package com.ctrip.apollo.adminservice.controller;

 import java.util.List;

 import org.springframework.beans.factory.annotation.Autowired;

 import org.springframework.data.domain.Pageable;

 import org.springframework.http.HttpStatus;

 import org.springframework.http.ResponseEntity;

 import org.springframework.web.bind.annotation.PathVariable;

 import org.springframework.web.bind.annotation.RequestBody;

 import org.springframework.web.bind.annotation.RequestMapping;

 import org.springframework.web.bind.annotation.RequestMethod;

 import org.springframework.web.bind.annotation.RequestParam;

 import org.springframework.web.bind.annotation.RestController;

 import com.ctrip.apollo.biz.entity.App;

 import com.ctrip.apollo.biz.service.AdminService;

 import com.ctrip.apollo.biz.service.AppService;

 import com.ctrip.apollo.common.utils.BeanUtils;

 import com.ctrip.apollo.core.dto.AppDTO;

 import com.ctrip.apollo.core.exception.NotFoundException;

 import com.ctrip.apollo.core.utils.StringUtils;

 @RestController

 public class AppController {

   @Autowired

   private AppService appService;

   @Autowired

   private AdminService adminService;

   @RequestMapping(path = "/apps", method = RequestMethod.POST)

   public ResponseEntity<AppDTO> create(@RequestBody AppDTO dto) {

     App entity = BeanUtils.transfrom(App.class, dto);

     entity = adminService.createNewApp(entity);

     dto = BeanUtils.transfrom(AppDTO.class, entity);

     return ResponseEntity.status(HttpStatus.CREATED).body(dto);

   }

   @RequestMapping(path = "/apps/{appId}", method = RequestMethod.DELETE)

   public void delete(@PathVariable("appId") String appId) {

     App entity = appService.findOne(appId);

     if (entity == null) throw new NotFoundException("app not found for appId " + appId);

     appService.delete(entity.getId());

   }

   @RequestMapping("/apps")

   public List<AppDTO> find(@RequestParam(value = "name", required = false) String name,

       Pageable pageable) {

     List<App> app = null;

     if (StringUtils.isBlank(name)) {

       app = appService.findAll(pageable);

     } else {

       app = appService.findByName(name);

     }

     return BeanUtils.batchTransform(AppDTO.class, app);

   }

   @RequestMapping("/apps/{appId}")

   public AppDTO get(@PathVariable("appId") String appId) {

     App app = appService.findOne(appId);

     if (app == null) throw new NotFoundException("app not found for appId " + appId);

     return BeanUtils.transfrom(AppDTO.class, app);

   }

   @RequestMapping(path = "/apps/{appId}", method = RequestMethod.PUT)

   public AppDTO update(@PathVariable("appId") String appId, @RequestBody AppDTO dto) {

     if (!appId.equals(dto.getAppId())) {

       throw new IllegalArgumentException(String

           .format("Path variable %s is not equals to object field %s", appId, dto.getAppId()));

     }

     App entity = appService.findOne(appId);

     if (entity == null) throw new NotFoundException("app not found for appId " + appId);

     entity = appService.update(BeanUtils.transfrom(App.class, dto));

     return BeanUtils.transfrom(AppDTO.class, entity);

   }

 }