/* $OpenBSD$ */

/*
* Copyright (c) 2007 Nicholas Marriott <[email protected]>
*
* 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);
}