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/*
 *      Copyright (c) 2018-2028, Chill Zhuang All rights reserved.
 *
 *  Redistribution and use in source and binary forms, with or without
 *  modification, are permitted provided that the following conditions are met:
 *
 *  Redistributions of source code must retain the above copyright notice,
 *  this list of conditions and the following disclaimer.
 *  Redistributions in binary form must reproduce the above copyright
 *  notice, this list of conditions and the following disclaimer in the
 *  documentation and/or other materials provided with the distribution.
 *  Neither the name of the dreamlu.net developer nor the names of its
 *  contributors may be used to endorse or promote products derived from
 *  this software without specific prior written permission.
 *  Author: Chill 庄骞 (smallchill@163.com)
 */
package org.springblade.core.secure.config;
 
 
import lombok.AllArgsConstructor;
import org.springblade.core.secure.aspect.AuthAspect;
import org.springblade.core.secure.handler.ISecureHandler;
import org.springblade.core.secure.props.AuthSecure;
import org.springblade.core.secure.props.BasicSecure;
import org.springblade.core.secure.props.BladeSecureProperties;
import org.springblade.core.secure.props.SignSecure;
import org.springblade.core.secure.provider.ClientDetailsServiceImpl;
import org.springblade.core.secure.provider.IClientDetailsService;
import org.springblade.core.secure.registry.SecureRegistry;
import org.springframework.boot.autoconfigure.AutoConfiguration;
import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean;
import org.springframework.boot.context.properties.EnableConfigurationProperties;
import org.springframework.context.annotation.Bean;
import org.springframework.core.annotation.Order;
import org.springframework.jdbc.core.JdbcTemplate;
import org.springframework.lang.NonNull;
import org.springframework.web.servlet.config.annotation.InterceptorRegistry;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;
 
import java.util.List;
import java.util.stream.Collectors;
 
/**
 * 安全配置类
 *
 * @author Chill
 */
@Order
@AutoConfiguration
@AllArgsConstructor
@EnableConfigurationProperties({BladeSecureProperties.class})
public class SecureConfiguration implements WebMvcConfigurer {
 
    private final SecureRegistry secureRegistry;
 
    private final BladeSecureProperties secureProperties;
 
    private final JdbcTemplate jdbcTemplate;
 
    private final ISecureHandler secureHandler;
 
    @Override
    public void addInterceptors(@NonNull InterceptorRegistry registry) {
        // 设置请求授权
        if (secureRegistry.isAuthEnabled() || secureProperties.getAuthEnabled()) {
            List<AuthSecure> authSecures = this.secureRegistry.addAuthPatterns(secureProperties.getAuth()).getAuthSecures();
            if (authSecures.size() > 0) {
                registry.addInterceptor(secureHandler.authInterceptor(authSecures));
                // 设置路径放行
                secureRegistry.excludePathPatterns(authSecures.stream().map(AuthSecure::getPattern).collect(Collectors.toList()));
            }
        }
        // 设置基础认证授权
        if (secureRegistry.isBasicEnabled() || secureProperties.getBasicEnabled()) {
            List<BasicSecure> basicSecures = this.secureRegistry.addBasicPatterns(secureProperties.getBasic()).getBasicSecures();
            if (basicSecures.size() > 0) {
                registry.addInterceptor(secureHandler.basicInterceptor(basicSecures));
                // 设置路径放行
                secureRegistry.excludePathPatterns(basicSecures.stream().map(BasicSecure::getPattern).collect(Collectors.toList()));
            }
        }
        // 设置签名认证授权
        if (secureRegistry.isSignEnabled() || secureProperties.getSignEnabled()) {
            List<SignSecure> signSecures = this.secureRegistry.addSignPatterns(secureProperties.getSign()).getSignSecures();
            if (signSecures.size() > 0) {
                registry.addInterceptor(secureHandler.signInterceptor(signSecures));
                // 设置路径放行
                secureRegistry.excludePathPatterns(signSecures.stream().map(SignSecure::getPattern).collect(Collectors.toList()));
            }
        }
        // 设置客户端授权
        if (secureRegistry.isClientEnabled() || secureProperties.getClientEnabled()) {
            secureProperties.getClient().forEach(
                clientSecure -> registry.addInterceptor(secureHandler.clientInterceptor(clientSecure.getClientId()))
                    .addPathPatterns(clientSecure.getPathPatterns())
            );
        }
        // 设置路径放行
        if (secureRegistry.isEnabled() || secureProperties.getEnabled()) {
            registry.addInterceptor(secureHandler.tokenInterceptor())
                .excludePathPatterns(secureRegistry.getExcludePatterns())
                .excludePathPatterns(secureRegistry.getDefaultExcludePatterns())
                .excludePathPatterns(secureProperties.getSkipUrl());
        }
    }
 
    @Bean
    public AuthAspect authAspect() {
        return new AuthAspect();
    }
 
    @Bean
    @ConditionalOnMissingBean(IClientDetailsService.class)
    public IClientDetailsService clientDetailsService() {
        return new ClientDetailsServiceImpl(jdbcTemplate);
    }
 
}