<?PHP
/**
 * An event as required for the plausibility checker for events.
 *
 * @author Joshua Ramon Enslin <joshua@museum-digital.de>
 */
declare(strict_types = 1);

/**
 * An event as required for the plausibility checker for events.
 */
final class MDPlausiEvent {

    public readonly int $event_type;
    public readonly MDEventCategory $event_category;

    public readonly string $time_name;
    public readonly string $time_start;
    public readonly string $time_end;
    public readonly int|false $time_start_normalized;
    public readonly int|false $time_end_normalized;

    public readonly string $actor_name;
    public readonly string $actor_birth;
    public readonly string $actor_death;
    public readonly int|false $actor_birth_normalized;
    public readonly int|false $actor_death_normalized;

    /**
     * Attempts to parse a time.
     *
     * @param string $time Time to parse.
     *
     * @return array{earliest: int|false, latest: int|false}
     */
    private function _attemptParsingTime(string $time):array {

        if (empty($time)) return ['earliest' => false, 'latest' => false];

        // 20, -1, 233, -233, 2005, -2005
        if (in_array(strlen($time), [2, 3, 4, 5], true) and is_numeric(substr($time, 1))) {
            return [
                'earliest' => strtotime($time . '-01-01'),
                'latest' => strtotime($time . '-12-31'),
            ];
        }

        // 2005-2006
        if (strlen($time) === 9) {
            $parts = explode('-', $time);
            if (count($parts) === 2) {
                return [
                    'earliest' => strtotime($parts[0]. '-01-01'),
                    'latest' => strtotime($parts[1]. '-12-31'),
                ];
            }
        }

        $strtotime = strtotime($time);
        return [
            'earliest' => $strtotime,
            'latest' => $strtotime,
        ];

    }

    /**
     * Constructor.
     *
     * @param integer $event_type  Event type.
     * @param string  $time_name   Time.
     * @param string  $time_start  Start.
     * @param string  $time_end    End.
     * @param string  $actor_name  Name of the linked actor.
     * @param string  $actor_birth Birth of the linked actor.
     * @param string  $actor_death Time of death of the linked actor.
     *
     * @return void
     */
    public function __construct(int $event_type, string $time_name, string $time_start, string $time_end, string $actor_name, string $actor_birth, string $actor_death) {

        $this->event_type = $event_type;
        $this->time_name = $time_name;
        $this->time_start = $time_start;
        $this->time_end = $time_end;
        $this->actor_name = $actor_name;
        $this->actor_birth = $actor_birth;
        $this->actor_death = $actor_death;

        $this->time_start_normalized = $this->_attemptParsingTime($time_start)['earliest'];
        $this->time_end_normalized = $this->_attemptParsingTime($time_end)['latest'];

        $this->actor_birth_normalized = $this->_attemptParsingTime($actor_birth)['earliest'];
        $this->actor_death_normalized = $this->_attemptParsingTime($actor_death)['latest'];

        $this->event_category = MDEventCategory::fromEventType($event_type);

    }
}