import { Controller, Get, Post, Body, Patch, Param, Delete, Query, UseGuards } from '@nestjs/common';
import { ApiBearerAuth, ApiTags, ApiParam, ApiQuery } from '@nestjs/swagger';
import { ChangeEquipmentStatusService } from './change-equipment-status.service';
import { CreateChangeEquipmentStatusDto } from './dto/create-change-equipment-status.dto';
import { UpdateChangeEquipmentStatusDto } from './dto/update-change-equipment-status.dto';
import { JwtAuthGuard } from '../auth/jwt-auth.guard';
import { EquipmentStatus } from '@prisma/client';

const parseJson = <T>(value?: string): T | undefined => {
  if (!value) return undefined;
  try { return JSON.parse(value) as T; } catch { return undefined; }
};

@ApiTags('change-equipment-status')
@ApiBearerAuth()
@UseGuards(JwtAuthGuard)
@Controller('change-equipment-status')
export class ChangeEquipmentStatusController {
  constructor(private readonly changeEquipmentStatusService: ChangeEquipmentStatusService) {}

  @Get()
  findAll(
    @Query('skip') skip?: string,
    @Query('take') take?: string,
    @Query('orderBy') orderBy?: string,
    @Query('where') where?: string,
  ) {
    return this.changeEquipmentStatusService.findAll({
      skip: skip ? Number(skip) : 0,
      take: take ? Number(take) : 25,
      orderBy: parseJson(orderBy),
      where: parseJson(where),
    });
  }

  @Get(':id')
  @ApiParam({ name: 'id', type: String, description: 'Идентификатор документа изменения статуса' })
  findOne(@Param('id') id: string) {
    return this.changeEquipmentStatusService.findOne({ id });
  }

  // Special endpoint for composite key lookup (equipmentId + newStatus)
  @Get('by-composite/:equipmentId/:newStatus')
  @ApiParam({ name: 'equipmentId', type: String, description: 'Оборудование' })
  @ApiParam({ name: 'newStatus', enum: EquipmentStatus, enumName: 'EquipmentStatus', description: 'Новый статус' })
  findByCompositeKey(
    @Param('equipmentId') equipmentId: string,
    @Param('newStatus') newStatus: EquipmentStatus,
  ) {
    return this.changeEquipmentStatusService.findByCompositeKey(equipmentId, newStatus);
  }

  @Post()
  create(@Body() dto: CreateChangeEquipmentStatusDto) {
    return this.changeEquipmentStatusService.create(dto);
  }

  @Patch(':id')
  @ApiParam({ name: 'id', type: String, description: 'Идентификатор документа изменения статуса' })
  update(@Param('id') id: string, @Body() dto: UpdateChangeEquipmentStatusDto) {
    return this.changeEquipmentStatusService.update({ where: { id }, data: dto });
  }

  @Delete(':id')
  @ApiParam({ name: 'id', type: String, description: 'Идентификатор документа изменения статуса' })
  remove(@Param('id') id: string) {
    return this.changeEquipmentStatusService.remove({ id });
  }

  // Special endpoint for composite key deletion (equipmentId + newStatus)
  @Delete('by-composite/:equipmentId/:newStatus')
  @ApiParam({ name: 'equipmentId', type: String, description: 'Оборудование' })
  @ApiParam({ name: 'newStatus', enum: EquipmentStatus, enumName: 'EquipmentStatus', description: 'Новый статус' })
  removeByCompositeKey(
    @Param('equipmentId') equipmentId: string,
    @Param('newStatus') newStatus: EquipmentStatus,
  ) {
    return this.changeEquipmentStatusService.findByCompositeKey(equipmentId, newStatus).then(doc => {
      if (doc) {
        return this.changeEquipmentStatusService.remove({ id: doc.id });
      }
      return null;
    });
  }
}