import { z } from "zod/v4";
import { LIMITS } from "@/lib/limits";

const reasonValues = [
  "USER_CANCELLATION",
  "ORGANIZER_CANCELLED",
  "TRIP_ISSUE",
  "ADMIN_ADJUSTMENT",
  "DISPUTE_RESOLVED",
  "OTHER",
] as const;

const reporterValues = ["PARTICIPANT", "ORGANIZER"] as const;

const refundNote = z
  .string()
  .trim()
  .min(3, "Isi catatan minimal 3 karakter")
  .max(
    LIMITS.MAX_REFUND_NOTE_LENGTH,
    `Catatan maksimal ${LIMITS.MAX_REFUND_NOTE_LENGTH} karakter`
  );

export const createRefundSchema = z.object({
  bookingId: z.string().trim().min(1, "Booking ID wajib"),
  reason: z.enum(reasonValues, { error: "Alasan tidak valid" }),
  reportedBy: z.enum(reporterValues, { error: "Pelapor tidak valid" }),
  reportNote: refundNote,
  /** Kosong = full remaining. Angka positif (IDR) untuk partial. */
  amount: z
    .string()
    .trim()
    .optional()
    .transform((v) => (v && v.length > 0 ? Number(v.replace(/[^\d]/g, "")) : undefined))
    .refine(
      (n) => n === undefined || (Number.isInteger(n) && n > 0),
      "Nominal harus bilangan bulat positif"
    ),
});

export const refundDecisionSchema = z.object({
  refundId: z.string().trim().min(1, "Refund ID wajib"),
  decision: z.enum(["APPROVE", "REJECT", "SUCCEEDED", "FAILED"], {
    error: "Keputusan tidak valid",
  }),
  adminNote: z
    .string()
    .trim()
    .max(
      LIMITS.MAX_REFUND_NOTE_LENGTH,
      `Catatan maksimal ${LIMITS.MAX_REFUND_NOTE_LENGTH} karakter`
    )
    .optional(),
});

export type CreateRefundInput = z.infer<typeof createRefundSchema>;
export type RefundDecisionInput = z.infer<typeof refundDecisionSchema>;