<?php

namespace bff\view;

use bff\extend\theme\Form;

/**
 * Block settings
 * @copyright Tamaranga
 */
trait HasSettings
{
    /** @var bool */
    protected $settingsFilled = false;
    /** @var bool */
    protected $noSettings = false;

    /**
     * Init settings form tabs
     * @param Form $form
     * @return void
     */
    public function settingsFormTab($form)
    {
        $form->tab($this->getKey(), is_a($this, Page::class) ? _t('@', 'General') : $this->getTitle());
    }

    /**
     * Fill settings form
     * @param Form $form
     * @return void
     */
    public function settingsForm($form)
    {
    }

    /**
     * Block admin settings to values map
     * @return array
     */
    public function settings()
    {
        return [];
    }

    /**
     * Fill settings (from settings form)
     * @param bool $force
     * @return void
     */
    public function fillSettings($force = false)
    {
        if ($this->settingsFilled && ! $force) {
            return;
        }

        $parent = $this->getParentPage();
        if (! $parent) {
            return;
        }

        if (! $parent->settingsFillAllowed()) {
            return;
        }

        $this->settingsFilled = true;
        $settings = $parent->getBlockSettings($this->getKey());
        if ($settings) {
            $this->setSettings($settings);
        }

        $this->onSettingsFilled();
    }

    /**
     * Handle settings fill event
     */
    protected function onSettingsFilled()
    {
    }

    /**
     * Hide/show block settings
     * @param bool|null $hide
     * @return bool
     */
    public function noSettings(?bool $hide = true)
    {
        if (! is_null($hide)) {
            $this->noSettings = $hide;
        }

        return $this->noSettings;
    }
}