<?php

if ( ! defined( 'ABSPATH' ) ) {
	exit;
}

function r1_chat_button_get_options() {
	$opts = get_option( 'r1_chat_button_settings' );

	return is_array( $opts ) ? $opts : array();
}

function r1_chat_button_normalize_button_key( $key ) {
	$key = is_string( $key ) ? trim( $key ) : '';

	if ( '' === $key ) {
		return '';
	}

	return sanitize_key( strtolower( $key ) );
}

function r1_chat_button_get_default_order() {
	return array(
		'email',
		'phone',
		'whatsapp',
		'fb_messenger',
		'viber',
		'telegram',
		'wechat',
		'line',
		'signal',
		'vk',
		'kakaotalk',
		'max',
	);
}

function r1_chat_button_get_default_settings() {
	return array(
		'buttons_order'              => implode( ',', r1_chat_button_get_default_order() ),
		'side'                       => 'left',
		'offset_top'                 => '0px',
		'offset_right'               => '0px',
		'offset_bottom'              => '30px',
		'offset_left'                => '30px',
		'main_button_icon_color'     => '#ffffff',
		'main_button_bg_color'       => '#0a95ae',
		'main_button_bg_hover_color' => '#177496',
		'social_icon_color'          => '#ffffff',
		'social_icon_bg_color'       => '#a466e2',
		'social_icon_bg_hover_color' => '#8c3ddb',
		'button_radius'              => '10px',
		'enable_main_button_pulse'   => 0,
		'enable_brand_icon_colors'   => 0,

		'enable_telegram'            => 0,
		'enable_whatsapp'            => 0,
		'enable_phone'               => 0,
		'enable_vk'                  => 0,
		'enable_max'                 => 0,
		'enable_wechat'              => 0,
		'enable_fb_messenger'        => 0,
		'enable_viber'               => 0,
		'enable_line'                => 0,
		'enable_signal'              => 0,
		'enable_email'               => 0,
		'enable_kakaotalk'           => 0,

		'telegram_link'              => '',
		'whatsapp_link'              => '',
		'phone_link'                 => '',
		'vk_link'                    => '',
		'max_link'                   => '',
		'wechat_link'                => '',
		'fb_messenger_link'          => '',
		'viber_link'                 => '',
		'line_link'                  => '',
		'signal_link'                => '',
		'email_link'                 => '',
		'kakaotalk_link'             => '',
	);
}

function r1_chat_button_get_merged_options() {
	$options  = r1_chat_button_get_options();
	$defaults = r1_chat_button_get_default_settings();

	if ( ! empty( $options['buttons_order'] ) && is_string( $options['buttons_order'] ) ) {
		$order = explode( ',', $options['buttons_order'] );
		$order = array_map( 'r1_chat_button_normalize_button_key', $order );
		$order = array_values( array_filter( $order ) );

		if ( ! empty( $order ) ) {
			$allowed                 = r1_chat_button_get_default_order();
			$order                   = array_values( array_intersect( $order, $allowed ) );
			$missing                 = array_diff( $allowed, $order );
			$order                   = array_merge( $order, $missing );
			$options['buttons_order'] = implode( ',', $order );
		}
	}

	return wp_parse_args( $options, $defaults );
}

function r1_chat_button_has_active_channels() {
	$options = r1_chat_button_get_merged_options();

	$map = array(
		'email'        => 'email_link',
		'phone'        => 'phone_link',
		'whatsapp'     => 'whatsapp_link',
		'fb_messenger' => 'fb_messenger_link',
		'viber'        => 'viber_link',
		'telegram'     => 'telegram_link',
		'wechat'       => 'wechat_link',
		'line'         => 'line_link',
		'signal'       => 'signal_link',
		'vk'           => 'vk_link',
		'kakaotalk'    => 'kakaotalk_link',
		'max'          => 'max_link',
	);

	foreach ( $map as $key => $link_key ) {
		if ( ! empty( $options[ 'enable_' . $key ] ) && ! empty( $options[ $link_key ] ) ) {
			return true;
		}
	}

	return false;
}