/*
 * Copyright 2019 Scott Logic Ltd
 *
 * 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 com.scottlogic.datahelix.generator.core.guice;

import com.google.inject.Inject;
import com.google.inject.Provider;
import com.scottlogic.datahelix.generator.core.config.detail.DataGenerationType;
import com.scottlogic.datahelix.generator.core.generation.GenerationConfigSource;
import com.scottlogic.datahelix.generator.core.walker.decisionbased.OptionPicker;
import com.scottlogic.datahelix.generator.core.walker.decisionbased.RandomOptionPicker;
import com.scottlogic.datahelix.generator.core.walker.decisionbased.SequentialOptionPicker;

public class OptionPickerProvider implements Provider<OptionPicker> {
    private final GenerationConfigSource config;
    private final RandomOptionPicker randomOptionPicker;
    private final SequentialOptionPicker sequentialOptionPicker;

    @Inject
    public OptionPickerProvider(GenerationConfigSource config, RandomOptionPicker randomOptionPicker, SequentialOptionPicker sequentialOptionPicker){
        this.config = config;
        this.randomOptionPicker = randomOptionPicker;
        this.sequentialOptionPicker = sequentialOptionPicker;
    }

    @Override
    public OptionPicker get() {
        if (config.getGenerationType() == DataGenerationType.RANDOM){
            return randomOptionPicker;
        }

        return sequentialOptionPicker;
    }
}
