package main

import "github.com/vultras/gg"

import (
	"strings"
	"fmt"
)

type Debug struct {
	gg.Visibility
	gg.Layer
}

func (d *Debug) Draw(c *Context) {
	e := c.Engine
	keyStrs := []string{}
	keyStrs = append(keyStrs, fmt.Sprintf(
		"tps: %d", int(c.TPS()),
	))
	keyStrs = append(keyStrs, fmt.Sprintf(
		"fps: %d", int(c.FPS()),
	))
	keyStrs = append(keyStrs, fmt.Sprintf(
		"relPlayerPos: %v", player.Position,
	))
	keyStrs = append(keyStrs, fmt.Sprintf(
		"absPlayerPos: %v", player.AbsPosition(),
	))

	keyStrs = append(keyStrs, fmt.Sprintf(
		"relTriPos: %v", tri.Position,
	))
	keyStrs = append(keyStrs, fmt.Sprintf(
		"absTriPos: %v", tri.AbsPosition(),
	))
	keyStrs = append(keyStrs, fmt.Sprintf(
		"absTriRot: %v", gg.Degree(tri.AbsRotation()),
	))

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

	keyStrs = append(keyStrs, fmt.Sprintf(
		"buttons: %v", c.MouseButtons(),
	))
	keyStrs = append(keyStrs, fmt.Sprintf(
		"wheel: %v", c.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",
		c.Camera.Position.X,
		c.Camera.Position.Y,
	))
	keyStrs = append(keyStrs, fmt.Sprintf("realCursorPos: %v", e.CursorPosition()))
	keyStrs = append(keyStrs, fmt.Sprintf("absCursorPos: %v", e.AbsCursorPosition()))
	keyStrs = append(keyStrs, fmt.Sprintf("absWinSize: %v", c.AbsWinSize()))

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

}

func (d *Debug) IsVisible() bool { return true }