/*-
 * ============LICENSE_START=======================================================
 * ONAP POLICY-CLAMP
 * ================================================================================
 * Copyright (C) 2021 AT&T Intellectual Property. All rights reserved.
 * ================================================================================
 * 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.
 * ============LICENSE_END============================================
 * ===================================================================
 *
 */

export default class PolicyService {
  static getPoliciesList() {
    return fetch(window.location.pathname + 'restservices/clds/v2/policies', {
      method: 'GET',
      credentials: 'same-origin'
    })
      .then(function (response) {
        console.debug("getPoliciesList response received: ", response.status);
        if (response.ok) {
          console.info("getPoliciesList query successful");
          return response.json();
        } else {
          return response.text().then(responseBody => {
            throw new Error("HTTP " + response.status + "," + responseBody);
          })
        }
      })
      .catch(function (error) {
        console.error("getPoliciesList error occurred ", error);
        alert("getPoliciesList error occurred " + error);
        return undefined;
      });
  }

  static createNewPolicy(policyModelType, policyModelVersion, policyName, policyVersion, policyJson) {
    return fetch(window.location.pathname + 'restservices/clds/v2/policies/' + policyModelType + '/'
      + policyModelVersion + '/' + policyName + '/' + policyVersion, {
      method: 'POST',
      credentials: 'same-origin',
      headers: {
        "Content-Type": "application/json"
      },
      body: JSON.stringify(policyJson)
    })
      .then(function (response) {
        console.debug("createNewPolicy response received: ", response.status);
        if (response.ok) {
          console.info("createNewPolicy query successful");
          return response.text();
        } else {
          return response.text().then(responseBody => {
            throw new Error("HTTP " + response.status + "," + responseBody);
          })
        }
      })
      .catch(function (error) {
        console.error("createNewPolicy error occurred ", error);
        alert("createNewPolicy error occurred " + error);
        return undefined;
      });
  }

  static deletePolicy(policyModelType, policyModelVersion, policyName, policyVersion) {
    return fetch(window.location.pathname + 'restservices/clds/v2/policies/' + policyModelType + '/'
      + policyModelVersion + '/' + policyName + '/' + policyVersion, {
      method: 'DELETE',
      credentials: 'same-origin'
    })
      .then(function (response) {
        console.debug("deletePolicy response received: ", response.status);
        if (response.ok) {
          console.info("deletePolicy query successful");
          return response.text();
        } else {
          return response.text().then(responseBody => {
            throw new Error("HTTP " + response.status + "," + responseBody);
          })
        }
      })
      .catch(function (error) {
        console.error("deletePolicy error occurred ", error);
        alert("deletePolicy error occurred " + error);
        return undefined;
      });
  }

  static updatePdpDeployment(pdpOperationsList) {
    return fetch(window.location.pathname + 'restservices/clds/v2/policies/pdpDeployment', {
      method: 'PUT',
      credentials: 'same-origin',
      headers: {
        "Content-Type": "application/json"
      },
      body: JSON.stringify(pdpOperationsList)
    })
      .then(function (response) {
        console.debug("updatePdpDeployment response received: ", response.status);
        if (response.ok) {
          console.info("updatePdpDeployment query successful");
          return response.text();
        } else {
          return response.text().then(responseBody => {
            throw new Error("HTTP " + response.status + "," + responseBody);
          })
        }
      })
      .catch(function (error) {
        console.error("updatePdpDeployment error occurred ", error);
        alert("updatePdpDeployment error occurred " + error);
        return undefined;
      });
  }

  static sendNewPolicyModel(newPolicyModel) {
    return fetch(window.location.pathname + 'restservices/clds/v2/policies/policytype', {
      method: 'POST',
      credentials: 'same-origin',
      headers: {
        "Content-Type": "plain/text"
      },
      body: newPolicyModel
    })
      .then(function (response) {
        console.debug("sendNewPolicyModel response received: ", response.status);
        if (response.ok) {
          console.info("sendNewPolicyModel query successful");
          return response.text();
        } else {
          return response.text().then(responseBody => {
            throw new Error("HTTP " + response.status + "," + responseBody);
          })
        }
      })
      .catch(function (error) {
        console.error("sendNewPolicyModel error occurred ", error);
        alert("sendNewPolicyModel error occurred " + error);
        return undefined;
      });
  }
}