import { expect } from "@std/expect";
import { describe, it as test } from "@std/testing/bdd";
import { KIND } from "#accounting/kinds.ts";
import { listingMoneyTotals } from "#accounting/listing-money-totals.ts";
import {
  MANUAL_LISTING_COST,
  MANUAL_LISTING_INCOME,
} from "#accounting/manual-entries.ts";
import type { LedgerRange } from "#accounting/range.ts";
import { postTransfers } from "#accounting/store.ts";
import { account } from "#shared/ledger/account.ts";
import { tx, useTransactionalDb } from "#test-utils/ledger.ts";

const world = account("external", "world");
const writeoff = account("writeoff", "default");
const june: LedgerRange = {
  endMs: new Date("2026-07-01T00:00:00.000Z").getTime(),
  startMs: new Date("2026-06-01T00:00:00.000Z").getTime(),
};

describe("listingMoneyTotals", () => {
  useTransactionalDb();

  test("returns zero totals for no listing ids", async () => {
    expect(await listingMoneyTotals(june, [])).toEqual({
      externalCosts: 0,
      externalIncome: 0,
      grossSales: 0,
      manualAdjustments: 0,
      netBalance: 0,
      recognisedIncome: 0,
      refunds: 0,
      servicingCosts: 0,
      transferCount: 0,
    });
  });

  test("combines only the selected listings and date range", async () => {
    await postTransfers([
      tx({
        amount: 1000,
        destination: account("revenue", 1),
        kind: KIND.sale,
        occurredAt: "2026-06-05T00:00:00.000Z",
        reference: "one-sale",
      }),
      tx({
        amount: 300,
        destination: account("revenue", 2),
        kind: MANUAL_LISTING_INCOME,
        occurredAt: "2026-06-06T00:00:00.000Z",
        reference: "two-income",
        source: world,
      }),
      tx({
        amount: 200,
        destination: account("revenue", 1),
        kind: KIND.adjustment,
        occurredAt: "2026-06-07T00:00:00.000Z",
        reference: "one-write-up",
        source: writeoff,
      }),
      tx({
        amount: 100,
        destination: writeoff,
        kind: KIND.adjustment,
        occurredAt: "2026-06-08T00:00:00.000Z",
        reference: "two-write-down",
        source: account("revenue", 2),
      }),
      tx({
        amount: 400,
        destination: world,
        kind: KIND.serviceCost,
        occurredAt: "2026-06-09T00:00:00.000Z",
        reference: "one-cost",
        source: account("cost", 1),
      }),
      tx({
        amount: 250,
        destination: account("attendee", 1),
        kind: KIND.refundSale,
        occurredAt: "2026-06-09T12:00:00.000Z",
        reference: "one-refund",
        source: account("revenue", 1),
      }),
      tx({
        amount: 150,
        destination: world,
        kind: MANUAL_LISTING_COST,
        occurredAt: "2026-06-09T13:00:00.000Z",
        reference: "two-external-cost",
        source: account("revenue", 2),
      }),
      tx({
        amount: 50,
        destination: account("cost", 2),
        kind: KIND.serviceCost,
        occurredAt: "2026-06-10T00:00:00.000Z",
        reference: "two-cost-reduction",
        source: world,
      }),
      tx({
        amount: 60,
        destination: account("revenue", 2),
        kind: KIND.adjustment,
        occurredAt: "2026-06-10T01:00:00.000Z",
        reference: "selected-revenue-transfer",
        source: account("revenue", 1),
      }),
      tx({
        amount: 70,
        destination: account("cost", 2),
        kind: KIND.serviceCost,
        occurredAt: "2026-06-10T02:00:00.000Z",
        reference: "selected-cost-transfer",
        source: account("cost", 1),
      }),
      tx({
        amount: 5000,
        destination: account("revenue", 1),
        kind: KIND.sale,
        occurredAt: "2026-07-05T00:00:00.000Z",
        reference: "later-sale",
      }),
      tx({
        amount: 700,
        destination: world,
        kind: KIND.serviceCost,
        occurredAt: "2026-06-11T00:00:00.000Z",
        reference: "other-cost",
        source: account("cost", 3),
      }),
    ]);

    // Transfers between two selected accounts cancel from their combined
    // balance/cost, but each is still one matching transfer.
    expect(await listingMoneyTotals(june, [1, 2])).toEqual({
      externalCosts: 150,
      externalIncome: 300,
      grossSales: 1000,
      manualAdjustments: 100,
      netBalance: 1000,
      recognisedIncome: 1400,
      refunds: 250,
      servicingCosts: 350,
      transferCount: 10,
    });
  });
});