import {
  IsString,
  IsNotEmpty,
  IsOptional,
  IsNumber,
  Min,
  IsDateString,
  IsEnum,
  IsArray,
  ValidateNested,
} from 'class-validator';
import { ApiProperty } from '@nestjs/swagger';
import { Type } from 'class-transformer';
import { AppointmentStatus } from '../../../common/enums';

export class CreateAppointmentDto {
  @ApiProperty({ description: '小组ID' })
  @IsString()
  @IsNotEmpty({ message: '小组ID不能为空' })
  groupId: string;

  @ApiProperty({ description: '游戏ID' })
  @IsString()
  @IsNotEmpty({ message: '游戏ID不能为空' })
  gameId: string;

  @ApiProperty({ description: '预约标题' })
  @IsString()
  @IsNotEmpty({ message: '预约标题不能为空' })
  title: string;

  @ApiProperty({ description: '预约描述', required: false })
  @IsString()
  @IsOptional()
  description?: string;

  @ApiProperty({ description: '预约开始时间' })
  @IsDateString()
  startTime: Date;

  @ApiProperty({ description: '预约结束时间', required: false })
  @IsDateString()
  @IsOptional()
  endTime?: Date;

  @ApiProperty({ description: '最大参与人数', example: 5 })
  @IsNumber()
  @Min(1)
  @Type(() => Number)
  maxParticipants: number;
}

export class UpdateAppointmentDto {
  @ApiProperty({ description: '预约标题', required: false })
  @IsString()
  @IsOptional()
  title?: string;

  @ApiProperty({ description: '预约描述', required: false })
  @IsString()
  @IsOptional()
  description?: string;

  @ApiProperty({ description: '预约开始时间', required: false })
  @IsDateString()
  @IsOptional()
  startTime?: Date;

  @ApiProperty({ description: '预约结束时间', required: false })
  @IsDateString()
  @IsOptional()
  endTime?: Date;

  @ApiProperty({ description: '最大参与人数', required: false })
  @IsNumber()
  @Min(1)
  @IsOptional()
  @Type(() => Number)
  maxParticipants?: number;

  @ApiProperty({ description: '状态', enum: AppointmentStatus, required: false })
  @IsEnum(AppointmentStatus)
  @IsOptional()
  status?: AppointmentStatus;
}

export class JoinAppointmentDto {
  @ApiProperty({ description: '预约ID' })
  @IsString()
  @IsNotEmpty({ message: '预约ID不能为空' })
  appointmentId: string;
}

export class QueryAppointmentsDto {
  @ApiProperty({ description: '小组ID', required: false })
  @IsString()
  @IsOptional()
  groupId?: string;

  @ApiProperty({ description: '游戏ID', required: false })
  @IsString()
  @IsOptional()
  gameId?: string;

  @ApiProperty({ description: '状态', enum: AppointmentStatus, required: false })
  @IsEnum(AppointmentStatus)
  @IsOptional()
  status?: AppointmentStatus;

  @ApiProperty({ description: '开始时间', required: false })
  @IsDateString()
  @IsOptional()
  startTime?: Date;

  @ApiProperty({ description: '结束时间', required: false })
  @IsDateString()
  @IsOptional()
  endTime?: Date;

  @ApiProperty({ description: '页码', example: 1, required: false })
  @IsNumber()
  @Min(1)
  @IsOptional()
  @Type(() => Number)
  page?: number;

  @ApiProperty({ description: '每页数量', example: 10, required: false })
  @IsNumber()
  @Min(1)
  @IsOptional()
  @Type(() => Number)
  limit?: number;
}

export class PollOptionDto {
  @ApiProperty({ description: '选项时间' })
  @IsDateString()
  time: Date;

  @ApiProperty({ description: '选项描述', required: false })
  @IsString()
  @IsOptional()
  description?: string;
}

export class CreatePollDto {
  @ApiProperty({ description: '小组ID' })
  @IsString()
  @IsNotEmpty({ message: '小组ID不能为空' })
  groupId: string;

  @ApiProperty({ description: '游戏ID' })
  @IsString()
  @IsNotEmpty({ message: '游戏ID不能为空' })
  gameId: string;

  @ApiProperty({ description: '投票标题' })
  @IsString()
  @IsNotEmpty({ message: '投票标题不能为空' })
  title: string;

  @ApiProperty({ description: '投票描述', required: false })
  @IsString()
  @IsOptional()
  description?: string;

  @ApiProperty({ description: '投票选项', type: [PollOptionDto] })
  @IsArray()
  @ValidateNested({ each: true })
  @Type(() => PollOptionDto)
  options: PollOptionDto[];

  @ApiProperty({ description: '投票截止时间' })
  @IsDateString()
  deadline: Date;
}

export class VoteDto {
  @ApiProperty({ description: '投票ID' })
  @IsString()
  @IsNotEmpty({ message: '投票ID不能为空' })
  pollId: string;

  @ApiProperty({ description: '选项索引' })
  @IsNumber()
  @Min(0)
  @Type(() => Number)
  optionIndex: number;
}