export type ResourceMode =
  | 'writable'
  | 'readonly'
  | 'append_only'
  | 'editable'
  | 'managed';
export type ResourcePageKind = 'list' | 'tree';
export type ResourceFieldType =
  | 'text'
  | 'password'
  | 'identity'
  | 'identity-list'
  | 'number'
  | 'money'
  | 'boolean'
  | 'date'
  | 'datetime'
  | 'textarea'
  | 'select';

export type ResourceField = {
  key: string;
  label: string;
  type?: ResourceFieldType;
  required?: boolean;
  relation?: string;
  options?: Array<{ label: string; value: string | number }>;
};

export type DetailAction = {
  name: string;
  resource: string;
  method?: 'POST' | 'PUT' | 'PATCH';
  danger?: boolean;
  fields?: ResourceField[];
};

export type ResourceUiDefinition = {
  key: string;
  name: string;
  resource: `/${string}`;
  title: string;
  mode: ResourceMode;
  pageKind: ResourcePageKind;
  fields: ResourceField[];
  detailActions?: DetailAction[];
  canCreate: boolean;
  canEdit: boolean;
  canChangeStatus: boolean;
  canArchive: boolean;
  accountManagement?: {
    resource: `/${string}`;
    relationKey: string;
    title: string;
  };
};

const fieldLabels: Record<string, string> = {
  code: '编码',
  name: '名称',
  username: '用户名',
  password: '密码',
  display_name: '显示名称',
  role_code: '角色编码',
  platform_role_code: '平台角色',
  credit_code: '统一社会信用代码',
  principal: '负责人',
  manager: '库房负责人',
  phone: '联系电话',
  address: '地址',
  longitude: '经度',
  latitude: '纬度',
  delivery_code: '配送站编码',
  avatar: '头像',
  work_status: '工作状态',
  credential_type: '资质类型',
  credential_no: '资质编号',
  expired_at: '到期时间',
  real_name: '实名姓名',
  is_default: '默认地址',
  params: '智能气阀参数',
  produced_at: '生产时间',
  enabled_at: '启用时间',
  product_status: '智能气阀状态',
  contract_status: '合同状态',
  order_status: '订单状态',
  previous_order_status: '异常前订单状态',
  payment_status: '支付状态',
  refund_status: '退款状态',
  apply_status: '提现状态',
  ticket_status: '工单状态',
  reconciliation_status: '对账状态',
  repair_no: '检修单号',
  repair_type: '检修类型',
  started_at: '开始时间',
  completed_at: '完成时间',
  result: '检修结果',
  target_product_status: '目标产品状态',
  content: '内容',
  operator: '操作人员',
  remark: '备注',
  action: '动作',
  occurred_at: '发生时间',
  reason: '原因',
  operator_identity: '操作人标识',
  operator_name: '操作人',
  owner_type: '归属类型',
  owner_identity: '归属标识',
  alipay_id: '支付宝账号',
  alipay_name: '支付宝账户名',
  wxpay_id: '微信账号',
  wxpay_name: '微信账户名',
  balance: '余额（元）',
  withdrawal_balance: '可提现余额（元）',
  card_no_last4: '银行卡末四位',
  bank_name: '银行名称',
  card_owner: '持卡人',
  payment_no: '支付单号',
  order_no: '订单号',
  trade_no: '第三方流水号',
  payment_type: '支付业务类型',
  pay_channel: '支付渠道',
  pay_type: '支付类型',
  amount: '金额（元）',
  fee: '手续费（元）',
  args: '支付参数',
  callback_msg: '回调信息',
  record_no: '流水号',
  request_no: '请求流水号',
  direction: '收支方向',
  trade_type: '交易类型',
  balance_after: '变动后余额（元）',
  withdrawal_balance_after: '变动后可提现余额（元）',
  refund_no: '退款单号',
  cash_no: '提现单号',
  channel: '渠道',
  review_reason: '审核原因',
  reviewed_at: '审核时间',
  ymd: '日期',
  ym: '月份',
  contract_no: '合同编号',
  title: '标题',
  terms: '合同条款',
  file_uri: '附件地址',
  default_delivery_fee: '默认配送费（元）',
  signed_at: '签署时间',
  effective_at: '生效时间',
  unit_price: '单价（元）',
  unbound_at: '解绑时间',
  revision_no: '修订号',
  creator_type: '创建方类型',
  creator_identity: '创建方标识',
  contact_name: '联系人',
  contact_phone: '联系电话',
  discount_amount: '优惠金额（元）',
  total_amount: '总金额（元）',
  delivery_fee: '配送费（元）',
  assigned_at: '分配时间',
  from_status: '原状态',
  to_status: '新状态',
  track_no: '轨迹编号',
  attempt_no: '尝试次数',
  point_type: '轨迹点类型',
  confirmed_at: '确认时间',
  sort_no: '排序',
  product_code: '商品编码',
  price_amount: '售价（元）',
  stock_quantity: '库存',
  value: '属性值',
  image_uri: '图片地址',
  is_cover: '封面图',
  quantity: '数量',
  selected: '是否选中',
  product_snapshot: '商品快照',
  sale_amount: '成交金额（元）',
  score: '评分',
  paid_at: '支付时间',
  settlement_no: '结算单号',
  subject_type: '结算主体类型',
  period_start: '结算开始时间',
  period_end: '结算结束时间',
  bill_date: '账单日期',
  difference_amount: '差异金额（元）',
  content_type: '内容类型',
  body: '正文',
  version_no: '版本号',
  publish_status: '发布状态',
  ticket_no: '工单号',
  category: '分类',
  priority: '优先级',
  location_scope: '坐标权限',
  parent_identity: '父级',
  group_code: '菜单分组编码',
  icon: '图标',
  path: '路由',
  menu_identities: '菜单权限',
  status: '状态',
};

const numbers = new Set([
  'sort_no', 'stock_quantity', 'quantity', 'score', 'version_no',
  'attempt_no', 'target_product_status',
]);
const money = new Set([
  'unit_price', 'amount', 'fee', 'balance', 'withdrawal_balance',
  'balance_after', 'withdrawal_balance_after', 'default_delivery_fee',
  'discount_amount', 'total_amount', 'delivery_fee', 'price_amount',
  'sale_amount', 'difference_amount',
]);
const booleans = new Set(['is_default', 'is_cover', 'selected', 'withdrawable']);
const dates = new Set(['bill_date']);
const datetimes = new Set([
  'expired_at', 'produced_at', 'enabled_at', 'started_at', 'completed_at',
  'occurred_at', 'reviewed_at', 'signed_at', 'effective_at', 'unbound_at',
  'assigned_at', 'confirmed_at', 'paid_at', 'period_start', 'period_end',
]);
const textareas = new Set([
  'params', 'content', 'remark', 'reason', 'terms', 'args', 'callback_msg',
  'review_reason', 'product_snapshot', 'body',
]);

function f(key: string, options: Partial<ResourceField> = {}): ResourceField {
  const type: ResourceFieldType = key.endsWith('_identity')
    ? 'identity'
    : money.has(key)
      ? 'money'
    : numbers.has(key)
      ? 'number'
      : booleans.has(key)
        ? 'boolean'
        : dates.has(key)
          ? 'date'
          : datetimes.has(key)
            ? 'datetime'
            : textareas.has(key)
              ? 'textarea'
              : key === 'password'
                ? 'password'
                : 'text';
  return { key, label: fieldLabels[key] ?? key, type, ...options };
}

function relation(key: string, resource: string, required = false): ResourceField {
  return f(key, { type: 'identity', relation: resource, required });
}

function define(
  name: string,
  title: string,
  mode: ResourceMode,
  fields: ResourceField[],
  pageKind: ResourcePageKind = 'list',
  detailActions?: DetailAction[],
  capabilities: Partial<
    Pick<
      ResourceUiDefinition,
      'canCreate' | 'canEdit' | 'canChangeStatus' | 'canArchive'
    >
  > = {},
): ResourceUiDefinition {
  const defaults = {
    canCreate: mode === 'writable' || mode === 'editable' || mode === 'append_only',
    canEdit: mode === 'writable' || mode === 'editable',
    canChangeStatus: mode === 'writable' || mode === 'editable',
    canArchive: mode === 'writable',
  };
  return {
    key: name.replace(/_/g, '-'),
    name,
    resource: `/${name}`,
    title,
    mode,
    pageKind,
    fields,
    ...defaults,
    ...capabilities,
    ...(detailActions ? { detailActions } : {}),
  };
}

const reason = [f('reason', { required: true })];

export const resources: ResourceUiDefinition[] = [
  { ...define('gas_basic', '气站管理', 'writable', [f('code', { required: true }), f('name', { required: true }), f('credit_code'), f('principal'), f('address'), f('longitude'), f('latitude')]), accountManagement: { resource: '/gas_account', relationKey: 'gas_basic_identity', title: '气站账户' } },
  define('gas_account', '气站账户', 'writable', [f('username', { required: true }), f('password', { required: true }), f('display_name'), f('role_code'), relation('gas_basic_identity', '/gas_basic', true)]),
  { ...define('delivery_basic', '配送点管理', 'writable', [f('delivery_code', { required: true }), f('name', { required: true }), relation('gas_basic_identity', '/gas_basic'), f('principal'), f('address')]), accountManagement: { resource: '/delivery_account', relationKey: 'delivery_basic_identity', title: '配送点账户' } },
  define('delivery_account', '配送站账户', 'writable', [f('username', { required: true }), f('password', { required: true }), f('display_name'), f('role_code'), relation('delivery_basic_identity', '/delivery_basic', true)]),
  define('staff_account', '工作人员', 'writable', [f('username', { required: true }), f('password', { required: true }), f('name', { required: true }), f('phone'), f('avatar'), f('role_code', { required: true, type: 'select', options: [{ label: '安装人员', value: 'installer' }, { label: '配送人员', value: 'delivery' }, { label: '运维人员', value: 'operations' }] }), relation('gas_basic_identity', '/gas_basic'), relation('delivery_basic_identity', '/delivery_basic'), f('work_status', { type: 'select', options: [{ label: '在岗', value: 'on_duty' }, { label: '离岗', value: 'off_duty' }] })]),
  define('staff_credential', '工作人员资质', 'writable', [relation('staff_account_identity', '/staff_account', true), f('credential_type', { required: true }), f('credential_no'), f('expired_at')]),
  define('user_account', '用户账户', 'writable', [f('username', { required: true }), f('password', { required: true }), f('name', { required: true }), f('phone'), f('avatar'), f('real_name')]),
  define('user_address', '用户地址', 'writable', [relation('user_account_identity', '/user_account', true), f('address', { required: true }), f('longitude'), f('latitude'), f('is_default')]),
  define('user_service_relation', '用户服务关系', 'writable', [relation('user_account_identity', '/user_account', true), relation('gas_basic_identity', '/gas_basic'), relation('delivery_basic_identity', '/delivery_basic'), relation('staff_account_identity', '/staff_account')]),

  define('product_type', '智能气阀类型', 'editable', [f('code', { required: true }), f('name', { required: true })]),
  define('product_warehouse', '智能气阀库房', 'editable', [f('code', { required: true }), f('name', { required: true }), f('address'), f('manager'), f('phone')]),
  define('product_info', '智能气阀', 'editable', [f('code', { required: true }), f('name', { required: true }), relation('product_type_identity', '/product_type', true), f('params', { required: true }), relation('warehouse_identity', '/product_warehouse'), relation('gas_basic_identity', '/gas_basic'), relation('delivery_basic_identity', '/delivery_basic'), relation('user_account_identity', '/user_account'), f('produced_at', { required: true })], 'list', [
    { name: '修改智能气阀状态', resource: '/product_info/:identity/lifecycle', method: 'PATCH', fields: [f('product_status', { required: true, type: 'select', options: [{ label: '待处理', value: 10 }, { label: '在库', value: 28 }, { label: '运输中', value: 29 }, { label: '使用中', value: 30 }, { label: '维修中', value: 31 }, { label: '已报废', value: 27 }] })] },
  ]),
  define('product_repair', '智能气阀检修记录', 'editable', [relation('product_info_identity', '/product_info', true), f('repair_no', { required: true }), f('repair_type', { required: true }), f('started_at', { required: true }), f('completed_at'), f('result', { type: 'select', options: [{ label: '待处理', value: 'pending' }, { label: '通过', value: 'passed' }, { label: '未通过', value: 'failed' }] }), f('target_product_status', { type: 'select', options: [{ label: '在库', value: 28 }, { label: '运输中', value: 29 }, { label: '使用中', value: 30 }, { label: '报废', value: 27 }] }), f('content'), f('operator'), f('remark')]),
  define('product_owner', '智能气阀归属记录', 'readonly', []),

  define('gasorder_contract', '配送合同', 'managed', [f('contract_no', { required: true }), relation('user_account_identity', '/user_account', true), relation('gas_basic_identity', '/gas_basic', true), relation('delivery_basic_identity', '/delivery_basic'), f('title', { required: true }), f('terms'), f('file_uri'), f('default_delivery_fee'), f('signed_at', { required: true }), f('effective_at', { required: true }), f('expired_at')], 'list', [
    { name: '启用合同', resource: '/gasorder_contract/:identity/activate', fields: reason },
    { name: '续签合同', resource: '/gasorder_contract/:identity/renew', fields: [f('effective_at', { required: true }), f('expired_at'), ...reason] },
    { name: '终止合同', resource: '/gasorder_contract/:identity/terminate', danger: true, fields: reason },
  ], { canCreate: true, canEdit: true }),
  define('gasorder_contract_product', '合同气瓶', 'append_only', [relation('gasorder_contract_identity', '/gasorder_contract', true), relation('product_info_identity', '/product_info', true), f('unit_price')], 'list', [
    { name: '解绑气瓶', resource: '/gasorder_contract_product/:identity/unbind', danger: true, fields: reason },
  ]),
  define('gasorder_contract_revision', '合同修订记录', 'readonly', []),
  define('gasorder_basic', '气体配送订单', 'append_only', [f('request_no', { required: true }), relation('gasorder_contract_identity', '/gasorder_contract', true), f('creator_type', { required: true, type: 'select', options: [{ label: '用户', value: 'user' }, { label: '工作人员', value: 'staff' }, { label: '配送站', value: 'delivery' }, { label: '气站', value: 'gas' }] }), f('creator_identity', { required: true }), relation('user_address_identity', '/user_address', true), f('gasorder_contract_product_identities', { required: true, type: 'identity-list', relation: '/gasorder_contract_product' }), f('contact_name', { required: true }), f('contact_phone', { required: true }), f('discount_amount'), f('remark')], 'list', [
    { name: '分配订单', resource: '/gasorder_basic/:identity/assign', fields: [relation('delivery_basic_identity', '/delivery_basic', true), relation('staff_account_identity', '/staff_account', true), ...reason] },
    { name: '开始罐装', resource: '/gasorder_basic/:identity/filling', fields: reason },
    { name: '待配送', resource: '/gasorder_basic/:identity/ready', fields: reason },
    { name: '开始配送', resource: '/gasorder_basic/:identity/delivering', fields: reason },
    { name: '等待签收', resource: '/gasorder_basic/:identity/awaiting-confirmation', fields: reason },
    { name: '完成订单', resource: '/gasorder_basic/:identity/complete', fields: [...reason, f('confirm_type', { required: true }), f('recipient_name', { required: true }), f('recipient_phone'), f('proof_uri'), f('remark')] },
    { name: '标记异常', resource: '/gasorder_basic/:identity/exception', fields: reason },
    { name: '恢复订单', resource: '/gasorder_basic/:identity/recover', fields: reason },
    { name: '取消订单', resource: '/gasorder_basic/:identity/cancel', danger: true, fields: reason },
  ]),
  define('gasorder_item', '订单明细', 'readonly', []),
  define('gasorder_assign', '分配记录', 'readonly', []),
  define('gasorder_status', '状态记录', 'readonly', []),
  define('gasorder_track', '运行轨迹', 'readonly', []),
  define('gasorder_track_point', '轨迹点', 'readonly', []),
  define('gasorder_confirm', '确认记录', 'readonly', []),
  define('gasorder_payment', '支付记录', 'readonly', []),

  define('ec_category', '商品分类', 'writable', [relation('parent_identity', '/ec_category'), f('name', { required: true }), f('sort_no')], 'tree'),
  define('ec_product', '商品', 'writable', [relation('ec_category_identity', '/ec_category', true), f('product_code', { required: true }), f('name', { required: true }), f('price_amount', { required: true }), f('stock_quantity')]),
  define('ec_product_attribute', '商品属性', 'writable', [relation('ec_product_identity', '/ec_product', true), f('name', { required: true }), f('value', { required: true }), f('sort_no')]),
  define('ec_product_image', '商品图片', 'writable', [relation('ec_product_identity', '/ec_product', true), f('image_uri', { required: true }), f('sort_no'), f('is_cover')]),
  define('ec_cart', '购物车', 'readonly', []),
  define('ec_order', '商城订单', 'readonly', []),
  define('ec_order_item', '商城订单明细', 'readonly', []),
  define('ec_review', '商品评价', 'readonly', []),

  define('wallet_basic', '钱包', 'readonly', [f('owner_type'), f('owner_identity'), f('alipay_id'), f('alipay_name'), f('wxpay_id'), f('wxpay_name'), f('balance'), f('withdrawal_balance')], 'list', [
    { name: '后台充值', resource: '/wallet_basic/:identity/recharge', fields: [f('request_no', { required: true }), f('amount', { required: true }), f('withdrawable'), ...reason, f('remark')] },
    { name: '修改钱包状态', resource: '/wallet_basic/:identity/status', method: 'PATCH', fields: [f('status', { required: true, type: 'select', options: [{ label: '启用', value: 1 }, { label: '停用', value: 2 }, { label: '冻结', value: 4 }] })] },
  ]),
  define('wallet_bank', '银行卡', 'readonly', []),
  define('wallet_payment', '钱包支付记录', 'readonly', []),
  define('wallet_record', '钱包流水', 'readonly', []),
  define('wallet_refund', '退款记录', 'readonly', []),
  define('wallet_apply_cash', '提现申请', 'readonly', [], 'list', [
    { name: '审核通过', resource: '/wallet_apply_cash/:identity/approve', fields: reason },
    { name: '审核驳回', resource: '/wallet_apply_cash/:identity/reject', danger: true, fields: reason },
  ]),

  define('fin_payment', '财务支付记录', 'readonly', []),
  define('fin_settlement', '财务结算', 'writable', [f('settlement_no', { required: true }), f('subject_type', { required: true }), f('subject_identity', { required: true }), f('period_start', { required: true }), f('period_end', { required: true })]),
  define('fin_reconciliation', '财务对账', 'readonly', []),
  define('cms_content', '内容', 'writable', [f('content_type', { required: true }), f('title', { required: true }), f('body', { required: true }), f('version_no'), f('publish_status')]),
  define('cs_ticket', '客服工单', 'writable', [relation('user_account_identity', '/user_account', true), f('ticket_no', { required: true }), f('category', { required: true }), f('priority', { required: true })]),
  define('platform_account', '平台账户', 'writable', [f('username', { required: true }), f('password', { required: true }), f('display_name'), f('avatar'), f('platform_role_code', { required: true }), f('phone')]),
  define('platform_role', '平台角色', 'writable', [f('role_code', { required: true }), f('name', { required: true }), f('location_scope', { required: true, type: 'select', options: [{ label: '脱敏坐标', value: 'standard' }, { label: '精确坐标', value: 'precise' }] })], 'list', [
    { name: '分配菜单', resource: '/platform_role/:identity/menu', method: 'PUT', fields: [f('menu_identities', { type: 'identity-list', relation: '/platform_menu' })] },
  ]),
  define('platform_menu', '平台菜单', 'readonly', [], 'tree'),
];

export const resourceByPath = Object.fromEntries(
  resources.map((definition) => [definition.resource, definition]),
) as Record<string, ResourceUiDefinition>;

export function getResource(resourcePath: string): ResourceUiDefinition {
  const definition = resourceByPath[resourcePath];
  if (!definition) throw new Error(`未知资源：${resourcePath}`);
  return definition;
}