/* Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *      http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.activiti.rest.service.api.repository;

import java.util.HashMap;
import java.util.Map;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.activiti.engine.impl.ModelQueryProperty;
import org.activiti.engine.query.QueryProperty;
import org.activiti.engine.repository.Model;
import org.activiti.engine.repository.ModelQuery;
import org.activiti.rest.common.api.DataResponse;
import org.springframework.http.HttpStatus;
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;

/**
 * @author Frederik Heremans
 */
@RestController
public class ModelCollectionResource extends BaseModelResource {

 private static Map<String, QueryProperty> allowedSortProperties = new HashMap<String, QueryProperty>();
  
  static {
    allowedSortProperties.put("id", ModelQueryProperty.MODEL_ID);
    allowedSortProperties.put("category", ModelQueryProperty.MODEL_CATEGORY);
    allowedSortProperties.put("createTime", ModelQueryProperty.MODEL_CREATE_TIME);
    allowedSortProperties.put("key", ModelQueryProperty.MODEL_KEY);
    allowedSortProperties.put("lastUpdateTime", ModelQueryProperty.MODEL_LAST_UPDATE_TIME);
    allowedSortProperties.put("name", ModelQueryProperty.MODEL_NAME);
    allowedSortProperties.put("version", ModelQueryProperty.MODEL_VERSION);
    allowedSortProperties.put("tenantId", ModelQueryProperty.MODEL_TENANT_ID);
  }
  
  @RequestMapping(value="/repository/models", method = RequestMethod.GET, produces = "application/json")
  public DataResponse getModels(@RequestParam Map<String,String> allRequestParams, HttpServletRequest request) {
    ModelQuery modelQuery = repositoryService.createModelQuery();
    
    if (allRequestParams.containsKey("id")) {
      modelQuery.modelId(allRequestParams.get("id"));
    }
    if (allRequestParams.containsKey("category")) {
      modelQuery.modelCategory(allRequestParams.get("category"));
    }
    if (allRequestParams.containsKey("categoryLike")) {
      modelQuery.modelCategoryLike(allRequestParams.get("categoryLike"));
    }
    if (allRequestParams.containsKey("categoryNotEquals")) {
      modelQuery.modelCategoryNotEquals(allRequestParams.get("categoryNotEquals"));
    }
    if (allRequestParams.containsKey("name")) {
      modelQuery.modelName(allRequestParams.get("name"));
    }
    if (allRequestParams.containsKey("nameLike")) {
      modelQuery.modelNameLike(allRequestParams.get("nameLike"));
    }
    if (allRequestParams.containsKey("key")) {
      modelQuery.modelKey(allRequestParams.get("key"));
    }
    if (allRequestParams.containsKey("version")) {
      modelQuery.modelVersion(Integer.valueOf(allRequestParams.get("version")));
    }
    if (allRequestParams.containsKey("latestVersion")) {
      boolean isLatestVersion = Boolean.valueOf(allRequestParams.get("latestVersion"));
      if (isLatestVersion) {
        modelQuery.latestVersion();
      }
    }
    if (allRequestParams.containsKey("deploymentId")) {
      modelQuery.deploymentId(allRequestParams.get("deploymentId"));
    }
    if (allRequestParams.containsKey("deployed")) {
      boolean isDeployed = Boolean.valueOf(allRequestParams.get("deployed"));
      if (isDeployed) {
        modelQuery.deployed();
      } else {
        modelQuery.notDeployed();
      }
    }
    if (allRequestParams.containsKey("tenantId")) {
      modelQuery.modelTenantId(allRequestParams.get("tenantId"));
    }
    if (allRequestParams.containsKey("tenantIdLike")) {
      modelQuery.modelTenantIdLike(allRequestParams.get("tenantIdLike"));
    }
    if (allRequestParams.containsKey("withoutTenantId")) {
      boolean withoutTenantId = Boolean.valueOf(allRequestParams.get("withoutTenantId"));
      if (withoutTenantId) {
      	modelQuery.modelWithoutTenantId();
      }
    }
    return new ModelsPaginateList(restResponseFactory)
        .paginateList(allRequestParams, modelQuery, "id", allowedSortProperties);
  }
  
  @RequestMapping(value="/repository/models", method = RequestMethod.POST, produces = "application/json")
  public ModelResponse createModel(@RequestBody ModelRequest modelRequest, HttpServletRequest request, HttpServletResponse response) {
    Model model = repositoryService.newModel();
    model.setCategory(modelRequest.getCategory());
    model.setDeploymentId(modelRequest.getDeploymentId());
    model.setKey(modelRequest.getKey());
    model.setMetaInfo(modelRequest.getMetaInfo());
    model.setName(modelRequest.getName());
    model.setVersion(modelRequest.getVersion());
    model.setTenantId(modelRequest.getTenantId());

    repositoryService.saveModel(model);
    response.setStatus(HttpStatus.CREATED.value());
    return restResponseFactory.createModelResponse(model);
  }
}