-- Copyright (c) 2024 - Ognjen 'xolatile' Milan Robovic
--
-- GNU General Public Licence (version 3 or later)

with core;
use  core;

package ui is

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	type style is (
		main,
		fairy,                  dwarf,                  gnoll,                  kobold,                 goblin,                 imp
	);

	type enumeration is (
		gui_none,               gui_button,             gui_line,               gui_text,               gui_icon,               gui_sprite,
		gui_orient
	);

                                             ------------------------------------------------------------------------------------------

	type gui_data is record
		kind   : enumeration   := gui_none;
		text   : core.unstring := +("--");
		info   : core.unstring := +("--");
		number : integer       := 0;
		image  : core.sprite   := (others => 0);
	end record;

	empty : gui_data;

	type gui_array is array (natural range <>) of gui_data;

	type structure is record
		title    :        core.short_string := "--                      ";
		toggle   :        core.signal_code  := core.signal_space;
		show     :        boolean           := false;
		center   :        boolean           := false;
		resize   :        boolean           := false;
		x        :        integer           := 0;
		y        :        integer           := 0;
		width    :        integer           := 0;
		height   :        integer           := 0;
		gui_n    :        natural           := 0;
		gui_list : access gui_array         := null;
	end record;

                                             ------------------------------------------------------------------------------------------

	style_count : constant natural := style'pos (style'last) + 1;

	active     : style   := main;
	prioritize : boolean := false;

                                             ------------------------------------------------------------------------------------------

	procedure configure;
	procedure synchronize;

	procedure echo (message : in string);

	procedure write (text : in string; x, y : in integer; tint : in core.colour := (others => 255); size : in natural := 15; code : in boolean := false);

	procedure draw_icon     (data : in core.sprite; text : in string; x, y : in integer; action : core.pointer := core.idle_skip'access);
	procedure draw_overicon (data : in core.sprite; text : in string; x, y : in integer; action : core.pointer := core.idle_skip'access);

	procedure draw_sprite (data : in core.sprite; text : in string; x, y, offset : in integer; action : core.pointer := core.idle_skip'access);

	procedure draw_text_box (x, y, width, height : in integer);
	procedure draw_help_box (x, y, width, height : in integer; action : core.pointer := core.idle_skip'access);

	procedure draw_frame  (description       : in string;                        x, y, width, height : in integer; action : core.pointer := core.idle_skip'access);
	procedure draw_button (text, description : in string; icon : in core.sprite; x, y, width, height : in integer; action : core.pointer := core.idle_skip'access);

	procedure draw_check_box (x, y : in integer; on : in out boolean; text : in string);

	procedure draw_title_bar     (x, y, width  : in integer; title  : in string);
	procedure draw_fill_bar      (x, y, width  : in integer; fill   : in float);
	procedure draw_tiny_fill_bar (x, y, width  : in integer; fill   : in float; tint : in core.colour);
	procedure draw_scroll_bar    (x, y, height : in integer; offset : in integer);

	procedure draw_menu      (x, y, width, height : in integer);
	procedure draw_tiny_menu (x, y, width, height : in integer);
	procedure draw_icon_menu (x, y, width, height : in integer);

	procedure draw_end_turn_button (x, y : in integer);

	procedure draw_state_box   (x, y : in integer);
	procedure draw_console_box (x, y, width, height : in integer);

	procedure add_structure (data : in structure);

	procedure add_structure_button (icon : in core.sprite; name : in core.unstring; text : in core.unstring);
	procedure add_structure_orient;

	procedure write_ada_code (text : in core.string_box_data; x, y : in integer);

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end ui;