<?php declare(strict_types = 0);
/*
** Copyright (C) 2001-2026 Zabbix SIA
**
** This program is free software: you can redistribute it and/or modify it under the terms of
** the GNU Affero General Public License as published by the Free Software Foundation, version 3.
**
** This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
** without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
** See the GNU Affero General Public License for more details.
**
** You should have received a copy of the GNU Affero General Public License along with this program.
** If not, see <https://www.gnu.org/licenses/>.
**/


class CColor extends CDiv {

	private $name;
	private $value;
	private $enabled = true;
	private $append_color_picker_js = true;
	private $input_id;

	/**
	 * Either "Use default" is enabled.
	 *
	 * @var bool
	 */
	private $use_default = false;

	/**
	 * Creates a color picker form element.
	 *
	 * @param string $name      Color picker field name.
	 * @param string $value     Color value in HEX RGB format.
	 * @param string $input_id  (optional) Color input field id.
	 */
	public function __construct($name, $value, $input_id = null) {
		parent::__construct();

		$this->name = $name;
		$this->value = $value;
		$this->input_id = $input_id;
	}

	/**
	 * Enable or disable the element.
	 *
	 * @param bool $enabled
	 *
	 * @return CColor
	 */
	public function setEnabled(bool $enabled = true): self {
		$this->enabled = $enabled;

		return $this;
	}

	/**
	 * Enable default color button.
	 */
	public function enableUseDefault($use_default = true): self {
		$this->use_default = $use_default;

		return $this;
	}

	/**
	 * Append color picker javascript.
	 *
	 * @param bool $append
	 *
	 * @return CColor
	 */
	public function appendColorPickerJs(bool $append = true): self {
		$this->append_color_picker_js = $append;

		return $this;
	}

	/**
	 * Make colorpicker initialization javascript.
	 *
	 * @return string
	 */
	protected function getInitJavascript(): string {
		return 'jQuery("#'.$this->name.'").colorpicker('.json_encode([
			'use_default' => $this->use_default
		]).');';
	}

	/**
	 * Gets string representation of widget HTML content.
	 *
	 * @param bool $destroy
	 *
	 * @return string
	 */
	public function toString($destroy = true): string {
		$input = (new CInput('hidden', $this->name, $this->value))->setEnabled($this->enabled);

		if ($this->input_id !== null) {
			$input->setId($this->input_id);
		}

		$this
			->addClass(ZBX_STYLE_COLOR_PICKER)
			->cleanItems()
			->addItem($input);

		return parent::toString($destroy).($this->append_color_picker_js ? get_js($this->getInitJavascript()) : '');
	}
}
