import type { FullRelaySettings, NostrEvent, UserMetadata } from ".."
import { unixNowMs } from "@snort/shared"

export interface CachedBase {
  /**
   * When the object was saved in cache
   */
  loaded: number

  /**
   * When the source data event was created
   */
  created: number

  /**
   * The pubkey of the owner of this data
   */
  pubkey: string
}

export type CachedMetadata = CachedBase & UserMetadata

export type UsersRelays = {
  relays: FullRelaySettings[]
} & CachedBase

export type UsersFollows = {
  follows: Array<Array<string>>
} & CachedBase

export function mapEventToProfile(ev: NostrEvent) {
  if (ev.kind !== 0 && ev.kind !== 31990) return
  try {
    const data: UserMetadata = JSON.parse(ev.content)
    const ret = {
      ...data,
      pubkey: ev.pubkey,
      created: ev.created_at,
      loaded: unixNowMs(),
    } as CachedMetadata

    // sanitize non-string/number
    for (const [k, v] of Object.entries(ret)) {
      if (typeof v !== "number" && typeof v !== "string") {
        ;(ret as any)[k] = undefined
      }
    }
    return ret
  } catch (e) {
    console.error("Failed to parse JSON", ev, e)
  }
}