/**
 * 项目状态（bomStatus）—— 与后端 ProjectStatusLock 保持一致。
 * 页面展示 / 筛选 / 设置状态都用这一套，不再读字典 process_status。
 *
 * 8 工艺审核完成：禁止出图、禁止上传工艺路线
 * 6 开始生产 / 7 生产完成：禁止出图、上传工艺路线、推送工艺、更新物料清单
 */

export const ProjectStatusAction = {
  DRAWING: "DRAWING",
  UPLOAD_ROUTE: "UPLOAD_ROUTE",
  PUSH_ROUTE: "PUSH_ROUTE",
  UPDATE_MATERIAL: "UPDATE_MATERIAL",
};

const ACTION_LABEL = {
  DRAWING: "出图",
  UPLOAD_ROUTE: "上传工艺路线",
  PUSH_ROUTE: "推送工艺",
  UPDATE_MATERIAL: "更新物料清单",
};

/** 与后端写入值一致；5 为历史残留，展示等同开始生产，不出现在下拉 */
export const PROJECT_STATUS_MAP = {
  0: "方案设计完成",
  1: "设计出图完成",
  2: "工艺待审核",
  3: "已推送BOM",
  4: "已推送工艺",
  5: "开始生产",
  6: "开始生产",
  7: "生产完成",
  8: "工艺审核完成",
  9: "工艺审核拒绝",
};

export const PROJECT_STATUS_OPTIONS = [
  { value: 0, label: "方案设计完成" },
  { value: 1, label: "设计出图完成" },
  { value: 2, label: "工艺待审核" },
  { value: 3, label: "已推送BOM" },
  { value: 4, label: "已推送工艺" },
  { value: 6, label: "开始生产" },
  { value: 7, label: "生产完成" },
  { value: 8, label: "工艺审核完成" },
  { value: 9, label: "工艺审核拒绝" },
  { value: 10, label: "取消出图" },
  { value: 11, label: "不需要出图" },
];

export function projectStatusLabel(bomStatus) {
  const s = bomStatus === null || bomStatus === undefined || bomStatus === ""
    ? null
    : Number(bomStatus);
  if (s === null || Number.isNaN(s)) return "未知";
  return PROJECT_STATUS_MAP[s] || String(s);
}

export function denyIfProjectStatusLocked(bomStatus, action) {
  if (bomStatus === null || bomStatus === undefined || bomStatus === "" || !action) {
    return null;
  }
  const s = Number(bomStatus);
  if (Number.isNaN(s)) return null;

  const productionLocked = s === 5 || s === 6 || s === 7;
  const routeApproved = s === 8;

  if (action === ProjectStatusAction.DRAWING || action === ProjectStatusAction.UPLOAD_ROUTE) {
    if (productionLocked || routeApproved) {
      return `当前项目状态为「${projectStatusLabel(s)}」，不允许${ACTION_LABEL[action]}`;
    }
    return null;
  }
  if (action === ProjectStatusAction.PUSH_ROUTE || action === ProjectStatusAction.UPDATE_MATERIAL) {
    if (productionLocked) {
      return `当前项目状态为「${projectStatusLabel(s)}」，不允许${ACTION_LABEL[action]}`;
    }
    return null;
  }
  return null;
}

export function isProjectStatusLocked(bomStatus, action) {
  return !!denyIfProjectStatusLocked(bomStatus, action);
}