class CQiClient {
  constructor(corpusId) {
    this.socket = io(
      '/corpora/corpus/corpus_analysis',
      {
        auth: {corpus_id: corpusId},
        transports: ['websocket'],
        upgrade: false
      }
    );
    this.connected = false;
    this.corpora = new CQiCorpusCollection(this.socket);
  }

  connect() {
    return new Promise((resolve, reject) => {
      this.socket.emit('cqi.connect', response => {
        if (response.code === 200) {
          this.connected = true;
          resolve(response.payload);
        } else {
          reject(response);
        }
      });
    });
  }

  disconnect() {
    return new Promise((resolve, reject) => {
      this.socket.emit('cqi.disconnect', response => {
        if (response.code === 200) {
          this.connected = false;
          resolve(response.payload);
        } else {
          reject(response);
        }
      });
    });
  }

  ping() {
    return new Promise((resolve, reject) => {
      this.socket.emit('cqi.ping', response => {
        if (response.code === 200) {
          resolve(response.payload);
        } else {
          reject(response);
        }
      });
    });
  }
}


class CQiCorpusCollection {
  constructor(socket) {
    this.socket = socket;
  }

  get(corpusName) {
    return new Promise((resolve, reject) => {
      const args = {corpus_name: corpusName};

      this.socket.emit('cqi.corpora.get', args, response => {
        if (response.code === 200) {
          resolve(new CQiCorpus(this.socket, response.payload));
        } else {
          reject(response);
        }
      });
    });
  }

  list() {
    return new Promise((resolve, reject) => {
      this.socket.emit('cqi.corpora.list', response => {
        if (response.code === 200) {
          resolve(response.payload.map(x => {return new CQiSubcorpus(this.socket, x);}));
        } else {
          reject(response);
        }
      });
    });
  }
}


class CQiCorpus {
  constructor(socket, attrs) {
    this.socket = socket;
    this.charset = attrs.charset;
    this.name = attrs.name;
    this.properties = attrs.properties;
    this.size = attrs.size;
    this.alignmentAttributes = new CQiAlignmentAttributeCollection(this.socket, this);
    this.positionalAttributes = new CQiPositionalAttributeCollection(this.socket, this);
    this.structuralAttributes = new CQiStructuralAttributeCollection(this.socket, this);
    this.subcorpora = new CQiSubcorpusCollection(this.socket, this);
  }

  getVisualizationData() {
    return new Promise((resolve, reject) => {
      const args = {corpus_name: this.name};

      this.socket.emit('cqi.corpora.corpus.get_visualization_data', args, response => {
        if (response.code === 200) {
          resolve(response.payload);
        } else {
          reject(response);
        }
      });
    });
  }

  getCorpusData() {
    return new Promise((resolve, reject) => {
      const dummyData = {
          "corpus": {
              "bounds": [1, 689],
              "counts": {
                  "token": 743,
                  "ent": 321,
                  "s": 234
              },
              "freqs": {
                  "word": {
                      "1": 876,
                      "2": 234,
                      "3": 657
                  },
                  "lemma": {
                      "1": 543,
                      "2": 876,
                      "3": 321
                  },
                  "pos": {
                      "1": 456,
                      "2": 789,
                      "3": 234
                  },
                  "simple_pos": {
                      "1": 987,
                      "2": 876,
                      "3": 543
                  },
                  "ent": {
                      "1": 654,
                      "2": 321,
                      "3": 987
                  }
              }
          },
          "text": {
              "1": {
                  "bounds": [0, 435],
                  "counts": {
                      "token": 345,
                      "ent_type": 123,
                      "s": 89
                  },
                  "freqs": {
                      "word": {
                          "1": 25,
                          "2": 90,
                          "3": 200
                      },
                      "lemma": {
                          "1": 654,
                          "2": 321,
                          "3": 987
                      },
                      "pos": {
                          "1": 543,
                          "2": 876,
                          "3": 234
                      },
                      "simple_pos": {
                          "1": 987,
                          "2": 654,
                          "3": 321
                      },
                      "ent_type": {
                          "1": 234,
                          "2": 789,
                          "3": 543
                      }
                  },
                  "values": {
                      "author": 1,
                      "publishing_year":1950,
                      "title": 1
                  }
              },
              "2": {
                  "bounds": [435, 689],
                  "counts": {
                      "token": 389,
                      "ent_type": 198,
                      "s": 145
                  },
                  "freqs": {
                      "word": {
                          "1": 60,
                          "2": 70,
                          "3": 100
                      },
                      "lemma": {
                          "1": 654,
                          "2": 321,
                          "3": 987
                      },
                      "pos": {
                          "1": 543,
                          "2": 876,
                          "3": 234
                      },
                      "simple_pos": {
                          "1": 987,
                          "2": 654,
                          "3": 321
                      },
                      "ent_type": {
                          "1": 234,
                          "2": 789,
                          "3": 543
                      }
                  },
                  "values": {
                      "author": 2,
                      "publishing_year":1951,
                      "title": 2
                  }
              }
          },
          "s": {
              "1": {
                  "bounds": [345, 678]
              }
          },
          "ent": {
              "1": {
                  "bounds": [567, 890],
                  "values": {
                      "type": 789
                  }
              }
          },
          "token": {
              "310": {
                  "values": {
                      "word": 1,
                      "lemma": 2,
                      "pos": 1,
                      "simple_pos": 1
                  }
              }
          },
          "value_lookups": {
              "text": {
                  "author": {
                      "1": "John Doe",
                      "2": "Jane Smith"
                  },
                  "title": {
                      "1": "Test Title 1",
                      "2": "Test Title 2"
                  }
              },
              "ent": {
                  "type": {
                      "1": "Person",
                      "2": "Organization"
                  }
              },
              "token": {
                  "word": {
                      "1": "apple",
                      "2": "banana",
                      "3": "orange"
                  },
                  "lemma": {
                      "1": "run",
                      "2": "walk",
                      "3": "jump"
                  },
                  "pos": {
                      "1": "noun",
                      "2": "verb",
                      "3": "adjective"
                  },
                  "simple_pos": {
                      "1": "subject",
                      "2": "object",
                      "3": "predicate"
                  }
              }
          }
      }
      

      resolve(dummyData);
      /*
      const args = {corpus_name: this.name};

      this.socket.emit('cqi.corpora.corpus.getCorpusData', args, response => {
        if (response.code === 200) {
          resolve(response.payload);
        } else {
          reject(response);
        }
      });
      */
    })
  }

  drop() {
    return new Promise((resolve, reject) => {
      const args = {corpus_name: this.name};

      this.socket.emit('cqi.corpora.corpus.drop', args, response => {
        if (response.code === 200) {
          resolve(response.payload);
        } else {
          reject(response);
        }
      });
    });
  }

  query(subcorpus_name, queryString) {
    return new Promise((resolve, reject) => {
      const args = {
        corpus_name: this.name,
        subcorpus_name: subcorpus_name,
        query: queryString
      };

      this.socket.emit('cqi.corpora.corpus.query', args, response => {
        if (response.code === 200) {
          resolve(response.payload);
        } else {
          reject(response);
        }
      });
    });
  }

  // nopaque specific CQi extension
  paginate(page=1, perPage=20) {
    return new Promise((resolve, reject) => {
      const args = {corpus_name: this.name, page: page, per_page: perPage};

      this.socket.emit('cqi.corpora.corpus.paginate', args, response => {
        if (response.code === 200) {
          resolve(response.payload);
        } else {
          reject(response);
        }
      });
    });
  }

  updateDb() {
    const args = {corpus_name: this.name};

    this.socket.emit('cqi.corpora.corpus.update_db', args);
  }
}


class CQiAlignmentAttributeCollection {
  constructor(socket, corpus) {
    this.corpus = corpus;
    this.socket = socket;
  }

  get(alignmentAttributeName) {
    return new Promise((resolve, reject) => {
      const args = {
        corpus_name: this.corpus.name,
        alignment_attribute_name: alignmentAttributeName
      };

      this.socket.emit('cqi.corpora.corpus.alignment_attributes.get', args, response => {
        if (response.code === 200) {
          resolve(new CQiAlignmentAttribute(this.socket, this.corpus, response.payload));
        } else {
          reject(response);
        }
      });
    });
  }

  list() {
    return new Promise((resolve, reject) => {
      const args = {corpus_name: this.corpus.name};

      this.socket.emit('cqi.corpus.alignment_attributes.list', args, response => {
        if (response.code === 200) {
          resolve(response.payload.map(x => {return new CQiAlignmentAttribute(this.socket, this.corpus, x);}));
        } else {
          reject(response);
        }
      });
    });
  }
}


class CQiAlignmentAttribute {
  constructor(socket, corpus, attrs) {
    this.socket = socket;
    this.corpus = corpus;
    this.name = attrs.name;
    this.size = attrs.size;
  }
}


class CQiPositionalAttributeCollection {
  constructor(socket, corpus) {
    this.corpus = corpus;
    this.socket = socket;
  }

  get(positionalAttributeName) {
    return new Promise((resolve, reject) => {
      const args = {
        corpus_name: this.corpus.name,
        positional_attribute_name: positionalAttributeName
      };

      this.socket.emit('cqi.corpora.corpus.positional_attributes.get', args, response => {
        if (response.code === 200) {
          resolve(new CQiPositionalAttribute(this.socket, this.corpus, response.payload));
        } else {
          reject(response);
        }
      });
    });
  }

  list() {
    return new Promise((resolve, reject) => {
      const args = {corpus_name: this.corpus.name};

      this.socket.emit('cqi.corpus.positional_attributes.list', args, response => {
        if (response.code === 200) {
          resolve(response.payload.map(x => {return new CQiPositionalAttribute(this.socket, this.corpus, x);}));
        } else {
          reject(response);
        }
      });
    });
  }
}


class CQiPositionalAttribute {
  constructor(socket, corpus, attrs) {
    this.socket = socket;
    this.corpus = corpus;
    this.lexiconSize = attrs.lexicon_size;
    this.name = attrs.name;
    this.size = attrs.size;
  }
}


class CQiStructuralAttributeCollection {
  constructor(socket, corpus) {
    this.corpus = corpus;
    this.socket = socket;
  }

  get(structuralAttributeName) {
    return new Promise((resolve, reject) => {
      const args = {
        corpus_name: this.corpus.name,
        structural_attribute_name: structuralAttributeName
      };

      this.socket.emit('cqi.corpora.corpus.structural_attributes.get', args, response => {
        if (response.code === 200) {
          resolve(new CQiStructuralAttribute(this.socket, this.corpus, response.payload));
        } else {
          reject(response);
        }
      });
    });
  }

  list() {
    return new Promise((resolve, reject) => {
      const args = {corpus_name: this.corpus.name};

      this.socket.emit('cqi.corpus.structural_attributes.list', args, response => {
        if (response.code === 200) {
          resolve(response.payload.map(x => {return new CQiStructuralAttribute(this.socket, this.corpus, x);}));
        } else {
          reject(response);
        }
      });
    });
  }
}


class CQiStructuralAttribute {
  constructor(socket, corpus, attrs) {
    this.socket = socket;
    this.corpus = corpus;
    this.hasValues = attrs.has_values;
    this.name = attrs.name;
    this.size = attrs.size;
  }
}


class CQiSubcorpusCollection {
  constructor(socket, corpus) {
    this.corpus = corpus;
    this.socket = socket;
  }

  get(subcorpusName) {
    return new Promise((resolve, reject) => {
      const args = {
        corpus_name: this.corpus.name,
        subcorpus_name: subcorpusName
      };
      this.socket.emit('cqi.corpora.corpus.subcorpora.get', args, response => {
        if (response.code === 200) {
          resolve(new CQiSubcorpus(this.socket, this.corpus, response.payload));
        } else {
          reject(response);
        }
      });
    });
  }

  list() {
    return new Promise((resolve, reject) => {
      const args = {corpus_name: this.corpus.name};

      this.socket.emit('cqi.corpora.corpus.subcorpora.list', args, response => {
        if (response.code === 200) {
          resolve(response.payload.map(x => {return new CQiSubcorpus(this.socket, this.corpus, x);}));
        } else {
          reject(response);
        }
      });
    });
  }
}


class CQiSubcorpus {
  constructor(socket, corpus, attrs) {
    this.socket = socket;
    this.corpus = corpus;
    this.fields = attrs.fields;
    this.name = attrs.name;
    this.size = attrs.size;
  }

  drop() {
    return new Promise((resolve, reject) => {
      const args = {corpus_name: this.corpus.name, subcorpus_name: this.name};

      this.socket.emit('cqi.corpora.corpus.subcorpora.subcorpus.drop', args, response => {
        if (response.code === 200) {
          resolve(response.payload);
        } else {
          reject(response);
        }
      });
    });
  }

  dump(field, first, last) {
    return new Promise((resolve, reject) => {
      const args = {
        corpus_name: this.corpus.name,
        subcorpus_name: this.name,
        field: field,
        first: first,
        last: last
      };

      this.socket.emit('cqi.corpora.corpus.subcorpora.subcorpus.dump', args, response => {
        if (response.code === 200) {
          resolve(response.payload);
        } else {
          reject(response);
        }
      });
    });
  }

  export(context=50) {
    return new Promise((resolve, reject) => {
      const args = {
        corpus_name: this.corpus.name,
        subcorpus_name: this.name,
        context: context
      };

      this.socket.emit('cqi.corpora.corpus.subcorpora.subcorpus.export', args, response => {
        if (response.code === 200) {
          resolve(response.payload);
        } else {
          reject(response);
        }
      });
    });
  }

  partial_export(matchIdList, context=50) {
    return new Promise((resolve, reject) => {
      const args = {
        corpus_name: this.corpus.name,
        subcorpus_name: this.name,
        match_id_list: matchIdList,
        context: context
      };

      this.socket.emit('cqi.corpora.corpus.subcorpora.subcorpus.partial_export', args, response => {
        if (response.code === 200) {
          resolve(response.payload);
        } else {
          reject(response);
        }
      });
    });
  }

  fdst_1(cutoff, field, attribute) {
    return new Promise((resolve, reject) => {
      const args = {
        corpus_name: this.corpus.name,
        subcorpus_name: this.name,
        cutoff: cutoff,
        field: field,
        attribute: attribute
      };

      this.socket.emit('cqi.corpora.corpus.subcorpora.subcorpus.fdist_1', args, response => {
        if (response.code === 200) {
          resolve(response.payload);
        } else {
          reject(response);
        }
      });
    });
  }

  fdst_2(cutoff, field1, attribute1, field2, attribute2) {
    return new Promise((resolve, reject) => {
      const args = {
        corpus_name: this.corpus.name,
        subcorpus_name: this.name,
        cutoff: cutoff,
        field1: field1,
        attribute1: attribute1,
        field2: field2,
        attribute2: attribute2
      };

      this.socket.emit('cqi.corpora.corpus.subcorpora.subcorpus.fdist_1', args, response => {
        if (response.code === 200) {
          resolve(response.payload);
        } else {
          reject(response);
        }
      });
    });
  }

  // nopaque specific CQi extension
  paginate(page=1, perPage=20, context=50) {
    return new Promise((resolve, reject) => {
      const args = {
        corpus_name: this.corpus.name,
        subcorpus_name: this.name,
        page: page,
        per_page: perPage,
        context: context
      };

      this.socket.emit('cqi.corpora.corpus.subcorpora.subcorpus.paginate', args, response => {
        if (response.code === 200) {
          resolve(response.payload);
        } else {
          reject(response);
        }
      });
    });
  }
}