<?php

namespace bff\tpl\admin;

use bff\exception\AdminFormsException;

class BlockFormsTabs extends Block
{
    use BlockWrap;

    protected $list;

    protected $_forms = [];

    public $titleEdit;
    public $titleAdd;

    public $pills = false; # Вид подключаемых форм (табы или таблетки)
    public $popup = false; # Отображение форм как popup или inline

    /**
     * Конструктор
     * @param BlockList $list список для которого сформировать табы форм
     */
    public function __construct(BlockList $list)
    {
        $this->list = $list;
        $this->setController($list->getController(), $list->getControllerAction());
        $this->setTemplateDir($list->getTemplateDir());
    }

    /**
     * Добавление формы
     * @param Form $form
     * @param array $opt
     * @throws AdminFormsException
     */
    public function formAdd($form, array $opt = [])
    {
        $id = $form->id();
        if (isset($this->_forms[$id])) {
            throw new AdminFormsException('Error initialization ' . static::class . '. Form with ID = ' . $id . ' already exist');
        }
        $this->_forms[$id] = [
            'id'    => $id,
            'form'  => $form,
            'opt'   => $opt,
        ];
    }

    protected function allowedForms($recordID)
    {
        $forms = $this->_forms;
        foreach ($forms as $k => $v) {
            if ($recordID) {
                if (isset($v['opt']['edit']) && ! $v['opt']['edit']) {
                    unset($forms[$k]);
                    continue;
                }
            } else {
                if (isset($v['opt']['add']) && ! $v['opt']['add']) {
                    unset($forms[$k]);
                    continue;
                }
            }
        }
        return $forms;
    }

    /**
     * Поиск активной формы
     * @param integer $recordID
     * @return Form
     */
    protected function activeForm($recordID)
    {
        $form = false;
        $forms = $this->allowedForms($recordID);
        $ftab = (int)$this->input->postget('ftab', TYPE_STR);  # don't change TYPE_STR to TYPE_INT
        if (isset($forms[ $ftab ])) {
            $form = $forms[ $ftab ]['form'];
        }
        if ( ! $form) {
            foreach ($forms as $v) {
                $form = $v['form'];
                break;
            }
        }
        if ( ! $form) {
            $form = reset($this->_forms);
            $form = $form['form'];
        }
        return $form;
    }

    /**
     * Генерация контента формы
     * @param integer|string $recordID ID записи
     * @throws
     * @return string HTML
     */
    public function content($recordID)
    {
        $jsObjectList = $this->list->getTemplateJsObject();
        $forms = $this->allowedForms($recordID);
        $form = $this->activeForm($recordID);
        $record = ['recordID' => $recordID];
        if (count($forms) > 1 || $this->pills) {
            $this->wrapper()->icon($form->wrapper()->data('icon'));
            $this->wrapper()->title($recordID ? $this->titleEdit : $this->titleAdd);
            $form->wrapper()->popup($this->popup);
            $form->wrapper()->hide();
            foreach ($forms as & $v) {
                /** @var Form $f */
                $f = $v['form'];
                $v['title'] = ! empty($f->title) ? static::obCallableAuto($f->title) : 'Form'.$f->id();
            } unset($v);
            $data = [
                'recordID'  => $recordID,
                'forms'     => $forms,
                'active'    => $form->id(),
                'content'   => $form->view($record),
                'jsObjectList'  => $jsObjectList,
            ];
            return $this->render($data, 'block.forms.tabs');
        } else {
            $form->jsHistory($jsObjectList, $recordID ? $this->list->urlEdit($recordID) : $this->list->urlAdd());
            $form->wrapper()->titleDefault($recordID ? $this->titleEdit : $this->titleAdd);
            $form->wrapper()->popup($this->popup);
            return $form->view($record);
        }
    }

    /**
     * Пробрасывание события onBeforeDelete от списка к формам
     * @param integer $recordID ID записи
     */
    public function onBeforeDelete($recordID)
    {
        foreach ($this->_forms as $v) {
            /** @var $form Form */
            $form = $v['form'];
            $form->recordBeforeDelete($recordID);
        }
    }

    /**
     * Пробрасывание события onDelete от списка к формам
     * @param integer $recordID ID записи
     */
    public function onDelete($recordID)
    {
        foreach ($this->_forms as $v) {
            /** @var $form Form */
            $form = $v['form'];
            $form->recordDelete($recordID);
        }
    }

    /**
     * Возвращаем название CSS класса блока
     * @param string $plus
     * @return string
     */
    public function cssClass($plus = '')
    {
        return parent::cssClass(
            '-forms-tabs'
            . ($plus !== '' ? '-' . $plus : '')
        );
    }

    /**
     * Список доступных форм
     * @return array
     */
    public function forms(): array
    {
        $forms = [];
        foreach ($this->_forms as $k => $v) {
            if (empty($v['form'])) {
                continue;
            }
            $forms[$k] = $v['form'];
        }

        return $forms;
    }

}