import { z } from "zod";
import { Id, JsonObject, Timestamp } from "./common.ts";

// Independent reference shape avoids settings → instances → settings import cycles.
const SourceRef = z.object({
  root: z.string().regex(/^(lib:[0-9a-f-]{36}|dl:[0-9a-f-]{36}:\d{1,3})$/i),
  path: z
    .string()
    .max(4096)
    .refine((p) => !p.startsWith("/") && !p.includes("\0") && !p.split("/").some((s) => s === ".." || s === ".")),
});
export const OrganizeSourceSnapshotRow = z.object({
  sourceId: Id,
  snapshot: JsonObject,
  baselineAt: Timestamp.nullable(),
  lastScanAt: Timestamp.nullable(),
  lastError: z.string().nullable(),
});
export type OrganizeSourceSnapshotRow = z.infer<typeof OrganizeSourceSnapshotRow>;

export const OrganizeSourceInput = z.object({
  name: z.string().trim().min(1).max(100),
  enabled: z.boolean(),
  source: SourceRef,
  target: SourceRef.refine((v) => v.root.startsWith("lib:"), { message: "目标必须为媒体库" }),
  mediaType: z.enum(["all", "movie", "tv"]),
  category: z
    .string()
    .trim()
    .min(1)
    .max(100)
    .refine(
      (s) => !/[\\/<>:"|?*]/.test(s) && !Array.from(s).some((ch) => ch.charCodeAt(0) < 32) && s !== "." && s !== "..",
    )
    .nullable(),
  action: z.enum(["copy", "move"]),
  trigger: z.enum(["manual", "qb_tag", "snapshot"]),
  downloaderInstanceId: Id.nullable(),
  tag: z.string().trim().min(1).max(100).nullable(),
  intervalSec: z.number().int().min(60).max(86400),
});
export type OrganizeSourceInput = z.infer<typeof OrganizeSourceInput>;
export const OrganizeSourceConfig = OrganizeSourceInput.extend({ id: Id });
export type OrganizeSourceConfig = z.infer<typeof OrganizeSourceConfig>;
export const OrganizeSourceView = OrganizeSourceConfig.extend({
  baselineAt: Timestamp.nullable(),
  lastScanAt: Timestamp.nullable(),
  lastError: z.string().nullable(),
  fileCount: z.number().int().nonnegative(),
});
export type OrganizeSourceView = z.infer<typeof OrganizeSourceView>;
export const OrganizeSourceList = z.object({ items: z.array(OrganizeSourceView) });
export const OrganizeStockInput = z.object({ path: SourceRef.shape.path.optional() });
export const OrganizeStockResult = z.object({
  items: z.array(SourceRef),
  skipped: z.number().int().nonnegative(),
  unavailable: z.number().int().nonnegative(),
  truncated: z.boolean(),
});
export type OrganizeStockResult = z.infer<typeof OrganizeStockResult>;