export const KNOWN_ERROR_CODES = [
	'missing_permission',
	'escalation',
	'role_locked',
	'own_role',
	'role_built_in',
	'built_in_name',
	'role_conflict',
	'user_role_changed',
	'session_required',
] as const

export type ApiErrorCode = (typeof KNOWN_ERROR_CODES)[number]

export interface ApiErrorDetails {
	code?: ApiErrorCode
	permission?: string
	escalationKey?: string
}

const SESSION_REQUIRED_MESSAGE = 'This action needs a real session.'

export function errorCodeOf(body: string | undefined): ApiErrorCode | undefined {
	if (body === SESSION_REQUIRED_MESSAGE) {
		return 'session_required'
	}
	return KNOWN_ERROR_CODES.find((code) => code === body)
}

export class ApiError extends Error {
	status: number
	retryAfter?: number
	body?: string
	code?: ApiErrorCode
	permission?: string
	escalationKey?: string

	constructor(status: number, retryAfter?: number, body?: string, details: ApiErrorDetails = {}) {
		super(`Request failed with status ${status}`)
		this.status = status
		this.retryAfter = retryAfter
		this.body = body
		this.code = details.code
		this.permission = details.permission
		this.escalationKey = details.escalationKey
	}
}