package com.cpop.core.gateway.miniProgram;

import org.springframework.security.authentication.AbstractAuthenticationToken;
import org.springframework.security.core.GrantedAuthority;

import java.util.Collection;

/**
 * @author DB
 * @Description:
 * @create 2023-08-23 21:11
 */
public class MiniProgramAuthenticationToken extends AbstractAuthenticationToken {

    private final Object principal;
    private Object credentials;

    /**
     * This constructor can be safely used by any code that wishes to create a
     * <code>UsernamePasswordAuthenticationToken</code>, as the {@link #isAuthenticated()}
     * will return <code>false</code>.
     *
     */
    public MiniProgramAuthenticationToken(Object principal, Object credentials) {
        super(null);
        this.principal = principal;
        this.credentials = credentials;
        setAuthenticated(false);
    }

    /**
     * This constructor should only be used by <code>AuthenticationManager</code> or
     * <code>AuthenticationProvider</code> implementations that are satisfied with
     * producing a trusted (i.e. {@link #isAuthenticated()} = <code>true</code>)
     * authentication token.
     *
     * @param principal
     * @param credentials
     * @param authorities
     */
    public MiniProgramAuthenticationToken(Object principal, Object credentials, Collection<? extends GrantedAuthority> authorities) {
        super(authorities);
        this.principal = principal;
        this.credentials = credentials;
        // must use super, as we override
        super.setAuthenticated(true);
    }

    @Override
    public Object getCredentials() {
        return this.credentials;
    }

    @Override
    public Object getPrincipal() {
        return this.principal;
    }

    @Override
    public void setAuthenticated(boolean isAuthenticated) throws IllegalArgumentException {
        if (isAuthenticated) {
            throw new IllegalArgumentException("Cannot set this token to trusted - use constructor which takes a GrantedAuthority list instead");
        }
        super.setAuthenticated(false);
    }

    @Override
    public void eraseCredentials() {
        super.eraseCredentials();
        credentials = null;
    }
}
