import { Type } from 'class-transformer';
import { IsEnum, IsIn, IsInt, IsOptional, IsString, IsDateString, IsUUID, Min, IsBoolean, MaxLength } from 'class-validator';

export enum AttendanceMode {
  ON_SITE = 'ON_SITE',
  ONLINE = 'ONLINE',
}

export enum MeetingType {
  OFFLINE = 'OFFLINE',
  ONLINE = 'ONLINE',
  HYBRID = 'HYBRID',
}

export enum MeetingStatus {
  SCHEDULED = 'SCHEDULED',
  IN_PROGRESS = 'IN_PROGRESS',
  COMPLETED = 'COMPLETED',
  CANCELLED = 'CANCELLED',
}

export class MeetingListQueryDto {
  @IsOptional()
  @Type(() => Number)
  @IsInt()
  @Min(1)
  page?: number;

  @IsOptional()
  @Type(() => Number)
  @IsInt()
  @Min(1)
  limit?: number;

  @IsOptional()
  @IsString()
  status?: string;

  @IsOptional()
  @IsString()
  anchor?: string;
}

export class CreateMeetingDto {
  @IsString()
  title!: string;

  @IsOptional()
  @IsString()
  description?: string;

  @IsDateString()
  startTime!: string;

  @IsDateString()
  endTime!: string;

  @IsOptional()
  @IsString()
  location?: string;

  @IsOptional()
  @IsEnum(MeetingType)
  type?: MeetingType;

  @IsOptional()
  @IsString()
  timezone?: string;

  @IsOptional()
  @IsString()
  @MaxLength(100)
  city?: string;

  @IsOptional()
  @IsBoolean()
  enforceCheckinMode?: boolean;
}

export class UpdateMeetingDto {
  @IsOptional()
  @IsString()
  title?: string;

  @IsOptional()
  @IsString()
  description?: string;

  @IsOptional()
  @IsDateString()
  startTime?: string;

  @IsOptional()
  @IsDateString()
  endTime?: string;

  @IsOptional()
  @IsString()
  location?: string;

  @IsOptional()
  @IsEnum(MeetingType)
  type?: MeetingType;

  @IsOptional()
  @IsEnum(MeetingStatus)
  status?: MeetingStatus;

  @IsOptional()
  @IsString()
  timezone?: string;

  @IsOptional()
  @IsString()
  @MaxLength(100)
  city?: string;

  @IsOptional()
  @IsBoolean()
  enforceCheckinMode?: boolean;
}

export class UpdateMeetingEnforceCheckinModeDto {
  @IsBoolean()
  enforceCheckinMode!: boolean;
}

export class UpdateRequiredAttendeeCheckinModeDto {
  @IsOptional()
  @IsEnum(AttendanceMode)
  checkinMode?: AttendanceMode | null;
}

export class RemoveRequiredAttendeeDto {
  @IsString()
  userId!: string;

  @IsOptional()
  @IsBoolean()
  deleteAttendance?: boolean;
}