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

with core, ui, effect, attribute, faction;

package body unit is

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	view_width  : constant integer := 48;
	view_height : constant integer := 64;

	sprite      : array (enumeration) of core.sprite;
	icon_sprite : array (enumeration) of core.sprite;
	view_sprite : array (enumeration) of core.sprite;

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	procedure configure is
	begin
		core.echo (core.comment, "Configuring unit components...");
		--
		for index in enumeration loop
			declare folder : constant string := core.lowercase (faction.enumeration'image (trait (index).kind));
			        file   : constant string := core.lowercase (enumeration'image (index));
			begin
				sprite      (index) := core.import_sprite ("./sprite/unit/" & folder & "/" & file & ".png", 4, 6);
				icon_sprite (index) := core.import_sprite ("./sprite/unit/icon/"           & file & ".png", 1, 1);
				view_sprite (index) := core.import_sprite ("./sprite/unit/view/"           & file & ".png", 1, 1);
			end;
		end loop;
	end configure;

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	procedure draw (index : in enumeration; state : in animation; x, y : in integer) is
	begin
		core.draw (sprite (index), x, y, 6, animation'pos (state));
	end draw;

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	procedure icon (index : in enumeration; x, y : in integer) is
	begin
		ui.draw_overicon (icon_sprite (index), trait (index).text, x, y);
	end icon;

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	procedure view (index : in enumeration; x, y : in integer) is
		offset : constant integer := 4;
	begin
		core.draw         (view_sprite (index), x + offset, y + offset);
		ui.draw_icon_menu (trait (index).text, x, y, view_width + 2 * offset, view_height + 2 * offset);
	end view;

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	procedure stat (index : in enumeration; x, y : in integer; center : in boolean) is
		offset : constant integer := 16;
		width  : constant integer := 10 + offset + 6 * (sprite (index).width + 8);
		height : constant integer := attribute.count * core.icon + 2 * offset + 10 + sprite (index).height;
		move_x : constant integer := (if center then (core.window_width  - width)  / 2 else x);
		move_y : constant integer := (if center then (core.window_height - height) / 2 else y);
		move   :          integer := 0;
	begin
		ui.draw_tiny_menu (move_x, move_y, width, height);
		ui.draw_title_bar (move_x, move_y, width, trait (index).name);
		--
		view (index, move_x + offset, move_y + offset);
		--
		--~for data in attribute.enumeration
		--~loop
			--~move := attribute.enumeration'pos (data) * core.icon;
			--~--
			--~ui.draw_icon   (attribute.sprite (data), attribute.trait (data).text, move_x + view_width + 12 + offset, move_y + offset + move);
			--~--
			--~ui.write (trait (index).attributes (data)'image, move_x + view_width + 12 + offset + core.icon, move_y + offset + move);
		--~end loop;
		--
		for animate in animation loop
			draw              (index, animate, move_x + offset + animation'pos (animate) * (sprite (index).width + 8), move_y + offset + 8 + core.icon * attribute.count);
			ui.draw_icon_menu (trait (index).text, move_x + offset + animation'pos (animate) * (sprite (index).width + 8), move_y + offset + 8 + core.icon * attribute.count, sprite (index).width, sprite (index).height);
		end loop;
	end stat;

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end unit;