import { V as VFileMessage } from "./vfile-message.mjs";
import process from "node:process";
import path from "node:path";
import { fileURLToPath } from "node:url";
function isUrl(fileUrlOrPath) {
  return Boolean(
    fileUrlOrPath !== null && typeof fileUrlOrPath === "object" && "href" in fileUrlOrPath && fileUrlOrPath.href && "protocol" in fileUrlOrPath && fileUrlOrPath.protocol && // @ts-expect-error: indexing is fine.
    fileUrlOrPath.auth === void 0
  );
}
const order = (
  /** @type {const} */
  [
    "history",
    "path",
    "basename",
    "stem",
    "extname",
    "dirname"
  ]
);
class VFile {
  /**
   * Create a new virtual file.
   *
   * `options` is treated as:
   *
   * *   `string` or `Uint8Array` — `{value: options}`
   * *   `URL` — `{path: options}`
   * *   `VFile` — shallow copies its data over to the new file
   * *   `object` — all fields are shallow copied over to the new file
   *
   * Path related fields are set in the following order (least specific to
   * most specific): `history`, `path`, `basename`, `stem`, `extname`,
   * `dirname`.
   *
   * You cannot set `dirname` or `extname` without setting either `history`,
   * `path`, `basename`, or `stem` too.
   *
   * @param {Compatible | null | undefined} [value]
   *   File value.
   * @returns
   *   New instance.
   */
  constructor(value) {
    let options;
    if (!value) {
      options = {};
    } else if (isUrl(value)) {
      options = { path: value };
    } else if (typeof value === "string" || isUint8Array(value)) {
      options = { value };
    } else {
      options = value;
    }
    this.cwd = "cwd" in options ? "" : process.cwd();
    this.data = {};
    this.history = [];
    this.messages = [];
    this.value;
    this.map;
    this.result;
    this.stored;
    let index = -1;
    while (++index < order.length) {
      const field2 = order[index];
      if (field2 in options && options[field2] !== void 0 && options[field2] !== null) {
        this[field2] = field2 === "history" ? [...options[field2]] : options[field2];
      }
    }
    let field;
    for (field in options) {
      if (!order.includes(field)) {
        this[field] = options[field];
      }
    }
  }
  /**
   * Get the basename (including extname) (example: `'index.min.js'`).
   *
   * @returns {string | undefined}
   *   Basename.
   */
  get basename() {
    return typeof this.path === "string" ? path.basename(this.path) : void 0;
  }
  /**
   * Set basename (including extname) (`'index.min.js'`).
   *
   * Cannot contain path separators (`'/'` on unix, macOS, and browsers, `'\'`
   * on windows).
   * Cannot be nullified (use `file.path = file.dirname` instead).
   *
   * @param {string} basename
   *   Basename.
   * @returns {undefined}
   *   Nothing.
   */
  set basename(basename) {
    assertNonEmpty(basename, "basename");
    assertPart(basename, "basename");
    this.path = path.join(this.dirname || "", basename);
  }
  /**
   * Get the parent path (example: `'~'`).
   *
   * @returns {string | undefined}
   *   Dirname.
   */
  get dirname() {
    return typeof this.path === "string" ? path.dirname(this.path) : void 0;
  }
  /**
   * Set the parent path (example: `'~'`).
   *
   * Cannot be set if there’s no `path` yet.
   *
   * @param {string | undefined} dirname
   *   Dirname.
   * @returns {undefined}
   *   Nothing.
   */
  set dirname(dirname) {
    assertPath(this.basename, "dirname");
    this.path = path.join(dirname || "", this.basename);
  }
  /**
   * Get the extname (including dot) (example: `'.js'`).
   *
   * @returns {string | undefined}
   *   Extname.
   */
  get extname() {
    return typeof this.path === "string" ? path.extname(this.path) : void 0;
  }
  /**
   * Set the extname (including dot) (example: `'.js'`).
   *
   * Cannot contain path separators (`'/'` on unix, macOS, and browsers, `'\'`
   * on windows).
   * Cannot be set if there’s no `path` yet.
   *
   * @param {string | undefined} extname
   *   Extname.
   * @returns {undefined}
   *   Nothing.
   */
  set extname(extname) {
    assertPart(extname, "extname");
    assertPath(this.dirname, "extname");
    if (extname) {
      if (extname.codePointAt(0) !== 46) {
        throw new Error("`extname` must start with `.`");
      }
      if (extname.includes(".", 1)) {
        throw new Error("`extname` cannot contain multiple dots");
      }
    }
    this.path = path.join(this.dirname, this.stem + (extname || ""));
  }
  /**
   * Get the full path (example: `'~/index.min.js'`).
   *
   * @returns {string}
   *   Path.
   */
  get path() {
    return this.history[this.history.length - 1];
  }
  /**
   * Set the full path (example: `'~/index.min.js'`).
   *
   * Cannot be nullified.
   * You can set a file URL (a `URL` object with a `file:` protocol) which will
   * be turned into a path with `url.fileURLToPath`.
   *
   * @param {URL | string} path
   *   Path.
   * @returns {undefined}
   *   Nothing.
   */
  set path(path2) {
    if (isUrl(path2)) {
      path2 = fileURLToPath(path2);
    }
    assertNonEmpty(path2, "path");
    if (this.path !== path2) {
      this.history.push(path2);
    }
  }
  /**
   * Get the stem (basename w/o extname) (example: `'index.min'`).
   *
   * @returns {string | undefined}
   *   Stem.
   */
  get stem() {
    return typeof this.path === "string" ? path.basename(this.path, this.extname) : void 0;
  }
  /**
   * Set the stem (basename w/o extname) (example: `'index.min'`).
   *
   * Cannot contain path separators (`'/'` on unix, macOS, and browsers, `'\'`
   * on windows).
   * Cannot be nullified (use `file.path = file.dirname` instead).
   *
   * @param {string} stem
   *   Stem.
   * @returns {undefined}
   *   Nothing.
   */
  set stem(stem) {
    assertNonEmpty(stem, "stem");
    assertPart(stem, "stem");
    this.path = path.join(this.dirname || "", stem + (this.extname || ""));
  }
  // Normal prototypal methods.
  /**
   * Create a fatal message for `reason` associated with the file.
   *
   * The `fatal` field of the message is set to `true` (error; file not usable)
   * and the `file` field is set to the current file path.
   * The message is added to the `messages` field on `file`.
   *
   * > 🪦 **Note**: also has obsolete signatures.
   *
   * @overload
   * @param {string} reason
   * @param {MessageOptions | null | undefined} [options]
   * @returns {never}
   *
   * @overload
   * @param {string} reason
   * @param {Node | NodeLike | null | undefined} parent
   * @param {string | null | undefined} [origin]
   * @returns {never}
   *
   * @overload
   * @param {string} reason
   * @param {Point | Position | null | undefined} place
   * @param {string | null | undefined} [origin]
   * @returns {never}
   *
   * @overload
   * @param {string} reason
   * @param {string | null | undefined} [origin]
   * @returns {never}
   *
   * @overload
   * @param {Error | VFileMessage} cause
   * @param {Node | NodeLike | null | undefined} parent
   * @param {string | null | undefined} [origin]
   * @returns {never}
   *
   * @overload
   * @param {Error | VFileMessage} cause
   * @param {Point | Position | null | undefined} place
   * @param {string | null | undefined} [origin]
   * @returns {never}
   *
   * @overload
   * @param {Error | VFileMessage} cause
   * @param {string | null | undefined} [origin]
   * @returns {never}
   *
   * @param {Error | VFileMessage | string} causeOrReason
   *   Reason for message, should use markdown.
   * @param {Node | NodeLike | MessageOptions | Point | Position | string | null | undefined} [optionsOrParentOrPlace]
   *   Configuration (optional).
   * @param {string | null | undefined} [origin]
   *   Place in code where the message originates (example:
   *   `'my-package:my-rule'` or `'my-rule'`).
   * @returns {never}
   *   Never.
   * @throws {VFileMessage}
   *   Message.
   */
  fail(causeOrReason, optionsOrParentOrPlace, origin) {
    const message = this.message(causeOrReason, optionsOrParentOrPlace, origin);
    message.fatal = true;
    throw message;
  }
  /**
   * Create an info message for `reason` associated with the file.
   *
   * The `fatal` field of the message is set to `undefined` (info; change
   * likely not needed) and the `file` field is set to the current file path.
   * The message is added to the `messages` field on `file`.
   *
   * > 🪦 **Note**: also has obsolete signatures.
   *
   * @overload
   * @param {string} reason
   * @param {MessageOptions | null | undefined} [options]
   * @returns {VFileMessage}
   *
   * @overload
   * @param {string} reason
   * @param {Node | NodeLike | null | undefined} parent
   * @param {string | null | undefined} [origin]
   * @returns {VFileMessage}
   *
   * @overload
   * @param {string} reason
   * @param {Point | Position | null | undefined} place
   * @param {string | null | undefined} [origin]
   * @returns {VFileMessage}
   *
   * @overload
   * @param {string} reason
   * @param {string | null | undefined} [origin]
   * @returns {VFileMessage}
   *
   * @overload
   * @param {Error | VFileMessage} cause
   * @param {Node | NodeLike | null | undefined} parent
   * @param {string | null | undefined} [origin]
   * @returns {VFileMessage}
   *
   * @overload
   * @param {Error | VFileMessage} cause
   * @param {Point | Position | null | undefined} place
   * @param {string | null | undefined} [origin]
   * @returns {VFileMessage}
   *
   * @overload
   * @param {Error | VFileMessage} cause
   * @param {string | null | undefined} [origin]
   * @returns {VFileMessage}
   *
   * @param {Error | VFileMessage | string} causeOrReason
   *   Reason for message, should use markdown.
   * @param {Node | NodeLike | MessageOptions | Point | Position | string | null | undefined} [optionsOrParentOrPlace]
   *   Configuration (optional).
   * @param {string | null | undefined} [origin]
   *   Place in code where the message originates (example:
   *   `'my-package:my-rule'` or `'my-rule'`).
   * @returns {VFileMessage}
   *   Message.
   */
  info(causeOrReason, optionsOrParentOrPlace, origin) {
    const message = this.message(causeOrReason, optionsOrParentOrPlace, origin);
    message.fatal = void 0;
    return message;
  }
  /**
   * Create a message for `reason` associated with the file.
   *
   * The `fatal` field of the message is set to `false` (warning; change may be
   * needed) and the `file` field is set to the current file path.
   * The message is added to the `messages` field on `file`.
   *
   * > 🪦 **Note**: also has obsolete signatures.
   *
   * @overload
   * @param {string} reason
   * @param {MessageOptions | null | undefined} [options]
   * @returns {VFileMessage}
   *
   * @overload
   * @param {string} reason
   * @param {Node | NodeLike | null | undefined} parent
   * @param {string | null | undefined} [origin]
   * @returns {VFileMessage}
   *
   * @overload
   * @param {string} reason
   * @param {Point | Position | null | undefined} place
   * @param {string | null | undefined} [origin]
   * @returns {VFileMessage}
   *
   * @overload
   * @param {string} reason
   * @param {string | null | undefined} [origin]
   * @returns {VFileMessage}
   *
   * @overload
   * @param {Error | VFileMessage} cause
   * @param {Node | NodeLike | null | undefined} parent
   * @param {string | null | undefined} [origin]
   * @returns {VFileMessage}
   *
   * @overload
   * @param {Error | VFileMessage} cause
   * @param {Point | Position | null | undefined} place
   * @param {string | null | undefined} [origin]
   * @returns {VFileMessage}
   *
   * @overload
   * @param {Error | VFileMessage} cause
   * @param {string | null | undefined} [origin]
   * @returns {VFileMessage}
   *
   * @param {Error | VFileMessage | string} causeOrReason
   *   Reason for message, should use markdown.
   * @param {Node | NodeLike | MessageOptions | Point | Position | string | null | undefined} [optionsOrParentOrPlace]
   *   Configuration (optional).
   * @param {string | null | undefined} [origin]
   *   Place in code where the message originates (example:
   *   `'my-package:my-rule'` or `'my-rule'`).
   * @returns {VFileMessage}
   *   Message.
   */
  message(causeOrReason, optionsOrParentOrPlace, origin) {
    const message = new VFileMessage(
      // @ts-expect-error: the overloads are fine.
      causeOrReason,
      optionsOrParentOrPlace,
      origin
    );
    if (this.path) {
      message.name = this.path + ":" + message.name;
      message.file = this.path;
    }
    message.fatal = false;
    this.messages.push(message);
    return message;
  }
  /**
   * Serialize the file.
   *
   * > **Note**: which encodings are supported depends on the engine.
   * > For info on Node.js, see:
   * > <https://nodejs.org/api/util.html#whatwg-supported-encodings>.
   *
   * @param {string | null | undefined} [encoding='utf8']
   *   Character encoding to understand `value` as when it’s a `Uint8Array`
   *   (default: `'utf-8'`).
   * @returns {string}
   *   Serialized file.
   */
  toString(encoding) {
    if (this.value === void 0) {
      return "";
    }
    if (typeof this.value === "string") {
      return this.value;
    }
    const decoder = new TextDecoder(encoding || void 0);
    return decoder.decode(this.value);
  }
}
function assertPart(part, name) {
  if (part && part.includes(path.sep)) {
    throw new Error(
      "`" + name + "` cannot be a path: did not expect `" + path.sep + "`"
    );
  }
}
function assertNonEmpty(part, name) {
  if (!part) {
    throw new Error("`" + name + "` cannot be empty");
  }
}
function assertPath(path2, name) {
  if (!path2) {
    throw new Error("Setting `" + name + "` requires `path` to be set too");
  }
}
function isUint8Array(value) {
  return Boolean(
    value && typeof value === "object" && "byteLength" in value && "byteOffset" in value
  );
}
export {
  VFile as V
};
