// test/factories/shift.factory.ts
export type ShiftPayload = {
  timesheet_id: number;
  bank_code_id: number;
  date: string;        // ISO date (jour)
  start_time: string;  // ISO datetime (heure)
  end_time: string;    // ISO datetime (heure)
  description: string; // requis par le DTO
};

const randInt = (min: number, max: number) =>
  Math.floor(Math.random() * (max - min + 1)) + min;

const isoDate = (y: number, m: number, d: number) =>
  new Date(Date.UTC(y, m - 1, d, 0, 0, 0)).toISOString();

const isoTime = (h: number, m = 0) =>
  new Date(Date.UTC(1970, 0, 1, h, m, 0)).toISOString();

export function makeShift(
  tsId: number,
  bcId: number,
  overrides: Partial<ShiftPayload> = {}
): ShiftPayload {
  // 8h pile pour ne pas dépasser DAILY_LIMIT_HOURS (8 par défaut)
  const startH = 8;
  const endH = 16;

  return {
    timesheet_id: tsId,
    bank_code_id: bcId,
    date: isoDate(2024, 5, randInt(1, 28)),
    start_time: isoTime(startH),
    end_time: isoTime(endH),
    description: `Shift ${randInt(100, 999)}`,
    ...overrides,
  };
}

// payload invalide pour 400 via ValidationPipe
export function makeInvalidShift(): Record<string, unknown> {
  return { timesheet_id: 'nope' }; // types volontairement faux
}