import {
  Controller,
  Get,
  Query,
  Post,
  Body,
  Req,
  UseGuards,
} from '@nestjs/common';
import { WorkflowMetaService } from '../service/workflow-meta.service';
import { StageMovementData } from '../entity/stage-movement-data.entity';
import { JwtAuthGuard } from 'src/module/auth/guards/jwt.guard';

@Controller('workflow-meta')
@UseGuards(JwtAuthGuard)
export class WorkflowMetaController {
  constructor(private readonly workflowMetaService: WorkflowMetaService) {}

  /**
   * GET /meta/current-stage?entityType=...&entityId=...
   */
  @Get('current-stage')
  async getCurrentStage(
    @Query('entityType') mapped_entity_type: string,
    @Query('entityId') mapped_entity_id: number,
    @Req() req: Request & { user: any },
  ): Promise<StageMovementData | null> {
    const loggedInUser = req.user.userData;

    return this.workflowMetaService.getCurrentStage(
      mapped_entity_type,
      Number(mapped_entity_id),
      loggedInUser,
    );
  }

  /**
   * GET /meta/next-stage?entityType=...&entityId=...
   */
  @Get('next-stage')
  async getNextStage(
    @Query('entityType') mapped_entity_type: string,
    @Query('entityId') mapped_entity_id: number,
    @Req() req: Request & { user: any },
  ): Promise<number | null> {
    const loggedInUser = req.user.userData;
    const current = await this.workflowMetaService.getCurrentStage(
      mapped_entity_type,
      Number(mapped_entity_id),
      loggedInUser,
    );
    return current ? this.workflowMetaService.getNextStage(current) : null;
  }

  /**
   * POST /meta/move-next-stage
   * {
   *   "entityType": "lead",
   *   "entityId": 101,
   *   "currentUserId": 5
   * }
   */
  @Post('move-next-stage')
  async moveToNextStage(
    @Body('entityType') mapped_entity_type: string,
    @Body('entityId') mapped_entity_id: number,
    @Body('reason_code') reason_code: string,
    @Body('remark') remark: string,
    @Req() req: Request & { user: any },
  ): Promise<string> {
    const loggedInUser = req.user.userData;
    return this.workflowMetaService.moveToNextStage(
      mapped_entity_type,
      Number(mapped_entity_id),
      loggedInUser,
      reason_code,
      remark,
    );
  }
}