/**
 * A custom error class for input errors.
 *
 * @example
 * const fn = () => {
 *   throw new InputError('Invalid input', 'user.name')
 * }
 */
class InputError extends Error {
  /**
   * Path of input attribute that originated the error.
   */
  path: string[]

  constructor(message: string, path: string[] = []) {
    super(message)
    this.name = 'InputError'
    this.path = path
  }

  override toString(): string {
    return `${this.name}: ${this.message} (path: ${this.path.join('.')})`
  }
}

/**
 * @deprecated Use `ContextError` instead
 * A custom error class for context errors.
 *
 * @example
 * const fn = () => {
 *  throw new EnvironmentError('Invalid environment', 'user.name')
 * }
 */
class EnvironmentError extends Error {
  /**
   * Path of context attribute that originated the error.
   */
  path: string[]

  constructor(message: string, path: string[] = []) {
    super(message)
    this.name = 'EnvironmentError'
    this.path = path
  }

  override toString(): string {
    return `${this.name}: ${this.message} (path: ${this.path.join('.')})`
  }
}

/**
 * A custom error class for context errors.
 *
 * @example
 * const fn = () => {
 *  throw new ContextError('Invalid context', 'user.name')
 * }
 */
class ContextError extends Error {
  /**
   * Path of context attribute that originated the error.
   */
  path: string[]

  constructor(message: string, path: string[] = []) {
    super(message)
    this.name = 'ContextError'
    this.path = path
  }

  override toString(): string {
    return `${this.name}: ${this.message} (path: ${this.path.join('.')})`
  }
}

/**
 * A list of errors
 *
 * Useful to propagate error from mutiple composables in parallel execution
 */
class ErrorList extends Error {
  /**
   * The list of errors
   */
  list: Error[]

  constructor(errors: Error[]) {
    super('ErrorList')
    this.name = 'ErrorList'
    this.list = errors
  }

  override toString(): string {
    return `${this.name}: [\n  ${
      this.list.map((err) => err.toString()).join(',\n  ')
    }\n]`
  }
}

/**
 * A function to check if an `Error` or a `SerializableError` is an InputError
 */
function isInputError(e: { name: string; message: string }): boolean {
  return e.name === 'InputError'
}

/**
 * @deprecated Use `isContextError` instead
 * A function to check if an `Error` or a `SerializableError` is a ContextError
 */
const isEnvironmentError = isContextError

/**
 * A function to check if an `Error` or a `SerializableError` is a ContextError
 */
function isContextError(e: { name: string; message: string }): boolean {
  return e.name === 'EnvironmentError' || e.name === 'ContextError'
}

export {
  ContextError,
  EnvironmentError,
  ErrorList,
  InputError,
  isContextError,
  isEnvironmentError,
  isInputError,
}