<?php


namespace App\View;

class WidgetFactory
{
    private $labelCols = 3, $fieldCols = 8;

    /** Configure layout used for future elements */
    public function setLayout($labelCols, $fieldCols)
    {
        $this->labelCols = $labelCols;
        $this->fieldCols = $fieldCols;
    }

    public function help($text)
    {
        return view('form._help-inner', ['help' => $text]);
    }

    public function header($hx, $text)
    {
        return  "<div class=\"row\">".
                    "<h$hx class=\"col-md-$this->fieldCols offset-md-$this->labelCols\">".e($text)."</h$hx>".
                "</div>";
    }

    public function par($text, $extraClasses='', $escape=true)
    {
        if (false === strpos($extraClasses, 'mb-')) $extraClasses .= ' mb-2';

        return
            "<div class=\"row\">".
                "<p class=\"col-md-$this->fieldCols offset-md-$this->labelCols ".e($extraClasses)."\">".
                    ($escape ? e($text) : $text) .
                "</p>".
            "</div>";
    }

    /**
     * Convert the given string to a-href if it is a link.
     *
     * @param $href
     * @return string
     */
    public function tryLink($href)
    {
        $href = trim($href);
        if (starts_with($href, ['http://', 'https://', 'mailto:', 'ftp://'])) {
            $href_e = e($href);
            return "<a href=\"".$href_e."\">".$href_e."</a>";
        } else {
            return $href;
        }
    }

    public function collapsible($text, $thrSize, $maxHeight)
    {
        return new CollapsibleTextBoxWidget($text, $thrSize, $maxHeight);
    }

    private function baseWidget($view, $name, $label)
    {
        return (new Widget($view, $name, $label))->layout($this->labelCols, $this->fieldCols);
    }

    public function text($name, $label)
    {
        return $this->baseWidget('input', $name, $label);
    }

    public function password($name, $label)
    {
        return $this->baseWidget('input', $name, $label)->type('password');
    }

    public function number($name, $label)
    {
        return $this->baseWidget('input', $name, $label)->type('number');
    }

    public function email($name, $label)
    {
        return $this->baseWidget('input', $name, $label)->type('email');
    }

    public function checkbox($name, $label)
    {
        return (new CheckboxWidget('checkbox', $name, $label))
            ->layout($this->labelCols, $this->fieldCols);
    }

    public function textarea($name, $label)
    {
        return $this->baseWidget('textarea', $name, $label)->minHeight('4em');
    }
}