export const MINIMAX_H3_MODEL = "MiniMax-H3";

export function minimaxH3VideoPriceFenPerSecond(resolution: unknown) {
  return String(resolution || "").trim().toUpperCase() === "2K" ? 80 : 50;
}

export function calculateMinimaxH3ActualAmountFen(input: {
  resolution?: unknown;
  outputSeconds: number;
  inputVideoSeconds?: number;
  inputImageCount?: number;
  markupMultiplier: number;
}) {
  const outputSeconds = integer(input.outputSeconds);
  const inputVideoSeconds = nonNegativeInteger(input.inputVideoSeconds);
  const inputImageCount = nonNegativeInteger(input.inputImageCount);
  if (outputSeconds <= 0) throw new Error("MiniMax H3 实际输出时长必须大于 0。");
  if (!Number.isFinite(input.markupMultiplier) || input.markupMultiplier < 1) throw new Error("MiniMax H3 计费倍率不能低于 1.00。");
  const standardAmountFen = (outputSeconds + inputVideoSeconds) * minimaxH3VideoPriceFenPerSecond(input.resolution)
    + Math.max(0, inputImageCount - 5) * 20;
  return Math.ceil(standardAmountFen * input.markupMultiplier);
}

function integer(value: unknown) {
  const number = Number(value);
  return Number.isInteger(number) ? number : 0;
}

function nonNegativeInteger(value: unknown) {
  return Math.max(0, integer(value));
}