import { businessConfig } from "@/lib/seo-config"

function cleanBaseUrl(value: string) {
  return value.replace(/\/$/, "")
}

function getSiteBaseUrl() {
  return cleanBaseUrl(
    process.env.NEXT_PUBLIC_SITE_URL ||
      process.env.VOICE_ASSISTANT_SITE_URL ||
      businessConfig.website,
  )
}

export function getManualsAssetBaseUrl() {
  return cleanBaseUrl(process.env.NEXT_PUBLIC_MANUALS_BASE_URL || `${getSiteBaseUrl()}/manuals`)
}

export function getThumbnailsAssetBaseUrl() {
  return cleanBaseUrl(process.env.NEXT_PUBLIC_THUMBNAILS_BASE_URL || `${getSiteBaseUrl()}/thumbnails`)
}

export function getManualsAssetSource() {
  return process.env.NEXT_PUBLIC_MANUALS_BASE_URL && process.env.NEXT_PUBLIC_THUMBNAILS_BASE_URL
    ? "external-object-storage"
    : "site-static"
}

export function buildManualAssetUrl(relativePath: string) {
  const encodedPath = relativePath
    .split("/")
    .map((segment) => encodeURIComponent(decodeURIComponentSafe(segment)))
    .join("/")

  return `${getManualsAssetBaseUrl()}/${encodedPath}`
}

export function buildThumbnailAssetUrl(relativePath: string) {
  const encodedPath = relativePath
    .split("/")
    .map((segment) => encodeURIComponent(decodeURIComponentSafe(segment)))
    .join("/")

  return `${getThumbnailsAssetBaseUrl()}/${encodedPath}`
}

function decodeURIComponentSafe(value: string) {
  try {
    return decodeURIComponent(value)
  } catch {
    return value
  }
}