package com.changhong.epc.zuul.rest;

import com.changhong.epc.rely.api.tool.FilterTool;
import com.changhong.epc.rely.api.tool.VersionFilterApi;
import com.changhong.epc.zuul.filter.VersionFilter;
import com.changhong.epc.zuul.filter.version.Version;
import com.iemsoft.framework.cloud.core.tools.ObjectUtil;
import com.iemsoft.framework.cloud.redis.service.CacheUtils;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.RestController;

import javax.servlet.http.HttpServletRequest;
import java.util.*;

@RestController
public class VersionRest {

    /**
     * 获得版本号
     * @param id
     * @param key
     * @param request
     * @return
     */
    @GetMapping("/get/version/{id}")
    public Map<String, Long> getVersion(@PathVariable("id") String id, HttpServletRequest request, @RequestParam(value = "key", required = false) String key){
        FilterTool.FILTER_TYPE.get(FilterTool.FilterType.PRIVATE).filter(request);
        Version versionEntity = VersionFilter.getVersion(id);
        if(versionEntity == null){
            return new HashMap<>();
        }
        Set<String> keys;
        if(ObjectUtil.empty(key)){
            keys = versionEntity.getKeys();
        }else{
            keys = new HashSet<>(Arrays.asList(key));
        }
        Map<String, Long> result = new HashMap<>();
        keys.stream().forEach(fKey->result.put(fKey, getVersion(request, versionEntity, fKey)));
        return result;
    }

    protected Long getVersion(HttpServletRequest request, Version versionEntity, String key){
        Long version = CacheUtils.get(key = versionEntity.getCacheKey(request, key), Long.class);
        if(version == null){
            version = System.currentTimeMillis();
            CacheUtils.set(key, version, 0);
        }
        return version;
    }

    @GetMapping("/get/version/master/{key}")
    public void setVersion(@PathVariable String key){
        VersionFilterApi.filter(key, null, null);
    }

}