import { IsString, IsEmail, IsBoolean, IsOptional, IsArray, MinLength } from 'class-validator';

export class User {
  id?: string;
  username: string;
  email: string;
  firstName?: string;
  lastName?: string;
  enabled?: boolean = true;
  emailVerified?: boolean = false;
  attributes?: Record<string, any>;
  clientRoles?: string[]; // Rôles client uniquement (admin, merchant, support)
  createdTimestamp?: number;
  
  constructor(partial?: Partial<User>) {
    if (partial) {
      Object.assign(this, partial);
    }
  }
}

export class UserCredentials {
  type: string;
  value: string;
  temporary: boolean = false;
  
  constructor(type: string, value: string, temporary: boolean = false) {
    this.type = type;
    this.value = value;
    this.temporary = temporary;
  }
}

export class CreateUserDto {
  @IsString()
  @MinLength(3)
  username: string;

  @IsEmail()
  email: string;

  @IsString()
  firstName?: string;

  @IsString()
  lastName?: string;

  @IsString()
  @MinLength(8)
  password: string;

  @IsOptional()
  @IsBoolean()
  enabled?: boolean = true;

  @IsOptional()
  @IsBoolean()
  emailVerified?: boolean = false;

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

  @IsOptional()
  @IsArray()
  clientRoles?: string[];
}

export class UpdateUserDto {
  @IsOptional()
  @IsString()
  username?: string;

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

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

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

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

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

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

  @IsOptional()
  @IsArray()
  clientRoles?: string[];
}

export class UserQueryDto {
  @IsOptional()
  page?: number = 1;

  @IsOptional()
  limit?: number = 10;

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

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

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

export class ResetPasswordDto {
  @IsString()
  userId: string;

  @IsString()
  @MinLength(8)
  newPassword: string;

  @IsOptional()
  @IsBoolean()
  temporary?: boolean = false;
}

export class UserResponse {
  id: string;
  username: string;
  email: string;
  firstName: string;
  lastName: string;
  enabled: boolean;
  emailVerified: boolean;
  attributes?: Record<string, any>;
  clientRoles: string[]; // Rôles client uniquement
  createdTimestamp: number;

  constructor(user: any) {
    this.id = user.id;
    this.username = user.username;
    this.email = user.email;
    this.firstName = user.firstName;
    this.lastName = user.lastName;
    this.enabled = user.enabled;
    this.emailVerified = user.emailVerified;
    this.attributes = user.attributes;
    this.clientRoles = user.clientRoles || [];
    this.createdTimestamp = user.createdTimestamp;
  }
}

// Interface pour les réponses paginées
export class PaginatedUserResponse {
  users: UserResponse[];
  total: number;
  page: number;
  limit: number;
  totalPages: number;

  constructor(users: UserResponse[], total: number, page: number, limit: number) {
    this.users = users;
    this.total = total;
    this.page = page;
    this.limit = limit;
    this.totalPages = Math.ceil(total / limit);
  }
}

export class AssignRolesDto {
  @IsArray()
  @IsString({ each: true })
  roles: string[];
}

// Types pour les rôles client
export type ClientRole = 'admin' | 'merchant' | 'support' | 'merchant-admin' | 'merchant-manager' | 'merchant-support';

// Interface pour l'authentification
export interface LoginDto {
  username: string;
  password: string;
}

export interface TokenResponse {
  access_token: string;
  refresh_token?: string;
  expires_in: number;
  token_type: string;
  scope?: string;
}