{% extends "layout.njk" %}
{% import "macros.njk" as macros %}

{% block main %}
{{ imports }}

type ProgramErrorConstructor = new (program: Program, cause?: Error) => ProgramError;
const codeToErrorMap: Map<number, ProgramErrorConstructor> = new Map();
const nameToErrorMap: Map<string, ProgramErrorConstructor> = new Map();

{% for error in errors | sort(false, false, 'code') %}
{{ macros.docblock(error.docs) }}
export class {{ error.name | pascalCase }}Error extends ProgramError {
  override readonly name: string = '{{ error.name | pascalCase }}';

  readonly code: number = 0x{{ error.code.toString(16) }}; // {{ error.code }}
  
  constructor(program: Program, cause?: Error) {
    super('{{ error.message.replaceAll("'", "\\'") }}', program, cause);
  }
}
codeToErrorMap.set(0x{{ error.code.toString(16) }}, {{ error.name | pascalCase }}Error);
nameToErrorMap.set('{{ error.name | pascalCase }}', {{ error.name | pascalCase }}Error);

{% endfor %}
/**
 * Attempts to resolve a custom program error from the provided error code.
 * @category Errors
 */
export function get{{ program.name | pascalCase }}ErrorFromCode(code: number, program: Program, cause?: Error): ProgramError | null {
  const constructor = codeToErrorMap.get(code);
  return constructor ? new constructor(program, cause) : null;
}

/**
 * Attempts to resolve a custom program error from the provided error name, i.e. 'Unauthorized'.
 * @category Errors
 */
export function get{{ program.name | pascalCase }}ErrorFromName(name: string, program: Program, cause?: Error): ProgramError | null {
  const constructor = nameToErrorMap.get(name);
  return constructor ? new constructor(program, cause) : null;
}
{% endblock %}