// apps/desktop/src/main/ipc/ads-handlers.ts
// IPC handlers for Multi-Ad Mediation, Header Bidding, and Revenue Settlement

import { ipcMain } from 'electron'
import { IPC_CHANNELS } from '@d3ro/core/ipc-channels'
import { ok, err } from '@d3ro/core/errors'
import type {
  AdMediationConfig,
  AdMediationAuctionRequest,
  AdImpressionEvent,
  PublisherAccountConfig,
} from '@d3ro/core/types'
import { getAdMediationEngine } from '../services/ads/AdMediationEngine'
import { getAdSettlementService } from '../services/ads/AdSettlementService'

export function registerAdsHandlers(): void {
  const engine = getAdMediationEngine()
  const settlement = getAdSettlementService()

  // 1. Get Mediation Config
  ipcMain.handle(IPC_CHANNELS.ADS.GET_CONFIG, async () => {
    return ok(engine.getConfig())
  })

  // 2. Set Mediation Config
  ipcMain.handle(IPC_CHANNELS.ADS.SET_CONFIG, async (_event, config: Partial<AdMediationConfig>) => {
    return ok(engine.setConfig(config))
  })

  // 3. Request Header Bidding Auction
  ipcMain.handle(IPC_CHANNELS.ADS.REQUEST_AUCTION, async (_event, request: AdMediationAuctionRequest) => {
    try {
      const result = await engine.runAuction(request)
      return ok(result)
    } catch (e) {
      return err('AD_AUCTION_FAILED', e instanceof Error ? e.message : String(e))
    }
  })

  // 4. Record Impression
  ipcMain.handle(IPC_CHANNELS.ADS.RECORD_IMPRESSION, async (_event, eventPayload: Omit<AdImpressionEvent, 'timestamp'>) => {
    engine.recordImpression(eventPayload)
    return ok(true)
  })

  // 5. Record Click
  ipcMain.handle(IPC_CHANNELS.ADS.RECORD_CLICK, async (_event, { adId, networkId }: { adId: string; networkId: string }) => {
    engine.recordClick(adId, networkId)
    return ok(true)
  })

  // 6. Claim Rewarded Video Quota
  ipcMain.handle(IPC_CHANNELS.ADS.CLAIM_REWARD, async (_event, { adId, networkId }: { adId: string; networkId: string }) => {
    const result = await engine.claimReward(adId, networkId)
    return ok(result)
  })

  // 7. Get Revenue & Settlement Stats
  ipcMain.handle(IPC_CHANNELS.ADS.GET_REVENUE_STATS, async (_event, { period }: { period?: string } = {}) => {
    return ok(engine.getRevenueStats(period))
  })

  // 8. Get Settlement Records
  ipcMain.handle(IPC_CHANNELS.ADS.GET_SETTLEMENTS, async () => {
    const stats = engine.getRevenueStats()
    return ok(stats.settlements)
  })

  // 9. Request Payout
  ipcMain.handle(IPC_CHANNELS.ADS.REQUEST_PAYOUT, async (_event, { settlementId }: { settlementId: string }) => {
    const result = settlement.requestPayout(settlementId)
    return ok(result)
  })

  // 10. Get/Set Publisher Account
  ipcMain.handle(IPC_CHANNELS.ADS.GET_PUBLISHER_ACCOUNT, async () => {
    return ok(settlement.getPublisherAccount())
  })

  ipcMain.handle(IPC_CHANNELS.ADS.SET_PUBLISHER_ACCOUNT, async (_event, account: Partial<PublisherAccountConfig>) => {
    return ok(settlement.setPublisherAccount(account))
  })
}