export type Numeric = string | number | null;
export type Metric =
  | "revenue"
  | "cost"
  | "gross"
  | "roi"
  | "customers"
  | "basket"
  | "margin"
  | "discount_rate"
  | "self_revenue"
  | "upgrade_rate"
  | "list_basket";
export const labels: Record<Metric, string> = {
  revenue: "实际收入",
  cost: "成本",
  gross: "毛利贡献",
  roi: "ROI",
  customers: "消费人数",
  basket: "客单价",
  margin: "毛利率",
  discount_rate: "产品扣率",
  self_revenue: "自营收入",
  upgrade_rate: "升单率",
  list_basket: "原价客单价",
};
export interface Column {
  index: number;
  name: string;
  description: string;
  role: string;
  key: string;
  confidence: number;
}
export interface Mapping {
  sheet: string;
  header: number;
  columns: Column[];
  margin_rates: Record<string, number>;
  self_operated_products?: string[];
  roi_formula: string;
  description: string;
}
export interface Preferences {
  entry: "overview" | "anomalies";
  comparison: "yoy" | "mom";
  hierarchy: string[];
  metric: Metric;
  threshold: number;
  min_impact: number;
  min_samples: number;
  show_heatmap: boolean;
  show_queue: boolean;
  show_copilot: boolean;
  alerts: boolean;
}
export interface Dataset {
  id: string;
  name: string;
  status: string;
  version: string;
  row_count: number | null;
  periods: string[];
  error: string;
  quality: Record<string, number>;
  dimensions: { key: string; name: string; description: string }[];
  profile?: {
    sheets: {
      name: string;
      rows: number;
      columns: number;
      preview: string[][];
    }[];
  };
  mapping: Mapping;
  preferences: Preferences;
  revision: number;
}
export interface Context {
  start: string;
  end: string;
  comparison: string;
  baseline_end?: string;
  filters: Record<string, string>;
  group: string;
  metric: Metric;
}
export interface Value {
  current: Numeric;
  baseline: Numeric;
  delta: Numeric;
  change: Numeric;
}
export interface Row {
  label: string;
  values: Record<Metric, Value>;
  rows: number;
  baseline_rows: number;
  anomaly: boolean;
  impact: Numeric;
  contribution: Numeric;
  filters: Record<string, string>;
}
export interface Analysis {
  context: Context & {
    missing: string[];
    current: string[];
    baseline: string[];
  };
  summary: Record<string, Value>;
  rows: Row[];
  trend: ({ period: string } & Record<string, Numeric>)[];
  row_count: number;
  anomaly_count: number;
  comparable: boolean;
  notice: string;
  version: string;
}
export interface AIConfig {
  enabled: boolean;
  provider: "openai" | "local";
  base_url: string;
  model: string;
  api_key_set: boolean;
  updated_at: string | null;
}
export interface Session {
  csrf: string;
  user: {
    id: number;
    name: string;
    role: string;
    organization: string;
    departments: string[];
  } | null;
  ai_enabled: boolean;
}
export const format = (v: Numeric | undefined, metric?: string) =>
  v == null
    ? "不可用"
    : [
          "roi",
          "margin",
          "discount_rate",
          "upgrade_rate",
          "change",
          "contribution",
        ].includes(metric || "")
      ? `${(Number(v) * 100).toFixed(1)}%`
      : Number(v).toLocaleString("zh-CN", { maximumFractionDigits: 2 });