// 当前两个产品选项同时决定 OpenAPI GenealogyCreate/UpdateBody 的
// visibility 与 joinMode，因此它们是“访问预设”，不是单一可见范围。
export const GENEALOGY_ACCESS_PRESET = Object.freeze({
  MEMBER_ONLY: "MEMBER_ONLY",
  PUBLIC_APPLY: "PUBLIC_APPLY",
});

export const GENEALOGY_ACCESS_PRESET_OPTIONS = Object.freeze([
  Object.freeze({
    value: GENEALOGY_ACCESS_PRESET.MEMBER_ONLY,
    label: "仅成员可见",
  }),
  Object.freeze({
    value: GENEALOGY_ACCESS_PRESET.PUBLIC_APPLY,
    label: "公开可申请",
  }),
]);

export const isGenealogyAccessPreset = (preset) =>
  Object.values(GENEALOGY_ACCESS_PRESET).includes(preset);

// 当前导出只在字段说明中给出 0/1/2 示例，并未提供正式 enum。这里锁住页面
// 当前能表达的两个组合，未知组合一律返回 null；邀请码模式必须等后端合同补齐，
// 不能把 PUBLIC_APPLY 冒充 joinMode=2。
const apiAccessByPreset = Object.freeze({
  [GENEALOGY_ACCESS_PRESET.MEMBER_ONLY]: Object.freeze({
    visibility: "2",
    joinMode: "0",
  }),
  [GENEALOGY_ACCESS_PRESET.PUBLIC_APPLY]: Object.freeze({
    visibility: "1",
    joinMode: "1",
  }),
});

export const getGenealogyAccessPresetLabel = (preset) =>
  GENEALOGY_ACCESS_PRESET_OPTIONS.find((item) => item.value === preset)
    ?.label || "访问规则待确认";

export const toApiGenealogyAccess = (preset) => {
  const access = apiAccessByPreset[preset];
  return access ? { ...access } : null;
};

export const fromApiGenealogyAccess = ({ visibility, joinMode } = {}) => {
  const match = Object.entries(apiAccessByPreset).find(
    ([, access]) =>
      access.visibility === visibility && access.joinMode === joinMode,
  );
  return match?.[0] || null;
};