package main

import "surdeus.su/core/gg"
import "surdeus.su/core/gg/ox"
import "surdeus.su/core/gg/mx"

import (
	"strings"
	"fmt"
)

type Debug struct {
	ox.ObjectImpl
	ox.Visibility
}

func (d *Debug) OnUpdate(c Context) {
	for _, key := range c.Events().Keyboard.KeyDowns {
		switch key.Key {
		case gg.KeyF11:
			d.ToggleVisibility()
			//d.Visible = !d.IsVisible()
		}
	}
}

func (d *Debug) GetLayer() gg.Layer {return LayerHighest}

func (d *Debug) Draw(c Context) *gg.Drawing {
	e := c.Engine()
	relTri := tri.Rel()
	relPlayer := player.Rel()

	keyStrs := []string{}
	keyStrs = append(keyStrs, fmt.Sprintf(
		"counter: %d", counter,
	))
	keyStrs = append(keyStrs, fmt.Sprintf(
		"tps: %d", int(c.Engine().TPS()),
	))
	keyStrs = append(keyStrs, fmt.Sprintf(
		"fps: %d", int(c.Engine().FPS()),
	))
	keyStrs = append(keyStrs, fmt.Sprintf(
		"dframe: %d", int(c.Engine().Dframe()),
	))
	keyStrs = append(keyStrs, fmt.Sprintf(
		"frame: %d", int(c.Engine().Frame()),
	))
	keyStrs = append(keyStrs, fmt.Sprintf(
		"relPlayerPos: %v", relPlayer.GetPosition(),
	))
	keyStrs = append(keyStrs, fmt.Sprintf(
		"absPlayerPos: %v", player.GetPosition(),
	))

	keyStrs = append(keyStrs, fmt.Sprintf(
		"relTriPos: %v", relTri.GetPosition(),
	))
	keyStrs = append(keyStrs, fmt.Sprintf(
		"absTriPos: %v", tri.GetPosition(),
	))
	keyStrs = append(keyStrs, fmt.Sprintf(
		"absTriRot: %v", mx.Degree(tri.GetRotation()),
	))

	keys := []string{}
	for _, k := range e.GetKeyboardKeys() {
		keys = append(keys, k.String())
	}
	keyStrs = append(keyStrs, fmt.Sprintf(
		"keys: %s", strings.Join(keys, ", "),
	))

	keyStrs = append(keyStrs, fmt.Sprintf(
		"buttons: %v", c.Engine().MouseButtons(),
	))
	keyStrs = append(keyStrs, fmt.Sprintf(
		"wheel: %v", c.Engine().Wheel(),
	))
	/*if rectMove.ContainsPoint(e.AbsCursorPosition()) {
		keyStrs = append(keyStrs, "contains cursor")
	}

	if rectMove.Vertices().Contained(rect).Len() > 0 ||
		rect.Vertices().Contained(rectMove).Len() > 0 {
		keyStrs = append(keyStrs, "rectangles intersect")
	}*/

	keyStrs = append(keyStrs, fmt.Sprintf(
		"camera position: %v %v",
		camera.GetPosition().X,
		camera.GetPosition().Y,
	))
	keyStrs = append(keyStrs, fmt.Sprintf(
		"realCursorPos: %v", e.GetRealCursorPosition()))
	keyStrs = append(keyStrs, fmt.Sprintf(
		"absCursorPos: %v", e.GetAbsCursorPosition() ))

	keyStrs = append(keyStrs,
		fmt.Sprintf(
			"absWinSize: %v",
			c.Engine().GetAbsWinSize(),
		),
	)

	e.DebugPrint(c.Image(),
		strings.Join(keyStrs, "\n"))

	return nil
}