import { nostrService } from '../nostr'
import type { Event, EventTemplate } from 'nostr-tools'
import { finalizeEvent } from 'nostr-tools'
import { hexToBytes } from 'nostr-tools/utils'
import { writeOrchestrator } from '../writeOrchestrator'
import { getPublishRelays } from '../relaySelection'
import type { Purchase, ReviewTip, Sponsoring } from '@/types/nostr'

export type PaymentCategoryTag = 'sciencefiction' | 'research'

export function mapPaymentCategory(category: 'science-fiction' | 'scientific-research' | undefined): PaymentCategoryTag {
  return category === 'scientific-research' ? 'research' : 'sciencefiction'
}

export function buildPaymentNoteTemplate(tags: string[][], content: string): EventTemplate {
  return { kind: 1, created_at: Math.floor(Date.now() / 1000), tags, content }
}

export async function publishPaymentNoteToRelays(params: {
  payerPrivateKey: string
  objectType: 'purchase' | 'review_tip' | 'sponsoring'
  hash: string
  eventTemplate: EventTemplate
  parsed: Purchase | ReviewTip | Sponsoring
  version: number
  hidden: boolean
  index: number
}): Promise<Event | null> {
  nostrService.setPrivateKey(params.payerPrivateKey)
  writeOrchestrator.setPrivateKey(params.payerPrivateKey)
  const event = finalizeEvent(params.eventTemplate, hexToBytes(params.payerPrivateKey))
  const relays = await getPublishRelays()
  const result = await writeOrchestrator.writeAndPublish(
    { objectType: params.objectType, hash: params.hash, event, parsed: params.parsed, version: params.version, hidden: params.hidden, index: params.index },
    relays
  )
  return result.success ? event : null
}