<?php

declare(strict_types=1);

/* NO INTERFACE here, see html examples for it */

# Quick tour of the main features of Condorcet PHP

// I - Install
    use CondorcetPHP\Condorcet\{Candidate, Election, Vote};

    $firstPart = '';

/* THE FOLLOWING CODE IS LIVE FOLLOWING THE FIRST PART EXPRESSED IN THE PREVIOUS FILE "1. Overview.php" */
    require_once __DIR__.'/1. Overview.php';


// VI - Play with Condorcet objects (Advanced)

    // Create a second election
    $election2 = new Election;

            // Create three candidate : 'A', 'B' and 'C'
    for ($i = 0; $i < 3; $i++) {
            $election2->addCandidate();
    }


    # Same candidate in multiple elections

    // Add two participating candidates from $election1
    $election2->addCandidate($election1->getCandidateObjectFromName('Debussy'));
    $election2->addCandidate($myLutoCandidate);

    // And, I can change again theirs name. The new name is now applied in the two elections and their votes. If namesake in another election, an exception is throw.
    $myLutoCandidate->setName('W.Lutoslawski');

    // Have a look on $myLutoCandidate history
    $myLutoCandidate->getHistory();

    // Have a look to a vote from $election1. The candidate name have changed.
    $myVote4->getContextualRanking($election1, true);

    // In what elections, this candidates have a part ?
        $myLutoCandidate->getLinks(); // Get his the two Election objects
        $myLutoCandidate->countLinks(); // Or just count it. return (int) 2.


    # The same vote applied to multiple elections.

    $myNewVote = new Vote([
        1 => $election1->getCandidateObjectFromName('Debussy'),
        2 => $election2->getCandidateObjectFromName('A'),
        3 => $election1->getCandidateObjectFromName('Olivier Messiaen'),
        4 => $election2->getCandidateObjectFromName('B'),
        5 => $election1->getCandidateObjectFromName('Koechlin'),
        6 => $election1->getCandidateObjectFromName('W.Lutoslawski'),
        7 => new Candidate('Another candidate'), // This one does not takes part in any of two elections.
        8 => $election1->getCandidateObjectFromName('Caplet'),
        9 => $election2->getCandidateObjectFromName('C'),
    ]);

    // Add it on election 1 and 2
    $election1->addVote($myNewVote);
    $election2->addVote($myNewVote);

    // Check ranking
    $myNewVote->getRanking(); // Here you get the original 9 ranks.
    // Check ranking
    $myNewVote->getContextualRanking($election1); // Here you get the vote applicable to $election 1
    $myNewVote->getContextualRanking($election2); // Here you get the vote applicable to $election 2

    // In what election, this candidates have a part ?
        $myNewVote->getLinks(); // Get Condorcet objects
        $myNewVote->countLinks(); // Or just count it

    // Now we can change vote ranking. result from all election will be affected.
    $myNewVote->setRanking([
        1 => $election2->getCandidateObjectFromName('B'),
        2 => $election1->getCandidateObjectFromName('Koechlin'),
        3 => $election1->getCandidateObjectFromName('W.Lutoslawski'),
    ]);

    # Get Ranking history
    $myNewVote->getHistory();


print 'Success!
Process in: '. round(microtime(true) - $start_time, 3) . 's';