/** 前端类型定义 — 与 PRD / API 契约一致 */

export type QuotePageStatus =
  | "idle"
  | "resolving_address"
  | "validating"
  | "processing"
  | "success"
  | "fallback"
  | "error"
  | "expired";

export type DataPageStatus = "loading" | "success" | "empty" | "error";

export type ServiceLevel = "standard" | "guaranteed";
export type RateOption = "lowest" | "fastest" | "bestValue";
export type UnitWeight = "lb" | "kg";
export type UnitDim = "in" | "cm";
export type DisplayUnit = "imperial" | "metric";

export type CargoType =
  | "general_freight"
  | "machinery"
  | "furniture"
  | "electronics"
  | "building_materials"
  | "auto_parts"
  | "food_nonperishable"
  | "apparel"
  | "other";

export interface AddressInput {
  street: string;
  city: string;
  state: string;
  zip: string;
  place_id: string;
  formatted_address: string;
  selected_from_suggestions: boolean;
  mothership_option_id?: string;
  mothership_display_label?: string;
  selected_from_mothership?: boolean;
}

export interface MothershipAddressCandidate {
  option_id: string;
  display_label: string;
  formatted_address: string;
  street: string;
  city: string;
  state: string;
  zip: string;
  selectable?: boolean;
  unavailable_reason?: string;
}

export interface MothershipCandidatesResult {
  pickup_candidates: MothershipAddressCandidate[];
  delivery_candidates: MothershipAddressCandidate[];
  requires_selection: boolean;
  quote_session_id?: string;
}

export interface QuoteRequestBody {
  request_id: string;
  customer_id: string;
  pickup_address: AddressInput;
  delivery_address: AddressInput;
  weight: { value: number; unit: UnitWeight };
  dimensions: {
    length: number;
    width: number;
    height: number;
    unit: UnitDim;
  };
  pallet_count: number;
  cargo_type: CargoType;
  service_level?: ServiceLevel;
  rate_option?: RateOption;
  display_unit?: DisplayUnit;
  quote_session_id?: string;
}

export type QuoteStatus = "processing" | "done" | "failed" | "expired";
export type SourceType = "rpa" | "cache" | "stale";

export interface QuoteItem {
  service_level: ServiceLevel;
  rate_option: RateOption;
  carrier: string;
  transit_days: string;
  transit_description: string;
  raw_freight: number;
  surcharges: number;
  raw_total: number;
  markup_percent: number;
  markup_amount: number;
  final_total: number;
  breakdown: Array<{ item: string; amount: number }>;
}

export interface QuoteDetail {
  quote_id: string;
  request_id: string;
  status: QuoteStatus;
  valid_until?: string | null;
  source_type?: SourceType | null;
  is_realtime?: boolean;
  confidence_score?: number | null;
  currency: string;
  quotes?: QuoteItem[];
  error_code?: string | null;
  error_message?: string | null;
}

export interface CreateQuoteResult {
  quote_id: string;
  status: "processing" | "done";
}

export type MarkupType = "percent" | "fixed";

export interface MarkupConfig {
  customer_id: string;
  markup_type: MarkupType;
  markup_percent: number;
  markup_fixed_amount: number | null;
  operator_id: string;
  remark: string | null;
  updated_at: string;
}

export type AlertType =
  | "PRICE_DEVIATION"
  | "STALE_FALLBACK"
  | "RPA_FAILED"
  | "RPA_CAPTCHA"
  | "STRUCT_CHANGE"
  | "SESSION_EXPIRED"
  | "SECURITY"
  | "MANUAL_FALLBACK";

export interface AlertRecord {
  id: string;
  alert_type: AlertType;
  quote_id: string | null;
  cargo_hash: string | null;
  detail_json: Record<string, unknown> | null;
  status: "open" | "resolved";
  resolver_id: string | null;
  resolved_at: string | null;
  created_at: string;
}

export type ErrorCode =
  | "VALIDATION_FAILED"
  | "UNAUTHORIZED"
  | "FORBIDDEN"
  | "QUOTE_NOT_FOUND"
  | "RATE_LIMITED"
  | "QUOTE_UNAVAILABLE"
  | "QUOTE_TIMEOUT"
  | "INTERNAL_ERROR";

export interface ApiOk<T> {
  code: 0;
  message: string;
  data: T;
}

export interface ApiErr {
  code: ErrorCode | string;
  message: string;
  data: null;
}

export type ApiResponse<T> = ApiOk<T> | ApiErr;

export interface AdminUser {
  user_id: string;
  role: "admin";
}

export interface LoginResponse {
  token: string;
  user: AdminUser;
}

export interface PaginatedResult<T> {
  list: T[];
  total: number;
  page: number;
  size: number;
}

export interface MetricsDashboard {
  api_success_rate: number;
  rpa_success_rate: number;
  realtime_rate: number;
  cache_hit_rate: number;
  p95_latency_ms: number;
  queue_depth: number;
  open_alerts_count: number;
}

export interface RpaStatus {
  workers: Array<{
    worker_id: string;
    last_seen_ms: number | null;
    paused_seconds: number;
    online: boolean;
  }>;
  queue_depth: number;
  circuit_open: boolean;
  success_rate_24h: number;
}

export interface QueueStats {
  queue_name: string;
  waiting: number;
  active: number;
  delayed: number;
  failed: number;
  completed: number;
  depth: number;
}