<?php

namespace DNW\Skills;

/**
 * Represents a player who has a Rating.
 */
class Player implements ISupportPartialPlay, ISupportPartialUpdate, \Stringable
{
    final const DEFAULT_PARTIAL_PLAY_PERCENTAGE = 1.0; // = 100% play time

    final const DEFAULT_PARTIAL_UPDATE_PERCENTAGE = 1.0;

    private $_PartialPlayPercentage;

    private $_PartialUpdatePercentage;

    /**
     * Constructs a player.
     *
     * @param mixed  $_Id                     The identifier for the player, such as a name.
     * @param number $partialPlayPercentage   The weight percentage to give this player when calculating a new rank.
     * @param number $partialUpdatePercentage Indicated how much of a skill update a player should receive where 0 represents no update and 1.0 represents 100% of the update.
     */
    public function __construct(
        private $_Id,
        $partialPlayPercentage = self::DEFAULT_PARTIAL_PLAY_PERCENTAGE,
        $partialUpdatePercentage = self::DEFAULT_PARTIAL_UPDATE_PERCENTAGE
    ) {
        // If they don't want to give a player an id, that's ok...
        Guard::argumentInRangeInclusive($partialPlayPercentage, 0.0, 1.0, 'partialPlayPercentage');
        Guard::argumentInRangeInclusive($partialUpdatePercentage, 0, 1.0, 'partialUpdatePercentage');
        $this->_PartialPlayPercentage = $partialPlayPercentage;
        $this->_PartialUpdatePercentage = $partialUpdatePercentage;
    }

    /**
     * The identifier for the player, such as a name.
     */
    public function getId()
    {
        return $this->_Id;
    }

    /**
     * Indicates the percent of the time the player should be weighted where 0.0 indicates the player didn't play and 1.0 indicates the player played 100% of the time.
     */
    public function getPartialPlayPercentage()
    {
        return $this->_PartialPlayPercentage;
    }

    /**
     * Indicated how much of a skill update a player should receive where 0.0 represents no update and 1.0 represents 100% of the update.
     */
    public function getPartialUpdatePercentage()
    {
        return $this->_PartialUpdatePercentage;
    }

    public function __toString(): string
    {
        return (string) $this->_Id;
    }
}