export interface Payor {
  id?: string;
  name: string;
  username: string;
  email: string;
}

export interface Payee {
  type: "merchant" | "person" | "transfer" | "other";
  name: string;
}

export interface Account {
  id: string;
  name: string;
  number: string;
  type: "cash" | "bank" | "credit_card" | "wallet" | "other";
  currency: string;
  is_active?: boolean;
}

export interface Tag {
  id: string;
  name: string;
  icon: string;
  parent_id?: string | null;
}

export interface Transaction {
  id: string;
  payor: Payor;
  payee: Payee;
  amount: number;
  account: Account;
  tags: Tag[];
  occurred_at: string;
  created_at: string;
}

// -----------------------------
// Metrics
// -----------------------------

export interface ReportMetric {
  sum: number;
  count: number;
  average: number;
  transactions?: Transaction[];
}

// -----------------------------
// Period
// -----------------------------

export type PeriodType = "daily" | "weekly" | "monthly" | "all";

export interface ReportPeriod {
  start: string;
  end: string;
  metric: ReportMetric;
}

// -----------------------------
// Group (bucket)
// -----------------------------

export type GroupKey = {
  [dimension: string]: string[];
};

export interface ReportBucket {
  group_key: GroupKey;

  periods: {
    daily?: ReportPeriod[];
    weekly?: ReportPeriod[];
    monthly?: ReportPeriod[];
    all?: ReportPeriod[];
  };
}

// -----------------------------
// Report Query
// -----------------------------

export interface ReportQuery {
  accounts?: string[] | null;
  ignore_self?: boolean | null;
  start_date?: string | null;
  end_date?: string | null;
  min_amount?: number | null;
  max_amount?: number | null;
}

// -----------------------------
// Final Report
// -----------------------------

export interface ReportData {
  snapshot_id?: string | null;

  flow?: "inflows" | "outflows" | null;

  periods: PeriodType[];

  tags?: string[] | null;
  payee?: string[] | null;

  buckets: ReportBucket[];

  query: ReportQuery;
}