extra_debug.v

module ui

import gx

// Draw bounding box for Stack
fn debug_draw_bb_stack(s &Stack) {
	mut col := gx.red
	if s.direction == .row {
		col = gx.green
	}
	w, h := s.size()
	println('debug_draw_bb_stack [$s.direction] w, h = s.size()')
	println('  in: (s.x($s.x) - s.margin(.left)(${s.margin(.left)}), s.y($s.y) - s.margin(.top)(${s.margin(.top)}), w($w), h($h))')
	println(' out: (s.x($s.x), s.y($s.y), w($w) - s.margin(.left)(${s.margin(.left)}) - s.margin(.right)(${s.margin(.right)}), h($h) - s.margin(.top)(${s.margin(.top)}) - s.margin(.bottom)(${s.margin(.bottom)})')
	s.ui.gg.draw_rect_empty(s.x - s.margin(.left), s.y - s.margin(.top), w, h, col)
	s.ui.gg.draw_rect_empty(s.x, s.y, w - s.margin(.left) - s.margin(.right), h - s.margin(.top) - s.margin(.bottom),
		col)
}

fn debug_draw_bb_widget(mut wi Widget, ui &UI) {
	col := gx.black
	w, h := wi.size()
	println('bb: $wi.type_name() ($wi.x, $wi.y ,$w, $h)')
	ui.gg.draw_rect_empty(wi.x, wi.y, w, h, col)
}

fn debug_draw_bb_text(x int, y int, w int, h int, ui &UI) {
	col := gx.gray
	ui.gg.draw_rect_empty(x, y, w, h, col)
}

// Debug function
fn debug_show_cache(mut s Stack, depth int, txt string) {
	if depth == 0 {
		println('Show cache $s.id =>')
	}
	$if bbd ? {
		w, h := s.size()
		println('BB ${typeof(s).name}: ')
		println('  (s.x:$s.x - s.margin.left:${s.margin(.left)}, s.y:$s.y - s.margin.top:${s.margin(.top)}, w:$w, h:$h)')
		println('  (s.x:$s.x, s.y:$s.y, w:$w - s.margin.left:${s.margin(.left)} - s.margin.right:${s.margin(.right)}, h:$h - s.margin.top:${s.margin(.top)} - s.margin.ttom:${s.margin(.bottom)})')
	}
	tab := '  '.repeat(depth)
	println('$tab ($depth) Stack $s.id with $s.children.len children: ($s.cache.fixed_widths.len, $s.cache.fixed_heights.len)')
	free_width, free_height := s.free_size()
	adj_width, adj_height := s.adj_size()
	real_width, real_height := s.size()
	println('$tab   free size: ($free_width, $free_height) adj_size: ($adj_width, $adj_height) real_size: ($real_width, $real_height)')
	println('$tab   types: (widths: $s.cache.width_type, heights: $s.cache.height_type)')
	println('$tab   margins: (${s.margin(.top)}, ${s.margin(.bottom)}, ${s.margin(.left)}, ${s.margin(.right)}) total_spacing: $s.total_spacing()')
	println('$tab   margin')
	widths, heights := s.children_sizes()
	println(txt)
	for i, mut child in s.children {
		name := child.type_name()
		if mut child is Stack {
			mut tmp := '$tab      ($depth-$i) Stack $child.id :'
			tmp += '\n$tab      fixed(${s.cache.fixed_widths[i]},${s.cache.fixed_heights[i]}) weight: (${s.cache.weight_widths[i]},${s.cache.weight_heights[i]})'
			tmp += '\n$tab      size: (${widths[i]},${heights[i]})'
			debug_show_cache(mut child, depth + 1, tmp)
		} else {
			w, h := child.size()
			println('$tab      ($depth-$i) Widget $name size($w, $h) fixed(${s.cache.fixed_widths[i]},${s.cache.fixed_heights[i]}) weight(${s.cache.weight_widths[i]},${s.cache.weight_heights[i]})')
		}
	}
}

fn debug_show_size(s &Stack, t string) {
	print('${t}size of Stack ${typeof(s).name}')
	C.printf(c' %p: ', s)
	println(' ($s.width, $s.height)')
}

fn debug_show_sizes(mut s Stack, t string) {
	parent := s.parent
	sw, sh := s.size()
	print('${t}Stack ${typeof(s).name}')
	C.printf(c' %p', s)
	println(' => size ($sw, $sh), ($s.width, $s.height)  adj: ($s.adj_width, $s.adj_height) spacing: $s.spacings')
	if parent is Stack {
		// print('	parent: $${typeof(parent).name} ')
		C.printf(c' %p', parent)
		println('=> size ($parent.width, $parent.height)  adj: ($parent.adj_width, $parent.adj_height) spacing: $parent.spacings')
	} else if parent is Window {
		println('	parent: Window => size ($parent.width, $parent.height)  orig: ($parent.orig_width, $parent.orig_height) ')
	}
	for i, mut child in s.children {
		w, h := child.size()
		print('		$i) $child.type_name()')
		C.printf(c' %p', child)
		println(' size => $w, $h')
	}
}

fn debug_set_children_sizes(s &Stack, widths []int, heights []int, c CachedSizes) {
	println('scs: pos: ($s.x, $s.y) real: ($s.real_width, $s.real_height)')
	mut total := 0
	if s.direction == .row {
		// sum rule for widths
		println('SumRule($s.id) left: ${s.margin(.left)} = $s.margins.left * $s.real_width')
		total += s.margin(.left)
		for i, child in s.children {
			println('+ w[$i]: ${widths[i]} ${c.weight_widths[i]} ($child.id)')
			total += widths[i]
			if i == s.children.len - 1 {
				println('+ right: ${s.margin(.right)} = $s.margins.right * $s.real_width')
				total += s.margin(.right)
			} else {
				println('+ spacing[$i]: ${s.spacing(i)} ${s.spacings[i]}')
				total += s.spacing(i)
			}
		}
		println('= $total == $s.real_width')
		// max rule for heights
		println('MaxRule($s.id)  top: ${s.margin(.top)} = $s.margins.top * $s.real_height')
		total = 0 // s.margin(.left)
		for i, _ in s.children {
			if heights[i] > total {
				total = heights[i]
			}
			println('max $total | current w[$i]: ${heights[i]} ${c.weight_heights[i]}')
		}
		println(' bottom: ${s.margin(.bottom)} = $s.margins.bottom * $s.real_height')
		println(' $s.real_height == ${s.margin(.top) + total + s.margin(.bottom)} = ${s.margin(.top)} + $total + ${s.margin(.bottom)} ')
	} else {
		// sum rule
		println('SumRule($s.id)  top: ${s.margin(.top)}')
		total += s.margin(.top)
		for i, child in s.children {
			println('+ w[$i]: ${heights[i]} ${c.weight_heights[i]} ($child.id)')
			total += heights[i]
			if i == s.children.len - 1 {
				println('+ bottom: ${s.margin(.bottom)} $s.margins.bottom')
				total += s.margin(.bottom)
			} else {
				println('+ spacing[$i]: ${s.spacing(i)} ${s.spacings[i]}')
				total += s.spacing(i)
			}
		}
		println('= $total == $s.real_height')
		// max rule for heights
		println('MaxRule($s.id)  top: ${s.margin(.left)} = $s.margins.left * $s.real_width')
		total = 0 // s.margin(.left)
		for i, _ in s.children {
			if widths[i] > total {
				total = widths[i]
			}
			println('max $total | current w[$i]: ${widths[i]} ${c.weight_widths[i]}')
		}
		println(' right: ${s.margin(.right)} = $s.margins.right * $s.real_width')
		println(' $s.real_width == ${s.margin(.left) + total + s.margin(.right)} = ${s.margin(.left)} + $total + ${s.margin(.right)} ')
	}
}