import {
  IsString,
  IsEmail,
  IsOptional,
  IsEnum,
  IsInt,
  IsUUID,
  IsObject,
  MaxLength,
  Min,
  Max,
  IsNumber,
} from 'class-validator';
import { LeadStatus, LeadSource } from '../entities';

export class CreateLeadDto {
  @IsString()
  @MaxLength(100)
  firstName: string;

  @IsString()
  @MaxLength(100)
  lastName: string;

  @IsEmail()
  @IsOptional()
  email?: string;

  @IsString()
  @MaxLength(50)
  @IsOptional()
  phone?: string;

  @IsString()
  @MaxLength(200)
  @IsOptional()
  company?: string;

  @IsString()
  @MaxLength(150)
  @IsOptional()
  jobTitle?: string;

  @IsString()
  @MaxLength(255)
  @IsOptional()
  website?: string;

  @IsEnum(LeadSource)
  @IsOptional()
  source?: LeadSource;

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

  @IsInt()
  @Min(0)
  @Max(100)
  @IsOptional()
  score?: number;

  @IsUUID()
  @IsOptional()
  assignedTo?: string;

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

  @IsString()
  @MaxLength(255)
  @IsOptional()
  addressLine1?: string;

  @IsString()
  @MaxLength(255)
  @IsOptional()
  addressLine2?: string;

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

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

  @IsString()
  @MaxLength(20)
  @IsOptional()
  postalCode?: string;

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

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

export class UpdateLeadDto {
  @IsString()
  @MaxLength(100)
  @IsOptional()
  firstName?: string;

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

  @IsEmail()
  @IsOptional()
  email?: string;

  @IsString()
  @MaxLength(50)
  @IsOptional()
  phone?: string;

  @IsString()
  @MaxLength(200)
  @IsOptional()
  company?: string;

  @IsString()
  @MaxLength(150)
  @IsOptional()
  jobTitle?: string;

  @IsString()
  @MaxLength(255)
  @IsOptional()
  website?: string;

  @IsEnum(LeadSource)
  @IsOptional()
  source?: LeadSource;

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

  @IsInt()
  @Min(0)
  @Max(100)
  @IsOptional()
  score?: number;

  @IsUUID()
  @IsOptional()
  assignedTo?: string;

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

  @IsString()
  @MaxLength(255)
  @IsOptional()
  addressLine1?: string;

  @IsString()
  @MaxLength(255)
  @IsOptional()
  addressLine2?: string;

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

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

  @IsString()
  @MaxLength(20)
  @IsOptional()
  postalCode?: string;

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

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

export class ConvertLeadDto {
  @IsString()
  @MaxLength(255)
  @IsOptional()
  opportunityName?: string;

  @IsNumber()
  @Min(0)
  @IsOptional()
  amount?: number;

  @IsOptional()
  expectedCloseDate?: string;
}

export class LeadResponseDto {
  id: string;
  tenantId: string;
  firstName: string;
  lastName: string;
  fullName: string;
  email: string | null;
  phone: string | null;
  company: string | null;
  jobTitle: string | null;
  website: string | null;
  source: LeadSource;
  status: LeadStatus;
  score: number;
  assignedTo: string | null;
  notes: string | null;
  convertedAt: Date | null;
  convertedToOpportunityId: string | null;
  addressLine1: string | null;
  addressLine2: string | null;
  city: string | null;
  state: string | null;
  postalCode: string | null;
  country: string | null;
  customFields: Record<string, any>;
  createdAt: Date;
  updatedAt: Date;
  createdBy: string | null;
}

export class LeadListQueryDto {
  @IsEnum(LeadStatus)
  @IsOptional()
  status?: LeadStatus;

  @IsEnum(LeadSource)
  @IsOptional()
  source?: LeadSource;

  @IsUUID()
  @IsOptional()
  assignedTo?: string;

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

  @IsOptional()
  page?: number;

  @IsOptional()
  limit?: number;
}

export class PaginatedLeadsDto {
  items: LeadResponseDto[];
  total: number;
  page: number;
  limit: number;
  totalPages: number;
}