import type { CpNode } from "../cp-node.js";
import { getAllBetween } from "./get-all-between.js";
import { getBoundaryBeziersToNext } from "./get-boundary-beziers-to-next.js";


/**
 * Returns the bezier curves of the shape boundary from the contact point of
 * the first given `CpNode` to that of the second (following `next`), together
 * with whether a hole closer was passed on the way.
 *
 * * If the second `CpNode` is never encountered the entire boundary is
 * returned.
 *
 * @param cpNode1
 * @param cpNode2
 * @param inclAllIfEqual if `true` and the two `CpNode`s are equal then return
 * the entire boundary, otherwise return nothing.
 */
function getBoundaryBeziersBetween(
        cpNode1: CpNode,
        cpNode2: CpNode,
        inclAllIfEqual = true): {
            pss: number[][][],
            hasHoleCloser: boolean
        } {

    const { cpNodes, hasHoleCloser } =
        getAllBetween(cpNode1,cpNode2,inclAllIfEqual);

    const pss = cpNodes.flatMap(getBoundaryBeziersToNext);

    return { pss, hasHoleCloser }
}


export { getBoundaryBeziersBetween }