const ROLE = {
  PARTICIPANT: 'participant',
  REFEREE: 'referee',
  CHECKER: 'checker'
};

const ROLE_META = {
  participant: { value: 'participant', label: '参赛者', description: '报名参赛并查询个人成绩' },
  referee: { value: 'referee', label: '裁判', description: '完成裁判认证后参与执裁' },
  checker: { value: 'checker', label: '检录员', description: '查看检录轮次并完成现场检录' }
};

function normalizeRole(value) {
  if (value == null || value === '') return ROLE.PARTICIPANT;
  const raw = String(value).toLowerCase();
  const map = {
    '1': ROLE.PARTICIPANT,
    participant: ROLE.PARTICIPANT,
    athlete: ROLE.PARTICIPANT,
    user: ROLE.PARTICIPANT,
    player: ROLE.PARTICIPANT,
    '参赛者': ROLE.PARTICIPANT,
    '2': ROLE.REFEREE,
    referee: ROLE.REFEREE,
    judge: ROLE.REFEREE,
    '裁判': ROLE.REFEREE,
    '3': ROLE.CHECKER,
    checker: ROLE.CHECKER,
    checkin: ROLE.CHECKER,
    inspector: ROLE.CHECKER,
    '检录员': ROLE.CHECKER
  };
  return map[raw] || ROLE.PARTICIPANT;
}

function getProfileRole(profile) {
  const p = profile && typeof profile === 'object' ? profile : {};
  const raw = p.role != null ? p.role
    : p.userRole != null ? p.userRole
      : p.accountRole != null ? p.accountRole
        : p.roleType != null ? p.roleType
          : p.RoleType != null ? p.RoleType
            : p.userType != null ? p.userType
              : p.identityType;
  if (raw != null && raw !== '') return normalizeRole(raw);
  return normalizeRole(wx.getStorageSync('registeredRole') || ROLE.PARTICIPANT);
}

function updateEventTabBar(role) {
  if (typeof wx === 'undefined' || typeof wx.setTabBarItem !== 'function') return;
  const isChecker = normalizeRole(role) === ROLE.CHECKER;
  wx.setTabBarItem({
    index: 0,
    text: isChecker ? '检录' : '赛事',
    iconPath: isChecker ? 'assets/tab_scan.png' : 'assets/tab_home.png',
    selectedIconPath: isChecker ? 'assets/tab_scan_sel.png' : 'assets/tab_home_sel.png',
    fail() {}
  });
}

module.exports = { ROLE, ROLE_META, normalizeRole, getProfileRole, updateEventTabBar };