import { z } from "zod";

export const melodyStatusSchema = z.enum(["DRAFT", "PUBLISHED", "ARCHIVED"]);
const audioPath = z.string().trim().regex(/^\/api\/uploads\/audios\/[^/]+$/, "Use an uploaded audio path.");
const imagePath = z.string().trim().regex(/^\/api\/uploads\/images\/[^/]+$/, "Use an uploaded image path.");

export const melodySchema = z.object({
  slug: z
    .string()
    .trim()
    .min(1, "Slug is required.")
    .max(100, "Slug must be 100 characters or fewer.")
    .regex(/^[a-z0-9]+(?:-[a-z0-9]+)*$/, "Use lowercase letters, numbers, and hyphens only."),
  titleAr: z.string().trim().min(1, "Arabic title is required.").max(160),
  titleEn: z.string().trim().min(1, "English title is required.").max(160),
  descAr: z.string().trim().max(4000).optional(),
  descEn: z.string().trim().max(4000).optional(),
  audioFile: audioPath,
  coverImage: z.union([z.literal(""), imagePath]).optional(),
  durationSec: z.number().int().min(0).max(86400).nullable(),
  isDownloadable: z.boolean(),
  status: melodyStatusSchema,
  isFeatured: z.boolean(),
  sortOrder: z.number().int().min(0).max(9999),
  categoryId: z.string().cuid("Choose a valid melody category."),
});

export const melodyIdSchema = z.string().cuid("Invalid melody id.");
export type MelodyInput = z.infer<typeof melodySchema>;