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package com.github.damianwajser.model.body;

import java.lang.reflect.Method;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import java.util.Optional;

import org.apache.commons.lang3.builder.ToStringBuilder;

import com.fasterxml.jackson.annotation.JsonIgnore;
import com.fasterxml.jackson.annotation.JsonUnwrapped;
import com.fasterxml.jackson.module.jsonSchema.JsonSchema;
import com.github.damianwajser.model.details.DetailField;
import com.github.damianwajser.utils.ReflectionUtils;

public abstract class Body {

	@JsonIgnore
	private Method method;
	@JsonIgnore
	private Class parametrizedClass;

	@JsonUnwrapped
	private List fields = new ArrayList<>();

	private JsonSchema jsonSchema;

	public Body() {
	}

	public Body(Method m, Class controllerClass) {
		this.method = m;
		this.parametrizedClass = controllerClass;
		this.fields = this.buildFields();
		this.setJsonSchema(fillJsonSchema());
	}

	protected abstract JsonSchema fillJsonSchema();

	protected abstract List buildFields();

	public List getFields() {
		if (fields != null)
			Collections.sort(fields, (f, f1) -> f.getName().compareTo(f1.getName()));
		return fields;
	}

	protected Method getMethod() {
		return this.method;
	}

	protected Class getParametrizedClass() {
		return this.parametrizedClass;
	}

	public JsonSchema getJsonSchema() {
		return jsonSchema;
	}

	public void setJsonSchema(JsonSchema jsonSchema) {
		this.jsonSchema = jsonSchema;
	}

	@Override
	public String toString() {
		return ToStringBuilder.reflectionToString(this);
	}

	@JsonIgnore
	public Optional> getClassParameter() {
		return ReflectionUtils.getClass(this.getMethod().getGenericReturnType());
	}

}