/*
 Licensed to the Apache Software Foundation (ASF) under one or more
 contributor license agreements.  See the NOTICE file distributed with
 this work for additional information regarding copyright ownership.
 The ASF licenses this file to You 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.
*/

var solrAdminServices = angular.module('solrAdminServices', ['ngResource']);

solrAdminServices.factory('System',
  ['$resource', function($resource) {
    return $resource('admin/info/system', {"wt":"json", "nodes": "@nodes", "_":Date.now()});
  }])
.factory('Metrics',
    ['$resource', function($resource) {
      return $resource('admin/metrics', {"wt":"json", "nodes": "@nodes", "prefix":"@prefix", "_":Date.now()});
    }])
.factory('Collections',
  ['$resource', function($resource) {
    return $resource('admin/collections',
    {'wt':'json', '_':Date.now()}, {
    "list": {params:{action: "LIST"}},
    "listaliases": {params:{action: "LISTALIASES"}},
    "status": {params:{action: "CLUSTERSTATUS"}},
    "add": {params:{action: "CREATE"}},
    "delete": {params:{action: "DELETE"}},
    "rename": {params:{action: "RENAME"}},
    "createAlias": {params:{action: "CREATEALIAS"}},
    "deleteAlias": {params:{action: "DELETEALIAS"}},
    "deleteReplica": {params:{action: "DELETEREPLICA"}},
    "addReplica": {params:{action: "ADDREPLICA"}},
    "deleteShard": {params:{action: "DELETESHARD"}},
    "reload": {method: "GET", params:{action:"RELOAD", core: "@core"}}
    });
  }])
.factory('Cores',
  ['$resource', function($resource) {
    return $resource('admin/cores',
    {'wt':'json', '_':Date.now()}, {
    "query": {},
    "list": {params:{indexInfo: false}},
    "add": {params:{action: "CREATE"}},
    "unload": {params:{action: "UNLOAD", core: "@core"}},
    "rename": {params:{action: "RENAME"}},
    "swap": {params:{action: "SWAP"}},
    "reload": {method: "GET", params:{action:"RELOAD", core: "@core"}, headers:{doNotIntercept: "true"}}
    });
  }])
.factory('Logging',
  ['$resource', function($resource) {
    return $resource('admin/info/logging', {'wt':'json', '_':Date.now()}, {
      "events": {params: {since:'0'}},
      "levels": {},
      "setLevel": {}
      });
  }])
.factory('Zookeeper',
  ['$resource', function($resource) {
    return $resource('admin/zookeeper', {wt:'json', _:Date.now()}, {
      "simple": {},
      "liveNodes": {params: {path: '/live_nodes'}},
      "clusterState": {params: {detail: "true", path: "/clusterstate.json"}},
      "detail": {params: {detail: "true", path: "@path"}},
      "configs": {params: {detail:false, path: "/configs/"}},
      "aliases": {params: {detail: "true", path: "/aliases.json"}, transformResponse:function(data) {
        var znode = $.parseJSON(data).znode;
        if (znode.data) {
          return {aliases: $.parseJSON(znode.data).collection};
        } else {
          return {aliases: {}};
        }
      }}
    });
  }])
.factory('ZookeeperStatus',
  ['$resource', function($resource) {
    return $resource('admin/zookeeper/status', {wt:'json', _:Date.now()}, {
      "monitor": {}
    });
  }])
.factory('Properties',
  ['$resource', function($resource) {
    return $resource('admin/info/properties', {'wt':'json', '_':Date.now()});
  }])
.factory('Threads',
  ['$resource', function($resource) {
    return $resource('admin/info/threads', {'wt':'json', '_':Date.now()});
  }])
.factory('Properties',
  ['$resource', function($resource) {
    return $resource('admin/info/properties', {'wt':'json', '_':Date.now()});
  }])
.factory('Replication',
  ['$resource', function($resource) {
    return $resource(':core/replication', {'wt':'json', core: "@core", '_':Date.now()}, {
      "details": {params: {command: "details"}},
      "command": {params: {}}
    });
  }])
.factory('CoreSystem',
  ['$resource', function($resource) {
    return $resource(':core/admin/system', {wt:'json', core: "@core", _:Date.now()});
  }])
.factory('Update',
  ['$resource', function($resource) {
    return $resource(':core/:handler', {core: '@core', wt:'json', _:Date.now(), handler:'update'}, {
      "commit": {params: {commit: "true"}},
      "post": {headers: {'Content-type': 'application/json'}, method: "POST", params: {handler: '@handler'}},
      "postJson": {headers: {'Content-type': 'application/json'}, method: "POST", params: {handler: '@handler'}},
      "postXml": {headers: {'Content-type': 'text/xml'}, method: "POST", params: {handler: '@handler'}},
      "postCsv": {headers: {'Content-type': 'application/csv'}, method: "POST", params: {handler: '@handler'}}
    });
  }])
.service('FileUpload', function ($http) {
    this.upload = function(params, file, success, error){
        var url = "" + params.core + "/" + params.handler + "?";
        raw = params.raw;
        delete params.core;
        delete params.handler;
        delete params.raw;
        url += $.param(params);
        if (raw && raw.length>0) {
            if (raw[0] != "&") raw = "&" + raw;
            url += raw;
        }
        var fd = new FormData();
        fd.append('file', file);
        $http.post(url, fd, {
            transformRequest: angular.identity,
            headers: {'Content-Type': undefined}
        }).success(success).error(error);
    }
})
.filter('splitByComma', function() {
  return function(input) {
    return input === undefined ? input : input.split(',');
  }
})
.factory('Luke',
  ['$resource', function($resource) {
    return $resource(':core/admin/luke', {core: '@core', wt:'json', _:Date.now()}, {
      "index":  {params: {numTerms: 0, show: 'index'}},
      "raw": {params: {numTerms: 0}},
      "schema": {params: {show:'schema'}},
      "field": {},
      "fields": {params: {show:'schema'}, interceptor: {
          response: function(response) {
              var fieldsAndTypes = [];
              for (var field in response.data.schema.fields) {
                fieldsAndTypes.push({group: "Fields", label: field, value: "fieldname=" + field});
              }
              for (var type in response.data.schema.types) {
                fieldsAndTypes.push({group: "Types", label: type, value: "fieldtype=" + type});
              }
              return fieldsAndTypes;
          }
      }}
    });
  }])
.factory('Analysis',
  ['$resource', function($resource) {
    return $resource(':core/analysis/field', {core: '@core', wt:'json', _:Date.now()}, {
      "field": {params: {"analysis.showmatch": true}}
    });
  }])
.factory('DataImport',
  ['$resource', function($resource) {
    return $resource(':core/:name', {core: '@core', name: '@name', indent:'on', wt:'json', _:Date.now()}, {
      "config": {params: {command: "show-config"}, headers: {doNotIntercept: "true"},
                 transformResponse: function(data) {
                    return {config: data};
                 }
                },
      "status": {params: {command: "status"}, headers: {doNotIntercept: "true"}},
      "reload": {params: {command: "reload-config"}},
      "post": {method: "POST",
                headers: {'Content-type': 'application/x-www-form-urlencoded'},
                transformRequest: function(data) { return $.param(data) }}
    });
  }])
.factory('Ping',
  ['$resource', function($resource) {
    return $resource(':core/admin/ping', {wt:'json', core: '@core', ts:Date.now(), _:Date.now()}, {
     "ping": {},
     "status": {params:{action:"status"}, headers: {doNotIntercept: "true"}
    }});
  }])
.factory('Mbeans',
  ['$resource', function($resource) {
    return $resource(':core/admin/mbeans', {'wt':'json', core: '@core', '_':Date.now()}, {
        stats: {params: {stats: true}},
        info: {},
        reference: {
            params: {wt: "xml", stats: true}, transformResponse: function (data) {
                return {reference: data}
            }
        },
        delta: {method: "POST",
                params: {stats: true, diff:true},
                headers: {'Content-type': 'application/x-www-form-urlencoded'},
                transformRequest: function(data) {
                    return "stream.body=" + encodeURIComponent(data);
                }
        }
    });
  }])
.factory('Files',
  ['$resource', function($resource) {
    return $resource(':core/admin/file', {'wt':'json', core: '@core', '_':Date.now()}, {
      "list": {},
      "get": {method: "GET", interceptor: {
          response: function(config) {return config;}
      }, transformResponse: function(data) {
          return data;
      }}
    });
  }])
.factory('Query',
    ['$resource', function($resource) {
       var resource = $resource(':core/:handler', {core: '@core', handler: '@handler', '_':Date.now()}, {
           "query": {
             method: "GET",
             transformResponse: function (data) {
               return {data: data}
             },
             headers: {doNotIntercept: "true"}
           }
       });
       resource.url = function(params) {
           var qs = [];
           for (key in params) {
               if (key != "core" && key != "handler") {
                   for (var i in params[key]) {
                       qs.push(key + "=" + encodeURIComponent(params[key][i]));
                   }
               }
           }
           return "" + params.core + "/" + params.handler + "?" + qs.sort().join("&");
       }
       return resource;
}])
.factory('Segments',
   ['$resource', function($resource) {
       return $resource(':core/admin/segments', {'wt':'json', core: '@core', _:Date.now()}, {
           get: {}
       });
}])
.factory('Schema',
   ['$resource', function($resource) {
     return $resource(':core/schema', {wt: 'json', core: '@core', _:Date.now()}, {
       get: {method: "GET"},
       check: {method: "GET", headers: {doNotIntercept: "true"}},
       post: {method: "POST"}
     });
}])
.factory('Config',
   ['$resource', function($resource) {
     return $resource(':core/config', {wt: 'json', core: '@core', _:Date.now()}, {
       get: {method: "GET"}
     })
}])
.factory('AuthenticationService',
    ['base64', function (base64) {
        var service = {};

        service.SetCredentials = function (username, password) {
          var authdata = base64.encode(username + ':' + password);

          sessionStorage.setItem("auth.header", "Basic " + authdata);
          sessionStorage.setItem("auth.username", username);
        };

        service.ClearCredentials = function () {
          sessionStorage.removeItem("auth.header");
          sessionStorage.removeItem("auth.scheme");
          sessionStorage.removeItem("auth.realm");
          sessionStorage.removeItem("auth.username");
          sessionStorage.removeItem("auth.wwwAuthHeader");
          sessionStorage.removeItem("auth.statusText");
          localStorage.removeItem("auth.stateRandom");
          sessionStorage.removeItem("auth.nonce");
        };

        service.getAuthDataHeader = function () {
          try {
            var header64 = sessionStorage.getItem("auth.authDataHeader");
            var headerJson = base64.decode(header64);
            return JSON.parse(headerJson);
          } catch (e) {
            console.log("WARN: Wrong or missing X-Solr-AuthData header on 401 response " + e);
            return null;
          }
        };

        service.decodeJwtPart = function (jwtPart) {
          try {
            return JSON.parse(base64.urldecode(jwtPart));
          } catch (e) {
            console.log("WARN: Invalid format of JWT part: " + e);
            return {};
          }
        };

        service.isJwtCallback = function (hash) {
          var hp = this.decodeHashParams(hash);
          // console.log("Decoded hash as " + JSON.stringify(hp, undefined, 2)); // For debugging callbacks
          return (hp['access_token'] && hp['token_type'] && hp['state']) || hp['error'];
        };
        
        service.decodeHashParams = function(hash) {
          // access_token, token_type, expires_in, state
          if (hash == null || hash.length === 0) {
            return {};
          }
          var params = {};
          var parts = hash.split("&");
          for (var p in parts) {
            var kv = parts[p].split("=");
            if (kv.length === 2) {
              params[kv[0]] = decodeURIComponent(kv[1]);
            } else {
              console.log("Invalid callback URI, got parameter " + parts[p] + " but expected key=value");
            }
          }
          return params;
        };
        
        return service;
      }]);