/*
 * Kangaroo Punch MultiPlayer Game Server Mark II
 * Copyright (C) 2020-2021  Scott Duensing
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <https://www.gnu.org/licenses/>.
 *
 */


#include "textbox.h"
#include "button.h"
#include "msgbox.h"

#include "runtime.h"
#include "config.h"
#include "comport.h"
#include "network.h"
#include "taglist.h"
#include "timer.h"
#include "task.h"

#include "login.h"
#include "signup.h"
#include "welcome.h"


static WindowT  *_winLogin   = NULL;
static TextboxT *_txtUser    = NULL;
static TextboxT *_txtPass    = NULL;
static ButtonT  *_btnCancel  = NULL;
static ButtonT  *_btnSignUp  = NULL;
static ButtonT  *_btnLogin   = NULL;


static void btnCancelClick(WidgetT *widget);
static void btnSignUpClick(WidgetT *widget);
static void btnLoginClick(WidgetT *widget);
static void btnMsgBoxCancel(MsgBoxButtonT button);
static void setButtons(uint8_t enabled);
static void taskDisconnect(void *data);


static void btnCancelClick(WidgetT *widget) {
	(void)widget;

	// ***TODO*** This should disable the entire dialog instead of just the buttons.  Need to finish the Enable GUI code first.

	setButtons(0);
	msgBoxTwo("Cancel?", MSGBOX_ICON_QUESTION, "Cancel login?\n \nThis will disconnect you from the server.", "Okay", btnMsgBoxCancel, "Cancel", btnMsgBoxCancel);
}


static void btnSignUpClick(WidgetT *widget) {
	(void)widget;

	guiDelete(D(_winLogin));
	taskCreate(taskSignUp, NULL);
}


static void btnLoginClick(WidgetT *widget) {
	(void)widget;

}


static void btnMsgBoxCancel(MsgBoxButtonT button) {

	if (button == MSGBOX_BUTTON_ONE) {
		guiDelete(D(_winLogin));
		taskCreate(taskDisconnect, taskWelcome);
	} else {
		setButtons(1);
	}
}


static void setButtons(uint8_t enabled) {
	widgetEnableSet(W(_btnCancel), enabled);
	widgetEnableSet(W(_btnSignUp), enabled);
	widgetEnableSet(W(_btnLogin), enabled);
}


static void taskDisconnect(void *nextTask) {
	PacketEncodeDataT  encoded      = { 0 };
	int16_t            timeout      = 2;

	// Tell server we're disconnecting.
	encoded.packetType = PACKET_TYPE_CLIENT_SHUTDOWN;
	encoded.control    = PACKET_CONTROL_DAT;
	encoded.channel    = 0;
	encoded.encrypt    = 0;
	packetEncode(__packetThreadData, &encoded, NULL, 0);
	packetSend(__packetThreadData, &encoded);

	// Snooze a bit for the packet to send.
	while (timeout > 0) {
		taskYield();
		if (__timerQuarterSecondTick) timeout--;
	}

	// Shut down packet processing & COM port.
	netShutdown();
	comClose(__configData.serialCom - 1);
	if (nextTask) taskCreate(taskWelcome, nextTask);
}


void taskLogin(void *data) {

	(void)data;

	TagItemT uiLogin[] = {
		T_START,
			T_WINDOW, O(_winLogin),
				T_TITLE, P("Login"),
				T_WIDTH, 300, T_HEIGHT, 155,

				T_TEXTBOX, O(_txtUser),
					T_TITLE, P("User Name:"),
					T_X, 42, T_Y, 10,
					T_WIDTH, 200,
					T_LENGTH, shget(__runtimeData.integers, "maxUser"),
				T_TEXTBOX, T_DONE,

				T_TEXTBOX, O(_txtPass),
					T_TITLE, P(" Password:"),
					T_X, 42, T_Y, 40,
					T_WIDTH, 200,
					T_LENGTH, shget(__runtimeData.integers, "maxPass"),
					T_MASK, '*',
				T_TEXTBOX, T_DONE,

				T_BUTTON, O(_btnCancel),
					T_TITLE, P("Cancel"),
					T_X, 25, T_Y, 85,
					T_CLICK, P(btnCancelClick),
				T_BUTTON, T_DONE,
				T_BUTTON, O(_btnSignUp),
					T_TITLE, P("Sign Up"),
					T_X, 110, T_Y, 85,
					T_CLICK, P(btnSignUpClick),
				T_BUTTON, T_DONE,
				T_BUTTON, O(_btnLogin),
					T_TITLE, P("Login"),
					T_X, 199, T_Y, 85,
					T_CLICK, P(btnLoginClick),
				T_BUTTON, T_DONE,

			T_WINDOW, T_DONE,
		T_END
	};

	tagListRun(uiLogin);
}