<?php if (!defined('APPLICATION')) exit();

/**
 * This rule awards badges to a particular post's owner when it receives the
 * target number of reactions.
 *
 * @author Zachary Doll
 * @since 1.0
 * @package Yaga
 */
class PostReactions implements YagaRule {

    public function award($sender, $user, $criteria) {
        $args = $sender->EventArguments;
        // Check to see if the submitted action is a target
        $prop = 'ActionID_'.$sender->EventArguments['ActionID'];
        if (property_exists($criteria, $prop)) {
            $value = $criteria->$prop;
            if ($value <= 0 || $value == false) {
                return false;
            }
        } else {
            return false;
        }

        // Get the reaction counts for this parent item
        $reactionModel = Gdn::getContainer()->get(ReactionModel::class);
        $reactions = $reactionModel->getList($args['ParentID'], $args['ParentType']);

        // Squash the dataset into an array
        $counts = [];
        foreach ($reactions as $reaction) {
            $counts['ActionID_'.$reaction->ActionID] = $reaction->Count;
        }

        // Actually check for the reaction counts
        foreach ($criteria as $actionID => $target) {
            if ($counts[$actionID] < $target) {
                return false;
            }
        }

        // The owner should be awarded
        return $args['ParentUserID'];
    }

    public function form($form) {
        $actions = Gdn::getContainer()->get(ActionModel::class)->get();

        $string = $form->label('Yaga.Rules.PostReactions.Criteria.Head', 'ReactionCount');

        $actionList = '';
        foreach ($actions as $action) {
            $actionList .= wrap(sprintf(Gdn::translate('Yaga.Rules.PostReactions.LabelFormat'), $action->Name).$form->textbox('ActionID_'.$action->ActionID), 'li');
        }

        if ($actionList == '') {
            $string .= Gdn::translate('Yaga.Error.NoActions');
        } else {
            $string .= wrap($actionList, 'ul');
        }

        return $string;
    }

    public function validate($criteria, $form) {
        $validation = new Gdn_Validation();

        foreach ($criteria as $actionID => $target) {
            $validation->applyRule($actionID, 'Integer');
        }

        $validation->validate($criteria);
        $form->setValidationResults($validation->results());
    }

    public function hooks() {
        return ['reactionModel_afterReactionSave'];
    }

    public function description() {
        $description = Gdn::translate('Yaga.Rules.PostReactions.Desc');
        return wrap($description, 'div', ['class' => 'alert alert-info padded']);
    }

    public function name() {
        return Gdn::translate('Yaga.Rules.PostReactions');
    }

    public function interacts() {
        return true;
    }

}