import { Body, Controller, Get, Param, Post, Query, Res } from '@nestjs/common';
import { ApiTags } from '@nestjs/swagger';
import { CurrentSessionUserId } from '../auth/current-session-user.decorator';
import { RequireRecentAuthentication } from '../auth/require-recent-authentication.decorator';
import { SendChainService } from '../send-chain/send-chain.service';
import { OperationsService } from './operations.service';
import { ProtocolLogsService } from '../protocol-logs/protocol-logs.service';

type DownloadResponse = {
  setHeader(name: string, value: number | string): void;
  send(content: string | Buffer): void;
};

@ApiTags('operations')
@Controller('admin/operations')
export class AdminOperationsController {
  constructor(
    private readonly operations: OperationsService,
    private readonly sendChain: SendChainService,
  ) {}

  @Get('monitor')
  monitor(@Query('tenantId') tenantId?: string, @Query('channelId') channelId?: string) {
    return this.operations.monitor({ tenantId, channelId });
  }

  @Get('task-progress')
  taskProgress(@Query('tenantId') tenantId?: string, @Query('status') status?: string) {
    return this.operations.listBatchTasks({ tenantId, status });
  }

  @Get('messages')
  listMessages(
    @Query('tenantId') tenantId?: string,
    @Query('applicationId') applicationId?: string,
    @Query('channelId') channelId?: string,
    @Query('taskId') taskId?: string,
    @Query('messageId') messageId?: string,
    @Query('phoneNumber') phoneNumber?: string,
    @Query('contentKeyword') contentKeyword?: string,
    @Query('channelKeyword') channelKeyword?: string,
    @Query('carrier') carrier?: string,
    @Query('queuedAtFrom') queuedAtFrom?: string,
    @Query('queuedAtTo') queuedAtTo?: string,
    @Query('status') status?: string,
    @Query('hasDrainage') hasDrainage?: string,
    @Query('page') page?: string,
    @Query('pageSize') pageSize?: string,
    @Query('monitorSnapshotId') monitorSnapshotId?: string,
  ) {
    return this.operations.listMessagesPage({
      monitorSnapshotId,
      tenantId,
      applicationId,
      channelId,
      taskId,
      messageId,
      phoneNumber,
      contentKeyword,
      channelKeyword,
      carrier,
      queuedAtFrom,
      queuedAtTo,
      status,
      hasDrainage,
      page: Number(page),
      pageSize: Number(pageSize),
    });
  }

  @Get('messages/export')
  async exportMessages(
    @Query('tenantId') tenantId: string | undefined,
    @Query('applicationId') applicationId: string | undefined,
    @Query('channelId') channelId: string | undefined,
    @Query('phoneNumber') phoneNumber: string | undefined,
    @Query('contentKeyword') contentKeyword: string | undefined,
    @Query('channelKeyword') channelKeyword: string | undefined,
    @Query('carrier') carrier: string | undefined,
    @Query('queuedAtFrom') queuedAtFrom: string | undefined,
    @Query('queuedAtTo') queuedAtTo: string | undefined,
    @Query('status') status: string | undefined,
    @Query('hasDrainage') hasDrainage: string | undefined,
    @Res() response: DownloadResponse,
    @Query('monitorSnapshotId') monitorSnapshotId?: string,
  ) {
    const exported = await this.operations.exportMessages({
      monitorSnapshotId,
      tenantId,
      applicationId,
      channelId,
      phoneNumber,
      contentKeyword,
      channelKeyword,
      carrier,
      queuedAtFrom,
      queuedAtTo,
      status,
      hasDrainage,
    });
    response.setHeader('Content-Type', 'text/csv; charset=utf-8');
    response.setHeader('Content-Disposition', `attachment; filename*=UTF-8''${encodeURIComponent(exported.fileName)}`);
    response.send(`\uFEFF${exported.content}`);
  }

  @Get('messages/:id')
  getMessage(@Param('id') id: string) {
    return this.operations.getMessage(id);
  }

  @Get('message-segment-audits')
  messageSegmentAudits(@Query('messageId') messageId?: string, @Query('messageRecordId') messageRecordId?: string) {
    return this.operations.listMessageSegmentAudits({ messageId, messageRecordId });
  }

  @Get('uplink-messages')
  listUplinkMessages(
    @Query('tenantId') tenantId?: string,
    @Query('channelId') channelId?: string,
    @Query('phoneNumber') phoneNumber?: string,
    @Query('keyword') keyword?: string,
    @Query('startTime') startTime?: string,
    @Query('endTime') endTime?: string,
    @Query('page') page?: string,
    @Query('pageSize') pageSize?: string,
  ) {
    return page || pageSize
      ? this.operations.listUplinkMessagesPage({
          tenantId,
          channelId,
          phoneNumber,
          keyword,
          startTime,
          endTime,
          page: Number(page),
          pageSize: Number(pageSize),
        })
      : this.operations.listUplinkMessages({ tenantId, channelId, phoneNumber, keyword, startTime, endTime });
  }

  @Post('uplink-messages/:id/claim')
  claimUplinkMatchCandidate(@Param('id') id: string, @Body() body: { candidateId?: string; operatorId?: string }) {
    return this.sendChain.claimUplinkMatchCandidate(id, String(body.candidateId ?? ''), body.operatorId);
  }

  @Get('dashboard')
  dashboard(@Query('tenantId') tenantId?: string) {
    return this.operations.dashboard({ tenantId });
  }

  @Get('pending-audits')
  pendingAudits(@Query('tenantId') tenantId?: string) {
    return this.operations.pendingAudits(tenantId);
  }

  @Get('dashboard/statistics')
  dashboardStatistics(@Query('tenantId') tenantId?: string) {
    return this.operations.dashboard({ tenantId });
  }

  @Get('statistics')
  statistics(@Query('tenantId') tenantId?: string, @Query('groupBy') groupBy?: string) {
    return this.operations.statistics({ tenantId, groupBy });
  }

  @Get('send-quality')
  sendQuality(@Query('date') date?: string) {
    return this.operations.sendQuality(date);
  }

  @Get('signature-quality')
  signatureQuality(
    @Query('date') date?: string,
    @Query('keyword') keyword?: string,
    @Query('page') page?: string,
    @Query('pageSize') pageSize?: string,
  ) {
    return this.operations.signatureQuality({
      date,
      keyword,
      page: page === undefined ? 1 : Number(page),
      pageSize: pageSize === undefined ? 25 : Number(pageSize),
    });
  }

  @Get('audit-logs')
  auditLogs(
    @Query('tenantId') tenantId?: string,
    @Query('userId') userId?: string,
    @Query('page') page?: string,
    @Query('pageSize') pageSize?: string,
  ) {
    return this.operations.auditLogs({ tenantId, userId, page: Number(page), pageSize: Number(pageSize) });
  }

  @Get('audit-summary')
  auditSummary(@Query('tenantId') tenantId?: string) {
    return this.operations.auditSummary({ tenantId });
  }

  @Get('trace')
  trace(
    @Query('tenantId') tenantId?: string,
    @Query('applicationId') applicationId?: string,
    @Query('channelId') channelId?: string,
    @Query('taskId') taskId?: string,
    @Query('phoneNumber') phoneNumber?: string,
    @Query('messageId') messageId?: string,
  ) {
    return this.operations.trace({ tenantId, applicationId, channelId, taskId, phoneNumber, messageId });
  }

  @Get('reconciliation')
  reconciliation(@Query('tenantId') tenantId?: string, @Query('taskId') taskId?: string) {
    return this.operations.reconciliation({ tenantId, taskId });
  }

  @Get('gateway-submit-dead-letters')
  gatewaySubmitDeadLetters(
    @Query('tenantId') tenantId?: string,
    @Query('applicationId') applicationId?: string,
    @Query('channelId') channelId?: string,
    @Query('status') status?: string,
    @Query('keyword') keyword?: string,
    @Query('page') page?: string,
    @Query('pageSize') pageSize?: string,
  ) {
    return this.operations.listGatewaySubmitDeadLetters({
      tenantId,
      applicationId,
      channelId,
      status,
      keyword,
      page: Number(page),
      pageSize: Number(pageSize),
    });
  }

  @Post('gateway-submit-dead-letters/:id/requeue')
  @RequireRecentAuthentication()
  requeueGatewaySubmitDeadLetter(
    @Param('id') id: string,
    @Body() body: { confirmedNotSubmitted?: boolean; reason?: string },
    @CurrentSessionUserId() operatorId?: string,
  ) {
    return this.sendChain.requeueGatewaySubmitDeadLetter(id, { ...body, operatorId });
  }

  @Post('gateway-submit-dead-letters/:id/resolve')
  resolveGatewaySubmitDeadLetter(@Param('id') id: string, @CurrentSessionUserId() operatorId?: string) {
    return this.sendChain.resolveGatewaySubmitDeadLetter(id, operatorId);
  }

  @Get('receipt-anomalies')
  receiptAnomalies(
    @Query('tenantId') tenantId?: string,
    @Query('applicationId') applicationId?: string,
    @Query('channelId') channelId?: string,
    @Query('anomalyType') anomalyType?: string,
    @Query('status') status?: string,
    @Query('keyword') keyword?: string,
    @Query('page') page?: string,
    @Query('pageSize') pageSize?: string,
  ) {
    return this.operations.listReceiptAnomalies({
      tenantId,
      applicationId,
      channelId,
      anomalyType,
      status,
      keyword,
      page: Number(page),
      pageSize: Number(pageSize),
    });
  }

  @Get('downstream-deliveries')
  downstreamDeliveries(
    @Query('tenantId') tenantId?: string,
    @Query('applicationId') applicationId?: string,
    @Query('deliveryType') deliveryType?: string,
    @Query('createdAtFrom') createdAtFrom?: string,
    @Query('createdAtTo') createdAtTo?: string,
    @Query('status') status?: string,
    @Query('keyword') keyword?: string,
    @Query('page') page?: string,
    @Query('pageSize') pageSize?: string,
  ) {
    return this.operations.listDownstreamDeliveries({
      tenantId,
      applicationId,
      deliveryType,
      createdAtFrom,
      createdAtTo,
      status,
      keyword,
      page: Number(page),
      pageSize: Number(pageSize),
    });
  }

  @Get('downstream-deliveries/dashboard')
  downstreamDeliveryDashboard(
    @Query('tenantId') tenantId?: string,
    @Query('applicationId') applicationId?: string,
    @Query('deliveryType') deliveryType?: string,
    @Query('createdAtFrom') createdAtFrom?: string,
    @Query('createdAtTo') createdAtTo?: string,
  ) {
    return this.operations.downstreamDeliveryDashboard({
      tenantId,
      applicationId,
      deliveryType,
      createdAtFrom,
      createdAtTo,
    });
  }

  @Get('downstream-recovery-statuses')
  downstreamRecoveryStatuses(
    @Query('tenantId') tenantId?: string,
    @Query('applicationId') applicationId?: string,
    @Query('state') state?: string,
    @Query('failureCategory') failureCategory?: string,
    @Query('keyword') keyword?: string,
    @Query('updatedAtFrom') updatedAtFrom?: string,
    @Query('updatedAtTo') updatedAtTo?: string,
    @Query('page') page?: string,
    @Query('pageSize') pageSize?: string,
  ) {
    return this.operations.listDownstreamRecoveryStatuses({
      tenantId,
      applicationId,
      state,
      failureCategory,
      keyword,
      updatedAtFrom,
      updatedAtTo,
      page: Number(page),
      pageSize: Number(pageSize),
    });
  }

  @Get('downstream-recovery-statuses/export')
  async exportDownstreamRecoveryStatuses(
    @Query('tenantId') tenantId: string | undefined,
    @Query('applicationId') applicationId: string | undefined,
    @Query('state') state: string | undefined,
    @Query('failureCategory') failureCategory: string | undefined,
    @Query('keyword') keyword: string | undefined,
    @Query('updatedAtFrom') updatedAtFrom: string | undefined,
    @Query('updatedAtTo') updatedAtTo: string | undefined,
    @Res() response: DownloadResponse,
  ) {
    const exported = await this.operations.exportDownstreamRecoveryStatuses({
      tenantId,
      applicationId,
      state,
      failureCategory,
      keyword,
      updatedAtFrom,
      updatedAtTo,
    });
    response.setHeader('Content-Type', 'text/csv; charset=utf-8');
    response.setHeader('Content-Disposition', `attachment; filename*=UTF-8''${encodeURIComponent(exported.fileName)}`);
    response.send(`\uFEFF${exported.content}`);
  }

  @Get('downstream-recovery-statuses/:id')
  downstreamRecoveryStatusDetail(@Param('id') id: string) {
    return this.operations.getDownstreamRecoveryStatus(id);
  }

  @Post('downstream-deliveries/:id/requeue')
  requeueDownstreamDelivery(@Param('id') id: string) {
    return this.sendChain.requeueDownstreamDelivery(id);
  }

  @Post('downstream-deliveries/requeue')
  batchRequeueDownstreamDeliveries(@Body() body: { ids?: string[] }) {
    return this.sendChain.batchRequeueDownstreamDeliveries(body.ids ?? []);
  }

  @Post('downstream-requeue-tasks/preview')
  previewDownstreamRequeueTask(
    @Body() body: { filter?: Record<string, string | undefined> },
    @CurrentSessionUserId() operatorId?: string,
  ) {
    return this.sendChain.previewDownstreamRequeueTask(body.filter ?? {}, operatorId);
  }

  @Post('downstream-requeue-tasks')
  createDownstreamRequeueTask(
    @Body() body: { previewToken?: string; reason?: string; ratePerSecond?: number; consecutiveFailureLimit?: number },
    @CurrentSessionUserId() operatorId?: string,
  ) {
    return this.sendChain.createDownstreamRequeueTask(
      {
        previewToken: body.previewToken ?? '',
        reason: body.reason ?? '',
        ratePerSecond: body.ratePerSecond,
        consecutiveFailureLimit: body.consecutiveFailureLimit,
      },
      operatorId,
    );
  }

  @Get('downstream-requeue-tasks')
  listDownstreamRequeueTasks(
    @Query('status') status?: string,
    @Query('page') page?: string,
    @Query('pageSize') pageSize?: string,
  ) {
    return this.sendChain.listDownstreamRequeueTasks({ status, page: Number(page), pageSize: Number(pageSize) });
  }

  @Get('downstream-requeue-tasks/:id')
  getDownstreamRequeueTask(@Param('id') id: string) {
    return this.sendChain.getDownstreamRequeueTask(id);
  }

  @Get('downstream-requeue-tasks/:id/items')
  listDownstreamRequeueTaskItems(
    @Param('id') id: string,
    @Query('status') status?: string,
    @Query('keyword') keyword?: string,
    @Query('page') page?: string,
    @Query('pageSize') pageSize?: string,
  ) {
    return this.sendChain.listDownstreamRequeueTaskItems(id, {
      status,
      keyword,
      page: Number(page),
      pageSize: Number(pageSize),
    });
  }

  @Post('downstream-requeue-tasks/:id/:action')
  changeDownstreamRequeueTaskStatus(
    @Param('id') id: string,
    @Param('action') action: 'pause' | 'resume' | 'terminate',
    @CurrentSessionUserId() operatorId?: string,
  ) {
    return this.sendChain.changeDownstreamRequeueTaskStatus(id, action, operatorId);
  }
}

@ApiTags('admin-system-logs')
@Controller('admin/system-logs')
export class AdminSystemLogsController {
  constructor(
    private readonly operations: OperationsService,
    private readonly protocolLogs: ProtocolLogsService,
  ) {}

  @Get('protocol-interactions')
  protocolInteractions(
    @Query('protocol') protocol?: string,
    @Query('direction') direction?: string,
    @Query('eventType') eventType?: string,
    @Query('status') status?: string,
    @Query('keyword') keyword?: string,
    @Query('range') range?: string,
    @Query('createdAtFrom') createdAtFrom?: string,
    @Query('createdAtTo') createdAtTo?: string,
    @Query('page') page?: string,
    @Query('pageSize') pageSize?: string,
  ) {
    return this.protocolLogs.list({
      protocol,
      direction,
      eventType,
      status,
      keyword,
      range,
      createdAtFrom,
      createdAtTo,
      page: Number(page),
      pageSize: Number(pageSize),
    });
  }

  @Get()
  list(
    @Query('tenantId') tenantId?: string,
    @Query('userId') userId?: string,
    @Query('keyword') keyword?: string,
    @Query('level') level?: string,
    @Query('module') module?: string,
    @Query('range') range?: string,
    @Query('createdAtFrom') createdAtFrom?: string,
    @Query('createdAtTo') createdAtTo?: string,
    @Query('page') page?: string,
    @Query('pageSize') pageSize?: string,
  ) {
    return this.operations.systemLogs({
      tenantId,
      userId,
      keyword,
      level,
      module,
      range,
      createdAtFrom,
      createdAtTo,
      page: Number(page),
      pageSize: Number(pageSize),
    });
  }

  @Post('exports')
  export(
    @Body()
    body: {
      tenantId?: string;
      userId?: string;
      keyword?: string;
      level?: string;
      module?: string;
      range?: string;
      createdAtFrom?: string;
      createdAtTo?: string;
    },
  ) {
    return this.operations.exportSystemLogs(body);
  }
}