export function movePlant(payload: MovePlantProps) {
  const tr = payload.plant;
  const update = defensiveClone(payload.plant).body;
  update.x += payload.deltaX;
  update.y += payload.deltaY;
  update.x = clamp(update.x, 0, payload.gridSize.x);
  update.y = clamp(update.y, 0, payload.gridSize.y);
  return edit(tr, update);
}

 // @Override
 interpolateValue(start: string, end: string, f: number) {
   if (!start || !end) {
     return undefined;
   }
   const s = ColorUtil.parseAndroidColor(start);
   const e = ColorUtil.parseAndroidColor(end);
   return ColorUtil.toAndroidString({
     r: _.clamp(Math.round(MathUtil.lerp(s.r, e.r, f)), 0, 0xff),
     g: _.clamp(Math.round(MathUtil.lerp(s.g, e.g, f)), 0, 0xff),
     b: _.clamp(Math.round(MathUtil.lerp(s.b, e.b, f)), 0, 0xff),
     a: _.clamp(Math.round(MathUtil.lerp(s.a, e.a, f)), 0, 0xff),
   });
 }

 static *tween(duration: number, effectFactory: (t: number) => Effect) {
   let accumulation = 0
   while (accumulation < duration) {
     const { delta }: actions.Tick = yield take(actions.A.Tick)
     accumulation += delta
     yield effectFactory(clamp(accumulation / duration, 0, 1))
   }
 }

export function parseLevel(level: Level|number|string): Level {
    level = +level;
    if (isNaN(level)) {
        return 0;
    }

    return _.clamp(+level, 0, 16) as Level;
}

export function createItemStack<I extends Item>(
  item: I, stackAmount: number, maxStackAmount = stackAmount
): ItemStack<I> {
  return {
    item,
    maxStackAmount,
    stackAmount: _.clamp(stackAmount, 0, maxStackAmount)
  };
}

const setStageZoom = (state: ApplicationState, workspaceId: string, zoom: number, smooth: boolean = true) => {
  const workspace = getWorkspaceById(state, workspaceId);
  return updateWorkspaceStage(state, workspace.$id, {
    smooth,
    translate: centerTransformZoom(
      workspace.stage.translate, workspace.stage.container.getBoundingClientRect(), 
      clamp(zoom, MIN_ZOOM, MAX_ZOOM),
      workspace.stage.mousePosition
    )
  });
};

export default function(t: number, cols: tinycolorInstance[], hsv?: boolean) {
	var c = cols.length - 1; t = t * c; if (c === 0) return cols[0];
	var i = _.clamp(Math.floor(t), 0, c-1); t = t - i;
	var a = cols[i], b = cols[i+1], lerp = function(s: number, e: number) { return (1-t)*s+t*e; };
	if (hsv) {
		let s = a.toHsv(), e = b.toHsv();
		return tinycolor({h: lerp(s.h, e.h), s: lerp(s.s, e.s), v: lerp(s.v, e.v)});
	} else {
		let s = a.toRgb(), e = b.toRgb();
		return tinycolor({r: lerp(s.r, e.r), g: lerp(s.g, e.g), b: lerp(s.b, e.b)});
	}
};

export function changeStats(
  stats: Stats, changes: PartialStats,
  min: Stats = { health: 0, agility: 0, intelligence: 0, strength: 0 },
  max: Stats = { health: Infinity, agility: Infinity, intelligence: Infinity, strength: Infinity }
): Stats {
  const completeChange = partialStatsToCompleteStats(changes);

  stats.health = _.clamp(
    stats.health + completeChange.health, min.health, max.health
  );
  stats.strength = _.clamp(
    stats.strength + completeChange.strength, min.strength, max.strength
  );
  stats.intelligence = _.clamp(
    stats.intelligence + completeChange.intelligence, min.intelligence, max.intelligence
  );
  stats.agility = _.clamp(
    stats.agility + completeChange.agility, min.agility, max.agility
  );

  return stats;
}

 // @Override
 setEditableValue(model: any, propertyName: string, value: string | number | undefined) {
   if (typeof value !== 'number') {
     value = parseFloat(value);
   }
   if (isNaN(value)) {
     return;
   }
   value = _.clamp(value, this.min, this.max);
   if (this.isInteger) {
     value = Math.floor(value);
   }
   model[propertyName] = value;
 }

 // @Override
 protected setter(model: any, propertyName: string, value: string | number | undefined) {
   if (typeof value === 'string') {
     value = Number(value);
   }
   if (typeof value === 'number') {
     if (!isNaN(value)) {
       value = _.clamp(value, this.min, this.max);
       if (this.isInteger) {
         value = Math.floor(value);
       }
     }
   }
   model[`${propertyName}_`] = value;
 }