package com.boman.system.service.impl;

import java.util.Collection;
import java.util.List;
import javax.annotation.PostConstruct;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import com.boman.common.core.constant.Constants;
import com.boman.common.core.constant.UserConstants;
import com.boman.common.core.exception.CustomException;
import com.boman.common.core.text.Convert;
import com.boman.common.core.utils.StringUtils;
import com.boman.common.redis.service.RedisService;
import com.boman.system.domain.SysConfig;
import com.boman.system.mapper.SysConfigMapper;
import com.boman.system.service.ISysConfigService;

/**
 * 参数配置 服务层实现
 * 
 * @author ruoyi
 */
@Service
public class SysConfigServiceImpl implements ISysConfigService
{
    @Autowired
    private SysConfigMapper configMapper;

    @Autowired
    private RedisService redisService;

    /**
     * 项目启动时，初始化参数到缓存
     */
    @PostConstruct
    public void init()
    {
        List<SysConfig> configsList = configMapper.selectConfigList(new SysConfig());
        for (SysConfig config : configsList)
        {
            redisService.setCacheObject(getCacheKey(config.getConfigKey()), config.getConfigValue());
        }
    }

    /**
     * 查询参数配置信息
     * 
     * @param id 参数配置ID
     * @return 参数配置信息
     */
    @Override
    public SysConfig selectConfigById(Long id)
    {
        SysConfig config = new SysConfig();
        config.setId(id);
        return configMapper.selectConfig(config);
    }

    /**
     * 根据键名查询参数配置信息
     * 
     * @param configKey 参数key
     * @return 参数键值
     */
    @Override
    public String selectConfigByKey(String configKey)
    {
        String configValue = Convert.toStr(redisService.getCacheObject(getCacheKey(configKey)));
        if (StringUtils.isNotEmpty(configValue))
        {
            return configValue;
        }
        SysConfig config = new SysConfig();
        config.setConfigKey(configKey);
        SysConfig retConfig = configMapper.selectConfig(config);
        if (StringUtils.isNotNull(retConfig))
        {
            redisService.setCacheObject(getCacheKey(configKey), retConfig.getConfigValue());
            return retConfig.getConfigValue();
        }
        return StringUtils.EMPTY;
    }

    /**
     * 查询参数配置列表
     * 
     * @param config 参数配置信息
     * @return 参数配置集合
     */
    @Override
    public List<SysConfig> selectConfigList(SysConfig config)
    {
        return configMapper.selectConfigList(config);
    }

    /**
     * 新增参数配置
     * 
     * @param config 参数配置信息
     * @return 结果
     */
    @Override
    public int insertConfig(SysConfig config)
    {
        int row = configMapper.insertConfig(config);
        if (row > 0)
        {
            redisService.setCacheObject(getCacheKey(config.getConfigKey()), config.getConfigValue());
        }
        return row;
    }

    /**
     * 修改参数配置
     * 
     * @param config 参数配置信息
     * @return 结果
     */
    @Override
    public int updateConfig(SysConfig config)
    {
        int row = configMapper.updateConfig(config);
        if (row > 0)
        {
            redisService.setCacheObject(getCacheKey(config.getConfigKey()), config.getConfigValue());
        }
        return row;
    }

    /**
     * 批量删除参数信息
     * 
     * @param ids 需要删除的参数ID
     * @return 结果
     */
    @Override
    public int deleteConfigByIds(Long[] ids)
    {
        for (Long id : ids)
        {
            SysConfig config = selectConfigById(id);
            if (StringUtils.equals(UserConstants.YES, config.getConfigType()))
            {
                throw new CustomException(String.format("内置参数【%1$s】不能删除 ", config.getConfigKey()));
            }
        }
        int count = configMapper.deleteConfigByIds(ids);
        if (count > 0)
        {
            Collection<String> keys = redisService.keys(Constants.SYS_CONFIG_KEY + "*");
            redisService.deleteObject(keys);
        }
        return count;
    }

    /**
     * 清空缓存数据
     */
    @Override
    public void clearCache()
    {
        Collection<String> keys = redisService.keys(Constants.SYS_CONFIG_KEY + "*");
        redisService.deleteObject(keys);
    }

    /**
     * 校验参数键名是否唯一
     * 
     * @param config 参数配置信息
     * @return 结果
     */
    @Override
    public String checkConfigKeyUnique(SysConfig config)
    {
        Long id = StringUtils.isNull(config.getId()) ? -1L : config.getId();
        SysConfig info = configMapper.checkConfigKeyUnique(config.getConfigKey());
        if (StringUtils.isNotNull(info) && info.getId().longValue() != id.longValue())
        {
            return UserConstants.NOT_UNIQUE;
        }
        return UserConstants.UNIQUE;
    }

    /**
     * 设置cache key
     * 
     * @param configKey 参数键
     * @return 缓存键key
     */
    private String getCacheKey(String configKey)
    {
        return Constants.SYS_CONFIG_KEY + configKey;
    }
}
