Dave Pare, Jeff Bailey, Thomas Ruschak,
 *                           Ken Stevens, Steve McClure
 *
 *  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.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 *  ---
 *
 *  See the "LEGAL", "LICENSE", "CREDITS" and "README" files for all the
 *  related information and legal notices. It is expected that any future
 *  projects/authors will amend these files as needed.
 *
 *  ---
 *
 *  diss.c: Dissolve
 * 
 *  Known contributors to this file:
 *     
 */

#include "misc.h"
#include "player.h"
#include "var.h"
#include "sect.h"
#include "ship.h"
#include "plane.h"
#include "land.h"
#include "nat.h"
#include "loan.h"
#include "treaty.h"
#include "news.h"
#include "file.h"
#include "xy.h"
#include "nsc.h"
#include "tel.h"
#include "nuke.h"
#include "trade.h"
#include "commands.h"

int
diss(void)
{
    int quit(void);
    struct sctstr sect;
    struct lndstr land;
    struct shpstr ship;
    struct plnstr plane;
    struct trtstr treaty;
    struct trdstr trade;
    struct lonstr loan;
    struct nstr_item ni;
    struct nstr_sect ns;
    int sctnum;
    int damage;
    int annoyed;
    int n;
    s_char *p;
    natid cn;
    float dummy;
    int val;
    s_char buf[1024];
    struct natstr *np;

    if (player->cnum == 0) {
	/* Dissolve the Deity??? */
	/* Probably someone broke in. */
	/* Send a tele to deity, and abort the session. */
	wu(0, 0, "Diety dissolve attempted!  Session was aborted.\n");
	quit();
    }
    if (player->argp[1])
	*player->argp[1] = 0;
    p = getstarg(player->argp[1], "Are you SURE you want to do this? (n) ",
		 buf);
    if (p == 0 || *p != 'y')
	return RET_SYN;
    pr("\nIf you want some problem fixed and hope to force the issue\n");
    pr("by dissolving, DON'T DO IT.  Even if an earlier version of\n");
    pr("this game is brought up, YOU WILL BE GONE.\n");
    pr("Forcing the issue makes it less likely that it will be\n");
    pr("resolved the way you wish it.\n\n");
    pr("Be part of the solution, not part of the problem.\n\n");
    pr("If this is a test game, dissolving will not help the test.\n\n");
    pr("If you are down to 0 sectors, and a 25% fishing vessel with\n");
    pr("1 mil on it, well, I can see your point.  Go ahead.\n\n");
    pr("But at least pay back your loans, if you can.\n\n");

    if (player->argp[1])
	*player->argp[1] = 0;
    p = getstarg(player->argp[1],
		 "Once again, are you SURE you want to do this? (n) ",
		 buf);
    if (p == 0 || *p != 'y')
	return RET_SYN;

    np = getnatp(player->cnum);
    np->nat_stat = VIS;
    snxtsct_all(&ns);
    sctnum = 0;
    while (nxtsct(&ns, &sect)) {
	if (!player->owner)
	    continue;
	annoyed = 75 - (random() % (sect.sct_loyal + 40));
	if (annoyed <= 0 || sect.sct_oldown != sect.sct_own) {
	    pr("Populace celebrates in %s\n",
	       xyas(sect.sct_x, sect.sct_y, player->cnum));
	    if (sect.sct_oldown != sect.sct_own) {
		makelost(EF_SECTOR, sect.sct_own, 0, sect.sct_x,
			 sect.sct_y);
		makenotlost(EF_SECTOR, sect.sct_oldown, 0, sect.sct_x,
			    sect.sct_y);
		sect.sct_own = sect.sct_oldown;
		if (sect.sct_own != 0)
		    wu(0, sect.sct_own,
		       "%s reverts back to you!\n",
		       xyas(sect.sct_x, sect.sct_y, sect.sct_own));
	    }
	} else if (annoyed < 25) {
	    pr("Populace unmoved in %s\n",
	       xyas(sect.sct_x, sect.sct_y, player->cnum));
	    makelost(EF_SECTOR, sect.sct_own, 0, sect.sct_x, sect.sct_y);
	    sect.sct_own = 0;
	    sect.sct_oldown = 0;
	} else {
	    pr("Rioting breaks out in %s\n",
	       xyas(sect.sct_x, sect.sct_y, player->cnum));
	    sectdamage(&sect, annoyed, 0);
	    sctnum++;
	    makelost(EF_SECTOR, sect.sct_own, 0, sect.sct_x, sect.sct_y);
	    sect.sct_own = 0;
	    sect.sct_oldown = 0;
	}
	putsect(&sect);
    }
    snxtitem_all(&ni, EF_LAND);
    while (nxtitem(&ni, (s_char *)&land)) {
	if (!player->owner)
	    continue;

	pr("%s disbands!\n", prland(&land));
	land.lnd_effic = 0;
	putland(land.lnd_uid, &land);
    }
    snxtitem_all(&ni, EF_SHIP);
    while (nxtitem(&ni, (s_char *)&ship)) {
	if (!player->owner)
	    continue;
	pr("%s ", prship(&ship));
	switch (random() % 3) {
	case 0:
	    pr("scuttled!\n");
	    ship.shp_effic = 0;
	    break;
	case 1:
	    pr("abandoned!\n");
	    putvar(V_MILIT, 0, (s_char *)&ship, EF_SHIP);
	    putvar(V_CIVIL, 0, (s_char *)&ship, EF_SHIP);
	    putvar(V_UW, 0, (s_char *)&ship, EF_SHIP);
	    break;
	case 2:
	default:
	    damage = (random() % 80) + 10;
	    pr("crew has rioted! (%d damage)\n", damage);
	    shipdamage(&ship, damage);
	    sctnum++;
	    break;
	}
	putship(ship.shp_uid, &ship);
    }
    snxtitem_all(&ni, EF_PLANE);
    while (nxtitem(&ni, (s_char *)&plane)) {
	if (!player->owner)
	    continue;
	pr("%s ", prplane(&plane));
	switch (random() % 2) {
	case 0:
	    pr("blown up!\n");
	    plane.pln_effic = 0;
	    break;
	case 1:
	default:
	    damage = (random() % 80) + 10;
	    pr("crew has rioted! (%d damage)\n", damage);
	    planedamage(&plane, damage);
	    sctnum++;
	    break;
	}
	putplane(plane.pln_uid, &plane);
    }
    snxtitem_all(&ni, EF_TREATY);
    while (nxtitem(&ni, (s_char *)&treaty)) {
	if (treaty.trt_status == TS_FREE)
	    continue;
	if (treaty.trt_cna != player->cnum &&
	    treaty.trt_cnb != player->cnum)
	    continue;
	cn = treaty.trt_cna ==
	    player->cnum ? treaty.trt_cnb : treaty.trt_cna;
	pr("No more treaty with %s\n", cname(cn));
	wu(0, cn, "Treaty #%d with %s voided\n",
	   ni.cur, cname(player->cnum));
	treaty.trt_status = TS_FREE;
	puttre(ni.cur, &treaty);
    }
    snxtitem_all(&ni, EF_LOAN);
    while (nxtitem(&ni, (s_char *)&loan)) {
	if (loan.l_status == LS_FREE)
	    continue;
	if (loan.l_loner != player->cnum && loan.l_lonee != player->cnum)
	    continue;
	if (loan.l_loner == player->cnum) {
	    pr("Loan #%d to %s will never be repaid\n",
	       ni.cur, cname(loan.l_lonee));
	    wu(0, loan.l_lonee,
	       "Loan #%d from %s has been voided\n",
	       ni.cur, cname(player->cnum));
	} else {
	    pr("Loan #%d from %s will never be repaid\n",
	       ni.cur, cname(loan.l_lonee));
	    wu(0, loan.l_loner,
	       "Loan #%d to %s has been voided\n",
	       ni.cur, cname(player->cnum));
	}
	loan.l_status = LS_FREE;
	putloan(ni.cur, &loan);
    }
    /* clean up commodity and trade for this nation. */
    commlock();
    commread();
    for (n = 1; n < I_MAX + 1; n++) {
	val = commamt(player->cnum, n, &dummy);
	commset(player->cnum, n, -val);
    }
    commwrite();
    communlock();
    snxtitem_all(&ni, EF_TRADE);
    while (nxtitem(&ni, (s_char *)&trade)) {
	if (trade.trd_unitid >= 0 && trade.trd_owner == player->cnum) {
	    trade.trd_unitid = -1;
	    (void)puttrade(ni.cur, &trade);
	}
    }
    while (sctnum > 0) {
	n = sctnum > 127 ? 127 : sctnum;
	nreport(player->cnum, N_RIOT, 0, n);
	sctnum -= n;
    }
    filetruncate(mailbox(buf, player->cnum));
    np->nat_stat = STAT_INUSE;
    np->nat_btu = 0;
    player->nstat = VIS;
    wu(0, 0, "Country #%d (%s) has dissolved\n",
       player->cnum, cname(player->cnum));
    nreport(player->cnum, N_DISS_GOV, 0, 1);
    putnat(np);
    return RET_OK;
}