import type { $ZodStringFormats } from "../core/checks.js";
import type * as errors from "../core/errors.js";
import * as util from "../core/util.js";

const error: () => errors.$ZodErrorMap = () => {
  const Sizable: Record<string, { unit: string; verb: string }> = {
    string: { unit: "aksara", verb: "mempunyai" },
    file: { unit: "bait", verb: "mempunyai" },
    array: { unit: "elemen", verb: "mempunyai" },
    set: { unit: "elemen", verb: "mempunyai" },
  };

  function getSizing(origin: string): { unit: string; verb: string } | null {
    return Sizable[origin] ?? null;
  }

  const parsedType = (data: any): string => {
    const t = typeof data;

    switch (t) {
      case "number": {
        return Number.isNaN(data) ? "NaN" : "nombor";
      }
      case "object": {
        if (Array.isArray(data)) {
          return "array";
        }
        if (data === null) {
          return "null";
        }

        if (Object.getPrototypeOf(data) !== Object.prototype && data.constructor) {
          return data.constructor.name;
        }
      }
    }
    return t;
  };

  const Nouns: {
    [k in $ZodStringFormats | (string & {})]?: string;
  } = {
    regex: "input",
    email: "alamat e-mel",
    url: "URL",
    emoji: "emoji",
    uuid: "UUID",
    uuidv4: "UUIDv4",
    uuidv6: "UUIDv6",
    nanoid: "nanoid",
    guid: "GUID",
    cuid: "cuid",
    cuid2: "cuid2",
    ulid: "ULID",
    xid: "XID",
    ksuid: "KSUID",
    datetime: "tarikh masa ISO",
    date: "tarikh ISO",
    time: "masa ISO",
    duration: "tempoh ISO",
    ipv4: "alamat IPv4",
    ipv6: "alamat IPv6",
    cidrv4: "julat IPv4",
    cidrv6: "julat IPv6",
    base64: "string dikodkan base64",
    base64url: "string dikodkan base64url",
    json_string: "string JSON",
    e164: "nombor E.164",
    jwt: "JWT",
    template_literal: "input",
  };

  return (issue) => {
    switch (issue.code) {
      case "invalid_type":
        return `Input tidak sah: dijangka ${issue.expected}, diterima ${parsedType(issue.input)}`;
      case "invalid_value":
        if (issue.values.length === 1) return `Input tidak sah: dijangka ${util.stringifyPrimitive(issue.values[0])}`;
        return `Pilihan tidak sah: dijangka salah satu daripada ${util.joinValues(issue.values, "|")}`;
      case "too_big": {
        const adj = issue.inclusive ? "<=" : "<";
        const sizing = getSizing(issue.origin);
        if (sizing)
          return `Terlalu besar: dijangka ${issue.origin ?? "nilai"} ${sizing.verb} ${adj}${issue.maximum.toString()} ${sizing.unit ?? "elemen"}`;
        return `Terlalu besar: dijangka ${issue.origin ?? "nilai"} adalah ${adj}${issue.maximum.toString()}`;
      }
      case "too_small": {
        const adj = issue.inclusive ? ">=" : ">";
        const sizing = getSizing(issue.origin);
        if (sizing) {
          return `Terlalu kecil: dijangka ${issue.origin} ${sizing.verb} ${adj}${issue.minimum.toString()} ${sizing.unit}`;
        }

        return `Terlalu kecil: dijangka ${issue.origin} adalah ${adj}${issue.minimum.toString()}`;
      }
      case "invalid_format": {
        const _issue = issue as errors.$ZodStringFormatIssues;
        if (_issue.format === "starts_with") return `String tidak sah: mesti bermula dengan "${_issue.prefix}"`;
        if (_issue.format === "ends_with") return `String tidak sah: mesti berakhir dengan "${_issue.suffix}"`;
        if (_issue.format === "includes") return `String tidak sah: mesti mengandungi "${_issue.includes}"`;
        if (_issue.format === "regex") return `String tidak sah: mesti sepadan dengan corak ${_issue.pattern}`;
        return `${Nouns[_issue.format] ?? issue.format} tidak sah`;
      }
      case "not_multiple_of":
        return `Nombor tidak sah: perlu gandaan ${issue.divisor}`;
      case "unrecognized_keys":
        return `Kunci tidak dikenali: ${util.joinValues(issue.keys, ", ")}`;
      case "invalid_key":
        return `Kunci tidak sah dalam ${issue.origin}`;
      case "invalid_union":
        return "Input tidak sah";
      case "invalid_element":
        return `Nilai tidak sah dalam ${issue.origin}`;
      default:
        return `Input tidak sah`;
    }
  };
};

export default function (): { localeError: errors.$ZodErrorMap } {
  return {
    localeError: error(),
  };
}