import {
  IsNotEmpty,
  IsNumber,
  IsString,
  IsObject,
  IsOptional,
  IsIn,
  IsBoolean,
  IsArray,
  ValidateNested,
} from 'class-validator';
import { Type } from 'class-transformer';

export class CreateConfigDto {
  @IsNotEmpty()
  @IsNumber()
  levelId: number;

  @IsNotEmpty()
  @IsString()
  levelType: string;

  @IsNotEmpty()
  @IsString()
  app_code: string;

  @IsNotEmpty()
  @IsString()
  integration_type: string;

  @IsNotEmpty()
  @IsString()
  integration_provider: string;

  @IsNotEmpty()
  @IsNumber()
  integration_source_id: number;

  @IsNotEmpty()
  @IsObject()
  config: {
    // OAuth Control
    useOAuth?: boolean; // Set to true to force OAuth flow even if tokens are provided

    // Gmail API Config
    clientId?: string;
    clientSecret?: string;
    refreshToken?: string;
    accessToken?: string;

    // Outlook API Config
    tenantId?: string;

    // WhatsApp Config
    phoneNumberId?: string;
    apiVersion?: string;

    // Twilio Config
    accountSid?: string;
    authToken?: string;
    fromNumber?: string;

    // AWS SES Config
    accessKeyId?: string;
    secretAccessKey?: string;
    region?: string;
    fromEmail?: string;

    // SMTP Config (Gmail, Outlook, Generic)
    email?: string;
    password?: string;
    host?: string;
    port?: number;
    secure?: boolean;
    user?: string;
    from?: string;
    tls?: any;

    // SendGrid SMTP Config
    apiKey?: string;
    templateId?: string;
    dynamicTemplateData?: any;

    // Knowlarity Config
    callerNumber?: string;
    apiSecret?: string;
    baseUrl?: string;
    callType?: 'voice' | 'sms';
    voiceMessage?: string;
    language?: string;

    // Common optional fields
    [key: string]: any;
  };

  @IsOptional()
  @IsNumber()
  priority?: number;

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

export class UpdateConfigStatusDto {
  @IsNotEmpty()
  @IsNumber()
  status: number;
}

export class UpdateConfigDto {
  @IsOptional()
  @IsObject()
  config?: {
    // OAuth Control
    useOAuth?: boolean;

    // Gmail API Config
    clientId?: string;
    clientSecret?: string;
    refreshToken?: string;
    accessToken?: string;

    // Outlook API Config
    tenantId?: string;

    // WhatsApp Config
    phoneNumberId?: string;
    apiVersion?: string;

    // Twilio Config
    accountSid?: string;
    authToken?: string;
    fromNumber?: string;

    // AWS SES Config
    accessKeyId?: string;
    secretAccessKey?: string;
    region?: string;
    fromEmail?: string;

    // SMTP Config (Gmail, Outlook, Generic)
    email?: string;
    password?: string;
    host?: string;
    port?: number;
    secure?: boolean;
    user?: string;
    from?: string;
    tls?: any;

    // SendGrid SMTP Config
    apiKey?: string;
    templateId?: string;
    dynamicTemplateData?: any;

    // Knowlarity Config
    callerNumber?: string;
    apiSecret?: string;
    baseUrl?: string;
    callType?: 'voice' | 'sms';
    voiceMessage?: string;
    language?: string;

    // Common optional fields
    [key: string]: any;
  };

  @IsOptional()
  @IsNumber()
  priority?: number;

  @IsOptional()
  @IsBoolean()
  is_default?: boolean;

  @IsOptional()
  @IsNumber()
  status?: number;
}

export class GenericSendMessageDto {
  @IsNotEmpty()
  @IsNumber()
  levelId: number;

  @IsNotEmpty()
  @IsString()
  levelType: string;

  @IsNotEmpty()
  @IsString()
  app_code: string;

  @IsNotEmpty()
  to: string | string[];

  @IsNotEmpty()
  @IsString()
  message: string;

  @IsOptional()
  @IsNumber()
  user_id?: number;

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

  @IsOptional()
  @IsIn(['EMAIL', 'SMS', 'WA', 'TELEPHONE'])
  type?: 'EMAIL' | 'SMS' | 'WA' | 'TELEPHONE';

  @IsOptional()
  @IsIn(['high', 'medium', 'low'])
  priority?: 'high' | 'medium' | 'low';

  @IsOptional()
  cc?: string | string[];

  @IsOptional()
  bcc?: string | string[];

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

  @IsOptional()
  attachments?: any[];

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

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

  @IsOptional()
  @IsObject()
  variables?: Record<string, any>;
}

export class BulkMessageDto {
  @IsNotEmpty()
  @IsNumber()
  levelId: number;

  @IsNotEmpty()
  @IsString()
  levelType: string;

  @IsNotEmpty()
  @IsString()
  app_code: string;

  @IsNotEmpty()
  recipients: string[];

  @IsNotEmpty()
  @IsString()
  message: string;

  @IsOptional()
  @IsNumber()
  user_id?: number;

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

  @IsOptional()
  @IsIn(['EMAIL', 'SMS', 'WA', 'TELEPHONE'])
  type?: 'EMAIL' | 'SMS' | 'WA' | 'TELEPHONE';

  @IsOptional()
  @IsIn(['high', 'medium', 'low'])
  priority?: 'high' | 'medium' | 'low';

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

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

  @IsOptional()
  @IsObject()
  variables?: Record<string, any>;

  @IsOptional()
  @IsNumber()
  batchSize?: number;
}

export class GmailOAuthInitDto {
  @IsNotEmpty()
  @IsNumber()
  levelId: number;

  @IsNotEmpty()
  @IsString()
  levelType: string;

  @IsNotEmpty()
  @IsString()
  app_code: string;

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

export class OAuthCallbackDto {
  @IsNotEmpty()
  @IsString()
  code: string;

  @IsNotEmpty()
  @IsString()
  state: string;
}

export class OutlookOAuthInitDto {
  @IsNotEmpty()
  @IsNumber()
  levelId: number;

  @IsNotEmpty()
  @IsString()
  levelType: string;

  @IsNotEmpty()
  @IsString()
  app_code: string;

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

export class SendGridVerifiedSendersDto {
  @IsNotEmpty()
  @IsString()
  apiKey: string;
}

export class SendGridTemplatesDto {
  @IsNotEmpty()
  @IsNumber()
  levelId: number;

  @IsNotEmpty()
  @IsString()
  levelType: string;

  @IsNotEmpty()
  @IsString()
  app_code: string;
}

export class GetIntegrationTemplatesDto {
  @IsNotEmpty()
  @IsNumber()
  levelId: number;

  @IsNotEmpty()
  @IsString()
  levelType: string;

  @IsNotEmpty()
  @IsString()
  app_code: string;

  @IsNotEmpty()
  @IsString()
  integration_type: 'EMAIL' | 'SMS' | 'WA' | 'TELEPHONE';
}

export class VerifiedSenderDto {
  @IsString()
  label: string;

  @IsString()
  value: string;
}

export class TemplateDto {
  @IsString()
  id: string;

  @IsString()
  name: string;

  @IsString()
  generation: string;
}

export class VerifiedSendersResponseDto {
  @IsBoolean()
  success: boolean;

  @IsOptional()
  data?: VerifiedSenderDto[];

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

export class TemplatesResponseDto {
  @IsBoolean()
  success: boolean;

  @IsOptional()
  data?: TemplateDto[];

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

export class CreateUserIntegrationDto {
  @IsNotEmpty()
  @IsNumber()
  user_id: number;

  @IsNotEmpty()
  @IsNumber()
  integration_config_id: number;

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

  @IsOptional()
  @IsObject()
  external_user_data?: {
    // Ozonetel agent mapping (admin creds like userName, campaignName stay in config)
    agentId?: string;
    agentEmail?: string;
    agentPhone?: string;

    // Tubelight agent mapping (admin creds like userName/password stay in config)
    agentNumber?: string;
    extension?: string;
    department?: string;

    // Common agent fields (no admin credentials stored here)
    displayName?: string;
    role?: string;
    skillLevel?: string;
    metadata?: any;
    [key: string]: any;
  };

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

export class UpdateUserIntegrationDto {
  @IsOptional()
  @IsString()
  external_user_id?: string;

  @IsOptional()
  @IsObject()
  external_user_data?: {
    // Ozonetel agent mapping (admin creds like userName, campaignName stay in config)
    agentId?: string;
    agentEmail?: string;
    agentPhone?: string;

    // Tubelight agent mapping (admin creds like userName/password stay in config)
    agentNumber?: string;
    extension?: string;
    department?: string;

    // Common agent fields (no admin credentials stored here)
    displayName?: string;
    role?: string;
    skillLevel?: string;
    metadata?: any;
    [key: string]: any;
  };

  @IsOptional()
  @IsNumber()
  status?: number;

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

export class CheckAgentStatusDto {
  @IsNotEmpty()
  @IsNumber()
  levelId: number;

  @IsNotEmpty()
  @IsString()
  levelType: string;

  @IsNotEmpty()
  @IsString()
  app_code: string;

  @IsNotEmpty()
  @IsNumber()
  user_id: number;

  @IsOptional()
  @IsIn(['TELEPHONE'])
  type?: 'TELEPHONE';
}

export class BulkCreateUserIntegrationDto {
  @IsNotEmpty()
  @IsArray()
  @ValidateNested({ each: true })
  @Type(() => CreateUserIntegrationDto)
  user_integrations: CreateUserIntegrationDto[];
}