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package main

import "core:fmt"
import t "tafl"

BUTTON_SIZE : [2]int : {120, 40}

main :: proc() {
	
	width, height : int = 1920, 1080
	
	t.start_window(width, height, "tafl test")
	
	for !t.window_should_close() {
		
		if t.resized(){
			width, height = t.get_window_size()
		}
		
		{
			t.tafl( // ROOT tafl
				width=width,
				height=height,
				layout=.LEFT_TO_RIGHT,
				color=colors.background,
				padding={5,5,5,5},
				child_gap=5,
			)
			{ // Left bar
				t.tafl(color=colors.panel_blackground,
					width=BUTTON_SIZE.x*3 + 8*4,
					cut_from=.START,
					layout=.TOP_TO_BOTTOM,
					)
				{
					t.tafl(
						height=BUTTON_SIZE.y+8*2,
						padding={8,8,8,8},
						child_gap=8,
						color={.0, .0, .0, 0.4},
						cut_from=.END,
						)
					{
						if button("Yeet", "yeet").clicked {
							fmt.println("YEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEET!")
						}
						if button("Bawls", "bawls").clicked {
							fmt.println("Baaaaaaaaaaaawwwwwwwwwwwllllllls.")
						}
						if button("Render", "render").clicked {
							fmt.println("Reeeeeennnnnndeeeeeeeeeeeeeeeer!")
						}
					}
				}
				slider_h()
			}
			
			{ // Right bar
				t.tafl(color=colors.panel_blackground,
					width=300,
					child_gap=20,
					layout=.TOP_TO_BOTTOM,
					cut_from=.END,)
				
				{
					{t.tafl(color={.5, .5, .5, 1},
						height=50,
						)}
					{t.tafl(color={.5, .5, .5, 1},
						height=50,
						)}
					{t.tafl(color={.5, .5, .5, 1},
						height=50,
						cut_from=.END,
						)}
					{t.tafl(color={.5, .5, .8, 1},
						)}
				}
			}
			
			{ // Middle section
				big_square_size := 300
				small_square_size := 200
				total_size := big_square_size+small_square_size+5
				t.tafl(color=colors.panel_blackground,
					layout=.TOP_TO_BOTTOM,)
				{
					t.tafl(height=total_size,
						layout=.TOP_TO_BOTTOM,
						align_children=.MIDDLE,
						cut_from=.MIDDLE,
						child_gap=5,)
					{// Red square (BIG)
						t.tafl(color={1,0,0,1},
							width=big_square_size,
							height=big_square_size,
							padding={1,1,1,1},)
						{
							t.tafl(color={0,0,0,0.5},)
						}
					}
					{// Red square (Small)
						t.tafl(color={1,0,0,1},
							width=small_square_size,
							height=small_square_size,
							padding={1,1,1,1},)
						{
							t.tafl(color={0,0,0,0.5},)
						}
					}
				}
			}
		}
		
		t.render()
		free_all(context.temp_allocator)
	}
}


button :: proc(text : string, id : string) -> t.Com {
	com := t.tafl(width=BUTTON_SIZE.x,
		height=BUTTON_SIZE.y,
		color=colors.button_outline,
		padding={2,2,2,2},
		flags={.HIT_CHECK},
		align_children=.MIDDLE,
		id=id)
	
	color : t.Color = {.1,.1,.1, 1}
	if com.hover do color = {.2,.2,.2, 1}
	if com.clicked || com.is_down do color = {.05,.05,.05, 1}
	t.tafl(color=color,)
	
	t.tafl(text=text,
		cut_from=.MIDDLE,
		width=0,
		height=0,)
	return com
}

slider_root : int = 0
slider_delta : int = 0
slider_current : int = 0
slider_grabbed : bool = false
slider_output : f32 = 0
slider_h :: proc(id : string = "a_slider") {
	t.tafl(
		cut_from=.END,
		padding={2,2,2,2},
		height=35,
		)
	outer_com := t.tafl(
		layout=.LEFT_TO_RIGHT,
		color={.1,.1,.1,1},
		padding={2,2,2,2}
		)
	{// Space before
		t.tafl(
			width=slider_current,
			cut_from=.START)
	}
	{// Scroll handle
		com:=t.tafl(
			width=90,
			cut_from=.START,
			color={.4,.4,.4,1},
			padding={2,2,2,2},
			flags={.HIT_CHECK},
			id=id,
			)
		
		if com.pressed_down {
			slider_root = slider_current
			slider_grabbed = true
		}
		
		if t.mouse_left_released {
			slider_grabbed = false
		}
		
		slider_max := outer_com.tafl.width - com.tafl.width - outer_com.tafl.padding.left - outer_com.tafl.padding.right
		
		if slider_grabbed {
			slider_delta = t.mouse_position.x - t.mouse_left_press_position.x
			slider_current = slider_root + slider_delta
			slider_current = max(slider_current, 0)
			slider_current = min(slider_current, slider_max)
			slider_output = f32(slider_current)/f32(slider_max)
			fmt.printfln("slider_output: {}", slider_output)
		}
		
		color : t.Color = {.2,.2,.2,1}
		if com.hover do color={.3,.3,.3,1}
		if com.is_down do color={.13,.13,.13,1}
		t.tafl(
			color=color,
			)
	}
	{// Area after
		t.tafl(
			width=slider_current,
			cut_from=.START)
	}
}


Color_Scheme :: struct {
	background : t.Color,
	panel_blackground : t.Color,
	panel_border : t.Color,
	button_outline : t.Color,
}

colors : Color_Scheme = {
	background = {.1, .1, .1, 1},
	panel_blackground = {.2, .2, .2, 1},
	panel_border = {.35, .35, .35, 1},
	button_outline = {.1, .5, 1, 1},
}

panel :: proc() {
}