import { BillingService } from '../billing/billing.service';
import { Queue } from 'bullmq';
import { PhoneRoutingLookupService } from '../dictionaries/phone-routing-lookup.service';
import { PrismaService } from '../prisma/prisma.service';
import { RiskReviewService } from '../risk-review/risk-review.service';
import { PhoneFrequencyService } from '../risk-review/phone-frequency.service';
import type { CreateBatchTaskDto, CreateHttpBatchTaskDto, GatewayInboundAuthDto, GatewayInboundSubmitDto, ImportPreviewDto, ConfirmImportDto, SendJob, QueuePriority, RoutedChannel } from './send-chain.contracts';
import { SendBatchEntryService } from './send-batch-entry.service';
import { SendGatewaySubmitService } from './send-gateway-submit.service';
import { SendInboundEntryService } from './send-inbound-entry.service';
import { SendReviewContinuationService } from './send-review-continuation.service';
import { SendScheduledDispatchService } from './send-scheduled-dispatch.service';


export type SendSubmissionCallbacks = {
  releaseMessageReservation: (
    message: { tenantId: string; batchTaskId: string; messageId: string; amountCents: number | bigint; billingUnits: number },
    remark: string,
  ) => Promise<void>;
  recordCmppFailureReceipt: (
    message: {
      id: string;
      tenantId?: string | null;
      batchTaskId?: string | null;
      applicationId?: string | null;
      messageId: string;
      phoneNumber: string;
      cmppSubmitSequenceId?: string | null;
      cmppSubmitGroupMessageId?: string | null;
      cmppRegisteredDelivery?: boolean | null;
    },
    errorCode: string,
    reason: string,
  ) => Promise<unknown>;
};

/**
 * R9 internal compatibility facade. SendChainService remains the only public NestJS provider.
 */
export class SendSubmissionService {
  private readonly batchEntry: SendBatchEntryService;
  private readonly inboundEntry: SendInboundEntryService;
  private readonly reviewContinuation: SendReviewContinuationService;
  private readonly scheduledDispatch: SendScheduledDispatchService;
  private readonly gatewaySubmit: SendGatewaySubmitService;

  constructor(
    prisma: PrismaService,
    billing: BillingService,
    riskReview: RiskReviewService,
    phoneFrequency: PhoneFrequencyService,
    phoneRouting: PhoneRoutingLookupService,
    facade: SendSubmissionService,
    callbacks: SendSubmissionCallbacks,
  ) {
    this.batchEntry = new SendBatchEntryService(prisma, billing, riskReview, phoneFrequency, phoneRouting, facade, callbacks);
    this.inboundEntry = new SendInboundEntryService(prisma, billing, riskReview, phoneFrequency, phoneRouting, facade, callbacks);
    this.reviewContinuation = new SendReviewContinuationService(prisma, billing, riskReview, phoneFrequency, phoneRouting, facade, callbacks);
    this.scheduledDispatch = new SendScheduledDispatchService(prisma, billing, riskReview, phoneFrequency, phoneRouting, facade, callbacks);
    this.gatewaySubmit = new SendGatewaySubmitService(prisma, billing, riskReview, phoneFrequency, phoneRouting, facade, callbacks);
  }

  onModuleDestroy() {
    return this.gatewaySubmit.onModuleDestroy();
  }

async createBatchTask(data: CreateBatchTaskDto) {
    return this.batchEntry.createBatchTask(data);
  }

async createHttpBatchTask(data: CreateHttpBatchTaskDto) {
    return this.batchEntry.createHttpBatchTask(data);
  }

async getBatchTask(taskId: string, tenantId?: string, sourceType = 'client') {
    return this.batchEntry.getBatchTask(taskId, tenantId, sourceType);
  }

async previewImport(data: ImportPreviewDto) {
    return this.batchEntry.previewImport(data);
  }

async confirmImport(data: ConfirmImportDto) {
    return this.batchEntry.confirmImport(data);
  }

async resolveUnitPrice(tenantId: string, applicationId?: string) {
    return this.batchEntry.resolveUnitPrice(tenantId, applicationId);
  }

async resolveQueuePriority(tenantId: string, applicationId?: string): Promise<QueuePriority> {
    return this.batchEntry.resolveQueuePriority(tenantId, applicationId);
  }

async resolveApplicationAccessNumber(tenantId: string, applicationId?: string) {
    return this.batchEntry.resolveApplicationAccessNumber(tenantId, applicationId);
  }

async resolveTemplateMessageClassification(
    tenantId: string,
    applicationId: string | undefined,
    templateId: string | undefined,
    content: string,
  ) {
    return this.batchEntry.resolveTemplateMessageClassification(tenantId, applicationId, templateId, content);
  }

async classifyRejectedPhones(tenantId: string, applicationId: string | undefined, phones: string[]) {
    return this.batchEntry.classifyRejectedPhones(tenantId, applicationId, phones);
  }

async validateSendResources(tenantId: string, applicationId?: string, templateId?: string) {
    return this.batchEntry.validateSendResources(tenantId, applicationId, templateId);
  }

async reserveDailySendQuota(applicationId: string, requestedCount: number) {
    return this.batchEntry.reserveDailySendQuota(applicationId, requestedCount);
  }

async tryReserveDailySendQuota(applicationId: string, requestedCount: number) {
    return this.batchEntry.tryReserveDailySendQuota(applicationId, requestedCount);
  }

async authenticateInboundApplication(data: GatewayInboundAuthDto) {
    return this.inboundEntry.authenticateInboundApplication(data);
  }

async submitInboundMessage(data: GatewayInboundSubmitDto) {
    return this.inboundEntry.submitInboundMessage(data);
  }

async recoverCompletedInboundLongMessageResponse(messageId: string, phoneNumbers: string[]) {
    return this.inboundEntry.recoverCompletedInboundLongMessageResponse(messageId, phoneNumbers);
  }

async submitCompleteInboundMessage(
    data: GatewayInboundSubmitDto,
    phoneNumbers: string[],
    application: Awaited<ReturnType<SendSubmissionService['findInboundApplication']>>,
    requestedGroupMessageId?: string,
  ) {
    return this.inboundEntry.submitCompleteInboundMessage(data, phoneNumbers, application, requestedGroupMessageId);
  }

async collectInboundLongMessageFragment(
    data: GatewayInboundSubmitDto,
    application: NonNullable<Awaited<ReturnType<SendSubmissionService['findInboundApplication']>>>,
    phoneNumbers: string[],
  ) {
    return this.inboundEntry.collectInboundLongMessageFragment(data, application, phoneNumbers);
  }

async expireInboundLongMessages(now = new Date()) {
    return this.inboundEntry.expireInboundLongMessages(now);
  }

async submitInboundSingleMessage(
    data: GatewayInboundSubmitDto & { phoneNumber: string },
    messageId: string,
    submitGroupMessageId: string,
    synchronousRejection?: { code: string; reason: string },
    receiptRejection?: { code: string; reason: string },
  ) {
    return this.inboundEntry.submitInboundSingleMessage(data, messageId, submitGroupMessageId, synchronousRejection, receiptRejection);
  }

async evaluateRiskWithPhoneFrequency(input: {
    tenantId: string;
    applicationId: string;
    templateId?: string;
    content: string;
    variables?: Record<string, unknown>;
    phoneNumber: string;
    sourceType: 'cmpp';
  }) {
    return this.inboundEntry.evaluateRiskWithPhoneFrequency(input);
  }

findInboundApplication(account: string) {
    return this.inboundEntry.findInboundApplication(account);
  }

async resolveInboundTemplateCandidate(applicationId: string, content: string) {
    return this.inboundEntry.resolveInboundTemplateCandidate(applicationId, content);
  }

resolveInboundSignatureCandidate(applicationId: string, content: string) {
    return this.inboundEntry.resolveInboundSignatureCandidate(applicationId, content);
  }

async resolveDrainageInfoMatch(signatureId: string | null | undefined, content: string) {
    return this.inboundEntry.resolveDrainageInfoMatch(signatureId, content);
  }

async attachMessageToReviewTask(reviewTaskId: string, messageRecordId: string, signatureId: string, drainageInfoId?: string) {
    return this.inboundEntry.attachMessageToReviewTask(reviewTaskId, messageRecordId, signatureId, drainageInfoId);
  }

async handleReviewDecision(reviewTaskId: string, decision: 'approved' | 'rejected', reason: string) {
    return this.reviewContinuation.handleReviewDecision(reviewTaskId, decision, reason);
  }

async dispatchDueScheduledTasks(now = new Date()) {
    return this.scheduledDispatch.dispatchDueScheduledTasks(now);
  }

async runScheduledDispatchScan() {
    return this.scheduledDispatch.runScheduledDispatchScan();
  }

async enqueueBatchTask(taskId: string) {
    return this.gatewaySubmit.enqueueBatchTask(taskId);
  }

startWorker() {
    return this.gatewaySubmit.startWorker();
  }

async processSendJob(job: SendJob) {
    return this.gatewaySubmit.processSendJob(job);
  }

async submitMessageToGateway(
    message: {
      id: string;
      tenantId: string;
      batchTaskId: string;
      applicationId?: string | null;
      templateId?: string | null;
      signatureId?: string | null;
      submitId?: string | null;
      messageId: string;
      phoneNumber: string;
      content: string;
      billingUnits: number;
      queuePriority?: string | null;
      clientSrcId?: string | null;
      applicationExtension?: string | null;
      template?: { signature?: { id?: string | null; name?: string | null } | null } | null;
      signature?: { id?: string | null; name?: string | null } | null;
    },
    routed: RoutedChannel,
    attempt: number,
    retryOfSubmitRecordId?: string,
  ) {
    return this.gatewaySubmit.submitMessageToGateway(message, routed, attempt, retryOfSubmitRecordId);
  }

async selectChannelForMessage(
    message: { id: string; tenantId: string; applicationId?: string | null; templateId?: string | null; signatureId?: string | null; phoneNumber: string; carrier?: string | null; province?: string | null; template?: { signature?: { id?: string | null } | null } | null; signature?: { id?: string | null } | null },
    options: { forceNational?: boolean; excludeChannelIds?: string[] } = {},
  ): Promise<RoutedChannel> {
    return this.gatewaySubmit.selectChannelForMessage(message, options);
  }

async findApplicationRoute(tenantId: string, applicationId: string | undefined, carrier: string) {
    return this.gatewaySubmit.findApplicationRoute(tenantId, applicationId, carrier);
  }

async identifyCarrier(phoneNumber: string) {
    return this.gatewaySubmit.identifyCarrier(phoneNumber);
  }

async identifyProvince(phoneNumber: string) {
    return this.gatewaySubmit.identifyProvince(phoneNumber);
  }

async ensureSignatureReportedForChannel(
    message: {
      id: string;
      templateId?: string | null;
      template?: { signature?: { id?: string | null; name?: string | null } | null } | null;
      signature?: { id?: string | null; name?: string | null } | null;
    },
    channelId: string,
  ) {
    return this.gatewaySubmit.ensureSignatureReportedForChannel(message, channelId);
  }

async resolveMessageSignatureId(message: { templateId?: string | null; signatureId?: string | null; template?: { signature?: { id?: string | null } | null } | null; signature?: { id?: string | null } | null }) {
    return this.gatewaySubmit.resolveMessageSignatureId(message);
  }

async waitForChannelRateLimit(channelId: string, tps: number) {
    return this.gatewaySubmit.waitForChannelRateLimit(channelId, tps);
  }

async refreshTaskProgress(batchTaskId: string) {
    return this.gatewaySubmit.refreshTaskProgress(batchTaskId);
  }

getSendQueue(): Queue<SendJob, unknown, 'send-message'> {
    return this.gatewaySubmit.getSendQueue();
  }

getGatewayQueue(): Queue {
    return this.gatewaySubmit.getGatewayQueue();
  }

getRedis() {
    return this.gatewaySubmit.getRedis();
  }

async publishGatewaySubmitCommand(command: unknown, idempotencyKey?: string) {
    return this.gatewaySubmit.publishGatewaySubmitCommand(command, idempotencyKey);
  }
}