/* $OpenBSD: cmd-detach-client.c,v 1.38 2024/03/21 11:27:18 nicm Exp $ */

/*
 * Copyright (c) 2007 Nicholas Marriott <nicholas.marriott@gmail.com>
 *
 * Permission to use, copy, modify, and distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
 * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
 * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 */

#include <sys/types.h>

#include <string.h>

#include "tmux.h"

/*
 * Detach a client.
 */

static enum cmd_retval  cmd_detach_client_exec(struct cmd *,
                            struct cmdq_item *);

const struct cmd_entry cmd_detach_client_entry = {
        .name = "detach-client",
        .alias = "detach",

        .args = { "aE:s:t:P", 0, 0, NULL },
        .usage = "[-aP] [-E shell-command] "
                 "[-s target-session] " CMD_TARGET_CLIENT_USAGE,

        .source = { 's', CMD_FIND_SESSION, CMD_FIND_CANFAIL },

        .flags = CMD_READONLY|CMD_CLIENT_TFLAG,
        .exec = cmd_detach_client_exec
};

const struct cmd_entry cmd_suspend_client_entry = {
        .name = "suspend-client",
        .alias = "suspendc",

        .args = { "t:", 0, 0, NULL },
        .usage = CMD_TARGET_CLIENT_USAGE,

        .flags = CMD_CLIENT_TFLAG,
        .exec = cmd_detach_client_exec
};

static enum cmd_retval
cmd_detach_client_exec(struct cmd *self, struct cmdq_item *item)
{
        struct args             *args = cmd_get_args(self);
        struct cmd_find_state   *source = cmdq_get_source(item);
        struct client           *tc = cmdq_get_target_client(item), *loop;
        struct session          *s;
        enum msgtype             msgtype;
        const char              *cmd = args_get(args, 'E');

        if (cmd_get_entry(self) == &cmd_suspend_client_entry) {
                server_client_suspend(tc);
                return (CMD_RETURN_NORMAL);
        }

        if (args_has(args, 'P'))
                msgtype = MSG_DETACHKILL;
        else
                msgtype = MSG_DETACH;

        if (args_has(args, 's')) {
                s = source->s;
                if (s == NULL)
                        return (CMD_RETURN_NORMAL);
                TAILQ_FOREACH(loop, &clients, entry) {
                        if (loop->session == s) {
                                if (cmd != NULL)
                                        server_client_exec(loop, cmd);
                                else
                                        server_client_detach(loop, msgtype);
                        }
                }
                return (CMD_RETURN_STOP);
        }

        if (args_has(args, 'a')) {
                TAILQ_FOREACH(loop, &clients, entry) {
                        if (loop->session != NULL && loop != tc) {
                                if (cmd != NULL)
                                        server_client_exec(loop, cmd);
                                else
                                        server_client_detach(loop, msgtype);
                        }
                }
                return (CMD_RETURN_NORMAL);
        }

        if (cmd != NULL)
                server_client_exec(tc, cmd);
        else
                server_client_detach(tc, msgtype);
        return (CMD_RETURN_STOP);
}