/*
 * Copyright (C) 2002-2007 The Warp Rogue Team
 * Part of the Warp Rogue Project
 *
 * This software is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License.
 * This software is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY.
 *
 * See the license.txt file for more details.
 */

/*
 * Module Name: Ui
 * Description: -
 */

/*
 * Misc. stuff
 */

#define Uses_Util
#define Uses_Game
#define Uses_Stats
#define Uses_Macro
#define Uses_World
#define Uses_DataFile
#define Uses_Inventory
#define Uses_Honour
#define Uses_Scenario
#include "mheader.h"

#include "ui.h"


#define FILE_DIFFICULTY_INFO	"modes.txt"



static void		render_dialogue_screen_active_window(DIALOGUE_STATE *);
static void		render_dialogue_screen_passive_window(DIALOGUE_STATE *);



/*
 * renders the title screen of the game
 */
void render_game_title_screen(const char *warning_message)
{

	SCREEN_COORD row, col;
	COLOUR c;

	render_secondary_screen("");

	c = C_METAL;
	row = SEC_SCREEN_MIN_Y + 1;
	col = SEC_SCREEN_MIN_X + 9;

render_text_at(c,row++,col," _  _  _ _______  ______  _____        ______  _____   ______ _     _ _______");
render_text_at(c,row++,col," |  |  | |_____| |_____/ |_____]      |_____/ |     | |  ____ |     | |______");
render_text_at(c,row++,col," |__|__| |     | |    \\_ |            |    \\_ |_____| |_____| |_____| |______");

	c = C_BLOOD;

render_text_at(c,row++,col,"                                                                             ");
render_text_at(c,row++,col,"                                                                             ");
render_text_at(c,row++,col,"                                                                             ");
render_text_at(c,row++,col,"                           /     \\      /\\/\\/     \\                          ");
render_text_at(c,row++,col,"                          /       \\/\\  /           \\                         ");
render_text_at(c,row++,col,"                         /           \\/             )                        ");
render_text_at(c,row++,col,"                        (    / /\\          /\\ \\    /                         ");
render_text_at(c,row++,col,"                         \\  / /  \\        /  \\ \\  /                          ");
render_text_at(c,row++,col,"                          \\/ /____\\      /____\\ \\/                           ");
render_text_at(c,row++,col,"                          /                      \\                           ");
render_text_at(c,row++,col,"                         /                        \\                          ");
render_text_at(c,row++,col,"                        /            /\\            \\                         ");
render_text_at(c,row++,col,"                       /            /  \\            \\                        ");
render_text_at(c,row++,col,"                      /            /____\\            \\                       ");
render_text_at(c,row++,col,"                     <_________.            ._________>                      ");
render_text_at(c,row++,col,"                              / | |  |  |  |\\ \\                              ");
render_text_at(c,row++,col,"                             / /| |  |  |  | \\ \\                             ");
render_text_at(c,row++,col,"                            / / | |  |  |  |  \\ \\                            ");
render_text_at(c,row++,col,"                           /__\\ | |  |  |  |  /__\\                           ");
render_text_at(c,row++,col,"                                  |  |  |                                    ");
render_text_at(c,row++,col,"                                     |                                       ");





	row = SEC_SCREEN_MIN_Y + 11;
	col = SEC_SCREEN_MAX_X - 30;

	render_text_at(C_FIELD_NAME, row, col + 20, "Scenario:");
	render_text_at(C_FIELD_VALUE, ++row, col + 9, "%20s", scenario_name());
	render_text_at(C_FIELD_VALUE, ++row, col + 24, "%5s", scenario_version());




	row = SEC_SCREEN_MAX_Y - 2;
	col = SEC_SCREEN_MIN_X + 32;

	render_text_at(C_METAL, row - 1, col + 8, "Version %s", ENGINE_VERSION);
	render_text_at(C_METAL, ++row, col, ENGINE_WEBSITE);

	if (warning_message == NULL) {

		return;
	}

	render_text_at(C_WARNING,
		SEC_SCREEN_TITLE_ROW, SEC_SCREEN_MIN_X,
		warning_message
	);
}



/*
 * game title screen menu
 */
COMMAND game_title_screen_menu(MENU *menu)
{
	SCREEN_AREA menu_area = {
		SEC_SCREEN_MIN_Y + 11, MENU_AUTO,
		SEC_SCREEN_MIN_X + 2, MENU_AUTO
	};

	menu_set_appearance(menu, &menu_area);

	return menu_execute(menu, &menu_area);
}



/*
 * new game dialogue
 */
void new_game_dialogue(CONFIRMATION_DIALOGUE *dialogue)
{

	standard_confirmation_dialogue(dialogue,
		SEC_SCREEN_TITLE_ROW,
		SEC_SCREEN_MIN_X
	);
}



/*
 * renders the game choose difficulty screen
 */
void render_game_choose_difficulty_screen(void)
{
	char difficulty_info[TEXT_BUFFER_SIZE];

	render_secondary_screen("-== Choose Difficulty ==-");

	read_text_file(difficulty_info, DIR_HELP, FILE_DIFFICULTY_INFO);

	render_long_text(C_TEXT, SEC_SCREEN_MIN_Y, SEC_SCREEN_MIN_X,
		difficulty_info, SEC_SCREEN_MAX_X
	);
}



/*
 * game choose difficulty screen menu
 */
COMMAND game_choose_difficulty_screen_menu(MENU *menu)
{
	SCREEN_AREA menu_area = {
		SEC_SCREEN_MIN_Y + 5, MENU_AUTO,
		SEC_SCREEN_MIN_X, MENU_AUTO
	};

	menu_set_appearance(menu, &menu_area);

	return menu_execute(menu, &menu_area);
}



/*
 * renders the world generation screen
 */
void render_world_generation_screen(bool generation_finished)
{
	const char *generation_message =
		"The program will now generate the game world. " \
		"This might take a while. ";

	render_secondary_screen("-== World Generation ==-");

	render_long_text(C_TEXT, SEC_SCREEN_MIN_Y, SEC_SCREEN_MIN_X,
		generation_message, SEC_SCREEN_MAX_X
	);

	render_text_at(C_TEXT, SEC_SCREEN_MIN_Y + 4, SEC_SCREEN_MIN_X,
		"Generating world, please wait... "
	);

	if (generation_finished) {

		render_text(C_TEXT, "Finished!");
	}
}



/*
 * renders the shop screen
 */
void render_shop_screen(const CHARACTER *character)
{
	MONEY personal_funds;

	render_secondary_screen("-== Choose Object ==-");

	personal_funds = inventory_money(character);

	render_text_at(C_TEXT, SEC_SCREEN_MAX_Y - 1, SEC_SCREEN_MIN_X,
		"Personal funds: %dc", personal_funds
	);
}



/*
 * shop screen menu
 */
COMMAND shop_screen_menu(MENU *menu)
{
	SCREEN_AREA menu_area = {
		SEC_SCREEN_MIN_Y, SEC_SCREEN_MAX_Y - 3,
		SEC_SCREEN_MIN_X, MENU_AUTO
	};

	menu_set_appearance(menu, &menu_area);

	return menu_execute(menu, &menu_area);
}



/*
 * renders the dialogue screen
 */
void render_dialogue_screen(DIALOGUE_STATE *dialogue)
{
	render_background();

	render_dialogue_screen_passive_window(dialogue);

	render_dialogue_screen_active_window(dialogue);

	render_command_bar(SID_SECONDARY);
}



/*
 * renders the passive window of the dialogue screen
 */
static void render_dialogue_screen_passive_window(DIALOGUE_STATE *dialogue)
{

	clear_text_window(SEC_SCREEN_TITLE_ROW, SEC_SCREEN_MIN_X,
		SEC_SCREEN_TITLE_ROW, SEC_SCREEN_MAX_X);

	render_text_at(C_TEXT, SEC_SCREEN_TITLE_ROW, SEC_SCREEN_MIN_X,
		dialogue->passive_character->name);

	clear_text_window(
		SEC_SCREEN_MIN_Y,
		SEC_SCREEN_MIN_X,
		SEC_SCREEN_MAX_Y / 2,
		SEC_SCREEN_MAX_X
	);

	place_cursor_at(SEC_SCREEN_MIN_Y, SEC_SCREEN_MIN_X);

	render_long_text(C_TEXT, SEC_SCREEN_MIN_Y, SEC_SCREEN_MIN_X,
		dialogue->text, SEC_SCREEN_MAX_X
	);

}



/*
 * renders the active window of the dialogue screen
 */
static void render_dialogue_screen_active_window(DIALOGUE_STATE *dialogue)
{
	NOT_USED(dialogue);

	clear_text_window(
		SEC_SCREEN_MAX_Y / 2 + 2,
		SEC_SCREEN_MIN_X,
		SEC_SCREEN_MAX_Y,
		SEC_SCREEN_MAX_X
	);

}



/*
 * dialogue screen menu
 */
COMMAND dialogue_screen_menu(MENU *menu)
{
	SCREEN_AREA menu_area = {SEC_SCREEN_MAX_Y / 2 + 2, MENU_AUTO, SEC_SCREEN_MIN_X, MENU_AUTO};

	menu_set_appearance(menu, &menu_area);

	return menu_execute(menu, &menu_area);
}



/*
 * renders the certificate of honour screen
 */
void render_certificate_screen(void)
{

	render_secondary_screen("-== Certificate of Honour ==-");

	render_text_at(C_TEXT, SEC_SCREEN_MIN_Y, SEC_SCREEN_MIN_X,
		"Certificate of Honour written to %s.", FILE_CERTIFICATE
	);
}