import {
  Body,
  Controller,
  Delete,
  Get,
  Param,
  Patch,
  Post,
  UseGuards,
} from '@nestjs/common';
import {
  IsArray,
  IsIn,
  IsOptional,
  IsString,
  MaxLength,
  MinLength,
} from 'class-validator';
import { CUSTOMER_GROUP_COLORS, type CustomerGroupColor } from '@mento/shared';
import { JwtAuthGuard } from '../auth/jwt-auth.guard';
import { RolesGuard } from '../auth/roles.guard';
import { Roles } from '../auth/roles.decorator';
import { CurrentUser } from '../auth/current-user.decorator';
import type { Actor } from '../common/record-scope';
import { CustomerGroupsService } from './customer-groups.service';

class CreateCustomerGroupDto {
  @IsString()
  @MinLength(1)
  @MaxLength(80)
  name!: string;

  @IsOptional()
  @IsIn([...CUSTOMER_GROUP_COLORS])
  color?: CustomerGroupColor;

  @IsOptional()
  @IsArray()
  @IsString({ each: true })
  assigneeIds?: string[];
}

class UpdateCustomerGroupDto {
  @IsOptional()
  @IsString()
  @MinLength(1)
  @MaxLength(80)
  name?: string;

  @IsOptional()
  @IsIn([...CUSTOMER_GROUP_COLORS])
  color?: CustomerGroupColor;

  /** null گروه را اصلی می‌کند */
  @IsOptional()
  @IsString()
  parentId?: string | null;

  @IsOptional()
  @IsArray()
  @IsString({ each: true })
  assigneeIds?: string[];
}

@Controller('customer-groups')
@UseGuards(JwtAuthGuard, RolesGuard)
export class CustomerGroupsController {
  constructor(private readonly groups: CustomerGroupsService) {}

  @Get()
  list(@CurrentUser() user: Actor) {
    return this.groups.list(user.organizationId);
  }

  @Post()
  @Roles('owner', 'admin')
  create(@CurrentUser() user: Actor, @Body() dto: CreateCustomerGroupDto) {
    return this.groups.create(user.organizationId, dto);
  }

  @Patch(':id')
  @Roles('owner', 'admin')
  update(
    @CurrentUser() user: Actor,
    @Param('id') id: string,
    @Body() dto: UpdateCustomerGroupDto,
  ) {
    return this.groups.update(user.organizationId, id, dto);
  }

  @Delete(':id')
  @Roles('owner', 'admin')
  async remove(@CurrentUser() user: Actor, @Param('id') id: string) {
    await this.groups.remove(user.organizationId, id);
    return { ok: true };
  }
}