Arena Tier

function arenaTier(input) {
    let start = 0;
    let endProgram = false;
    let obj = {};
    for (let line of input) {
        if (line === "Ave Cesar") {     // ends the loop
            endProgram = true;
            break;
        }
        if (line.includes("vs")) {      // fighting
            start = input.indexOf(line);
            break;

        } else {
            let [name, technique, skill] = line.split(" -> ");
            skill = Number(skill);
            if (!obj.hasOwnProperty(name)) {
                obj[name] = {};
                obj[name][technique] = skill;
            } else if (obj.hasOwnProperty(name) && !obj[name].hasOwnProperty(technique)) {
                obj[name][technique] = skill;
            } else if (obj.hasOwnProperty(name) && obj[name].hasOwnProperty(technique)) {
                if (skill > obj[name][technique]) {
                    obj[name][technique] = skill;
                }
            }
        }
    }
    for (let name in obj) {      // calc totalSkill
        let totalSkill = 0;
        for (let tech in obj[name]) {
            totalSkill += obj[name][tech];
        }
        obj[name].totalSkill = totalSkill;
    }

    if (start > 0) {
        for (let i = start; i < input.length; i++) {
            if (input[i] === "Ave Cesar") {
                endProgram = true;
                break;
            }
            let [gladiator1, gladiator2] = input[i].split(" vs ");
            let willFight = false;
            let commonTechnique = "";
            if (obj.hasOwnProperty(gladiator1) && obj.hasOwnProperty(gladiator2)) {
                for (let tech in obj[gladiator1]) {
                    if (obj[gladiator2].hasOwnProperty(tech)) {
                        willFight = true;
                        commonTechnique = tech;
                        break;
                    }
                }
            }
            if (willFight) {
                if (obj[gladiator1].totalSkill > obj[gladiator2].totalSkill) {
                    delete obj[gladiator2];
                } else if (obj[gladiator1].totalSkill < obj[gladiator2].totalSkill) {
                    delete obj[gladiator1];
                }
            }
        }
    }

    let sorted = Object.entries(obj).sort((a, b) => {    //sorted by totalSkill first, by name second
        if (b[1].totalSkill - a[1].totalSkill === 0) {
            return a[0].localeCompare(b[0]);
        } else {
            return b[1].totalSkill - a[1].totalSkill;
        }
    });

    if (endProgram) {       // Ave Cesar
        for (let pair of sorted) {
            console.log(`${pair[0]}: ${pair[1].totalSkill} skill`);
            pair[1] = Object.entries(pair[1]).sort((a, b) => {
                if (b[1] - a[1] !== 0) {
                    return b[1] - a[1];
                } else {
                    return a[0].localeCompare(b[0]);
                }
            });
            for (let kvp of pair[1]) {
                if (kvp[0] !== "totalSkill") {
                    console.log(`- ${kvp[0]} <!> ${kvp[1]}`);
                }
            }
        }
    }
}