football-scoreboard/dist/scoreboard.js

A live football World Cup scoreboard library.

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.Scoreboard = void 0;
const match_1 = require("./match");
const constants_1 = require("./constants");
class Scoreboard {
    constructor() {
        this.matches = new Map();
        this.sortedMatches = [];
        this.activeTeams = new Set();
    }
    startMatch(homeTeam, awayTeam) {
        const { homeTeamNormalized, awayTeamNormalized } = this.getNormalizedTeams(homeTeam, awayTeam);
        if (this.isSameTeam(homeTeamNormalized, awayTeamNormalized))
            throw new Error(constants_1.ERROR_SAME_TEAM);
        if (this.isPlaying(homeTeamNormalized, awayTeamNormalized))
            throw new Error(constants_1.ERROR_ALREADY_PLAYING);
        const matchKey = this.generateMatchKey(homeTeamNormalized, awayTeamNormalized);
        const match = new match_1.Match(homeTeam, awayTeam);
        const insertIndex = this.findInsertionIndex(match);
        this.matches.set(matchKey, match);
        this.sortedMatches.splice(insertIndex, 0, match);
        this.activeTeams.add(homeTeamNormalized);
        this.activeTeams.add(awayTeamNormalized);
    }
    updateScore(homeTeam, awayTeam, newHomeScore, newAwayScore) {
        const { homeTeamNormalized, awayTeamNormalized } = this.getNormalizedTeams(homeTeam, awayTeam);
        const matchKey = this.generateMatchKey(homeTeamNormalized, awayTeamNormalized);
        const match = this.matches.get(matchKey);
        if (match) {
            match.updateScore(newHomeScore, newAwayScore);
            const removeIndex = this.sortedMatches.indexOf(match);
            this.sortedMatches.splice(removeIndex, 1);
            const insertIndex = this.findInsertionIndex(match);
            this.sortedMatches.splice(insertIndex, 0, match);
        }
        else
            throw new Error(constants_1.ERROR_NO_MATCH);
    }
    finishMatch(homeTeam, awayTeam) {
        const { homeTeamNormalized, awayTeamNormalized } = this.getNormalizedTeams(homeTeam, awayTeam);
        const matchKey = this.generateMatchKey(homeTeamNormalized, awayTeamNormalized);
        const match = this.matches.get(matchKey);
        if (match) {
            const removeIndex = this.sortedMatches.indexOf(match);
            this.sortedMatches.splice(removeIndex, 1);
            this.matches.delete(matchKey);
            this.activeTeams.delete(homeTeamNormalized);
            this.activeTeams.delete(awayTeamNormalized);
        }
        else
            throw new Error(constants_1.ERROR_NO_MATCH);
    }
    getSummary() {
        return this.sortedMatches.map((match, index) => `${index + 1}. ${match.homeTeam} ${match.homeScore} - ${match.awayTeam} ${match.awayScore}`);
    }
    findInsertionIndex(newMatch) {
        const totalScore = newMatch.homeScore + newMatch.awayScore;
        let low = 0;
        let high = this.sortedMatches.length;
        while (low < high) {
            const mid = Math.floor((low + high) / 2);
            const midMatch = this.sortedMatches[mid];
            const midScore = midMatch.homeScore + midMatch.awayScore;
            if (totalScore > midScore) {
                high = mid;
            }
            else if (totalScore < midScore) {
                low = mid + 1;
            }
            else if (newMatch.startTime > midMatch.startTime) {
                high = mid;
            }
            else {
                low = mid + 1;
            }
        }
        return low;
    }
    getNormalizedTeams(homeTeam, awayTeam) {
        const normalize = (team) => team.trim().toLowerCase();
        return {
            homeTeamNormalized: normalize(homeTeam),
            awayTeamNormalized: normalize(awayTeam),
        };
    }
    generateMatchKey(homeTeamNormalized, awayTeamNormalized) {
        return `${homeTeamNormalized} vs ${awayTeamNormalized}`;
    }
    isSameTeam(homeTeamNormalized, awayTeamNormalized) {
        return homeTeamNormalized === awayTeamNormalized;
    }
    isPlaying(homeTeamNormalized, awayTeamNormalized) {
        return (this.activeTeams.has(homeTeamNormalized) ||
            this.activeTeams.has(awayTeamNormalized));
    }
}
exports.Scoreboard = Scoreboard;