'use strict'

module.exports = function (inputData, inputDictionary) {
    sortByCoordinates(inputData);

    const textMessages = inputData.map(function (item) {
        item.text;
    });

    // inputData.forEach(function(item) {
    //     item.geometry[0] = Math.log10(Math.sqrt(item.geometry[0] * Math.pow(2, 4)) / 256);
    //     item.geometry[1] = Math.log10(Math.sqrt(item.geometry[1] * Math.pow(2, 4)) / 256);
    // });

    const absentWords = [];
    for (let i = 0; i <= textMessages.length; i++) {
        let found = false;
        for (let j = 0; j < inputDictionary.length; j++) {
            if (textMessages[i] === inputDictionary[j]) {
                found = true;
            }
        }
        if (found) {
            absentWords.push(inputData[i].text);
        }
    }
    const resultMessage = absentWords.join(' ');

    if (absentWords.length < textMessages.length) {
        return "Unreadable message";
    } else {
        return resultMessage;
    }
}

function sortByCoordinates(arr) {
    arr.sort((a, b) => {
        a.geometry[0] < b.geometry[0];
    })
    // for (var i = 0, endI = arr.length - 1; i < endI; i++) {
    //     for (var j = 0, endJ = endI - i; j < endJ; j++) {
    //         if (arr[j].geometry[0] > arr[j + 1].geometry[0]) {
    //             var swap = arr[j];
    //             arr[j] = arr[j + 1];
    //             arr[j + 1] = swap;
    //         }
    //     }
    // }
    return arr;
}