<?php

namespace WPDeveloper\BetterDocs\Utils;

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

use Exception;
use WPDeveloper\BetterDocs\Dependencies\DI\Container;

class Views extends Base {
    public $path         = '';
    public $_view_type   = 'free';
    protected $container = '';

    protected $layout_directory;

    private $nested = 0;

    public function __construct( $path, Container $container, $layout_directory = 'layouts/' ) {
        $this->path             = $path;
        $this->container        = $container;
        $this->layout_directory = $this->path . $layout_directory;
    }

    public function get_layouts( $_local_dir = 'category-grid', $is_pro = false ) {
        if ( empty( $_local_dir ) ) {
            $_local_dir = 'category-grid';
        }

        $dir = $this->layout_directory . $_local_dir;

        if ( ! is_dir( $dir ) && ! $is_pro ) {
            throw new Exception( $dir . ': directory not exists.' );
        }

        return $this->normalize_scandir( $dir );
    }

    public function get_default_layout( $local_dir = 'category-grid', $layouts = [] ) {
        if ( empty( $layouts ) || ! is_array( $layouts ) ) {
            $layouts = $this->get_layouts( $local_dir );
        }

        $layout_keys = array_reverse( array_keys( $layouts ) );
        return strtolower( array_pop( $layout_keys ) );
    }

    public function normalize_scandir( $dir ) {
        $_layouts_dir = scandir( $dir );
        if ( ! empty( $_layouts_dir ) ) {
            $_return_value = [];
            foreach ( $_layouts_dir as $file ) {
                if ( $file == '.' || $file == '..' ) {
                    continue;
                }

                $uniq_name = basename( $file, '.php' );
                $label     = ucwords( str_replace( ['-', '_'], ' ', $uniq_name ) );

                $_return_value[$uniq_name] = $label;
            }

            return $_return_value;
        }
        return [];
    }

    public function path( $name, $default = '' ) {
        $this->_view_type = 'free';
        $name             = str_replace( $this->path, '', $name );
        $_filename        = $this->path . $name . '.php';

        if ( ! file_exists( $_filename ) ) {
            $_filename = $this->path . $default . '.php';
        }

        if ( file_exists( $_filename ) ) {
            return $_filename;
        }
    }

    public $params = [];

    public function get( $name, $params = [] ) {
        $_view_file_path = $this->path( $name );

        if ( file_exists( $_view_file_path ) ) {
            if ( isset( $params['_view_file_path'] ) ) {
                unset( $params['_view_file_path'] );
            }

            $view_object = $this;
            $helper      = Helper::get_instance();
            $_view_type  = $this->_view_type;
            $params      = empty( $params ) ? $this->params : array_merge( $this->params, $params );

            extract( $params );
            $this->params = array_merge( $this->params, $params );
            include $_view_file_path;
        } else {
            return __( 'View file not exists.', 'betterdocs' );
        }
    }

    public function merge( $a, $b ) {
        return Helper::merge( $a, $b );
    }
}