'use strict';

const createBufferReader = require("../buffer-reader");

module.exports = function parsePathTableRecord(data, tableType) {
    let bufferReader = createBufferReader(data);

    let extentLocation, parentDirectoryIndex;
    let identifierLength = bufferReader.int8(0);

    if (tableType === "L") {
        extentLocation = bufferReader.int32_LSB(2);
        parentDirectoryIndex = bufferReader.int16_LSB(6);
    } else if (tableType === "M") {
        extentLocation = bufferReader.int32_MSB(2);
        parentDirectoryIndex = bufferReader.int16_MSB(6);
    } else {
        throw new Error("Unknown path table type");
    }

    return {
        identifierLength: identifierLength,
        earLength: bufferReader.int8(1),
        extentLocation: extentLocation,
        parentDirectoryIndex: parentDirectoryIndex,
        identifier: bufferReader.strFilename(8, identifierLength)
    }
};