import { BadRequestException, Body, Controller, Get, Param, Post, Query } from '@nestjs/common';
import { ApiTags } from '@nestjs/swagger';
import { TenantId } from '../common/tenant-id.decorator';
import { ConfirmImportDto, CreateBatchTaskDto, ImportPreviewDto, SendChainService } from './send-chain.service';

@ApiTags('client-send-chain')
@Controller('client/send')
export class ClientSendChainController {
  constructor(private readonly sendChain: SendChainService) {}

  @Post('batch-tasks')
  createBatchTask(@Body() body: CreateBatchTaskDto) {
    return this.sendChain.createBatchTask(body);
  }

  @Post('imports/preview')
  previewImport(@Body() body: ImportPreviewDto) {
    return this.sendChain.previewImport(body);
  }

  @Post('imports/confirm')
  confirmImport(@Body() body: ConfirmImportDto) {
    return this.sendChain.confirmImport(body);
  }

  @Get('batch-tasks')
  listBatchTasks(@TenantId() tenantId?: string, @Query('status') status?: string) {
    return this.sendChain.listBatchTasks(requireTenantId(tenantId), status, 'client');
  }

  @Get('batch-tasks/:id')
  getBatchTask(@TenantId() tenantId: string | undefined, @Param('id') taskId: string) {
    return this.sendChain.getBatchTask(taskId, requireTenantId(tenantId), 'client');
  }

  @Get('batch-tasks/:id/messages')
  listTaskMessages(@TenantId() tenantId: string | undefined, @Param('id') taskId: string) {
    return this.sendChain.listClientTaskMessages(taskId, requireTenantId(tenantId));
  }

  @Post('batch-tasks/:id/cancel')
  cancelBatchTask(@TenantId() tenantId: string | undefined, @Param('id') taskId: string) {
    return this.sendChain.cancelBatchTask(taskId, requireTenantId(tenantId), 'client');
  }
}

function requireTenantId(tenantId?: string) {
  if (!tenantId) {
    throw new BadRequestException('Tenant context is required');
  }
  return tenantId;
}