// esef_mode.sma - switch the server between FFA deathmatch (CSDM-ReAPI) and GunGame.
// Server command (use via RCON):  esef_mode            -> prints the current mode
//                                 esef_mode gg | dm     -> switches and reloads the current map
// AMXX loads every configs/plugins-*.ini at each map change, so a mode is just which of the
// two plugin lists is named .ini and which .ini.off. The choice survives restarts.

#include <amxmodx>
#include <amxmisc>

new const GG_INI[] = "plugins-gungame.ini"
new const DM_INI[] = "plugins-CSDM_ReAPI.ini"

new g_dir[64]

public plugin_init()
{
	register_plugin("DM/GG mode switch", "1.0", "cs16-dm-server")
	register_srvcmd("esef_mode", "CmdMode", -1, "[dm|gg] - show or switch game mode (reloads the map)")
	get_configsdir(g_dir, charsmax(g_dir))
}

bool:IsOn(const ini[])
{
	new path[128]
	formatex(path, charsmax(path), "%s/%s", g_dir, ini)
	return bool:file_exists(path)
}

// enable: <ini>.off -> <ini>   disable: <ini> -> <ini>.off
SetIni(const ini[], bool:enable)
{
	new on[128], off[128]
	formatex(on, charsmax(on), "%s/%s", g_dir, ini)
	formatex(off, charsmax(off), "%s/%s.off", g_dir, ini)
	if (enable && !file_exists(on) && file_exists(off))
		rename_file(off, on, 1)
	else if (!enable && file_exists(on))
		rename_file(on, off, 1)
}

public CmdMode()
{
	new arg[8]
	read_argv(1, arg, charsmax(arg))

	new bool:gg = IsOn(GG_INI)
	if (!arg[0])
	{
		server_print("[esef_mode] current mode: %s", gg ? "gg (GunGame)" : "dm (FFA deathmatch)")
		return PLUGIN_HANDLED
	}

	new bool:wantGG
	if (equali(arg, "gg"))
		wantGG = true
	else if (equali(arg, "dm"))
		wantGG = false
	else
	{
		server_print("[esef_mode] usage: esef_mode [dm|gg]")
		return PLUGIN_HANDLED
	}

	SetIni(GG_INI, wantGG)
	SetIni(DM_INI, !wantGG)

	if (IsOn(GG_INI) != wantGG || IsOn(DM_INI) == wantGG)
	{
		server_print("[esef_mode] could not rename the plugin lists in %s", g_dir)
		return PLUGIN_HANDLED
	}

	server_print("[esef_mode] switching to %s, reloading map in 3s", wantGG ? "gg" : "dm")
	client_print_color(0, print_team_default, "^4[mode]^1 Switching to ^3%s^1 - map reloads in 3 seconds...", wantGG ? "GunGame" : "Deathmatch")
	set_task(3.0, "Reload")
	return PLUGIN_HANDLED
}

public Reload()
{
	new map[32]
	get_mapname(map, charsmax(map))
	server_cmd("changelevel %s", map)
}