import { memoize } from 'lodash'

export type PageMeta = {
  title: string
  description?: string
  image?: string
}

export interface PathList {
  paths: { [path: string]: { title: string; basePath?: boolean; description?: string } }
  defaultTitleSuffix: string
}

export const getCustomMeta = memoize(
  (pathList: PathList, path: string): PageMeta => {
    const pathMetadata =
      pathList.paths[path] ??
      pathList.paths[
        Object.entries(pathList.paths)
          .sort(([url1], [url2]) => url2.length - url1.length)
          .find(([url, data]) => data.basePath && path.startsWith(url))?.[0]
      ]

    if (pathMetadata) {
      return {
        title: `${pathMetadata.title}`,
        ...(pathMetadata.description && { description: pathMetadata.description }),
      }
    }
    return null
  },
  (path) => `${path}`,
)