local color = minetest.colorize

local clip_fs = [[
	style_type[label,button,image_button,item_image_button,
			tabheader,scrollbar,table,animated_image
			,field,textarea,checkbox,dropdown;noclip=%c]

	label[0,0;A clipping test]
	button[0,1;3,0.8;clip_button;A clipping test]
	image_button[0,2;3,0.8;testformspec_button_image.png;clip_image_button;A clipping test]
	item_image_button[0,3;3,0.8;testformspec:item;clip_item_image_button;A clipping test]
	tabheader[0,4.7;3,0.63;clip_tabheader;Clip,Test,Text,Tabs;1;false;false]
	field[0,5;3,0.8;clip_field;Title;]
	textarea[0,6;3,1;clip_textarea;Title;]
	checkbox[0,7.5;clip_checkbox;This is a test;true]
	dropdown[0,8;3,0.8;clip_dropdown;Select An Item,One,Two,Three,Four,Five;1]
	scrollbar[0,9;3,0.8;horizontal;clip_scrollbar;3]
	tablecolumns[text;text]
	table[0,10;3,1;clip_table;one,two,three,four;1]
	animated_image[-0.5,11;4.5,1;clip_animated_image;testformspec_animation.png;4;100]
]]

local tabheaders_fs = [[
	tabheader[0,0;10,0.63;tabs_opaque;Opaque,Without,Border;1;false;false]
	tabheader[0,1;10,0.63;tabs_opaque_border;Opaque,With,Border;1;false;true]
	tabheader[0,2;10,0.63;tabs_transparent;Transparent,Without,Border;1;true;false]
	tabheader[0,3;10,0.63;tabs_transparent_border;Transparent,With,Border;1;true;true]
	tabheader[0,4;tabs_default;Default,Tabs;1]
	tabheader[0,6;10,0.5;tabs_size1;Height=0.5;1;false;false]
	tabheader[2,6;10,0.75;tabs_size1;Height=0.75;1;false;false]
	tabheader[4,6;10,1;tabs_size2;Height=1;1;false;false]
	tabheader[6,6;10,1.25;tabs_size2;Height=1.25;1;false;false]
	tabheader[8,6;10,1.5;tabs_size2;Height=1.5;1;false;false]
]]

local hypertext_basic = [[
<bigger>Normal test</bigger>
This is a normal text.

<bigger><mono>style</mono> test</bigger>
<style color=#FFFF00>Yellow text.</style> <style color=#FF0000>Red text.</style>
<style size=24>Size 24.</style> <style size=16>Size 16</style>. <style size=12>Size 12.</style>
<style font=normal>Normal font.</style> <style font=mono>Mono font.</style>

<bigger>Tag test</bigger>
<normal>normal</normal>
<mono>mono</mono>
<b>bold</b>
<i>italic</i>
<u>underlined</u>
<big>big</big>
<bigger>bigger</bigger>
<left>left</left>
<center>center</center>
<right>right</right>
<justify>justify. Here comes a blind text: Lorem testum dolor sit amet consecutor celeron fiftifahivus e shadoninia e smalus jokus anrus relsocutoti rubenwardus. Erasputinus hara holisti dominus wusi. Grumarinsti erltusmuate ol fortitusti fla flo, blani burki e sfani fahif. Ultae ratii, e megus gigae don anonimus. Grinus dimondus krockus e nore. Endus finalus nowus comus endus o blindus tekstus.</justify>

<bigger>Custom tag test</bigger>
<tag name=t_green color=green>
<tag name=t_hover hovercolor=yellow>
<tag name=t_size size=24>
<tag name=t_mono font=mono>
<tag name=t_multi color=green font=mono size=24>
<t_green>color=green</t_green>
Action: <action name=color><t_green>color=green</t_green></action>
Action: <action name=hovercolor><t_hover>hovercolor=yellow</t_hover></action>
<t_size>size=24</t_size>
<t_mono>font=mono</t_mono>
<t_multi>color=green font=mono size=24</t_multi>

<bigger><mono>action</mono> test</bigger>
<action name=action_test>action</action>

<bigger><mono>img</mono> test</bigger>
Normal:
<img name=testformspec_item.png>
<mono>width=48 height=48</mono>:
<img name=testformspec_item.png width=48 height=48>
<mono>float=left</mono>:
<img name=testformspec_item.png float=left>
<mono>float=right</mono>:
<img name=testformspec_item.png float=right>

<bigger><mono>item</mono> test</bigger>
Normal:
<item name=testformspec:node>
<mono>width=48 height=48</mono>
<item name=testformspec:node width=48 height=48>
<mono>angle=30,0,0</mono>:
<item name=testformspec:node angle=30,0,0>
<mono>angle=0,30,0</mono>:
<item name=testformspec:node angle=0,30,0>
<mono>angle=0,0,30</mono>:
<item name=testformspec:node angle=0,0,30>
<mono>rotate=yes</mono>:
<item name=testformspec:node rotate=yes>
<mono>rotate=100,0,0</mono>:
<item name=testformspec:node rotate=100,0,0>
<mono>rotate=0,100,0</mono>:
<item name=testformspec:node rotate=0,100,0>
<mono>rotate=0,0,100</mono>:
<item name=testformspec:node rotate=0,0,100>
<mono>rotate=50,75,100</mono>:
<item name=testformspec:node rotate=50,75,100>
<mono>angle=-30,-45,90 rotate=100,150,-50</mono>:
<item name=testformspec:node angle=-30,-45,90 rotate=100,150,-50>]]

local hypertext_global = [[
<global background=gray margin=20 valign=bottom halign=right color=pink hovercolor=purple size=12 font=mono>
This is a test of the global tag. The parameters are:
background=gray margin=20 valign=bottom halign=right color=pink hovercolor=purple size=12 font=mono
<action name=global>action</action>]]

local hypertext_fs = "hypertext[0,0;11,9;hypertext;"..minetest.formspec_escape(hypertext_basic).."]"..
	"hypertext[0,9.5;11,2.5;hypertext;"..minetest.formspec_escape(hypertext_global).."]"

local style_fs = [[
	style[one_btn1;bgcolor=red;textcolor=yellow;bgcolor_hovered=orange;
		bgcolor_pressed=purple]
	button[0,0;2.5,0.8;one_btn1;Button]

	style[one_btn2;border=false;textcolor=cyan] ]]..
	"button[0,1.05;2.5,0.8;one_btn2;Text " .. color("#FF0", "Yellow") .. [[]

	style[one_btn3;bgimg=testformspec_button_image.png;bgimg_hovered=testformspec_hovered.png;
		bgimg_pressed=testformspec_pressed.png]
	button[0,2.1;1,1;one_btn3;Border]

	style[one_btn4;bgimg=testformspec_button_image.png;bgimg_hovered=testformspec_hovered.png;
		bgimg_pressed=testformspec_pressed.png;border=false]
	button[1.25,2.1;1,1;one_btn4;NoBor]

	style[one_btn5;bgimg=testformspec_button_image.png;bgimg_hovered=testformspec_hovered.png;
		bgimg_pressed=testformspec_pressed.png;border=false;alpha=false]
	button[0,3.35;1,1;one_btn5;Alph]

	style[one_btn6;border=true]
	image_button[0,4.6;1,1;testformspec_button_image.png;one_btn6;Border]

	style[one_btn7;border=false]
	image_button[1.25,4.6;1,1;testformspec_button_image.png;one_btn7;NoBor]

	style[one_btn8;border=false]
	image_button[0,5.85;1,1;testformspec_button_image.png;one_btn8;Border;false;true;testformspec_pressed.png]

	style[one_btn9;border=true]
	image_button[1.25,5.85;1,1;testformspec_button_image.png;one_btn9;NoBor;false;false;testformspec_pressed.png]

	style[one_btn10;alpha=false]
	image_button[0,7.1;1,1;testformspec_button_image.png;one_btn10;NoAlpha]

	style[one_btn11;alpha=true]
	image_button[1.25,7.1;1,1;testformspec_button_image.png;one_btn11;Alpha]

	style[one_btn12;border=true]
	item_image_button[0,8.35;1,1;testformspec:item;one_btn12;Border]

	style[one_btn13;border=false]
	item_image_button[1.25,8.35;1,1;testformspec:item;one_btn13;NoBor]

	style[one_btn14;border=false;bgimg=testformspec_bg.png;fgimg=testformspec_button_image.png]
	style[one_btn14:hovered;bgimg=testformspec_bg_hovered.png;fgimg=testformspec_hovered.png;textcolor=yellow]
	style[one_btn14:pressed;bgimg=testformspec_bg_pressed.png;fgimg=testformspec_pressed.png;textcolor=blue]
	style[one_btn14:hovered+pressed;textcolor=purple]
	image_button[0,9.6;1,1;testformspec_button_image.png;one_btn14;Bg]

	style[one_btn15;border=false;bgimg=testformspec_bg.png;bgimg_hovered=testformspec_bg_hovered.png;bgimg_pressed=testformspec_bg_pressed.png]
	item_image_button[1.25,9.6;1,1;testformspec:item;one_btn15;Bg]

	style[one_btn16;border=false;bgimg=testformspec_bg_9slice.png;bgimg_hovered=testformspec_bg_9slice_hovered.png;bgimg_pressed=testformspec_bg_9slice_pressed.png;bgimg_middle=4,6]
	button[2.5,9.6;2,1;one_btn16;9-Slice Bg]



	container[2.75,0]

	style[one_tb1;textcolor=Yellow]
	tabheader[0,3;2.5,0.63;one_tb1;Yellow,Text,Tabs;1;false;false]

	style[one_f1;textcolor=yellow]
	field[0,4.25;2.5,0.8;one_f1;Field One;Yellow Text]

	style[one_f2;border=false;textcolor=cyan]
	field[0,5.75;2.5,0.8;one_f2;Field Two;Borderless Cyan Text]

	style[one_f3;textcolor=yellow]
	textarea[0,7.025;2.5,0.8;one_f3;Label;]] ..
		minetest.formspec_escape("Yellow Text\nLine two") .. [[ ]

	style[one_f4;border=false;textcolor=cyan]
	textarea[0,8.324999999999999;2.5,0.8;one_f4;Label;]] ..
		minetest.formspec_escape("Borderless Cyan Text\nLine two") .. [[ ]

	container_end[]
]]

local scroll_fs =
	"button[8.5,1;4,1;outside;Outside of container]"..
	"box[1,1;8,6;#00aa]"..
	"scroll_container[1,1;8,6;scrbar;vertical]"..
		"button[0,1;1,1;lorem;Lorem]"..
		"button[0,10;1,1;ipsum;Ipsum]"..
		"pwdfield[2,2;1,1;lorem2;Lorem]"..
		"list[current_player;main;4,4;1,5;]"..
		"box[2,5;3,2;#ffff00]"..
		"image[1,10;3,2;testformspec_item.png]"..
		"image[3,1;testformspec_item.png]"..
		"item_image[2,6;3,2;testformspec:node]"..
		"label[2,15;bla Bli\nfoo bar]"..
		"item_image_button[2,3;1,1;testformspec:node;itemimagebutton;ItemImageButton]"..
		"tooltip[0,11;3,2;Buz;#f00;#000]"..
		"box[0,11;3,2;#00ff00]"..
		"hypertext[3,13;3,3;;" .. hypertext_basic .. "]" ..
		"container[0,18]"..
			"box[1,2;3,2;#0a0a]"..
			"scroll_container[1,2;3,2;scrbar2;horizontal;0.06]"..
				"button[0,0;6,1;butnest;Nest]"..
				"label[10,0.5;nest]"..
			"scroll_container_end[]"..
			"scrollbar[1,0;3.5,0.3;horizontal;scrbar2;0]"..
		"container_end[]"..
		"dropdown[0,6;2;hmdrpdwn;apple,bulb;1]"..
		"image_button[0,4;2,2;testformspec_button_image.png;imagebutton;bbbbtt;false;true;testformspec_pressed.png]"..
		"box[1,22.5;4,1;#a00a]"..
	"scroll_container_end[]"..
	"scrollbaroptions[max=170]".. -- lowest seen pos is: 0.1*170+6=23 (factor*max+height)
	"scrollbar[7.5,0;0.3,4;vertical;scrbar;0]"..
	"scrollbar[8,0;0.3,4;vertical;scrbarhmmm;0]"..
	"dropdown[0,6;2;hmdrpdwnnn;Outside,of,container;1]"

--style_type[label;textcolor=green]
--label[0,0;Green]
--style_type[label;textcolor=blue]
--label[0,1;Blue]
--style_type[label;textcolor=;border=true]
--label[1.2,0;Border]
--style_type[label;border=true;bgcolor=red]
--label[1.2,1;Background]
--style_type[label;border=;bgcolor=]
--label[0.75,2;Reset]


local pages = {
	-- Real Coordinates
	[[
		formspec_version[3]
		size[12,13]
		image_button[0,0;1,1;logo.png;rc_image_button_1x1;1x1]
		image_button[1,0;2,2;logo.png;rc_image_button_2x2;2x2]
		button[0,2;1,1;rc_button_1x1;1x1]
		button[1,2;2,2;rc_button_2x2;2x2]
		item_image[0,4;1,1;air]
		item_image[1,4;2,2;air]
		item_image_button[0,6;1,1;testformspec:node;rc_item_image_button_1x1;1x1]
		item_image_button[1,6;2,2;testformspec:node;rc_item_image_button_2x2;2x2]
		field[3,.5;3,.5;rc_field;Field;text]
		pwdfield[6,.5;3,1;rc_pwdfield;Password Field]
		field[3,1;3,1;;Read-Only Field;text]
		textarea[3,2;3,.5;rc_textarea_small;Textarea;text]
		textarea[6,2;3,2;rc_textarea_big;Textarea;text\nmore text]
		textarea[3,3;3,1;;Read-Only Textarea;text\nmore text]
		textlist[3,4;3,2;rc_textlist;Textlist,Perfect Coordinates;1;false]
		tableoptions[highlight=#ABCDEF75;background=#00000055;border=false]
		table[6,4;3,2;rc_table;Table,Cool Stuff,Foo,Bar;2]
		dropdown[3,6;3,1;rc_dropdown_small;This,is,a,dropdown;1]
		dropdown[6,6;3,2;rc_dropdown_big;I,am,a,bigger,dropdown;5]
		image[0,8;3,2;ignore.png]
		box[3,7;3,1;#00A3FF]
		checkbox[3,8;rc_checkbox_1;Check me!;false]
		checkbox[3,9;rc_checkbox_2;Uncheck me now!;true]
		scrollbar[0,11.5;11.5,.5;horizontal;rc_scrollbar_horizontal;500]
		scrollbar[11.5,0;.5,11.5;vertical;rc_scrollbar_vertical;0]
		list[current_player;main;6,8;3,2;1]
		button[9,0;2.5,1;rc_empty_button_1;]
		button[9,1;2.5,1;rc_empty_button_2;]
		button[9,2;2.5,1;rc_empty_button_3;] ]]..
		"label[9,0.5;This is a label.\nLine\nLine\nLine\nEnd]"..
		[[button[9,3;1,1;rc_empty_button_4;]
		vertlabel[9,4;VERT]
		label[10,3;HORIZ]
		tabheader[8,0;6,0.65;rc_tabheader;Tab 1,Tab 2,Tab 3,Secrets;1;false;false]
	]],
	-- Style

		"formspec_version[3]size[12,13]" ..
		("label[0.375,0.375;Styled - %s %s]"):format(
			color("#F00", "red text"),
			color("#77FF00CC", "green text")) ..
		"label[6.375,0.375;Unstyled]" ..
		"box[0,0.75;12,0.1;#999]" ..
		"box[6,0.85;0.1,11.15;#999]" ..
		"container[0.375,1.225]" ..
		style_fs ..
		"container_end[]container[6.375,1.225]" ..
		style_fs:gsub("one_", "two_"):gsub("style%[[^%]]+%]", ""):gsub("style_type%[[^%]]+%]", "") ..
		"container_end[]",

	-- Noclip
		"formspec_version[3]size[12,13]" ..
		"label[0.1,0.5;Clip]" ..
		"container[-2.5,1]" .. clip_fs:gsub("%%c", "false") .. "container_end[]" ..
		"label[11,0.5;Noclip]" ..
		"container[11.5,1]" .. clip_fs:gsub("%%c", "true") .. "container_end[]",

	-- Hypertext
		"size[12,13]real_coordinates[true]" ..
		"container[0.5,0.5]" .. hypertext_fs .. "container_end[]",

	-- Tabheaders
		"size[12,13]real_coordinates[true]" ..
		"container[0.5,1.5]" .. tabheaders_fs .. "container_end[]",

	-- Animation
		[[
			formspec_version[3]
			size[12,13]
			animated_image[0.5,0.5;1,1;;testformspec_animation.png;4;100]
			animated_image[0.5,1.75;1,1;;testformspec_animation.jpg;4;100]
			animated_image[1.75,0.5;1,1;;testformspec_animation.png;100;100]
			animated_image[3,0.5;1,1;ani_img_1;testformspec_animation.png;4;1000]
			button[4.25,0.5;1,1;ani_btn_1;Current
Number]
			animated_image[3,1.75;1,1;ani_img_2;testformspec_animation.png;4;1000;2]
			button[4.25,1.75;1,1;ani_btn_2;Current
Number]
			animated_image[3,3;1,1;;testformspec_animation.png;4;0]
			animated_image[3,4.25;1,1;;testformspec_animation.png;4;0;3]
			animated_image[5.5,0.5;5,2;;testformspec_animation.png;4;100]
			animated_image[5.5,2.75;5,2;;testformspec_animation.jpg;4;100]
		]],

	-- Scroll containers
		"formspec_version[3]size[12,13]" ..
		scroll_fs,
}

local function show_test_formspec(pname, page_id)
	page_id = page_id or 2

	local fs = pages[page_id] .. "tabheader[0,0;8,0.65;maintabs;Real Coord,Styles,Noclip,Hypertext,Tabs,Anim,ScrollC;" .. page_id .. ";false;false]"

	minetest.show_formspec(pname, "testformspec:formspec", fs)
end

minetest.register_on_player_receive_fields(function(player, formname, fields)
	if formname ~= "testformspec:formspec" then
		return false
	end


	if fields.maintabs then
		show_test_formspec(player:get_player_name(), tonumber(fields.maintabs))
		return true
	end

	if fields.ani_img_1 and fields.ani_btn_1 then
		minetest.chat_send_player(player:get_player_name(), "ani_img_1 = " .. tostring(fields.ani_img_1))
		return true
	elseif fields.ani_img_2 and fields.ani_btn_2 then
		minetest.chat_send_player(player:get_player_name(), "ani_img_2 = " .. tostring(fields.ani_img_2))
		return true
	end

	if fields.hypertext then
		minetest.chat_send_player(player:get_player_name(), "Hypertext action received: " .. tostring(fields.hypertext))
		return true
	end
end)

minetest.register_chatcommand("test_formspec", {
	params = "",
	description = "Open the test formspec",
	func = function(name)
		if not minetest.get_player_by_name(name) then
			return false, "You need to be online!"
		end

		show_test_formspec(name)
		return true
	end,
})
