//================================================================
/**
 * @packageDocumentation
 * @module std
 */
//================================================================
import { InsertIteratorBase } from "../internal/iterator/InsertIteratorBase";

import { IForwardIterator } from "./IForwardIterator";
import { IPointer } from "../functional/IPointer";
import { IInsert } from "../internal/container/partial/IInsert";

import { equal_to } from "../functional/comparators";

/**
 * Insert iterator.
 *
 * @author Jeongho Nam - https://github.com/samchon
 */
export class InsertIterator<
    Container extends IInsert<Iterator>,
    Iterator extends IForwardIterator<IPointer.ValueType<Iterator>, Iterator>,
> extends InsertIteratorBase<
    IPointer.ValueType<Iterator>,
    InsertIterator<Container, Iterator>
> {
    private container_: Container;
    private it_: Iterator;

    /* ---------------------------------------------------------
        METHODS
    --------------------------------------------------------- */
    /**
     * Initializer Constructor.
     *
     * @param container Target container to insert.
     * @param it Iterator to the position to insert.
     */
    public constructor(container: Container, it: Iterator) {
        super();

        this.container_ = container;
        this.it_ = it;
    }

    /**
     * @inheritDoc
     */
    public set value(val: IPointer.ValueType<Iterator>) {
        this.it_ = this.container_.insert(this.it_, val);
        this.it_ = this.it_.next() as Iterator;
    }

    /**
     * @inheritDoc
     */
    public equals(obj: InsertIterator<Container, Iterator>): boolean {
        return equal_to(this.it_, obj.it_);
    }
}