export type DevtoolAction = "compile" | "extract"

export interface DevtoolProject {
  locales: readonly string[]
  sourceLocale: string
}

interface ApiError {
  error?: string
}

export async function requestDevtoolJson<T>(
  url: string,
  init?: RequestInit
): Promise<T> {
  const response = await fetch(url, init)
  const body = (await response.json()) as T & ApiError

  if (!response.ok) {
    throw new Error(body.error ?? `Request failed with ${response.status}.`)
  }

  return body
}

export async function runDevtoolAction(
  action: DevtoolAction,
  baseUrl = "/__i18n"
) {
  const normalizedBaseUrl = baseUrl.replace(/\/+$/, "")

  return requestDevtoolJson<{ output: string }>(
    `${normalizedBaseUrl}/actions/${action}`,
    { method: "POST" }
  )
}

export async function requestDevtoolProject(baseUrl = "/__i18n") {
  const normalizedBaseUrl = baseUrl.replace(/\/+$/, "")

  return requestDevtoolJson<DevtoolProject>(`${normalizedBaseUrl}/project`)
}