export const DIMENSIONS = [
  "region",
  "city",
  "type",
  "model",
  "department",
  "status",
  "vehicleClass",
] as const;
export const GROUPS = [...DIMENSIONS, "none"] as const;
export const CATEGORIES = [
  "all",
  "inventory",
  "available",
  "awaiting",
  "operating",
  "pending",
  "abnormal",
] as const;
export type Dimension = (typeof DIMENSIONS)[number];
export type QueryPlan = {
  kind: "assets" | "flow" | "clarify";
  category: (typeof CATEGORIES)[number];
  groupBy: (typeof GROUPS)[number];
  secondaryGroupBy?: Dimension;
  view: "chart" | "table" | "list";
  analysis?: "distribution" | "compare" | "exceptions" | "briefing";
  filters: Partial<Record<Dimension, string[]>>;
  start?: string;
  end?: string;
  comparePrevious?: boolean;
  exception?: "overdue" | "dueSoon" | "missingDueDate";
  topN?: number;
  sortBy?: "count" | "rate" | "abnormal" | "pending";
  sortOrder?: "asc" | "desc";
  vehicleIds?: string[];
  responseMode?: "vehicle-status";
  excludeFilters?: Partial<Record<Dimension, string[]>>;
  clarification?: string;
};
export type AssistantAction =
  | { type: "explore"; interactionId: string; keys?: Partial<Record<Dimension, string>>; date?: string }
  | { type: "drill"; keys: Partial<Record<Dimension, string>> }
  | {
      type: "group";
      groupBy: QueryPlan["groupBy"];
      secondaryGroupBy?: Dimension;
    }
  | { type: "category"; category: QueryPlan["category"] }
  | { type: "analysis"; analysis: NonNullable<QueryPlan["analysis"]> }
  | { type: "view"; view: QueryPlan["view"] }
  | { type: "day"; date: string }
  | { type: "compare-period" }
  | { type: "exception"; exception: "overdue" }
  | { type: "restore" }
  | { type: "clear-filter"; dimension: Dimension }
  | { type: "reset-filters" }
  | {
      type: "sort";
      sortBy: "count" | "rate" | "abnormal" | "pending";
      sortOrder: "asc" | "desc";
      topN?: number;
    };
export type AssistantRequest = {
  message?: string;
  subject: string | null;
  sessionId?: string;
  baseResultId?: string;
  action?: AssistantAction;
};
export type AssistantRow = {
  id: string;
  plate: string;
  vehicleClass: string;
  type: string;
  model: string;
  region: string;
  city: string;
  department: string;
  status: string;
  inventory?: boolean;
  abnormal?: boolean;
  pending?: boolean;
  abnormalType?: string;
  targetCompletionTime?: string;
  actualCompletionTime?: string;
  date?: string;
  event?: string;
};
/** A model chooses a query and a renderer; values are always computed by the server. */
export type AnalysisDisplay = "metrics" | "chart" | "table" | "list";
export type PresentationBlock = {
  id: string;
  title?: string;
  kind: "summary" | "narrative" | "metrics" | "chart" | "table";
  text?: string;
  metrics?: string[];
  dataset?: "groups" | "rows" | "daily" | "comparison";
  chart?: "bar" | "donut" | "line";
  series?: { field: string; label: string }[];
  columns?: { field: string; label: string }[];
  interactionId?: string;
};
export type PresentationInteraction = {
  id: string;
  label: string;
  kind: "group" | "point" | "followup";
  plan: QueryPlan;
};
export type ResultPresentation = {
  title?: string;
  blocks: PresentationBlock[];
  interactions: PresentationInteraction[];
};
export type AnalysisQuery = {
  id: string;
  title: string;
  question: string;
  plan: QueryPlan;
  display: AnalysisDisplay;
};
export type AnalysisSection = Omit<AnalysisQuery, "plan"> & {
  result?: AssistantResult;
  error?: string;
};
export type AnalysisContext = {
  id: string;
  title: string;
  plan: QueryPlan;
  summary: string;
  metrics: AssistantResult["metrics"];
};
export type AssistantGroup = {
  name: string;
  count: number;
  operating: number;
  rate: number;
  keys?: Partial<Record<Dimension, string>>;
  abnormal?: number;
  pending?: number;
  share?: number;
};
export const GAP_REASONS = {
  unrecognized: "未识别需求",
  unsupported: "暂不支持",
  privacy: "输入未通过安全检查",
  generation: "生成失败",
  empty: "无匹配数据",
  unsatisfied: "用户标记未解决",
} as const;
export type GapReason = keyof typeof GAP_REASONS;
export const GAP_STATUSES = {
  open: "待评估",
  planned: "已纳入计划",
  resolved: "已解决",
  dismissed: "暂不处理",
} as const;
export type GapStatus = keyof typeof GAP_STATUSES;
export type DemandGap = {
  id: number;
  demand: string;
  reason: GapReason;
  status: GapStatus;
  occurrences: number;
  firstSeen: string;
  lastSeen: string;
};
export type AssistantResult = {
  plan: QueryPlan;
  presentation?: ResultPresentation;
  presentationStatus?: "generated" | "fallback";
  presentationWarning?: string;
  layout?: "tabs" | "stack";
  sections?: AnalysisSection[];
  /** Aggregated context only: no vehicle rows are needed to refer across analyses. */
  analyses?: AnalysisContext[];
  answerKind?: "analysis" | "clarification" | "help";
  engine?: "deepseek" | "local";
  suggestions?: string[];
  interpretation?: string;
  contextNote?: string;
  scope?: {
    company: string;
    permission: string;
    filters: string[];
    grouping: string;
    period: string;
    definitions: string[];
    sourceUpdatedAt: string | null;
  };
  unanswered?: { question: string; reason: string }[];
  correction?: { resultId?: string; message: string };
  outcome?: "complete" | "partial" | "empty" | "unsupported" | "clarification" | "help";
  inventoryBreakdown?: { title: string; summary: string; groups: AssistantGroup[] };
  title: string;
  summary: string;
  source: string;
  fetchedAt: string;
  sessionId?: string;
  resultId?: string;
  breadcrumbs?: { resultId: string; label: string }[];
  groups: AssistantGroup[];
  rows: AssistantRow[];
  metrics: { label: string; value: number; unit: string }[];
  insights?: string[];
  exceptions?: {
    label: string;
    count: number;
    category?: QueryPlan["category"];
  }[];
  comparison?: {
    label: string;
    current: number;
    previous: number;
    delta: number;
    rate: number | null;
  }[];
  groupComparison?: {
    baseline: string;
    rows: {
      name: string;
      count: number;
      delta: number;
      share: number;
      rateDelta: number;
    }[];
  };
  comparisonPeriod?: { start: string; end: string };
  daily?: {
    date: string;
    delivered: number;
    returned: number;
    replaced: number;
    total: number;
  }[];
  warning?: string;
  gap?: { recorded: boolean; reason: GapReason; demand: string };
};
export type AssistantEvent =
  | { type: "step"; label: string }
  | { type: "answer"; text: string }
  | { type: "result"; result: AssistantResult }
  | { type: "error"; message: string };
export const GROUP_LABELS: Record<QueryPlan["groupBy"], string> = {
  region: "区域",
  city: "城市",
  type: "车型",
  model: "型号",
  department: "部门",
  status: "运营状态",
  vehicleClass: "车型细分",
  none: "全部",
};
export const CATEGORY_LABELS: Record<QueryPlan["category"], string> = {
  all: "全部资产",
  inventory: "库存车辆",
  available: "可运营库存",
  awaiting: "待运营库存",
  operating: "运营车辆",
  pending: "待交车车辆",
  abnormal: "异动车辆",
};