<?php

namespace Essential_Addons_Elementor\Traits;

if ( !defined( 'ABSPATH' ) ) {
    exit;
} // Exit if accessed directly

trait Template_Query {


    public $current_widget_name = '';

    public function set_widget_name( $name = '' ) {
        $this->current_widget_name = $name;
    }

    /**
     * Retrieves Template name from file header.
     *
     * @array
     */
    private $template_headers = [
        'Template Name' => 'Template Name',
    ];

    /**
     * Prepare the directory name from the following widget name.
     *
     * @access private
     *
     *
     * @return  string  $widget_name
     */
    private function process_directory_name()
    {
        if ( empty( $this->current_widget_name ) ) {
            $this->current_widget_name = $this->get_name();
        }
        $widget_name = str_replace('eael-', '', $this->current_widget_name);
        $widget_name = str_replace('-', ' ', $widget_name);
        $widget_name = ucwords($widget_name);
        $widget_name = str_replace(' ', '-', $widget_name);

        return $widget_name;
    }

    /**
     * Retrieve `Theme Template Directory`
     *
     * @return string templates directory from the active theme.
     */
    private function theme_templates_dir() {
        $current_theme = wp_get_theme();

        $dir = sprintf(
            '%s/%s/Template/%s',
            $current_theme->theme_root,
            $current_theme->stylesheet,
            $this->process_directory_name()
        );

        if ( is_dir( $dir ) ) {
            $file = scandir( $dir );
            $file = array_pop( $file );

            return pathinfo( $file, PATHINFO_EXTENSION ) === 'php' ? $dir : false;
        }

        return false;
    }

    /**
     * Retrieves the lite plugin template directory path.
     *
     * @return  string  templates directory path of lite version.
     */
    private function get_template_dir() {
        return \sprintf(
            '%sincludes/Template/%s',
            EAEL_PLUGIN_PATH, $this->process_directory_name()
        );
    }

    /**
     * Retrieves the pro plugin template directory path.
     *
     * @return  string  templates directory path of pro version.
     */
    private function get_pro_template_dir()
    {
        if (!apply_filters('eael/is_plugin_active', 'essential-addons-elementor/essential_adons_elementor.php')) {
            return false;
        }

        return \sprintf(
            '%sincludes/Template/%s',
            EAEL_PRO_PLUGIN_PATH, $this->process_directory_name()
        );
    }

    /**
     * Collecting templates from different sources.
     *
     * @return array
     */
    private function get_template_files()
    {
        $templates = [];

        if (is_dir($this->get_template_dir())) {
            $templates['lite'] = scandir($this->get_template_dir(), 1);
        }

        if ($this->theme_templates_dir()) {
            $templates['theme'] = scandir($this->theme_templates_dir(), 1);
        }

        if (is_dir($this->get_pro_template_dir())) {
            $templates['pro'] = scandir($this->get_pro_template_dir(), 1);
        }

        return $templates;
    }

    /**
     * Retrieves template list from template directory.
     *
     * @return array template list.
     */
    protected function get_template_list() {
        $files = [];

        if ($this->get_template_files()) {
            foreach ($this->get_template_files() as $key => $handler) {
                foreach ($handler as $handle) {
                    if (strpos($handle, '.php') !== false) {

                        if ($key === 'lite') {
                            $path = sprintf('%s/%s', $this->get_template_dir(), $handle);
                        } else if ($key === 'pro') {
                            $path = sprintf('%s/%s', $this->get_pro_template_dir(), $handle);
                        } else if ($key === 'theme') {
                            $path = sprintf('%s/%s', $this->theme_templates_dir(), $handle);
                        }

                        $template_info = get_file_data( $path, $this->template_headers );
                        $template_name = $template_info[ 'Template Name' ];

                        if ( $template_name ) {
                            $files[ $template_name ] = $path;
                        }
                    }
                }
            }
        }

        return $files;
    }

    /**
     * Retrieves template list from template directory.
     *
     * @return array template list.
     */
    public function get_template_list_for_dropdown()
    {
        $files = [];
        if ($this->get_template_files()) {
            foreach ($this->get_template_files() as $key => $handler) {
                foreach ($handler as $handle) {
                    if (strpos($handle, '.php') !== false) {

                        $path = $this->_get_path($key, $handle);
                        $template_info = get_file_data($path, $this->template_headers);
                        $template_name = $template_info['Template Name'];
                        $template_key = str_replace( ' ', '-', strtolower( $template_name ) );
                        if ( $template_name ) {
                            $files[$template_key] = sprintf("%s (%s)", ucfirst($template_name), ucfirst($key));
                        }
                    }
                }
            }
        }
        return $files;
    }

    public function _get_path($key, $handle)
    {
        $path = '';
        if ($key === 'lite') {
            $path = sprintf('%s/%s', $this->get_template_dir(), $handle);
        } else if ($key === 'pro') {
            $path = sprintf('%s/%s', $this->get_pro_template_dir(), $handle);
        } else if ($key === 'theme') {
            $path = sprintf('%s/%s', $this->theme_templates_dir(), $handle);
        }
        return $path;
    }

    /**
     * Preparing template options for frontend select
     *
     * @return array teplate select options.
     */
    private function get_template_options() {
        $files = [];

        if ( $this->get_template_list() ) {
            foreach ( $this->get_template_list() as $filename => $path ) {
                $filename = \str_replace( ' ', '-', $filename );

                $files[ strtolower( $filename ) ] = $path;
            }
        }

        return $files;
    }

    /**
     * Adding key value pairs in template options.
     *
     * @return array
     */
    private function template_options() {
        $keys = array_keys( $this->get_template_options() );
        $values = array_keys( $this->get_template_list() );

        return array_combine( $keys, $values );
    }

    /**
     * Retrieve template
     *
     * @param string $filename
     *
     * @return string include-able full template path.
     */
    public function get_template( $filename ) {
        if ( in_array( $filename, array_keys( $this->get_template_options() ) ) ) {
            return $this->get_template_options()[ $filename ];
        }

        return false;
    }

    /**
     * Set default option in frontend select control.
     *
     * @return string first option.
     */
    public function get_default() {
        $dt = array_reverse( $this->template_options() );

        return strtolower( array_pop( $dt ) );
    }

}