package main

// implements widgets 'Window' and 'Tab'

import (
	"strings"

	"go.wit.com/log"
	"go.wit.com/widget"
)

func (w *guiWidget) Width() int {
	if w.frame {
		return w.gocuiSize.w1 - w.gocuiSize.w0
	}
	return w.gocuiSize.w1 - w.gocuiSize.w0 - 1
}

func (w *guiWidget) Height() int {
	if w.frame {
		return w.gocuiSize.h1 - w.gocuiSize.h0
	}
	return w.gocuiSize.h1 - w.gocuiSize.h0 - 1
}

func (tk *guiWidget) gocuiSetWH(sizeW, sizeH int) {
	w := len(widget.GetString(tk.value))
	lines := strings.Split(widget.GetString(tk.value), "\n")
	h := len(lines)

	// tk := n.tk
	if tk.isFake {
		tk.gocuiSize.w0 = sizeW
		tk.gocuiSize.h0 = sizeH
		tk.gocuiSize.w1 = tk.gocuiSize.w0 + w + me.FramePadW
		tk.gocuiSize.h1 = tk.gocuiSize.h0 + h + me.FramePadH
		return
	}

	if tk.frame {
		tk.gocuiSize.w0 = sizeW
		tk.gocuiSize.h0 = sizeH
		tk.gocuiSize.w1 = tk.gocuiSize.w0 + w + me.FramePadW
		tk.gocuiSize.h1 = tk.gocuiSize.h0 + h + me.FramePadH
	} else {
		tk.gocuiSize.w0 = sizeW - 1
		tk.gocuiSize.h0 = sizeH - 1
		tk.gocuiSize.w1 = tk.gocuiSize.w0 + w + 1
		tk.gocuiSize.h1 = tk.gocuiSize.h0 + h + 1
	}
}

func redoWindows(nextW int, nextH int) {
	wRoot := me.treeRoot.TK.(*guiWidget)
	for _, win := range wRoot.children {
		if win.node.WidgetType != widget.Window {
			continue
		}
		var tabs bool
		for _, child := range win.children {
			if child.node.WidgetType == widget.Tab {
				tabs = true
			}
		}
		if tabs {
			// window is tabs. Don't show it as a standard button
			win.frame = false
			win.hasTabs = true
		} else {
			win.frame = false
			win.hasTabs = false
		}

		win.gocuiSetWH(nextW, nextH)
		win.deleteView()
		win.showView()

		sizeW := win.Width() + me.WindowPadW
		sizeH := win.Height()
		nextW += sizeW
		log.Log(NOW, "redoWindows() start nextW,H =", nextW, nextH, "gocuiSize.W,H =", sizeW, sizeH, win.String())

		if win.hasTabs {
			win.redoTabs(me.TabW, me.TabH)
		}
	}
}

func (p *guiWidget) redoTabs(nextW int, nextH int) {
	for _, w := range p.children {
		if w.node.WidgetType != widget.Tab {
			continue
		}
		w.frame = true

		w.gocuiSetWH(nextW, nextH)
		w.deleteView()
		// setCurrentTab(n)
		// if (len(w.cuiName) < 4) {
		// 	w.cuiName = "abcd"
		// }

		w.showView()

		sizeW := w.Width() + me.TabPadW
		sizeH := w.Height()
		log.Log(NOW, "redoTabs() start nextW,H =", nextW, nextH, "gocuiSize.W,H =", sizeW, sizeH, w.String())
		nextW += sizeW
	}
}