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import { getMatchCount, shuffle } from "./utils.mjs";

class Team {
    constructor(playerOne, playerTwo) {
        this.playerOne = playerOne;
        this.playerTwo = playerTwo;
    }
    print() {
        console.log(this.playerOne + " and " + this.playerTwo);
    }
    render() {
        return `<td style="width: 23%;">${this.playerOne}</td><td style="width: 23%;">${this.playerTwo}</td>`;
    }
}

export class Game {
    constructor(court, team_1, team_2) {
        this.courtId = court.id;
        this.team_1 = team_1;
        this.team_2 = team_2;
    }
    print() {
        let team_1 = this.team_1.playerOne + " and " + this.team_1.playerTwo;
        let team_2 = this.team_2.playerOne + " and " + this.team_2.playerTwo;
        console.log(team_1 + " is playing against " + team_2);
    }
    render() {
        let type = this.team_1.playerOne === "RESERVED" ? `class="is-danger is-dark"` : ``;
        // type = this.team_1.playerOne === "---" ? `class="is-warning is-dark"` : ``;
        return `<tr ${type}><td align="center" style="width: 8%;">${this.courtId + 1}</td>${this.team_1.render()}${this.team_2.render()}</tr>`;
    }
}

export function generateDummyGames(courts, description) {
    let team = new Team(description, description);
    let games = [];
    for (const court of courts ) {
        let game = new Game(court, team, team);
        games.push(game);
    }
    return games;
}

export class Round {
    constructor(games, number) {
        this.games = games;
        this.description = typeof number === 'undefined' ? "Proposal" : "Round " + number;
    }
    render() {
        let output = `<table class="table is-fullwidth"><thead><th colspan='5'>${this.description}</th><tr><th align="center">Court</th><th align="center" colspan='2'>Team 1</th><th colspan='2' align="center">Team 2</th></tr></thead>`;
        for (const game of this.games ) {
            output += game.render()
        }
        output += "</table>";
        return output;
    }
}

export function proposeGames(players, courts) {
    console.log("Proposing new games!");
    let possibleMatches = getMatchCount(players, courts);
    let requiredPlayers = possibleMatches * 4;
    console.log("Required players are " + requiredPlayers);
    const activeCourts = courts.filter(function (c) { return c.status });
    const inactiveCourts = courts.filter(function (c) { return !c.status });
    const activePlayers = players.filter(function (p) { return p.status;});
    console.log("Total reserved courts are " + inactiveCourts.length + ".");
    console.log("Total possible matches are " + possibleMatches + ".");
    console.log("Active players are:");
    console.log(activePlayers.map((i) => {return i.name;}).join(','));
    const shuffledPlayers = shuffle(activePlayers);
    shuffledPlayers.sort((a, b) => a.totalPlayed - b.totalPlayed);
    const selectedPlayers = shuffledPlayers.slice(0, requiredPlayers);
    selectedPlayers.sort((a, b) => a.level - b.level);
    console.log("Selected players are:");
    console.log(selectedPlayers.map((i) => {return i.name;}).join(','));
    console.log("The matches are:");
    let games = generateDummyGames(activeCourts.slice(possibleMatches + 1), "---");
    games = games.concat(generateDummyGames(inactiveCourts, "RESERVED"));
    for (let index = 0; index < possibleMatches; index++) {
        const startIndex = 4 * index;
        const endIndex = startIndex + 4;
        const courtPlayers = selectedPlayers.slice(startIndex, endIndex);
        const team_1 = new Team(courtPlayers[0].name, courtPlayers[3].name);
        const team_2 = new Team(courtPlayers[1].name, courtPlayers[2].name);
        const game = new Game(activeCourts[index], team_1, team_2);
        game.print();
        games.push(game);
    }
    games.sort((a, b) => a.courtId - b.courtId);
    return games;
}