public class Trade {
    static String[] list = new String[Monop.MAX_PRP() + 2];
    static int[] used = new int[Monop.MAX_PRP() ];
    static Trd_st[] trades = new Trd_st[2];
    static {
        for (int i = 0;i < 2;i++) {
            trades[i] = new Trd_st();
        }
        for (int i = 0;i < Monop.MAX_PRP() + 2;i++) {
            list[i] = new String();
        }
    }
    public static void trade() {
        int tradee = 0;
        int i = 0;
        Monop.trading = true;
        for (i = 0;i < 2;i++) {
            trades[i].cash = 0;
            trades[i].gojf = 0;
            trades[i].prop_list = null;
        }
        while (true) {
            if (Monop.num_play == 1) {
                System.out.println("There ain't no-one around to trade WITH!!");
                return;
            }
            if (Monop.num_play > 2) {
                tradee = GetInput.getinp("Which player do you wish to trade with? ", Monop.name_list);
                if (tradee == Monop.num_play) {
                    return;
                }
                if (tradee == Monop.player) {
                    System.out.println("You can't trade with yourself!");
                    continue;
                }
            }
            else {
                tradee = 1 - Monop.player;
            }
            break;
        }
        get_list(0, Monop.player);
        get_list(1, tradee);
        if (Misc.getyn("Do you wish a summary? ") == 0) {
            summate();
        }
        if (Misc.getyn("Is the trade ok? ") == 0) {
            do_trade();
        }
    }
    static void get_list(int struct_no, int play_no) {
        int sn = 0;
        int pn = 0;
        Plr_st pp = null;
        int numin = 0;
        int prop = 0;
        int num_prp = 0;
        Own_st op = null;
        Trd_st tp = null;
        for (numin = 0;numin < Monop.MAX_PRP();numin++) {
            used[numin] = 0;
        }
        sn = struct_no;
        pn = play_no;
        pp = Monop.play[pn];
        tp = trades[sn];
        tp.trader = pn;
        System.out.println("player " + pp.name + " (" + (pn + 1) + "):");
        if (pp.own_list != null) {
            numin = set_list(pp.own_list);
            for (num_prp = numin;num_prp != 0;) {
                prop = GetInput.getinp("Which property do you wish to trade? ", list);
                if (prop == numin) {
                    break;
                }
                else if (used[prop] != 0) {
                    System.out.println("You've already allocated that.");
                }
                else {
                    num_prp--;
                    used[prop] = 1;
                    for (op = pp.own_list;prop-- != 0;op = op.next) {
                        continue;
                    }
                    PropertyFunctions.add_list(pn, tp.prop_list, Monop.sqnum(op.sqr));
                }
            }
        }
        if (pp.money > 0) {
            System.out.print("You have $" + pp.money + "  ");
            tp.cash = Misc.get_int("How much are you trading? ");
        }
        if (pp.num_gojf > 0) {
            while (true) {
                System.out.print("You have " + pp.num_gojf + " get-out-of-jail-free cards. ");
                tp.gojf = Misc.get_int("How many are you trading? ");
                if (tp.gojf > pp.num_gojf) {
                    System.out.println("You don't have that many.  Try again.");
                    continue;
                }
                break;
            }
        }
    }
    static int set_list(Own_st the_list) {
        int i = 0;
        Own_st op = null;
        i = 0;
        for (op = the_list;op != null;op = op.next) {
            if ( ! (used[i] != 0)) {
                list[i++] = op.sqr.name;
            }
        }
        list[i++] = "done";
        list[i--] = null;
        return i;
    }
    static void summate() {
        boolean some = false;
        int i = 0;
        Trd_st tp = null;
        Own_st op = null;
        for (i = 0;i < 2;i++) {
            tp = trades[i];
            some = false;
            System.out.println("Player " + (Monop.play[tp.trader].name) + " (" + (tp.trader + 1) + ") gives:");
            if (tp.cash > 0) {
                System.out.println("\t$" + tp.cash);
                some = true;
            }
            if (tp.gojf > 0) {
                System.out.println("\t" + tp.gojf + " get-out-of-jail-free card(s)");
                some = true;
            }
            if (tp.prop_list != null) {
                for (op = tp.prop_list;op != null;op = op.next) {
                    System.out.print('\t');
                    Print.printsq(Monop.sqnum(op.sqr) , true);
                }
                some = true;
            }
            if ( ! some) {
                System.out.println("\t-- Nothing --");
            }
        }
    }
    static void do_trade() {
        move_em(trades[0], trades[1]);
        move_em(trades[1], trades[0]);
    }
    static void move_em(Trd_st from, Trd_st to) {
        Plr_st pl_fr = null;
        Plr_st pl_to = null;
        Own_st op = null;
        pl_fr = Monop.play[from.trader];
        pl_to = Monop.play[to.trader];
        pl_fr.money -= from.cash;
        pl_to.money += from.cash;
        pl_fr.num_gojf -= from.gojf;
        pl_to.num_gojf += from.gojf;
        for (op = from.prop_list;op != null;op = op.next) {
            PropertyFunctions.add_list(to.trader, pl_to.own_list, Monop.sqnum(op.sqr));
            op.sqr.owner = to.trader;
            PropertyFunctions.del_list(from.trader, pl_fr.own_list, Monop.sqnum(op.sqr));
        }
        Misc.set_ownlist(to.trader);
    }
    public static void resign() {
        int i = 0;
        int new_own = 0;
        Own_st op = null;
        Sqr_st sqp = null;
        if (Monop.cur_p.money <= 0) {
            switch (Monop.board[Monop.cur_p.loc].type) {
                case Monop.UTIL:
                case Monop.RR:
                case Monop.PRPTY:
                    new_own = Monop.board[Monop.cur_p.loc].owner;
                    break;
                default :
                    new_own = Monop.num_play;
                    break;
            }
            if (new_own == Monop.num_play) {
                System.out.println("You would resign to the bank");
            }
            else {
                System.out.println("You would resign to " + (Monop.name_list[new_own]));
            }
        }
        else if (Monop.num_play == 1) {
            new_own = Monop.num_play;
            System.out.println("You would resign to the bank");
        }
        else {
            Monop.name_list[Monop.num_play] = "bank";
            do {
                new_own = GetInput.getinp("Who do you wish to resign to? ", Monop.name_list);
                if (new_own == Monop.player) {
                    System.out.println("You can't resign to yourself!!");
                }
            }
            while (new_own == Monop.player);
            Monop.name_list[Monop.num_play] = "done";
        }
        if (Misc.getyn("Do you really want to resign? ") != 0) {
            return;
        }
        if (Monop.num_play == 1) {
            System.out.println("Then NOBODY wins (not even YOU!)");
            System.exit(0);
        }
        if (new_own < Monop.num_play) {
            System.out.println("resigning to player");
            trades[0].trader = new_own;
            trades[0].gojf = 0;
            trades[0].cash = trades[0].gojf;
            trades[0].prop_list = null;
            trades[1].trader = Monop.player;
            trades[1].cash = Math.max(Monop.cur_p.money, 0);
            trades[1].gojf = Monop.cur_p.num_gojf;
            trades[1].prop_list = Monop.cur_p.own_list;
            do_trade();
        }
        else {
            System.out.println("resigning to bank");
            for (op = Monop.cur_p.own_list;op != null;op = op.next) {
                sqp = op.sqr;
                sqp.owner = - 1;
                sqp.desc.morg = false;
                if ((int) sqp.type == Monop.PRPTY) {
                    Misc.isnot_monop(sqp.desc.mon_desc);
                    sqp.desc.houses = 0;
                }
            }
            if (Monop.cur_p.num_gojf != 0) {
                Jail.ret_card(Monop.cur_p);
            }
        }
        for (i = Monop.player;i < Monop.num_play;i++) {
            Monop.name_list[i] = Monop.name_list[i + 1];
            if (i + 1 < Monop.num_play) {
                Monop.play[i] = Monop.play[i + 1];
            }
        }
        Monop.name_list[Monop.num_play--] = null;
        for (i = 0;i < Monop.N_SQRS;i++) {
            if (Monop.board[i].owner > Monop.player) {
                --Monop.board[i].owner;
            }
        }
        Monop.player =--Monop.player < 0 ? Monop.num_play - 1:Monop.player;
        Misc.next_play();
        if (Monop.num_play < 2) {
            System.out.println("\nThen " + (Monop.play[0].name) + " WINS!!!!!");
            Print.printhold(0);
            System.out.println("That's a grand worth of $" + (Monop.play[0].money + PropertyFunctions.prop_worth(Monop.play[0])));
            System.exit(0);
        }
    }
}