import * as ModelXDataTypes from '@modelx/data/src/DataSet';
// ts-node -O {\"module\":\"commonjs\"}  src/util.ts
import * as features from './features';
import { getParsedDate, } from './constants';
import faker from 'faker';
faker.seed(0);
export type Fake = {
  [index: string]: any;
}
export const Faker: Fake = { ...faker };

export function randomNumber(min:number, max:number) {  
  return Math.random() * (max - min) + min; 
}
export function generateNumberRange(start: number, end: number): number[]{
  return [start].reduce((result:number[], val:number) => { 
    for (let i=val; i < (end+1); i++){
      result.push(i);
    }
    return result;
  }, []);
}
export function getDatum(customDate?: Date, customTransation: { amount?: number; late_payments?: boolean; } = {}) {
  const transaction = Faker.helpers.createTransaction();
  const { amount, late_payments = true, } = customTransation;
  transaction.amount = parseFloat(amount || transaction.amount);
  transaction.late_payments = late_payments;
  const date = customDate||Faker.date.between(new Date('2020-01-15'), new Date('2020-04-10'));
  const parsedDate = getParsedDate(date);
  return {
    ...transaction,
    ...parsedDate,
    date,
  }
}
export function getData(items: number) {
  return generateNumberRange(0, items-1).map(()=>getDatum());
}
export const timeseriesSort = (a: ModelXDataTypes.Datum, b: ModelXDataTypes.Datum) => a.date.valueOf() - b.date.valueOf();

export function getMockTimeseries() {
  const timeseriesData = [
    getDatum(new Date('2020-04-04T00:00:00.000Z'),{amount:407, late_payments:true}),
    getDatum(new Date('2020-04-05T00:00:00.000Z'),{amount:408, late_payments:true}),
    getDatum(new Date('2020-04-06T00:00:00.000Z'),{amount:309, late_payments:false}),
    getDatum(new Date('2020-04-07T00:00:00.000Z'),{amount:410, late_payments:true}),
    getDatum(new Date('2020-04-08T00:00:00.000Z'),{amount:411, late_payments:true}),
    getDatum(new Date('2020-04-09T00:00:00.000Z'),{amount:412, late_payments:true}),
    getDatum(new Date('2020-04-10T00:00:00.000Z'),{amount:313, late_payments:false}),
    getDatum(new Date('2020-04-11T00:00:00.000Z'),{amount:414, late_payments:true}),
    getDatum(new Date('2020-04-12T00:00:00.000Z'),{amount:415, late_payments:true}),
    getDatum(new Date('2020-04-13T00:00:00.000Z'),{amount:416, late_payments:true}),
    getDatum(new Date('2020-04-14T00:00:00.000Z'),{amount:317, late_payments:false}),
    getDatum(new Date('2020-04-15T00:00:00.000Z'),{amount:318, late_payments:false}),
    getDatum(new Date('2020-04-16T00:00:00.000Z'),{amount:419, late_payments:true}),
    getDatum(new Date('2020-04-17T00:00:00.000Z'),{amount:420, late_payments:true}),
    getDatum(new Date('2020-04-18T00:00:00.000Z'),{amount:421, late_payments:true}),
    getDatum(new Date('2020-04-19T00:00:00.000Z'),{amount:322, late_payments:false}),
    getDatum(new Date('2020-04-20T00:00:00.000Z'),{amount:423, late_payments:true}),
    getDatum(new Date('2020-04-21T00:00:00.000Z'),{amount:324, late_payments:false}),
    getDatum(new Date('2020-04-22T00:00:00.000Z'),{amount:325, late_payments:false}),
    getDatum(new Date('2020-04-23T00:00:00.000Z'),{amount:426, late_payments:true}),
  ].sort(timeseriesSort);
  const independent_variables = [
    // 'type',
    'late_payments',
    'month',
    'day'
  ];
  const dependent_variables = ['amount'];
  const input_independent_features = [
    {
      feature_field_name: 'late_payments',
      feature_field_type: features.AutoFeatureTypes.TEXT,
    },
    // {
    //   feature_field_name: 'type',
    //   feature_field_type: features.AutoFeatureTypes.TEXT,
    // },
    {
      feature_field_name: 'month',
      feature_field_type: features.AutoFeatureTypes.TEXT,
    },
    {
      feature_field_name: 'day',
      feature_field_type: features.AutoFeatureTypes.TEXT,
    },
  ];
  const prediction_inputs = [
    getDatum(new Date('2020-04-24T00:00:00.000Z'),{ late_payments:false}),
    getDatum(new Date('2020-04-25T00:00:00.000Z'),{ late_payments:false}),
    getDatum(new Date('2020-04-26T00:00:00.000Z'),{ late_payments:true}),];
  return {
    timeseriesData,
    independent_variables,
    dependent_variables,
    input_independent_features,
    prediction_inputs,
  };
}

export function getMockRegression() {
  const data = [
    { input_1: 1, input_2: 10, input_3: 100, ignored_1: 1, output_1: 1000, output_2: 10000, },
    { input_1: 2, input_2: 20, input_3: 200, ignored_1: 2, output_1: 2000, output_2: 20000, },
    { input_1: 3, input_2: 30, input_3: 300, ignored_1: 3, output_1: 3000, output_2: 30000, },
    { input_1: 4, input_2: 40, input_3: 400, ignored_1: 4, output_1: 4000, output_2: 40000, },
    { input_1: 5, input_2: 50, input_3: 500, ignored_1: 5, output_1: 5000, output_2: 50000, },
    { input_1: 6, input_2: 60, input_3: 600, ignored_1: 6, output_1: 6000, output_2: 60000, },
    { input_1: 7, input_2: 70, input_3: 700, ignored_1: 7, output_1: 7000, output_2: 70000, },
    { input_1: 8, input_2: 80, input_3: 800, ignored_1: 8, output_1: 8000, output_2: 80000, },
    { input_1: 9, input_2: 90, input_3: 900, ignored_1: 9, output_1: 9000, output_2: 90000, },
    { input_1: 11, input_2: 110, input_3: 1100, ignored_1: 11, output_1: 11000, output_2: 110000, },
    { input_1: 12, input_2: 120, input_3: 1200, ignored_1: 12, output_1: 12000, output_2: 120000, },
    { input_1: 13, input_2: 130, input_3: 1300, ignored_1: 13, output_1: 13000, output_2: 130000, },
    { input_1: 14, input_2: 140, input_3: 1400, ignored_1: 14, output_1: 14000, output_2: 140000, },
    { input_1: 15, input_2: 150, input_3: 1500, ignored_1: 15, output_1: 15000, output_2: 150000, },
    { input_1: 16, input_2: 160, input_3: 1600, ignored_1: 16, output_1: 16000, output_2: 160000, },
    { input_1: 17, input_2: 170, input_3: 1700, ignored_1: 17, output_1: 17000, output_2: 170000, },
    { input_1: 18, input_2: 180, input_3: 1800, ignored_1: 18, output_1: 18000, output_2: 180000, },
    { input_1: 19, input_2: 190, input_3: 1900, ignored_1: 19, output_1: 19000, output_2: 190000, },
  ];
  const independent_variables = [
    'input_1',
    'input_2',
    'input_3',
  ];
  const dependent_variables = [
    'output_1',
    'output_2',
  ];
  const prediction_inputs = [
    { input_1: 5, input_2: 50, input_3: 500, ignored_1: 5, },
    { input_1: 10, input_2: 100, input_3: 1000, ignored_1: 10, },
    { input_1: 15, input_2: 150, input_3: 1500, ignored_1: 15, },
    { input_1: 20, input_2: 200, input_3: 2000, ignored_1: 20, },
    { input_1: 40, input_2: 400, input_3: 4000, ignored_1: 40, },
  ];
  return {
    data,
    independent_variables,
    dependent_variables,
    prediction_inputs,
  };
}

export function getMockClassification() {
  const data = [
    { walking_noise_level: 2, primary_sound: 'yip', secondary_sound: 'growl', weight: 10, ear_style: 'pointy', animal: 'dog', },
    { walking_noise_level: 4, primary_sound: 'bark', secondary_sound: 'growl', weight: 25, ear_style: 'floppy', animal: 'dog', },
    { walking_noise_level: 1, primary_sound: 'meow', secondary_sound: 'pur', weight: 12, ear_style: 'pointy', animal: 'cat', },
    { walking_noise_level: 8, primary_sound: 'bark', secondary_sound: 'growl', weight: 50, ear_style: 'pointy', animal: 'dog', },
    { walking_noise_level: 2, primary_sound: 'meow', secondary_sound: 'growl', weight: 15, ear_style: 'pointy', animal: 'cat', },
    { walking_noise_level: 2, primary_sound: 'yip', secondary_sound: 'pur', weight: 15, ear_style: 'pointy', animal: 'cat', },
    { walking_noise_level: 2, primary_sound: 'meow', secondary_sound: 'pur', weight: 15, ear_style: 'pointy', animal: 'cat', },
    { walking_noise_level: 1, primary_sound: 'yip', secondary_sound: 'growl', weight: 25, ear_style: 'floppy', animal: 'dog', },
    { walking_noise_level: 2, primary_sound: 'pur', secondary_sound: 'growl', weight: 15, ear_style: 'pointy', animal: 'cat', },
  ];
  const prediction_inputs = [
    { walking_noise_level: 4, primary_sound: 'bark', secondary_sound: 'growl', weight: 25, ear_style: 'floppy', },
    { walking_noise_level: 1, primary_sound: 'meow', secondary_sound: 'pur', weight: 9, ear_style: 'pointy', },
  ];
  const independent_variables = [
    'walking_noise_level',
    'primary_sound',
    'secondary_sound',
    'weight',
    'ear_style',
  ];
  const dependent_variables = [
    'animal',
  ];
  return {
    data,
    independent_variables,
    dependent_variables,
    prediction_inputs,
  }
}


  /*
  describe('Single Value Timeseries Predictions', () => {
    it('should forecast the number of passengers', async () => {
      const csvPath = path.join(__dirname, '../manual/media/example/tensorflowcsv/airline-trips-sales.csv');

      const airline_prediction_inputs = [
        {
          Month: '1960-01',
          Flights: 47,
          Stops: 4,
          Tickets: 417,
        },
        {
          Month: '1960-02',
          Flights: 31,
          Stops: 3,
          Tickets: 391,
        },
        {
          Month: '1960-03',
          Flights: 49,
          Stops: 4,
          Tickets: 419,
        },
        {
          Month: '1960-04',
          Flights: 41,
          Stops: 4,
          Tickets: 461,
        },
        {
          Month: '1960-05',
          Flights: 42,
          Stops: 4,
          Tickets: 472,
        },
        {
          Month: '1960-06',
          Flights: 55,
          Stops: 5,
          Tickets: 535,
        },
        {
          Month: '1960-07',
          Flights: 62,
          Stops: 6,
          Tickets: 622,
        },///
        {
          Month: '1960-08',
          Flights: 66,
          Stops: 6,
          Tickets: 606,
        },
        {
          Month: '1960-09',
          Flights: 58,
          Stops: 5,
          Tickets: 508,
        },
        {
          Month: '1960-10',
          Flights: 41,
          Stops: 4,
          Tickets: 461,
        },
        {
          Month: '1960-11',
          Flights: 30,
          Stops: 3,
          Tickets: 390,
        },
        {
          Month: '1960-12',
          Flights: 42,
          Stops: 4,
          Tickets: 432,
        },
        {
          Month: '1961-01',
          Flights: 47,
          Stops: 4,
          Tickets: 427,
        },
        {
          Month: '1961-02',
          Flights: 41,
          Stops: 4,
          Tickets: 401,
        },
        {
          Month: '1961-03',
          Flights: 49,
          Stops: 4,
          Tickets: 429,
        },
      ];

      const independentVariables = [
        'Passengers',
      ];
      const dependentVariables = [
        'Passengers',
      ];
      const airlineColumns = [].concat(independentVariables, dependentVariables);
      const airlinetrainning_feature_column_options = airlineColumns
        .reduce((result, val) => {
          result[val] = ['scale', 'standard',];
          return result;
        }, {});
      const airlineData = await csv.loadCSV(csvPath);
      // console.log(airlineData.slice(100));
      const timeseriesTestEnvParameters = {
        modelDocument: {
          model_configuration: {
            model_type: 'ai-fast-forecast',
            // model_type:'ai-classification',
            model_category: 'timeseries',
          },
        },
        
      };
      const timeseriesModelTest = new ModelX({
        model_type:ModelTypes.FAST_FORECAST,
        training_options: {
          fit: {
            epochs: 50,
            batchSize: 1,
          },
          stateful: true,
          // lookBack: 3,
        },
        trainingData: airlineData,
        training_feature_column_options: airlinetrainning_feature_column_options,
        x_independent_features: independentVariables,
        y_dependent_labels: dependentVariables,
        prediction_timeseries_date_feature: 'Month',
        prediction_timeseries_start_date: '1960-01',
        prediction_timeseries_end_date: '1962-12',
        // y_raw_dependent_labels:rawDependentVariables,
      });
  
      const predictions = await timeseriesModelTest.predictModel({
        retrain: true,
        // cross_validate_training_data: false,
        // fixedModel: false,
        prediction_inputs: airline_prediction_inputs,
      });
      // console.log({ predictions });
      expect(predictions).toBeInstanceOf('array');
      expect(predictions.length).toBe(36);
    });
  });
  */