/**
 * 统一业务 code → 中文展示入口。
 * 图表/Tag/列表禁止直接把英文枚举抛给用户；未知 code 显示「未知(code)」。
 */

export type StatusDictType =
  | 'batchStatus'
  | 'flowStage'
  | 'personnelStatus'
  | 'insuranceMatch'
  | 'alertHandleStatus'
  | 'alertType'
  | 'alertLevel'
  | 'specialBizType'
  | 'processAction'

const BATCH_STATUS: Record<string, string> = {
  DRAFT: '草稿',
  PENDING_TOWN_APPROVE: '待镇经发初审',
  PENDING_INSURANCE_MATCH: '待居保匹配',
  PENDING_STATUS_MAINTAIN: '待状态维护',
  PENDING_LEADER_APPROVE: '待分管领导审批',
  READY_EXPORT: '可出盘',
  EXPORTED: '已出盘',
  RETURNED: '已回盘',
  ARCHIVED: '已归档',
  REJECTED: '已驳回',
}

/** 流程阶段（与业务状态语义分离；EXPORTED 在流程上多为「回盘信息确认」） */
const FLOW_STAGE: Record<string, string> = {
  STAGE1_PERSONNEL_INPUT: '人员新增录入',
  STAGE2_TOWN_PRECHECK: '镇经发中心初审',
  STAGE3_INSURANCE_MATCH: '居保状态匹配',
  STAGE4_MONTHLY_LIST: '生成月补贴清单',
  STAGE5_LEADER_ONLINE_APPROVE: '分管领导审批',
  STAGE6_COMPARE_FILE: '生成对照文件',
  STAGE7_OFFLINE_SIGN_PAY: '待线下发放',
  STAGE8_RETURN_CONFIRM: '回盘信息确认',
  DRAFT: '人员新增录入',
  PENDING_TOWN_APPROVE: '镇经发中心初审',
  PENDING_INSURANCE_MATCH: '居保状态匹配',
  PENDING_STATUS_MAINTAIN: '比对结果已生成',
  PENDING_LEADER_APPROVE: '分管领导审批',
  READY_EXPORT: '待线下发放',
  EXPORTED: '回盘信息确认',
  RETURNED: '已回盘确认',
  ARCHIVED: '已归档',
  REJECTED: '退回修改',
}

const PERSONNEL_STATUS: Record<string, string> = {
  DRAFT: '待提交资格',
  PENDING_TOWN_APPROVE: '待资格审批',
  NEW: '新增',
  PENDING_INSURANCE_MATCH: '待居保匹配',
  NORMAL: '正常发放',
  PAUSED: '暂停',
  STOPPED: '停止',
  FUNERAL: '死亡丧葬',
  EXITED: '已退出',
  ABNORMAL: '异常待处理',
  ARCHIVED: '已归档',
}

const INSURANCE_MATCH: Record<string, string> = {
  PENDING: '未匹配',
  SUCCESS: '匹配通过',
  LOSE_ELIGIBILITY: '丧失资格',
  FAIL: '匹配失败',
  MANUAL_PASS: '匹配通过',
}

const ALERT_HANDLE: Record<string, string> = {
  PENDING: '待处理',
  PROCESSING: '处理中',
  CLOSED: '已关闭',
}

const ALERT_TYPE: Record<string, string> = {
  BANK_CARD_ABNORMAL: '银行卡异常',
  NAME_MISMATCH: '姓名不一致',
  INSURANCE_MATCH_FAIL: '居保匹配失败',
  AMOUNT_ABNORMAL: '金额异常',
  DEATH_STATUS: '死亡停发预警',
  MATERIAL_PENDING: '材料待补',
  RETURN_FAIL: '回盘失败',
  LAND_MATCH_FAIL: '土地匹配不符合',
  APPROVAL_TIMEOUT: '审批超时',
  REFUND_FISCAL: '多发退款待退缴',
  QUALIFY_REJECT: '退养资格驳回',
  民政死亡比对: '死亡停发预警',
  回盘发放失败: '回盘失败',
}

const ALERT_LEVEL: Record<string, string> = {
  HIGH: '高',
  MEDIUM: '中',
  LOW: '低',
}

const SPECIAL_BIZ: Record<string, string> = {
  FUNERAL: '丧葬补贴',
  PAUSE: '暂停发放',
  STOP: '停止发放',
  RESUME: '恢复发放',
  STANDARD_ADJUST: '调标差额补发',
  SUPPLEMENT: '纳入下月补发',
  REFUND: '多发退款',
  HEIR_UPDATE: '继承人信息变更',
  STANDARD_CHANGE: '标准变更',
  INSURANCE_MATCH: '居保匹配',
  PERSONNEL_STATUS: '人员状态变更',
  RETIRE_QUALIFY: '退养资格审批',
}

/** 流程动作 / bizType 英文码 → 中文（禁止直接渲染 code） */
const PROCESS_ACTION: Record<string, string> = {
  SPECIAL_BIZ: '特殊业务申请',
  SPECIAL_APPROVE_PASS: '分管领导审批通过',
  SPECIAL_APPROVE_REJECT: '分管领导审批驳回',
  STATUS_STOPPED: '停止发放',
  STATUS_PAUSED: '暂停发放',
  STATUS_NORMAL: '恢复发放',
  STATUS_FUNERAL: '死亡丧葬状态落地',
  STATUS_ARCHIVED: '人员归档',
  STATUS_ABNORMAL: '异常待处理',
  STATUS_PENDING_INSURANCE_MATCH: '待居保匹配',
  QUALIFY_SUBMIT: '提交退养资格',
  QUALIFY_PASS: '退养资格审批通过',
  QUALIFY_REJECT: '退养资格审批驳回',
  QUALIFY_REJECT_CLOSED: '资格驳回告警已关闭，退回待提交资格',
  RETIRE_QUALIFY: '退养资格审批',
  RETIRE_QUALIFY_SNAPSHOT: '退养资格',
  STATUS_NEW: '新增',
  PERSONNEL_STATUS: '人员状态变更',
  PERSONNEL_STATUS_SNAPSHOT: '人员业务状态',
  FUNERAL: '丧葬/死亡登记',
  STOP: '停止发放申请',
  PAUSE: '暂停发放申请',
  RESUME: '恢复发放申请',
  SUPPLEMENT: '补发申请',
  NOTE: '补充备注',
  INSURANCE_MATCH: '居保匹配',
  INSURANCE_MATCH_SUCCESS: '居保匹配通过',
  INSURANCE_MATCH_MANUAL: '居保人工确认',
  INSURANCE_MATCH_FAIL: '居保匹配失败',
  INSURANCE_MATCH_PENDING: '居保待确认',
  INSURANCE_MATCH_SNAPSHOT: '居保匹配结果',
  CALC_ROUND: '测算轮次',
  CALC_LOCK: '锁定测算',
  CALC_UNLOCK: '解锁测算',
  TODO_READ: '待办已读',
  PERSONNEL_IMPORT: '人员导入',
  PERSONNEL_FIELD_CHANGE: '人员字段变更',
  RETURN_ARREARS: '回盘失败待补发',
  SYS_USER: '系统用户',
  SYS_CONFIG: '系统配置',
  LOGIN_LOG: '登录日志',
  LOGIN_AUDIT: '登录审计',
  LOGOUT_AUDIT: '登出审计',
  OP_LOG: '操作日志',
  STANDARD_CHANGE: '标准变更',
  STANDARD_ADJUST: '调标差额补发',
  REFUND: '多发退款',
  HEIR_UPDATE: '继承人信息变更',
  SUCCESS: '成功',
  FAIL: '失败',
  PENDING: '待处理',
  PASS: '通过',
  REJECT: '驳回',
  LOGIN: '登录',
  LOGOUT: '登出',
  成功: '成功',
  登出: '登出',
  失败: '失败',
}

/** 角色 key / 英文角色码 → 中文称谓 */
const ROLE_LABEL: Record<string, string> = {
  village: '村合作社',
  town: '镇经发中心',
  social: '镇社区事务受理中心',
  leader: '分管领导',
  agri: '区农委',
  hr: '区人社局',
  admin: '系统管理员',
  district: '区级',
  unknown: '未知角色',
  系统: '系统',
  业务部门: '业务部门',
  分管领导: '分管领导',
  历史: '历史',
}

const DICTS: Record<StatusDictType, Record<string, string>> = {
  batchStatus: BATCH_STATUS,
  flowStage: FLOW_STAGE,
  personnelStatus: PERSONNEL_STATUS,
  insuranceMatch: INSURANCE_MATCH,
  alertHandleStatus: ALERT_HANDLE,
  alertType: ALERT_TYPE,
  alertLevel: ALERT_LEVEL,
  specialBizType: SPECIAL_BIZ,
  processAction: PROCESS_ACTION,
}

/** 是否像未翻译的英文枚举 code */
function looksLikeCode(s: string) {
  return /^[A-Z][A-Z0-9_]*$/.test(s)
}

/** 命中字典或已是中文则返回；未知英文 code 返回 null */
export function tryLabelOf(dictType: StatusDictType, code?: string | null): string | null {
  if (code == null || code === '') return null
  const raw = String(code).trim()
  const table = DICTS[dictType]
  if (table[raw]) return table[raw]
  const upper = raw.toUpperCase()
  if (table[upper]) return table[upper]
  if (!looksLikeCode(raw)) return raw
  return null
}

/**
 * @param dictType 字典册
 * @param code 后端枚举或已是中文的文案
 */
export function labelOf(dictType: StatusDictType, code?: string | null): string {
  if (code == null || code === '') return ''
  const hit = tryLabelOf(dictType, code)
  if (hit != null) return hit
  const raw = String(code).trim()
  if (import.meta.env.DEV) {
    // eslint-disable-next-line no-console
    console.warn(`[statusLabels] 未知 ${dictType} code:`, raw)
  }
  return `未知(${raw})`
}

export function batchStatusLabel(code?: string | null) {
  return labelOf('batchStatus', code)
}

export function flowStageLabelOf(code?: string | null) {
  return labelOf('flowStage', code)
}

export function personnelStatusLabel(code?: string | null) {
  return labelOf('personnelStatus', code)
}

/** 退养资格类型展示：空/UNSET → 待认定 */
export function retireQualifyLabel(code?: string | null) {
  const s = String(code || '').trim()
  if (!s || s === '—' || s === 'UNSET' || s === 'NONE' || s === 'CLEARED') return '待认定'
  if (s === 'WITH_LAND') return '有土地退养'
  if (s === 'WITHOUT_LAND') return '无土地有资格'
  if (s === 'INELIGIBLE') return '无资格'
  return s
}

const REFUND_PROGRESS: Record<string, string> = {
  REGISTERED: '已登记',
  VERIFYING: '核实中',
  DEDUCTING: '下月扣减中',
  RETURNING: '退缴财政中',
  VOUCHER_ARCHIVED: '凭证已归档',
  DONE: '已完成',
}

export function refundProgressLabel(code?: string | null): string {
  if (code == null || code === '') return ''
  const raw = String(code).trim()
  if (REFUND_PROGRESS[raw]) return REFUND_PROGRESS[raw]
  if (REFUND_PROGRESS[raw.toUpperCase()]) return REFUND_PROGRESS[raw.toUpperCase()]
  if (looksLikeCode(raw)) return labelOf('processAction', raw)
  return raw
}

/** 流程动作展示：已是中文则原样，英文 code 走字典 */
export function processActionLabelOf(code?: string | null): string {
  if (code == null || code === '') return '办理'
  const raw = String(code).trim()
  if (!looksLikeCode(raw)) return raw
  return labelOf('processAction', raw)
}

/** 结果/状态短码展示 */
export function resultLabelOf(code?: string | null): string {
  if (code == null || code === '') return ''
  const raw = String(code).trim()
  if (!looksLikeCode(raw) && !/^(SUCCESS|FAIL|PENDING|PASS|REJECT)$/i.test(raw)) {
    return raw
  }
  return (
    tryLabelOf('processAction', raw) ||
    tryLabelOf('alertHandleStatus', raw) ||
    tryLabelOf('insuranceMatch', raw) ||
    tryLabelOf('batchStatus', raw) ||
    labelOf('processAction', raw)
  )
}

/** 角色展示：禁止直接渲染 village/social 等 key */
export function roleLabelOf(code?: string | null): string {
  if (code == null || code === '') return ''
  const raw = String(code).trim()
  if (ROLE_LABEL[raw]) return ROLE_LABEL[raw]
  if (ROLE_LABEL[raw.toLowerCase()]) return ROLE_LABEL[raw.toLowerCase()]
  if (!looksLikeCode(raw) && !/^[a-z][a-z0-9_]*$/i.test(raw)) return raw
  return raw
}

/** 通用展示：优先中文，疑似英文码则尝试多字典转义 */
export function displayBizText(code?: string | null): string {
  if (code == null || code === '') return '—'
  const raw = String(code).trim()
  if (!looksLikeCode(raw) && !/^[a-z][a-z0-9_]*$/i.test(raw)) return raw
  return (
    tryLabelOf('batchStatus', raw) ||
    tryLabelOf('flowStage', raw) ||
    tryLabelOf('personnelStatus', raw) ||
    tryLabelOf('insuranceMatch', raw) ||
    tryLabelOf('specialBizType', raw) ||
    tryLabelOf('processAction', raw) ||
    tryLabelOf('alertType', raw) ||
    roleLabelOf(raw) ||
    `未知(${raw})`
  )
}