<?php

/**
 * This class represents your module
 */
class ThemeModule {
    /** @var array $theme_data */
    public static $theme_data = null;

    /**
     * @param $path
     * @return void
     * @throws \Exception
     */
    public static function load($path)
    {
        try {
            self::$theme_data = null;

            self::$theme_data = json_decode(file_get_contents($path . '/layout.json'));
            if (!is_object(self::$theme_data)) {
                throw new \Exception('Invalid data @ ' . $path . '/layout.json: ' . print_r(self::$theme_data, true));
            }

            if (!file_exists($path . '/' . self::$theme_data->banner)) {
                throw new \Exception('Banner asset not found');
            }

            self::$theme_data->banner_url = asset('themes/' . self::$theme_data->name . '/' . self::$theme_data->banner);

            self::$theme_data->inline_rules = '';
            foreach (self::$theme_data->rules as $key => $value) {
                self::$theme_data->inline_rules .= $key . ': ' . $value . ' !important;';
            }

            if (isset(self::$theme_data->icon)) {
                if (!file_exists($path . '/' . self::$theme_data->icon->asset)) {
                    throw new \Exception('Icon asset not found');
                }

                self::$theme_data->icon->url = asset('themes/' . self::$theme_data->name . '/' . self::$theme_data->icon->asset);

                self::$theme_data->icon->inline_rules = new \stdClass();

                self::$theme_data->icon->inline_rules->base = '';
                foreach (self::$theme_data->icon->base as $key => $value) {
                    self::$theme_data->icon->inline_rules->base .= $key . ': ' . $value . ' !important;';
                }
                
                self::$theme_data->icon->inline_rules->img = '';
                foreach (self::$theme_data->icon->img as $key => $value) {
                    self::$theme_data->icon->inline_rules->img .= $key . ': ' . $value . ' !important;';
                }
            }

            if (isset(self::$theme_data->accessory)) {
                if (!file_exists($path . '/' . self::$theme_data->accessory->asset)) {
                    throw new \Exception('Icon asset not found');
                }

                self::$theme_data->accessory->url = asset('themes/' . self::$theme_data->name . '/' . self::$theme_data->accessory->asset);

                self::$theme_data->accessory->inline_rules = new \stdClass();

                self::$theme_data->accessory->inline_rules->base = '';
                foreach (self::$theme_data->accessory->base as $key => $value) {
                    self::$theme_data->accessory->inline_rules->base .= $key . ': ' . $value . ' !important;';
                }
                
                self::$theme_data->accessory->inline_rules->img = '';
                foreach (self::$theme_data->accessory->img as $key => $value) {
                    self::$theme_data->accessory->inline_rules->img .= $key . ': ' . $value . ' !important;';
                }
            }
        } catch (\Exception $e) {
            throw $e;
        }
    }

    /**
     * @return mixed
     * @throws \Exception
     */
    public static function data()
    {
        try {
            return self::$theme_data;
        } catch (\Exception $e) {
            throw $e;
        }
    }

    /**
     * @return bool
     */
    public static function ready()
    {
        return (is_object(self::$theme_data));
    }

    /**
     * @return array
     * @throws \Exception
     */
    public static function list()
    {
        try {
            $result = [];

            $folders = scandir(public_path() . '/themes');
            foreach ($folders as $folder) {
                if (((substr($folder, 0, 1)) !== '.') && (is_dir(public_path() . '/themes/' . $folder))) {
                    $result[] = $folder;
                }
            }

            return $result;
        } catch (\Exception $e) {
            throw $e;
        }
    }
}