<?php
declare(strict_types=1);

namespace App\Dto;

/**
 * 用户数据传输对象
 */
class UserDto extends BaseDto
{
    #[Required]
    private ?int $id = null;

    #[Required]
    #[Length(min: 2, max: 50)]
    private string $username = '';

    #[Required]
    #[Length(min: 6, max: 100)]
    private string $email = '';

    #[Required]
    #[Length(min: 6, max: 255)]
    private string $password = '';

    #[Length(max: 100)]
    private string $nickname = '';

    #[Length(max: 20)]
    private string $phone = '';

    #[Length(max: 255)]
    private string $avatar = '';

    private ?int $status = null;

    private ?int $roleId = null;

    private ?string $roleName = '';

    private ?\DateTime $createdAt = null;

    private ?\DateTime $updatedAt = null;

    private ?\DateTime $lastLoginAt = null;

    private array $permissions = [];

    private array $roles = [];

    public function getId(): ?int
    {
        return $this->id;
    }

    public function setId(int $id): self
    {
        $this->id = $id;
        return $this;
    }

    public function getUsername(): string
    {
        return $this->username;
    }

    public function setUsername(string $username): self
    {
        $this->username = $username;
        return $this;
    }

    public function getEmail(): string
    {
        return $this->email;
    }

    public function setEmail(string $email): self
    {
        $this->email = $email;
        return $this;
    }

    public function getPassword(): string
    {
        return $this->password;
    }

    public function setPassword(string $password): self
    {
        $this->password = $password;
        return $this;
    }

    public function getNickname(): string
    {
        return $this->nickname;
    }

    public function setNickname(string $nickname): self
    {
        $this->nickname = $nickname;
        return $this;
    }

    public function getPhone(): string
    {
        return $this->phone;
    }

    public function setPhone(string $phone): self
    {
        $this->phone = $phone;
        return $this;
    }

    public function getAvatar(): string
    {
        return $this->avatar;
    }

    public function setAvatar(string $avatar): self
    {
        $this->avatar = $avatar;
        return $this;
    }

    public function getStatus(): ?int
    {
        return $this->status;
    }

    public function setStatus(int $status): self
    {
        $this->status = $status;
        return $this;
    }

    public function getRoleId(): ?int
    {
        return $this->roleId;
    }

    public function setRoleId(int $roleId): self
    {
        $this->roleId = $roleId;
        return $this;
    }

    public function getRoleName(): ?string
    {
        return $this->roleName;
    }

    public function setRoleName(string $roleName): self
    {
        $this->roleName = $roleName;
        return $this;
    }

    public function getCreatedAt(): ?\DateTime
    {
        return $this->createdAt;
    }

    public function setCreatedAt(\DateTime $createdAt): self
    {
        $this->createdAt = $createdAt;
        return $this;
    }

    public function getUpdatedAt(): ?\DateTime
    {
        return $this->updatedAt;
    }

    public function setUpdatedAt(\DateTime $updatedAt): self
    {
        $this->updatedAt = $updatedAt;
        return $this;
    }

    public function getLastLoginAt(): ?\DateTime
    {
        return $this->lastLoginAt;
    }

    public function setLastLoginAt(\DateTime $lastLoginAt): self
    {
        $this->lastLoginAt = $lastLoginAt;
        return $this;
    }

    public function getPermissions(): array
    {
        return $this->permissions;
    }

    public function setPermissions(array $permissions): self
    {
        $this->permissions = $permissions;
        return $this;
    }

    public function getRoles(): array
    {
        return $this->roles;
    }

    public function setRoles(array $roles): self
    {
        $this->roles = $roles;
        return $this;
    }

    /**
     * 添加权限
     */
    public function addPermission(string $permission): self
    {
        if (!in_array($permission, $this->permissions)) {
            $this->permissions[] = $permission;
        }
        return $this;
    }

    /**
     * 添加角色
     */
    public function addRole(string $role): self
    {
        if (!in_array($role, $this->roles)) {
            $this->roles[] = $role;
        }
        return $this;
    }

    /**
     * 检查是否有指定权限
     */
    public function hasPermission(string $permission): bool
    {
        return in_array($permission, $this->permissions);
    }

    /**
     * 检查是否有指定角色
     */
    public function hasRole(string $role): bool
    {
        return in_array($role, $this->roles);
    }

    /**
     * 获取用于API响应的数据（隐藏敏感信息）
     */
    public function toApiResponse(): array
    {
        $data = $this->toArray();
        
        // 移除敏感信息
        unset($data['password']);
        
        // 格式化日期
        if ($this->createdAt) {
            $data['created_at'] = $this->createdAt->format('Y-m-d H:i:s');
        }
        
        if ($this->updatedAt) {
            $data['updated_at'] = $this->updatedAt->format('Y-m-d H:i:s');
        }
        
        if ($this->lastLoginAt) {
            $data['last_login_at'] = $this->lastLoginAt->format('Y-m-d H:i:s');
        }
        
        return $data;
    }

    /**
     * 创建用于登录的用户DTO
     */
    public static function forLogin(string $username, string $password): self
    {
        return (new self())
            ->setUsername($username)
            ->setPassword($password);
    }

    /**
     * 创建用于注册的用户DTO
     */
    public static function forRegister(string $username, string $email, string $password): self
    {
        return (new self())
            ->setUsername($username)
            ->setEmail($email)
            ->setPassword($password);
    }

    /**
     * 验证邮箱格式
     */
    public function validateEmail(): bool
    {
        return filter_var($this->email, FILTER_VALIDATE_EMAIL) !== false;
    }

    /**
     * 验证手机号格式
     */
    public function validatePhone(): bool
    {
        return preg_match('/^1[3-9]\d{9}$/', $this->phone) === 1;
    }

    /**
     * 验证用户名格式
     */
    public function validateUsername(): bool
    {
        return preg_match('/^[a-zA-Z0-9_]{2,50}$/', $this->username) === 1;
    }
}