import { HALF_MAX_ARRAY_LENGTH } from "../basic/_global";
import baseSortedIndexBy from "./_baseSortedIndexBy";

/** Used as references for the maximum length and index of an array. */
// const MAX_ARRAY_LENGTH = 4294967295;
// const HALF_MAX_ARRAY_LENGTH = MAX_ARRAY_LENGTH >>> 1;

/**
 * The base implementation of `sortedIndex` and `sortedLastIndex` which
 * performs a binary search of `array` to determine the index at which `value`
 * should be inserted into `array` in order to maintain its sort order.
 *
 * @private
 * @param {Array} array The sorted array to inspect.
 * @param {*} value The value to evaluate.
 * @param {boolean} [retHighest] Specify returning the highest qualified index.
 * @returns {number} Returns the index at which `value` should be inserted
 *  into `array`.
 */
function baseSortedIndex(array: Array<any>, value: any, retHighest?: boolean): number {
    let low = 0;
    let high = array == null ? low : array.length;

    if (typeof value === "number" && value === value && high <= HALF_MAX_ARRAY_LENGTH) {
        while (low < high) {
            const mid = (low + high) >>> 1;
            const computed = array[mid];
            if (computed !== null && (retHighest ? computed <= value : computed < value)) {
                low = mid + 1;
            } else {
                high = mid;
            }
        }
        return high;
    }
    return baseSortedIndexBy(array, value, value => value, retHighest);
}

export default baseSortedIndex;
// import baseSortedIndexBy from "./baseSortedIndexBy.js";
// import isSymbol from "../isSymbol.js";

// /** Used as references for the maximum length and index of an array. */
// const MAX_ARRAY_LENGTH = 4294967295;
// const HALF_MAX_ARRAY_LENGTH = MAX_ARRAY_LENGTH >>> 1;

// /**
//  * The base implementation of `sortedIndex` and `sortedLastIndex` which
//  * performs a binary search of `array` to determine the index at which `value`
//  * should be inserted into `array` in order to maintain its sort order.
//  *
//  * @private
//  * @param {Array} array The sorted array to inspect.
//  * @param {*} value The value to evaluate.
//  * @param {boolean} [retHighest] Specify returning the highest qualified index.
//  * @returns {number} Returns the index at which `value` should be inserted
//  *  into `array`.
//  */
// function baseSortedIndex(array, value, retHighest) {
//     let low = 0;
//     let high = array == null ? low : array.length;

//     if (typeof value === "number" && value === value && high <= HALF_MAX_ARRAY_LENGTH) {
//         while (low < high) {
//             const mid = (low + high) >>> 1;
//             const computed = array[mid];
//             if (computed !== null && !isSymbol(computed) && (retHighest ? computed <= value : computed < value)) {
//                 low = mid + 1;
//             } else {
//                 high = mid;
//             }
//         }
//         return high;
//     }
//     return baseSortedIndexBy(array, value, value => value, retHighest);
// }

// export default baseSortedIndex;
