<?php

/** prevent direct access */
defined( 'ABSPATH' ) || exit();

if ( ! function_exists( 'wp_dark_mode_get_settings' ) ) {
	/**
	 * Get setting database option
	 *
	 * @param           $section
	 * @param           $key
	 * @param   string  $default
	 *
	 * @return string
	 */
	function wp_dark_mode_get_settings( $section = 'wp_dark_mode_general', $key = '', $default = '' ) {
		$settings = get_option( $section );

		return ! empty( $settings[ $key ] ) ? $settings[ $key ] : $default;
	}
}

if ( ! function_exists( 'wp_dark_mode_color_presets' ) ) {
	function wp_dark_mode_color_presets( $preset = '0' ) {
		$presets = apply_filters( 'wp_dark_mode/color_presets', [
			[
				'bg'   => '#000',
				'text' => '#dfdedb',
				'link' => '#e58c17',
			],
			[
				'bg'   => '#1B2836',
				'text' => '#fff',
				'link' => '#459BE6',
			],
			[
				'bg'   => '#1E0024',
				'text' => '#fff',
				'link' => '#E251FF',
			],
		] );

		return ! empty( $presets[ $preset ] ) ? $presets[ $preset ] : $presets['0'];
	}
}

if ( ! function_exists( 'wp_dark_mode_exclude_pages' ) ) {
	/**
	 * @return string|array
	 */
	function wp_dark_mode_exclude_pages() {
		return  wp_dark_mode_get_settings( 'wp_dark_mode_display', 'exclude_pages', [] );
	}
}

if ( ! function_exists( 'wp_dark_mode_lighten' ) ) {
	function wp_dark_mode_lighten( $hex, $steps ) {
		// Steps should be between -255 and 255. Negative = darker, positive = lighter
		$steps = max( - 255, min( 255, $steps ) );

		// Normalize into a six character long hex string
		$hex = str_replace( '#', '', $hex );
		if ( strlen( $hex ) == 3 ) {
			$hex = str_repeat( substr( $hex, 0, 1 ), 2 ) . str_repeat( substr( $hex, 1, 1 ), 2 ) . str_repeat( substr( $hex, 2, 1 ), 2 );
		}

		// Split into three parts: R, G and B
		$color_parts = str_split( $hex, 2 );
		$return      = '#';

		foreach ( $color_parts as $color ) {
			$color  = hexdec( $color );                                   // Convert to decimal
			$color  = max( 0, min( 255, $color + $steps ) );              // Adjust color
			$return .= str_pad( dechex( $color ), 2, '0', STR_PAD_LEFT ); // Make two char hex code
		}

		return $return;
	}
}

if ( ! function_exists( 'wp_dark_mode_enabled' ) ) {
	function wp_dark_mode_enabled() {
		$frontend_enable = 'on' == wp_dark_mode_get_settings( 'wp_dark_mode_general', 'enable_frontend', 'on' );


		if ( ! $frontend_enable ) {
			return false;
		}

		if ( wp_dark_mode()->is_pro_active() || wp_dark_mode()->is_ultimate_active() ) {
			$specific_category = 'on' == wp_dark_mode_get_settings( 'wp_dark_mode_advanced', 'specific_category', 'off' );

			if ( $specific_category ) {

				$categories = wp_dark_mode_get_settings( 'wp_dark_mode_advanced', 'specific_categories', [] );

				if(!is_single()){
					return false;
				}

				global $post_id;
				if ( ! in_category( $categories, $post_id ) ) {
					return false;
				}
			}
		}

		return true;

	}
}

function wp_dark_mode_is_gutenberg_page(){
	global $current_screen;

	if (!isset($current_screen)) {
		$current_screen = get_current_screen();
	}

	if ( ( method_exists($current_screen, 'is_block_editor') && $current_screen->is_block_editor() )
	     || ( function_exists('is_gutenberg_page') && is_gutenberg_page() ) ) {
		return true;
	}

	return false;
}

function wp_dark_mode_is_elementor_editor() {
	global $post;

	if ( ! isset( $post->ID ) ) {
		return false;
	}

	if ( ! class_exists( '\Elementor\Plugin' ) ) {
		return false;
	}

	if ( strpos($_SERVER['REQUEST_URI'], 'elementor') !== false ) {
		return true;
	}

	return false;

}