<?php

namespace EssentialBlocks\Core;

use EssentialBlocks\Utils\Helper;
use EssentialBlocks\blocks\WPForms;
use EssentialBlocks\blocks\FluentForms;
use EssentialBlocks\Traits\HasSingletone;

class Scripts
{
    use HasSingletone;

    private $is_gutenberg_editor = false;
    private $isEnableFontAwesome = true;
    private $isEnableGoogleFont  = true;

    public $plugin = null;

    public function __construct()
    {
        $eb_settings               = get_option( 'eb_settings', [  ] );
        $this->isEnableFontAwesome = ! empty( $eb_settings[ 'enableFontawesome' ] ) ? $eb_settings[ 'enableFontawesome' ] : 'true';
        $this->isEnableGoogleFont  = ! empty( $eb_settings[ 'googleFont' ] ) ? $eb_settings[ 'googleFont' ] : 'true';
        add_action(
            'init',
            function () {
                $this->plugin = wpdev_essential_blocks();
            },
            1
        );

        // Enqueue Assets Only for FSE
        global $pagenow;
        if ( $pagenow === 'site-editor.php' ) {
            add_action( 'admin_init', [ $this, 'block_editor_assets' ], 1 );
            add_action( 'admin_init', [ $this, 'frontend_backend_assets' ] );
        }

        add_action( 'enqueue_block_editor_assets', [ $this, 'block_editor_assets' ] );
        add_action( 'enqueue_block_editor_assets', [ $this, 'frontend_backend_assets' ] );
        add_action( 'wp_enqueue_scripts', [ $this, 'frontend_backend_assets' ] );
        add_filter( 'eb_generated_css_frontend_deps', function ( $deps ) {
            return array_merge( $deps, [ 'essential-blocks-frontend-style' ] );
        } );
        add_action( 'init', [ $this, 'localize_enqueue_scripts' ] );
    }

    public function block_editor_assets()
    {
        $this->is_gutenberg_editor = true;

        global $pagenow;

        wpdev_essential_blocks()->assets->register( 'twenty-move', 'js/jquery.event.move.js' );
        wpdev_essential_blocks()->assets->register( 'image-loaded', 'js/images-loaded.min.js' );
        wpdev_essential_blocks()->assets->register( 'isotope', 'js/isotope.pkgd.min.js' );
        wpdev_essential_blocks()->assets->register( 'twenty-twenty', 'js/jquery.twentytwenty.js' );
        wpdev_essential_blocks()->assets->register( 'fslightbox-js', 'js/fslightbox.min.js' );
        wpdev_essential_blocks()->assets->register( 'masonry', 'js/masonry.min.js' );
        wpdev_essential_blocks()->assets->register( 'slickjs', 'js/slick.min.js' );
        wpdev_essential_blocks()->assets->register( 'patterns', 'js/eb-patterns.js' );
        wpdev_essential_blocks()->assets->register( 'editor-breakpoint', 'js/eb-editor-breakpoint.js' );
        wpdev_essential_blocks()->assets->register(
            'controls-util',
            '../dist/modules.js',
            [
                'essential-blocks-blocks-localize'
             ]
        );

        $editor_scripts_deps = [
            'essential-blocks-vendor-bundle',
            'essential-blocks-controls-util',
            'essential-blocks-twenty-move',
            'essential-blocks-image-loaded',
            'essential-blocks-isotope',
            'essential-blocks-twenty-twenty',
            'essential-blocks-fslightbox-js',
            'essential-blocks-masonry',
            'essential-blocks-typedjs',
            'essential-blocks-slickjs',
            'essential-blocks-patterns',
            'essential-blocks-editor-breakpoint'
         ];

        if ( $pagenow === 'post.php' || $pagenow === 'post-new.php' || $pagenow === 'site-editor.php' ) {
            //global-styles
            wpdev_essential_blocks()->assets->register( 'global-styles', '../lib/global-styles/dist/index.js' );
            $editor_scripts_deps[  ] = 'essential-blocks-global-styles';

            //templately-installer
            $show_pattern_library = get_option( ESSENTIAL_BLOCKS_HIDE_PATTERN_LIBRARY );
            if ( ! $show_pattern_library ) {
                wpdev_essential_blocks()->assets->register( 'templately-installer', '../lib/templately-installer/dist/index.js' );
                $editor_scripts_deps[  ] = 'essential-blocks-templately-installer';
            }
        }

        wpdev_essential_blocks()->assets->register( 'editor-script', '../dist/index.js', $editor_scripts_deps );

        // If vendor files has css and extists
        if ( file_exists( ESSENTIAL_BLOCKS_DIR_PATH . 'vendor-bundle/style.css' ) ) {
            wpdev_essential_blocks()->assets->register( 'admin-vendor-style', '../vendor-bundle/style.css' );
        }

        $editor_styles_deps = [
            'essential-blocks-slick-style',
            'essential-blocks-fslightbox-style',
            'essential-blocks-twenty-twenty-style-image-comparison',
            'essential-blocks-hover-effects-style',
            'essential-blocks-hover-css',
            'essential-blocks-frontend-style',
            'essential-blocks-block-common',
            'essential-blocks-common-style'
         ];

        if ( $this->isEnableFontAwesome == 'true' ) {
            $editor_styles_deps[  ] = 'essential-blocks-fontpicker-material-theme';
            $editor_styles_deps[  ] = 'essential-blocks-fontpicker-default-theme';
            $editor_styles_deps[  ] = 'essential-blocks-fontawesome';
        }

        if ( $pagenow !== 'widgets.php' ) {
            //Global Styles
            wpdev_essential_blocks()->assets->register( 'global-styles', '../lib/global-styles/dist/style.css', [ 'dashicons' ] );
            $editor_styles_deps[  ] = 'essential-blocks-global-styles';

            //templately-installer
            wpdev_essential_blocks()->assets->register( 'templately-installer', '../lib/templately-installer/dist/style.css' );
            $editor_styles_deps[  ] = 'essential-blocks-templately-installer';
        }

        //Iconpicker css
        wpdev_essential_blocks()->assets->register( 'iconpicker-css', '../dist/style-modules.css' );
        $editor_styles_deps[  ] = 'essential-blocks-iconpicker-css';

        // register styles
        wpdev_essential_blocks()->assets->register( 'editor-css', '../dist/modules.css', $editor_styles_deps );
    }

    /**
     * enqueue/register assets files in frontend/backend
     *
     * @return void
     */
    public function frontend_backend_assets()
    {
        wpdev_essential_blocks()->assets->register( 'eb-animation', 'js/eb-animation-load.js' );
        wpdev_essential_blocks()->assets->register( 'animation', 'css/animate.min.css' );

        wpdev_essential_blocks()->assets->register( 'vendor-bundle', '../vendor-bundle/index.js' );

        //Register block combined styles
        $css_file                        = 'eb-style' . DIRECTORY_SEPARATOR . 'frontend' . DIRECTORY_SEPARATOR . 'style.css';
        $css_with_custom_breakpoint_path = wp_upload_dir()[ 'basedir' ] . DIRECTORY_SEPARATOR . $css_file;
        $frontend_css_file               = '../dist/style.css';
        if ( file_exists( $css_with_custom_breakpoint_path ) ) {
            $frontend_css_file = wp_upload_dir()[ 'baseurl' ] . '/eb-style/frontend/style.css';
        }
        wpdev_essential_blocks()->assets->register( 'frontend-style', $frontend_css_file );

        if ( $this->isEnableFontAwesome == 'true' ) {
            wpdev_essential_blocks()->assets->register( 'fontawesome', 'fontawesome/css/all.min.css' );
            wpdev_essential_blocks()->assets->register( 'fontpicker-default-theme', 'css/fonticonpicker.base-theme.react.css' );
            wpdev_essential_blocks()->assets->register( 'fontpicker-material-theme', 'css/fonticonpicker.material-theme.react.css' );
        }
        wpdev_essential_blocks()->assets->register( 'hover-css', 'css/hover-min.css' );
        wpdev_essential_blocks()->assets->register( 'hover-effects-style', 'css/hover-effects.css' );
        wpdev_essential_blocks()->assets->register( 'twenty-twenty-style-image-comparison', 'css/twentytwenty.css' );
        wpdev_essential_blocks()->assets->register( 'fslightbox-style', 'css/fslightbox.min.css' );
        wpdev_essential_blocks()->assets->register( 'slick-style', 'css/slick.css' );
        wpdev_essential_blocks()->assets->register( 'block-common', 'css/block-common.css' );
        wpdev_essential_blocks()->assets->register( 'common-style', 'css/eb-common.css' );
        wpdev_essential_blocks()->assets->register( 'typedjs', 'js/typed.min.js' );

        wpdev_essential_blocks()->assets->register( 'flv', 'js/react-player/flv.min.js' );
        wpdev_essential_blocks()->assets->register( 'dash', 'js/react-player/dash.all.min.js' );
        wpdev_essential_blocks()->assets->register( 'hls', 'js/react-player/hls.min.js' );
        // dashicon
        wp_enqueue_style( 'dashicons' );
        wpdev_essential_blocks()->assets->register( 'controls-frontend', '../dist/frontend.js' );

        //Run Global frontend styles
        self::global_frontend_styles();
    }

    private function global_frontend_styles()
    {
        //Get global values from wp_option
        $global_settings = wp_unslash( get_option( 'eb_global_styles' ) );

        //global solid colors
        $global_colors = [  ];
        if ( isset( $global_settings[ 'global_colors' ] ) && Helper::isJson( $global_settings[ 'global_colors' ] ) ) {
            $global_colors = json_decode( $global_settings[ 'global_colors' ] );
        } else {
            $global_colors = Helper::global_colors();
        }

        //custom solid colors
        $custom_colors = [  ];
        if ( isset( $global_settings[ 'custom_colors' ] ) && Helper::isJson( $global_settings[ 'custom_colors' ] ) ) {
            $custom_colors = json_decode( $global_settings[ 'custom_colors' ] );
        }

        //global gradient colors
        $gradient_colors = [  ];
        if ( isset( $global_settings[ 'gradient_colors' ] ) && Helper::isJson( $global_settings[ 'gradient_colors' ] ) ) {
            $gradient_colors = json_decode( $global_settings[ 'gradient_colors' ] );
        } else {
            $gradient_colors = Helper::gradient_colors();
        }

        //custom gradient colors
        $custom_gradient_colors = [  ];
        if ( isset( $global_settings[ 'custom_gradient_colors' ] ) && Helper::isJson( $global_settings[ 'custom_gradient_colors' ] ) ) {
            $custom_gradient_colors = json_decode( $global_settings[ 'custom_gradient_colors' ] );
        }

        //Global Typography
        $global_typography = [  ];
        $custom_typography = [  ];
        $google_fonts      = [  ];
        if ( isset( $global_settings[ 'global_typography' ] ) && Helper::isJson( $global_settings[ 'global_typography' ] ) ) {
            $global_typography = (array) json_decode( $global_settings[ 'global_typography' ] );
            $google_fonts      = array_unique( $this->get_google_fonts( $global_typography ) );
            if ( is_array( $global_typography ) && isset( $global_typography[ 'custom' ] ) ) {
                $custom_typography = (array) $global_typography[ 'custom' ];
                unset( $global_typography[ 'custom' ] );
            }
        }

        $colors_css = "";

        //Global Colors to CSS String
        $colors_css .= $this->color_array_to_css( $global_colors );

        //Custom Colors to CSS String
        $colors_css .= $this->color_array_to_css( $custom_colors );

        //Gradient Colors to CSS String
        $colors_css .= $this->color_array_to_css( $gradient_colors );

        //Custom Gradient Colors to CSS String
        $colors_css .= $this->color_array_to_css( $custom_gradient_colors );

        //Responsive Breakpoints CSS
        $responsive_breakpoints = Helper::get_responsive_breakpoints();
        $responsive_css         = '';
        $responsive_css .= $this->array_responsive_css( $responsive_breakpoints );

        if ( isset( $global_typography[ 'allHeadings' ] ) ) {
            $global_typography = array_merge( [ 'allHeadings' => $global_typography[ 'allHeadings' ] ], $global_typography );
        }
        $global_typography_css      = $this->generateTypographyCSS( $global_typography );
        $custom_typography_css__var = $this->generateCustomTypographyCSS( $custom_typography );

        $custom_css = "
            :root {
                {$colors_css}
                {$responsive_css}
                {$custom_typography_css__var}
            }
            {$global_typography_css}
        ";
        wp_add_inline_style( 'essential-blocks-frontend-style', $custom_css );

        if ( is_array( $google_fonts ) && ! empty( $google_fonts ) ) {
            Helper::load_google_font( $google_fonts, 'eb-global-fonts' );
        }
    }

    private function get_google_fonts( $fontArr )
    {
        $g_fonts = [  ];
        if ( is_array( $fontArr ) && count( $fontArr ) > 0 ) {
            foreach ( $fontArr as $index => $font ) {
                if ( is_object( $font ) || is_array( $font ) ) {
                    $font = (array) $font;
                    if ( isset( $font[ 'fontFamily' ] ) ) {
                        $g_fonts[  ] = $font[ 'fontFamily' ];
                    } else {
                        $g_fonts = array_merge( $g_fonts, self::get_google_fonts( $font ) );
                    }
                }
            }
        }
        return $g_fonts;
    }

    private function color_array_to_css( $css_array )
    {
        $css = '';
        if ( is_array( $css_array ) && count( $css_array ) > 0 ) {
            foreach ( $css_array as $color ) {
                if ( ! isset( $color->color ) ) {
                    $color->color = '#000';
                }
                if ( isset( $color->var ) ) {
                    $css .= "{$color->var}: {$color->color};\n";
                }
            }
        }
        return $css;
    }

    private function array_responsive_css( $responsive_array )
    {
        $css = '';
        if ( is_array( $responsive_array ) && count( $responsive_array ) > 0 ) {
            foreach ( $responsive_array as $key => $value ) {
                $css .= "--eb-{$key}-breakpoint: {$value}px;\n";
            }
        }
        return $css;
    }

    private function generateTypographyCSS( $styles )
    {
        $cssString = '';

        foreach ( $styles as $element => $style ) {
            $selector = $element;

            if ( $element === 'body' ) {
                $selector = 'p';
            } elseif ( $element === 'link' ) {
                $selector = 'a';
            } elseif ( $element === 'allHeadings' ) {
                $selector = ':is(h1, h2, h3, h4, h5, h6)';
            }

            $cssString .= ".eb-parent-wrapper $selector { ";
            $cssString .= self::generateCssStyles( $style );
            $cssString .= "}\n"; // Close the style block
        }

        return $cssString;
    }

    private function generateCustomTypographyCSS( $styles )
    {
        if ( is_array( $styles ) && count( $styles ) === 0 ) {
            return '';
        }
        $css = '';
        foreach ( $styles as $element => $style ) {
            $css .= self::generateCssStyles( $style, $element );
        }
        return $css;
    }

    private function generateCssStyles( $styles, $varPrefix = '' )
    {
        if ( is_array( $styles ) && count( $styles ) === 0 ) {
            return '';
        }
        if ( ! empty( $varPrefix ) ) {
            $varPrefix = "--$varPrefix-";
        }
        $css    = '';
        $styles = (array) $styles;
        foreach ( $styles as $styleKey => $value ) {
            // Convert camelCase to kebab-case for CSS properties
            $cssProperty = strtolower( preg_replace( '/([a-zA-Z])(?=[A-Z])/', '$1-', $styleKey ) );
            $cssValue    = $value;
            switch ( $styleKey ) {
                case 'fontFamily':
                    $css .= "$varPrefix" . "font-family: $cssValue;\n";
                    break;
                case 'fontSize':
                    $unit = isset( $styles[ 'fontSizeUnit' ] ) ? $styles[ 'fontSizeUnit' ] : 'px';
                    $css .= "$varPrefix" . "font-size: $cssValue$unit;\n";
                    break;
                case 'fontWeight':
                    $css .= "$varPrefix" . "font-weight: $cssValue;\n";
                    break;
                case 'letterSpacing':
                    $unit = isset( $styles[ 'letterSpacingUnit' ] ) ? $styles[ 'letterSpacingUnit' ] : 'px';
                    $css .= "$varPrefix" . "letter-spacing: $cssValue$unit;\n";
                    break;
                case 'lineHeight':
                    $unit = isset( $styles[ 'lineHeightUnit' ] ) ? $styles[ 'lineHeightUnit' ] : 'px';
                    $css .= "$varPrefix" . "line-height: $cssValue$unit;\n";
                    break;
                case 'fontStyle':
                    $css .= "$varPrefix" . "font-style: $cssValue;\n";
                    break;
                case 'textDecoration':
                    $css .= "$varPrefix" . "text-decoration: $cssValue;\n";
                    break;
                case 'textTransform':
                    $css .= "$varPrefix" . "text-transform: $cssValue;\n";
                    break;
            }
        }
        return $css;
    }

    /**
     * enqueue localize scripts
     *
     * @return void
     */
    public function localize_enqueue_scripts()
    {
        wpdev_essential_blocks()->assets->enqueue( 'blocks-localize', 'js/eb-blocks-localize.js' );

        global $pagenow;
        $editor_type = false;
        if ( $pagenow == 'post-new.php' || $pagenow == 'post.php' ) {
            $editor_type = 'edit-post';
        } elseif ( $pagenow == 'site-editor.php' || ( $pagenow == 'themes.php' && isset( $_GET[ 'page' ] ) && $_GET[ 'page' ] == 'gutenberg-edit-site' ) ) {
            $editor_type = 'edit-site';
        } elseif ( $pagenow == 'widgets.php' ) {
            $editor_type = 'edit-widgets';
        }

        wpdev_essential_blocks()->assets->localize(
            'blocks-localize',
            'eb_conditional_localize',
            $editor_type !== false ? [
                'editor_type' => $editor_type
             ] : [  ]
        );

        $eb_settings = get_option( 'eb_settings', [  ] );
        $googleFont  = ! empty( $eb_settings[ 'googleFont' ] ) ? $eb_settings[ 'googleFont' ] : 'true';
        $fontAwesome = ! empty( $eb_settings[ 'fontAwesome' ] ) ? $eb_settings[ 'fontAwesome' ] : 'true';

        $plugin = $this->plugin;

        $localize_array = [
            'eb_plugins_url'             => ESSENTIAL_BLOCKS_URL,
            'image_url'                  => ESSENTIAL_BLOCKS_URL . 'assets/images',
            'eb_wp_version'              => ESSENTIAL_BLOCKS_WP_VERSION,
            'eb_version'                 => ESSENTIAL_BLOCKS_VERSION,
            'eb_admin_url'               => get_admin_url(),
            'rest_rootURL'               => get_rest_url(),
            'ajax_url'                   => admin_url( 'admin-ajax.php' ),
            'nft_nonce'                  => wp_create_nonce( 'eb-nft-nonce' ),
            'post_grid_pagination_nonce' => wp_create_nonce( 'eb-pagination-nonce' ),
            'placeholder_image'          => ESSENTIAL_BLOCKS_PLACEHOLDER_IMAGE,
            'is_pro_active'              => ESSENTIAL_BLOCKS_IS_PRO_ACTIVE ? "true" : "false",
            'upgrade_pro_url'            => ESSENTIAL_BLOCKS_UPGRADE_PRO_URL,
            'responsiveBreakpoints'      => Helper::get_responsive_breakpoints()
         ];
        if ( is_admin() ) {
            $admin_localize_array = [
                'admin_nonce'         => wp_create_nonce( 'admin-nonce' ),
                'fluent_form_lists'   => json_encode( FluentForms::form_list() ),
                'wpforms_lists'       => json_encode( WPForms::form_list() ),
                'all_blocks'          => $plugin::$blocks->all(),
                'all_blocks_default'  => $plugin::$blocks->defaults( true, false ),
                'get_plugins'         => Helper::get_plugin_list_for_localize(),
                'googleFont'          => $this->isEnableGoogleFont,
                'fontAwesome'         => $this->isEnableFontAwesome,
                'globalColors'        => Helper::global_colors(),
                'gradientColors'      => Helper::gradient_colors(),
                'unfilter_capability' => current_user_can( 'unfiltered_html' ) ? 'true' : 'false'
             ];

            $localize_array = array_merge( $localize_array, $admin_localize_array );
        }

        wpdev_essential_blocks()->assets->localize( 'blocks-localize', 'EssentialBlocksLocalize', $localize_array );
    }
}