package org.mm.MBlog.security.services;

import java.util.Collection;
import java.util.List;
import java.util.Objects;
import java.util.stream.Collectors;

import org.springframework.security.core.GrantedAuthority;
import org.springframework.security.core.authority.SimpleGrantedAuthority;
import org.springframework.security.core.userdetails.UserDetails;

import org.mm.MBlog.security.models.User;
import com.fasterxml.jackson.annotation.JsonIgnore;

public class UserDetailsImpl implements UserDetails {
    private static final long serialVersionUID = 1L;
    private Long id;
    private String username;
    private String email;
    @JsonIgnore
    private String password;

    private Collection<? extends GrantedAuthority> authorities;

    public UserDetailsImpl(Long id,
                           String username,
                           String email,
                           String password,
                           Collection<? extends GrantedAuthority> authorities){
        this.id = id;
        this.username = username;
        this.email = email;
        this.password = password;
        this.authorities = authorities;
    }

    public static UserDetailsImpl build(User user) {
        List<GrantedAuthority> authorities = user.getRoles().stream().map(role -> new SimpleGrantedAuthority(role.getName().name())).collect(Collectors.toList());
        return new UserDetailsImpl(user.getId(), user.getUsername(), user.getEmail(), user.getPassword(), authorities);
    }

    @Override
    public Collection<? extends GrantedAuthority> getAuthorities() { return authorities; }

    public Long getId() { return id; }

    public String getEmail() { return email; }

    @Override
    public String getPassword() { return password; }

     @Override
    public String getUsername() { return username; }

    @Override
    public boolean isAccountNonExpired() { return true; }

    @Override
    public boolean isAccountNonLocked() { return true; }

    @Override
    public boolean isCredentialsNonExpired() { return true; }

    @Override
    public boolean isEnabled() { return true; }

    @Override
    public boolean equals(Object o) {
        if (this == o){ return true; }
        if (o == null || getClass() != o.getClass()){ return false; }

        UserDetailsImpl user = (UserDetailsImpl) o;
        return Objects.equals(id, user.id);
    }
}