package com.example.webapi.config;

import com.example.webapi.interceptor.SignatureInterceptor;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.web.cors.CorsConfiguration;
import org.springframework.web.cors.CorsConfigurationSource;
import org.springframework.web.cors.UrlBasedCorsConfigurationSource;
import org.springframework.web.servlet.config.annotation.CorsRegistry;
import org.springframework.web.servlet.config.annotation.InterceptorRegistry;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;

import java.util.Arrays;

/**
 * Web配置类
 * 
 * @author Your Name
 * @version 1.0.0
 */
@Configuration
public class WebConfig implements WebMvcConfigurer {

    private final SignatureInterceptor signatureInterceptor;

    public WebConfig(SignatureInterceptor signatureInterceptor) {
        this.signatureInterceptor = signatureInterceptor;
    }

    @Override
    public void addInterceptors(InterceptorRegistry registry) {
        registry.addInterceptor(signatureInterceptor)
        .addPathPatterns("/**")
        .excludePathPatterns(
            "/fuquanapi/swagger-ui.html",
            "/fuquanapi/swagger-ui/**",
            "/fuquanapi/v3/api-docs",
            "/fuquanapi/v3/api-docs/**",
            "/fuquanapi/webjars/**",
            "/fuquanapi/favicon.ico",
            "/fuquanapi/swagger-resources/**"
        );
    }

    @Override
    public void addCorsMappings(CorsRegistry registry) {
        registry.addMapping("/**")
                .allowedOriginPatterns("*")
                .allowedMethods("GET", "POST", "PUT", "DELETE", "OPTIONS")
                .allowedHeaders("*")
                .allowCredentials(true)
                .maxAge(3600);
    }

    /**
     * CORS配置
     * 
     * @return CORS配置源
     */
    @Bean
    public CorsConfigurationSource corsConfigurationSource() {
        CorsConfiguration configuration = new CorsConfiguration();
        configuration.setAllowedOriginPatterns(Arrays.asList("*"));
        configuration.setAllowedMethods(Arrays.asList("GET", "POST", "PUT", "DELETE", "OPTIONS"));
        configuration.setAllowedHeaders(Arrays.asList("*"));
        configuration.setAllowCredentials(true);
        configuration.setMaxAge(3600L);

        UrlBasedCorsConfigurationSource source = new UrlBasedCorsConfigurationSource();
        source.registerCorsConfiguration("/**", configuration);
        return source;
    }
}