/* $OpenBSD$ */

/*
 * Copyright (c) 2011 Nicholas Marriott <nicm@users.sourceforge.net>
 *
 * 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 <paths.h>

#include "tmux.h"

/*
 * This file has a tables with all the server, session and window
 * options. These tables are the master copy of the options with their real
 * (user-visible) types, range limits and default values. At start these are
 * copied into the runtime global options trees (which only has number and
 * string types). These tables are then used to loop up the real type when
 * the user sets an option or its value needs to be shown.
 */

/* Choice option type lists. */
const char *options_table_mode_keys_list[] = {
	"emacs", "vi", NULL
};
const char *options_table_clock_mode_style_list[] = {
	"12", "24", NULL
};
const char *options_table_status_keys_list[] = {
	"emacs", "vi", NULL
};
const char *options_table_status_justify_list[] = {
	"left", "centre", "right", NULL
};
const char *options_table_bell_action_list[] = {
	"none", "any", "current", NULL
};

/* Server options. */
const struct options_table_entry server_options_table[] = {
	{ .name = "buffer-limit",
	  .type = OPTIONS_TABLE_NUMBER,
	  .minimum = 1,
	  .maximum = INT_MAX,
	  .default_num = 20
	},

	{ .name = "escape-time",
	  .type = OPTIONS_TABLE_NUMBER,
	  .minimum = 0,
	  .maximum = INT_MAX,
	  .default_num = 500
	},

	{ .name = "exit-unattached",
	  .type = OPTIONS_TABLE_FLAG,
	  .default_num = 0
	},

	{ .name = "quiet",
	  .type = OPTIONS_TABLE_FLAG,
	  .default_num = 0 /* overridden in main() */
	},

	{ .name = NULL }
};

/* Session options. */
const struct options_table_entry session_options_table[] = {
	{ .name = "base-index",
	  .type = OPTIONS_TABLE_NUMBER,
	  .minimum = 0,
	  .maximum = INT_MAX,
	  .default_num = 0
	},

	{ .name = "bell-action",
	  .type = OPTIONS_TABLE_CHOICE,
	  .choices = options_table_bell_action_list,
	  .default_num = BELL_ANY
	},

	{ .name = "default-command",
	  .type = OPTIONS_TABLE_STRING,
	  .default_str = ""
	},

	{ .name = "default-path",
	  .type = OPTIONS_TABLE_STRING,
	  .default_str = ""
	},

	{ .name = "default-shell",
	  .type = OPTIONS_TABLE_STRING,
	  .default_str = _PATH_BSHELL
	},

	{ .name = "default-terminal",
	  .type = OPTIONS_TABLE_STRING,
	  .default_str = "screen"
	},

	{ .name = "destroy-unattached",
	  .type = OPTIONS_TABLE_FLAG,
	  .default_num = 0
	},

	{ .name = "detach-on-destroy",
	  .type = OPTIONS_TABLE_FLAG,
	  .default_num = 1
	},

	{ .name = "display-panes-active-colour",
	  .type = OPTIONS_TABLE_COLOUR,
	  .default_num = 1
	},

	{ .name = "display-panes-colour",
	  .type = OPTIONS_TABLE_COLOUR,
	  .default_num = 4
	},

	{ .name = "display-panes-time",
	  .type = OPTIONS_TABLE_NUMBER,
	  .minimum = 1,
	  .maximum = INT_MAX,
	  .default_num = 1000
	},

	{ .name = "display-time",
	  .type = OPTIONS_TABLE_NUMBER,
	  .minimum = 1,
	  .maximum = INT_MAX,
	  .default_num = 750
	},

	{ .name = "history-limit",
	  .type = OPTIONS_TABLE_NUMBER,
	  .minimum = 0,
	  .maximum = INT_MAX,
	  .default_num = 2000
	},

	{ .name = "lock-after-time",
	  .type = OPTIONS_TABLE_NUMBER,
	  .minimum = 0,
	  .maximum = INT_MAX,
	  .default_num = 0
	},

	{ .name = "lock-command",
	  .type = OPTIONS_TABLE_STRING,
	  .default_str = "lock -np"
	},

	{ .name = "lock-server",
	  .type = OPTIONS_TABLE_FLAG,
	  .default_num = 1
	},

	{ .name = "message-attr",
	  .type = OPTIONS_TABLE_ATTRIBUTES,
	  .default_num = 0
	},

	{ .name = "message-bg",
	  .type = OPTIONS_TABLE_COLOUR,
	  .default_num = 3
	},

	{ .name = "message-fg",
	  .type = OPTIONS_TABLE_COLOUR,
	  .default_num = 0
	},

	{ .name = "message-limit",
	  .type = OPTIONS_TABLE_NUMBER,
	  .minimum = 0,
	  .maximum = INT_MAX,
	  .default_num = 20
	},

	{ .name = "mouse-select-pane",
	  .type = OPTIONS_TABLE_FLAG,
	  .default_num = 0
	},

	{ .name = "mouse-utf8",
	  .type = OPTIONS_TABLE_FLAG,
	  .default_num = 0
	},

	{ .name = "pane-active-border-bg",
	  .type = OPTIONS_TABLE_COLOUR,
	  .default_num = 8
	},

	{ .name = "pane-active-border-fg",
	  .type = OPTIONS_TABLE_COLOUR,
	  .default_num = 2
	},

	{ .name = "pane-border-bg",
	  .type = OPTIONS_TABLE_COLOUR,
	  .default_num = 8
	},

	{ .name = "pane-border-fg",
	  .type = OPTIONS_TABLE_COLOUR,
	  .default_num = 8
	},

	{ .name = "prefix",
	  .type = OPTIONS_TABLE_KEYS,
	  /* set in main() */
	},

	{ .name = "repeat-time",
	  .type = OPTIONS_TABLE_NUMBER,
	  .minimum = 0,
	  .maximum = SHRT_MAX,
	  .default_num = 500
	},

	{ .name = "set-remain-on-exit",
	  .type = OPTIONS_TABLE_FLAG,
	  .default_num = 0
	},

	{ .name = "set-titles",
	  .type = OPTIONS_TABLE_FLAG,
	  .default_num = 0
	},

	{ .name = "set-titles-string",
	  .type = OPTIONS_TABLE_STRING,
	  .default_str = "#S:#I:#W - \"#T\""
	},

	{ .name = "status",
	  .type = OPTIONS_TABLE_FLAG,
	  .default_num = 1
	},

	{ .name = "status-attr",
	  .type = OPTIONS_TABLE_ATTRIBUTES,
	  .default_num = 0
	},

	{ .name = "status-bg",
	  .type = OPTIONS_TABLE_COLOUR,
	  .default_num = 2
	},

	{ .name = "status-fg",
	  .type = OPTIONS_TABLE_COLOUR,
	  .default_num = 0
	},

	{ .name = "status-interval",
	  .type = OPTIONS_TABLE_NUMBER,
	  .minimum = 0,
	  .maximum = INT_MAX,
	  .default_num = 15
	},

	{ .name = "status-justify",
	  .type = OPTIONS_TABLE_CHOICE,
	  .choices = options_table_status_justify_list,
	  .default_num = 0
	},

	{ .name = "status-keys",
	  .type = OPTIONS_TABLE_CHOICE,
	  .choices = options_table_status_keys_list,
	  .default_num = MODEKEY_EMACS
	},

	{ .name = "status-left",
	  .type = OPTIONS_TABLE_STRING,
	  .default_str = "[#S]"
	},

	{ .name = "status-left-attr",
	  .type = OPTIONS_TABLE_ATTRIBUTES,
	  .default_num = 0
	},

	{ .name = "status-left-bg",
	  .type = OPTIONS_TABLE_COLOUR,
	  .default_num = 8
	},

	{ .name = "status-left-fg",
	  .type = OPTIONS_TABLE_COLOUR,
	  .default_num = 8
	},

	{ .name = "status-left-length",
	  .type = OPTIONS_TABLE_NUMBER,
	  .minimum = 0,
	  .maximum = SHRT_MAX,
	  .default_num = 10
	},

	{ .name = "status-right",
	  .type = OPTIONS_TABLE_STRING,
	  .default_str = "\"#22T\" %H:%M %d-%b-%y"
	},

	{ .name = "status-right-attr",
	  .type = OPTIONS_TABLE_ATTRIBUTES,
	  .default_num = 0
	},

	{ .name = "status-right-bg",
	  .type = OPTIONS_TABLE_COLOUR,
	  .default_num = 8
	},

	{ .name = "status-right-fg",
	  .type = OPTIONS_TABLE_COLOUR,
	  .default_num = 8
	},

	{ .name = "status-right-length",
	  .type = OPTIONS_TABLE_NUMBER,
	  .minimum = 0,
	  .maximum = SHRT_MAX,
	  .default_num = 40
	},

	{ .name = "status-utf8",
	  .type = OPTIONS_TABLE_FLAG,
	  .default_num = 0 /* overridden in main() */
	},

	{ .name = "terminal-overrides",
	  .type = OPTIONS_TABLE_STRING,
	  .default_str = "*88col*:colors=88,*256col*:colors=256"
	},

	{ .name = "update-environment",
	  .type = OPTIONS_TABLE_STRING,
	  .default_str = "DISPLAY SSH_ASKPASS SSH_AUTH_SOCK SSH_AGENT_PID "
	                    "SSH_CONNECTION WINDOWID XAUTHORITY"

	},

	{ .name = "visual-activity",
	  .type = OPTIONS_TABLE_FLAG,
	  .default_num = 0
	},

	{ .name = "visual-bell",
	  .type = OPTIONS_TABLE_FLAG,
	  .default_num = 0
	},

	{ .name = "visual-content",
	  .type = OPTIONS_TABLE_FLAG,
	  .default_num = 0
	},

	{ .name = "visual-silence",
	  .type = OPTIONS_TABLE_FLAG,
	  .default_num = 0
	},

	{ .name = NULL }
};

/* Window options. */
const struct options_table_entry window_options_table[] = {
	{ .name = "aggressive-resize",
	  .type = OPTIONS_TABLE_FLAG,
	  .default_num = 0
	},

	{ .name = "alternate-screen",
	  .type = OPTIONS_TABLE_FLAG,
	  .default_num = 1
	},

	{ .name = "automatic-rename",
	  .type = OPTIONS_TABLE_FLAG,
	  .default_num = 1
	},

	{ .name = "clock-mode-colour",
	  .type = OPTIONS_TABLE_COLOUR,
	  .default_num = 4
	},

	{ .name = "clock-mode-style",
	  .type = OPTIONS_TABLE_CHOICE,
	  .choices = options_table_clock_mode_style_list,
	  .default_num = 1
	},

	{ .name = "force-height",
	  .type = OPTIONS_TABLE_NUMBER,
	  .minimum = 0,
	  .maximum = INT_MAX,
	  .default_num = 0
	},

	{ .name = "force-width",
	  .type = OPTIONS_TABLE_NUMBER,
	  .minimum = 0,
	  .maximum = INT_MAX,
	  .default_num = 0
	},

	{ .name = "main-pane-height",
	  .type = OPTIONS_TABLE_NUMBER,
	  .minimum = 1,
	  .maximum = INT_MAX,
	  .default_num = 24
	},

	{ .name = "main-pane-width",
	  .type = OPTIONS_TABLE_NUMBER,
	  .minimum = 1,
	  .maximum = INT_MAX,
	  .default_num = 80
	},

	{ .name = "mode-attr",
	  .type = OPTIONS_TABLE_ATTRIBUTES,
	  .default_num = 0
	},

	{ .name = "mode-bg",
	  .type = OPTIONS_TABLE_COLOUR,
	  .default_num = 3
	},

	{ .name = "mode-fg",
	  .type = OPTIONS_TABLE_COLOUR,
	  .default_num = 0
	},

	{ .name = "mode-keys",
	  .type = OPTIONS_TABLE_CHOICE,
	  .choices = options_table_mode_keys_list,
	  .default_num = MODEKEY_EMACS
	},

	{ .name = "mode-mouse",
	  .type = OPTIONS_TABLE_FLAG,
	  .default_num = 0
	},

	{ .name = "monitor-activity",
	  .type = OPTIONS_TABLE_FLAG,
	  .default_num = 0
	},

	{ .name = "monitor-content",
	  .type = OPTIONS_TABLE_STRING,
	  .default_str = ""
	},

	{ .name = "monitor-silence",
	  .type = OPTIONS_TABLE_NUMBER,
	  .minimum = 0,
	  .maximum = INT_MAX,
	  .default_num = 0
	},

	{ .name = "other-pane-height",
	  .type = OPTIONS_TABLE_NUMBER,
	  .minimum = 0,
	  .maximum = INT_MAX,
	  .default_num = 0
	},

	{ .name = "other-pane-width",
	  .type = OPTIONS_TABLE_NUMBER,
	  .minimum = 0,
	  .maximum = INT_MAX,
	  .default_num = 0
	},

	{ .name = "remain-on-exit",
	  .type = OPTIONS_TABLE_FLAG,
	  .default_num = 0
	},

	{ .name = "synchronize-panes",
	  .type = OPTIONS_TABLE_FLAG,
	  .default_num = 0
	},

	{ .name = "utf8",
	  .type = OPTIONS_TABLE_FLAG,
	  .default_num = 0 /* overridden in main() */
	},

	{ .name = "window-status-alert-attr",
	  .type = OPTIONS_TABLE_ATTRIBUTES,
	  .default_num = GRID_ATTR_REVERSE
	},

	{ .name = "window-status-alert-bg",
	  .type = OPTIONS_TABLE_COLOUR,
	  .default_num = 8
	},

	{ .name = "window-status-alert-fg",
	  .type = OPTIONS_TABLE_COLOUR,
	  .default_num = 8
	},

	{ .name = "window-status-attr",
	  .type = OPTIONS_TABLE_ATTRIBUTES,
	  .default_num = 0
	},

	{ .name = "window-status-bg",
	  .type = OPTIONS_TABLE_COLOUR,
	  .default_num = 8
	},

	{ .name = "window-status-current-attr",
	  .type = OPTIONS_TABLE_ATTRIBUTES,
	  .default_num = 0
	},

	{ .name = "window-status-current-bg",
	  .type = OPTIONS_TABLE_COLOUR,
	  .default_num = 8
	},

	{ .name = "window-status-current-fg",
	  .type = OPTIONS_TABLE_COLOUR,
	  .default_num = 8
	},

	{ .name = "window-status-current-format",
	  .type = OPTIONS_TABLE_STRING,
	  .default_str = "#I:#W#F"
	},

	{ .name = "window-status-fg",
	  .type = OPTIONS_TABLE_COLOUR,
	  .default_num = 8
	},

	{ .name = "window-status-format",
	  .type = OPTIONS_TABLE_STRING,
	  .default_str = "#I:#W#F"
	},

	{ .name = "word-separators",
	  .type = OPTIONS_TABLE_STRING,
	  .default_str = " -_@"
	},

	{ .name = "xterm-keys",
	  .type = OPTIONS_TABLE_FLAG,
	  .default_num = 0
	},

	{ .name = NULL }
};

/* Populate an options tree from a table. */
void
options_table_populate_tree(
    const struct options_table_entry *table, struct options *oo)
{
	const struct options_table_entry	*oe;

	for (oe = table; oe->name != NULL; oe++) {
		if (oe->default_str != NULL)
			options_set_string(oo, oe->name, "%s", oe->default_str);
		else
			options_set_number(oo, oe->name, oe->default_num);
	}
}

/* Print an option using its type from the table. */
const char *
options_table_print_entry(
    const struct options_table_entry *oe, struct options_entry *o)
{
	static char				 out[BUFSIZ];
	const char				*s;
	struct keylist				*keylist;
	u_int					 i;

	*out = '\0';
	switch (oe->type) {
	case OPTIONS_TABLE_STRING:
		xsnprintf(out, sizeof out, "\"%s\"", o->str);
		break;
	case OPTIONS_TABLE_NUMBER:
		xsnprintf(out, sizeof out, "%lld", o->num);
		break;
	case OPTIONS_TABLE_KEYS:
		keylist = o->data;
		for (i = 0; i < ARRAY_LENGTH(keylist); i++) {
			s = key_string_lookup_key(ARRAY_ITEM(keylist, i));
			strlcat(out, s, sizeof out);
			if (i != ARRAY_LENGTH(keylist) - 1)
				strlcat(out, ",", sizeof out);
		}
		break;
	case OPTIONS_TABLE_COLOUR:
		s = colour_tostring(o->num);
		xsnprintf(out, sizeof out, "%s", s);
		break;
	case OPTIONS_TABLE_ATTRIBUTES:
		s = attributes_tostring(o->num);
		xsnprintf(out, sizeof out, "%s", s);
		break;
	case OPTIONS_TABLE_FLAG:
		if (o->num)
			strlcpy(out, "on", sizeof out);
		else
			strlcpy(out, "off", sizeof out);
		break;
	case OPTIONS_TABLE_CHOICE:
		s = oe->choices[o->num];
		xsnprintf(out, sizeof out, "%s", s);
		break;
	}
	return (out);
}