import { ApiProperty } from '@nestjs/swagger';
import {
  ArrayMinSize,
  IsArray,
  IsBoolean,
  IsDateString,
  IsNotEmpty,
  IsOptional,
  IsString,
  Length,
  MinLength,
} from 'class-validator';

import { AnnouncementMessage } from '../../../common/enums/message.enum';

export class CreateAnnouncementDto {
  @IsNotEmpty({ message: AnnouncementMessage.TITLE_IS_REQUIRED })
  @IsString({ message: AnnouncementMessage.TITLE_STRING })
  @Length(5, 100, { message: AnnouncementMessage.TITLE_LENGTH })
  @ApiProperty({ description: 'Title of the announcement', example: 'اطلاعیه جدید' })
  title!: string;

  @IsNotEmpty({ message: AnnouncementMessage.CONTENT_IS_REQUIRED })
  @IsString({ message: AnnouncementMessage.CONTENT_IS_STRING })
  @MinLength(10, { message: AnnouncementMessage.CONTENT_MUST_BE_LONGER })
  @ApiProperty({ description: 'Content of the announcement', example: 'اطلاعیه جدید برای کاربران' })
  content!: string;

  @IsOptional()
  @IsDateString({}, { message: AnnouncementMessage.PUBLISH_AT_MUST_BE_DATE })
  @ApiProperty({ description: 'Publish date of the announcement', example: '2025-02-25T10:00:00Z' })
  publishAt?: string;

  @IsOptional()
  @IsBoolean({ message: AnnouncementMessage.IMPORTANT_MUST_BE_BOOLEAN })
  @ApiProperty({ description: 'Is this announcement important?', example: false })
  isImportant?: boolean;

  @IsOptional()
  @ArrayMinSize(1)
  @IsArray({ message: AnnouncementMessage.USER_IDS_MUST_BE_ARRAY })
  @IsString({ each: true, message: AnnouncementMessage.USER_MUST_BE_UUID })
  @ApiProperty({
    type: [String],
    description: 'Array of user ids to send announcement to (if empty, sends to all users)',
    example: [],
  })
  userIds?: string[];
}