package com.moparisthebest.jdbc.codegen;

import javax.lang.model.element.*;
import javax.lang.model.type.TypeMirror;
import java.lang.annotation.Annotation;
import java.util.List;
import java.util.Set;

/**
 * Created by mopar on 6/1/17.
 */
class SpecialVariableElement implements VariableElement {

	enum SpecialType {
		BIND_IN_LIST,
		IN_LIST,
		CLOB,
		BLOB,
		SQL,
		STR_BOOLEAN,
	}

	final VariableElement delegate;
	final SpecialType specialType;
	final String blobStringCharset;
	final int index;
	final boolean iterable, bindable;

	String name, componentTypeString;

	SpecialVariableElement(final VariableElement delegate, final SpecialType specialType) {
		this(delegate, specialType, null, 0);
	}

	SpecialVariableElement(final VariableElement delegate, final SpecialType specialType, final int index) {
		this(delegate, specialType, null, index);
	}

	SpecialVariableElement(final VariableElement delegate, final SpecialType specialType, final String blobStringCharset) {
		this(delegate, specialType, blobStringCharset, 0);
	}

	SpecialVariableElement(final VariableElement delegate, final SpecialType specialType, final String blobStringCharset, final int index) {
		this.delegate = delegate;
		this.specialType = specialType;
		this.blobStringCharset = blobStringCharset;
		this.index = index;
		this.name = getSimpleName().toString();
		this.iterable = specialType == SpecialType.SQL && JdbcMapperProcessor.types.isAssignable(delegate.asType(), JdbcMapperProcessor.iterableType);
		this.bindable = !this.iterable && specialType == SpecialType.SQL && JdbcMapperProcessor.types.isAssignable(delegate.asType(), JdbcMapperProcessor.bindableType);
	}

	public String getName() {
		return name;
	}

	public void setName(String name) {
		this.name = name;
	}

	public String getComponentTypeString() {
		return componentTypeString;
	}

	public void setComponentTypeString(String componentTypeString) {
		this.componentTypeString = componentTypeString;
	}

	@Override
	public Object getConstantValue() {
		return delegate.getConstantValue();
	}

	@Override
	public TypeMirror asType() {
		return delegate.asType();
	}

	@Override
	public ElementKind getKind() {
		return delegate.getKind();
	}

	@Override
	public List<? extends AnnotationMirror> getAnnotationMirrors() {
		return delegate.getAnnotationMirrors();
	}

	@Override
	public <A extends Annotation> A getAnnotation(final Class<A> annotationType) {
		return delegate.getAnnotation(annotationType);
	}

	@Override
	public Set<Modifier> getModifiers() {
		return delegate.getModifiers();
	}

	@Override
	public Name getSimpleName() {
		return delegate.getSimpleName();
	}

	@Override
	public Element getEnclosingElement() {
		return delegate.getEnclosingElement();
	}

	@Override
	public List<? extends Element> getEnclosedElements() {
		return delegate.getEnclosedElements();
	}

	@Override
	public boolean equals(final Object obj) {
		return delegate.equals(obj);
	}

	@Override
	public int hashCode() {
		return delegate.hashCode();
	}

	@Override
	public <R, P> R accept(final ElementVisitor<R, P> v, final P p) {
		return delegate.accept(v, p);
	}

	//IFJAVA8_START

	@Override
	public <A extends Annotation> A[] getAnnotationsByType(final Class<A> annotationType) {
		return delegate.getAnnotationsByType(annotationType);
	}

	//IFJAVA8_END

	@Override
	public String toString() {
		return "SpecialVariableElement{" +
				"delegate=" + delegate +
				'}';
	}
}