package systems

import (
	"lab.zaar.be/thefish/alchemyst-go/engine/ecs"
	"lab.zaar.be/thefish/alchemyst-go/engine/fov"
	"lab.zaar.be/thefish/alchemyst-go/engine/gamemap"
	"lab.zaar.be/thefish/alchemyst-go/engine/types"
	"lab.zaar.be/thefish/alchemyst-go/ui/mainwindow"
)

type MobRenderSystem struct {
	Controller *ecs.Controller
	Layer      *mainwindow.Layer
	Viewport   *mainwindow.ViewPort
	Fov        fov.Fov
	*gamemap.Level
}

func (mrs MobRenderSystem) Process() {
	//if redraw {
		for e := range mrs.Controller.GetEntities() {
			if mrs.Controller.HasComponent(e, ecs.CoordsComponent) &&
				mrs.Controller.HasComponent(e, ecs.AppearanceComponent) {

				pos := mrs.Controller.GetComponent(e, ecs.CoordsComponent).(types.Coords)
				appearance := mrs.Controller.GetComponent(e, ecs.AppearanceComponent).(types.Appearance)

				//fixme fov check
				//if !mrs.Fov.IsInFov(pos) {
				//	continue
				//}

				vpc, err := mrs.Viewport.ToVPCoords(pos)
				if err != nil {
					continue //we cant see it? no problem.
				}
				mrs.Layer.WithRawColor(appearance.ColorSet.Fg.GetColor()).Put(vpc.X, vpc.Y, appearance.Glyph.GetGlyph())
			}
		}
	//}
}

func (mrs MobRenderSystem) SystemType() string {
	return ecs.MobRenderSystem
}