/**
 * UserProfile Domain Entity
 *
 * Represents the authenticated user's profile data.
 * Encapsulates personal information and email verification state.
 *
 * @layer Domain
 */

import { type SupportedLocale, DEFAULT_LOCALE, CompanyType } from '@archer/domain';

interface UserProfileProps {
  id: string;
  email: string;
  firstName: string;
  lastName: string;
  phone?: string;
  locale: SupportedLocale;
  timezone: string;
  emailNotVerified: boolean;
  companyType?: CompanyType;
  isProfileComplete: boolean;
  missingProfileFields: string[];
}

export interface ProfileFormData {
  firstName: string;
  lastName: string;
  phone: string;
  locale: SupportedLocale;
  timezone: string;
}

export class UserProfile {
  private constructor(private readonly props: UserProfileProps) {}

  static fromApi(data: {
    id: string;
    email: string;
    firstName?: string;
    lastName?: string;
    phone?: string;
    locale?: string;
    timezone?: string;
    emailNotVerified?: boolean;
    companyType?: CompanyType;
    isProfileComplete?: boolean;
    missingProfileFields?: string[];
  }): UserProfile {
    return new UserProfile({
      id: data.id,
      email: data.email,
      firstName: data.firstName || '',
      lastName: data.lastName || '',
      phone: data.phone,
      locale: (data.locale as SupportedLocale) || DEFAULT_LOCALE,
      timezone: data.timezone || 'Europe/Berlin',
      emailNotVerified: data.emailNotVerified ?? false,
      companyType: data.companyType,
      isProfileComplete: data.isProfileComplete ?? false,
      missingProfileFields: data.missingProfileFields ?? [],
    });
  }

  get id(): string {
    return this.props.id;
  }

  get email(): string {
    return this.props.email;
  }

  get firstName(): string {
    return this.props.firstName;
  }

  get lastName(): string {
    return this.props.lastName;
  }

  get phone(): string | undefined {
    return this.props.phone;
  }

  get locale(): SupportedLocale {
    return this.props.locale;
  }

  get timezone(): string {
    return this.props.timezone;
  }

  get emailNotVerified(): boolean {
    return this.props.emailNotVerified;
  }

  get emailVerified(): boolean {
    return !this.props.emailNotVerified;
  }

  get displayName(): string {
    const parts = [this.props.firstName, this.props.lastName].filter(Boolean);
    return parts.length > 0 ? parts.join(' ') : this.props.email;
  }

  get initials(): string {
    const parts = [this.props.firstName, this.props.lastName].filter(Boolean);
    if (parts.length === 0) return '?';
    return parts.map((n) => n.charAt(0).toUpperCase()).join('');
  }

  get localeLabel(): string {
    const map: Record<string, string> = { de: 'Deutsch', en: 'English' };
    return map[this.props.locale] || this.props.locale;
  }

  get companyType(): CompanyType | undefined {
    return this.props.companyType;
  }

  get isPersonal(): boolean {
    return this.props.companyType === CompanyType.PERSONAL;
  }

  get isProfileComplete(): boolean {
    return this.props.isProfileComplete;
  }

  get missingProfileFields(): string[] {
    return this.props.missingProfileFields;
  }

  toFormData(): ProfileFormData {
    return {
      firstName: this.props.firstName,
      lastName: this.props.lastName,
      phone: this.props.phone || '',
      locale: this.props.locale,
      timezone: this.props.timezone,
    };
  }
}