export const anglePresets: Record<
  string,
  { horizontalAngle: number; verticalAngle: number; zoom: number; prompt?: string }
> = {
  自定义: { horizontalAngle: 0, verticalAngle: 0, zoom: 50 },
  鱼眼视角: {
    horizontalAngle: 0,
    verticalAngle: 0,
    zoom: 20,
    prompt: "保持主体身份与场景，以鱼眼超广角镜头重新构图，明显桶形畸变",
  },
  倾斜视角: {
    horizontalAngle: 30,
    verticalAngle: 0,
    zoom: 50,
    prompt: "保持主体身份与场景，以荷兰角镜头拍摄，画面地平线倾斜 25 度",
  },
  正面俯拍: { horizontalAngle: 0, verticalAngle: 45, zoom: 50 },
  正面仰拍: { horizontalAngle: 0, verticalAngle: -30, zoom: 50 },
  全景俯拍: { horizontalAngle: 0, verticalAngle: 90, zoom: 0 },
  背面视角: { horizontalAngle: 180, verticalAngle: 0, zoom: 50 },
};
export function angleRequestParameters(settings: {
  horizontalAngle: number;
  verticalAngle: number;
  zoom: number;
}) {
  if (![settings.horizontalAngle, settings.verticalAngle, settings.zoom].every(Number.isFinite))
    throw Error("视角参数必须是有限数值");
  return {
    horizontalAngle: ((settings.horizontalAngle % 360) + 360) % 360,
    verticalAngle: Math.max(-30, Math.min(90, settings.verticalAngle)),
    zoom: Math.max(0, Math.min(10, settings.zoom / 10)),
  };
}