const { inputs } = require("./inputs/03.json");

const joltageBanks = new Array();

/**
 * 
 * @param {String} bank 
 */
function getHighestJoltages(bank) {
    // Turn the string into an array of battery joltage values and their associated index
    const joltages = new Array();
    for (let i = 0; i < bank.length; i++) {
        joltages.push({
            "value": bank[i],
            "index": i
        });
    }

    // Sort them highest to lowest
    joltages.sort((a, b) => {
        if (a.value < b.value) return 1;
        else if (a.value === b.value) {
            if (a.index > b.index) return 1;
        }
        else return -1;
    });

    if (joltages[0].index == bank.length - 1) {
        const tmp0 = joltages[0];
        let tmp1;
        let nextLowestFound = false;
        let k = 1;
        while(nextLowestFound == false) {
            if (joltages[k].value < joltages[0].value) {
                tmp1 = joltages[k];
                nextLowestFound = true;
            } else {
                k++;
            }
        }
        joltages[0] = tmp1;
        joltages[1] = tmp0;
    }

    const finalJoltages = [
        joltages[0]
    ];

    let foundValid = false;
    let j = 1;
    while (foundValid == false) {
        if (joltages[j].index > joltages[0].index) {
            finalJoltages.push(joltages[j]);
            foundValid = true;
        } else {
            j++;
        }
    }

    return finalJoltages;
}

let counter = 1;


inputs.forEach(bank => {
    console.log("Bank: ", counter);
    const highestJoltages = getHighestJoltages(bank);
    if (highestJoltages[0].index > highestJoltages[1].index) {
        console.error(`Indexes must be in order!`);
    }
    joltageBanks.push("".concat(highestJoltages[0].value, highestJoltages[1].value));
    counter++;
});

let joltageSum = 0;
joltageBanks.forEach(bank => {
    const value = Number.parseInt(bank);
    joltageSum += value;
});

console.log(joltageSum);