import {
  Controller,
  Get,
  Post,
  Put,
  Delete,
  Body,
  Param,
  Headers,
  UseGuards,
  Query,
} from '@nestjs/common';
import { WorkflowBuilderService } from './workflow-builder.service';
import { CanAccessModuleGuard } from '../../common/guards/module-access.guard';
import { RequireModule } from '../../common/decorators/require-module.decorator';

class CreateWorkflowDto {
  name: string;
  description?: string;
  nodes: any[];
  edges: any[];
  isActive?: boolean;
}

class UpdateWorkflowDto {
  name?: string;
  description?: string;
  nodes?: any[];
  edges?: any[];
  isActive?: boolean;
}

@Controller('workflows')
@UseGuards(CanAccessModuleGuard)
export class WorkflowBuilderController {
  constructor(private readonly service: WorkflowBuilderService) {}

  @Get()
  @RequireModule('INTEGRATIONS')
  async list(@Headers('x-tenant-id') tenantId: string) {
    return this.service.listWorkflows(tenantId);
  }

  @Get(':id')
  @RequireModule('INTEGRATIONS')
  async get(@Headers('x-tenant-id') tenantId: string, @Param('id') id: string) {
    return this.service.getWorkflow(tenantId, id);
  }

  @Post()
  @RequireModule('INTEGRATIONS')
  async create(
    @Headers('x-tenant-id') tenantId: string,
    @Body() dto: CreateWorkflowDto,
  ) {
    return this.service.createWorkflow(tenantId, dto);
  }

  @Put(':id')
  @RequireModule('INTEGRATIONS')
  async update(
    @Headers('x-tenant-id') tenantId: string,
    @Param('id') id: string,
    @Body() dto: UpdateWorkflowDto,
  ) {
    return this.service.updateWorkflow(tenantId, id, dto);
  }

  @Delete(':id')
  @RequireModule('INTEGRATIONS')
  async remove(
    @Headers('x-tenant-id') tenantId: string,
    @Param('id') id: string,
  ) {
    return this.service.deleteWorkflow(tenantId, id);
  }

  @Post(':id/execute')
  @RequireModule('INTEGRATIONS')
  async execute(
    @Headers('x-tenant-id') tenantId: string,
    @Param('id') id: string,
  ) {
    return this.service.executeWorkflow(tenantId, id);
  }

  @Get('templates/list')
  @RequireModule('INTEGRATIONS')
  async templates() {
    return this.service.getTemplates();
  }

  @Get(':id/logs')
  @RequireModule('INTEGRATIONS')
  async logs(
    @Headers('x-tenant-id') tenantId: string,
    @Param('id') id: string,
    @Query('limit') limit?: string,
  ) {
    return this.service.getExecutionLogs(tenantId, id, parseInt(limit || '20'));
  }
}