package com.newyetai.common;

import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.core.annotation.Order;
import org.springframework.core.env.Environment;

import com.fasterxml.jackson.core.JsonParser;
import com.fasterxml.jackson.databind.DeserializationContext;
import com.fasterxml.jackson.databind.deser.std.StringDeserializer;
import com.fasterxml.jackson.databind.module.SimpleModule;
import com.newyetai.common.cache.DefaultCacheProvider;
import com.newyetai.common.cache.ICacheProvider;
import com.newyetai.common.log.ILogProvider;
import com.newyetai.common.log.provider.Slf4jLogProvider;
import com.newyetai.common.log.util.LogUtils;
import com.newyetai.common.service.IMockProvider;
import com.newyetai.common.service.IMockProvider.DefaultMockProvider;
import com.newyetai.common.util.EnvironmentUtils;
import com.newyetai.common.util.MockUtils;
import com.newyetai.component.file.service.IFileStorage;
import com.newyetai.component.file.service.storage.LocalFileStorage;
import com.newyetai.component.file.util.FileStorageUtils;

import lombok.var;

/**
 * @author sr on 2020-07-24
 */
@Configuration
public class CommonConfiguration {

  @Bean
  EnvironmentUtils environmentUtils(Environment environment) {
    return new EnvironmentUtils(environment);
  }

  @Bean
  @ConditionalOnMissingBean(ICacheProvider.class)
  @Order(100)
  DefaultCacheProvider defauCacheProvider() {
    return new DefaultCacheProvider();
  }

  @Bean
  @Order(100)
  @ConditionalOnMissingBean(ILogProvider.class)
  Slf4jLogProvider slf4jLogProvider() {
    return new Slf4jLogProvider();
  }
  
  @Bean
  @Order(200)
  LogUtils logUtils(ILogProvider iLogProvider) {
    LogUtils logUtils = new LogUtils();
    logUtils.setLogProvider(iLogProvider);
    return logUtils;
  }
  
  @Bean
  @ConditionalOnMissingBean(IFileStorage.class)
  public LocalFileStorage localFileStorage() {
    return new LocalFileStorage();
  }
  
  @Bean
  public FileStorageUtils fileStorageUtils(IFileStorage fileStorage) {
    return new FileStorageUtils(fileStorage);
  }
  
  @Bean
  @ConditionalOnMissingBean(IMockProvider.class)
  public IMockProvider defaultMockProvider() {
    return new DefaultMockProvider();
  }
  
  @Bean
  public MockUtils mockUtils(IMockProvider mockProvider) {
    return new MockUtils(mockProvider);
  }
  
  /**
   * requestbody string trim
   * @return
   * @author sr on 2024-04-19 
   */
  @Bean
  public SimpleModule stringDeserializerModule() {
    final var module = new SimpleModule();
    module.addDeserializer(String.class, new StringDeserializer() {
      @Override
      public String deserialize(JsonParser p, DeserializationContext ctx) throws java.io.IOException {
        final var value = super.deserialize(p, ctx);
        if (value == null) {
          return null;
        }

        final var trimmed = value.trim();
        if (trimmed.isEmpty()) {
          return null;
        }

        return trimmed;
      }
    });
    return module;
  }

}