<?php

namespace Wizard\MagicForger\Replacer;

use Illuminate\Support\Str;

trait Replacer
{
    /**
     * Prefix and Suffix for controller.
     * Usage is up to the user.
     *
     * @var string
     */
    protected $controller_prefix = '';

    /**
     * Prefix and Suffix for controller.
     * Usage is up to the user.
     *
     * @var string
     */
    protected $controller_suffix = 'Controller';

    /**
     * Finds all places in a string that could be replaced.
     * Returns an array of all potential replacements as they
     * appear in the target.
     */
    public function get_all_keywords(string $target): array
    {
        // find all the matches to our expected syntax
        $matches = [];
        preg_match_all('/{{[\sa-zA-Z\-_]+}}/', $target, $matches);
        // sort the array and return unique values
        sort($matches[0]);

        return array_values(array_unique($matches[0]));
    }

    public function apply_replacements(string $target): string
    {
        $inserts = $this->get_all_keywords($target);
        $available_replacements = $this->get_available_replacements();

        $target = str_replace(
            array_keys($available_replacements),
            $available_replacements,
            $target
        );

        return $target;
    }

    public function get_available_replacements(): array
    {
        $table_name = $this->getTableInput();
        $replacements = [
                    '{{ class }}' => $this->getClassName($table_name),
                    '{{ controllerName }}' => $this->controller_name($table_name),
                    '{{ model }}' => $this->model_name($table_name),
                    '{{ modelVariable }}' => $this->model_variable($table_name),
                    '{{ namespace }}' => $this->{'get'.$this->type.'Namespace'}($table_name),
                    '{{ namespacedModel }}' => $this->getNamespacedModel($table_name),
                    '{{ requestUses }}' => $this->getRequestUses($table_name),
                    '{{ rootNamespace }}' => $this->getRootNamespace(),
                    '{{ storeRequest }}' => $this->store_request_name($table_name),
                    '{{ tableName }}' => $table_name,
                    '{{ updateRequest }}' => $this->update_request_name($table_name),
        ];

        return $replacements;
    }

    // //////////////////////////////////////////
    //				Internals and Classes   				//
    // //////////////////////////////////////////

    /**
     * Model names are generated in uppercase first Camel case.
     */
    public function model_name(string $name): string
    {
        return Str::singular(Str::studly($name));
    }

    /**
     * Model variable is standardly just a singular version of the table name.
     */
    public function model_variable(string $name): string
    {
        return Str::singular($name);
        /* return 'item'; */
    }

    /**
     * Controller names are generated in uppercase first Camel case
     * and wrapped in the prefix and suffix.
     */
    public function controller_name(string $name): string
    {
        return $this->controller_prefix.
            $this->model_name($name).
            $this->controller_suffix;
    }

    public function store_request_name(string $name): string
    {
        return 'Store'.$this->model_name($name).'Request';
    }

    public function update_request_name(string $name): string
    {
        return 'Update'.$this->model_name($name).'Request';
    }

    // //////////////////////////////////////////
    //							Namespaces			   				//
    // //////////////////////////////////////////

    public function getRootNamespace(): string
    {
        return $this->laravel->getNamespace();
    }

    public function getModelNamespace(string $name = ''): string
    {
        return $this->getRootNamespace().'Models';
    }

    public function getNamespacedModel(string $name = ''): string
    {
        return $this->getModelNamespace().'\\'.$this->model_name($name);
    }

    public function getControllerNamespace(string $name = ''): string
    {
        return $this->getRootNamespace().'Http\\Controllers';
    }

    public function getRequestNamespace(string $name): string
    {
        return $this->getRootNamespace().'Http\\Requests\\'.$this->model_name($name);
    }

    public function getStoreRequestNamespace(string $name): string
    {
        return $this->getRequestNamespace($name);
    }

    public function getUpdateRequestNamespace(string $name): string
    {
        return $this->getRequestNamespace($name);
    }

    public function getRequestUses(string $name): string
    {
        return implode("\n", [
            'use '.$this->getRequestNamespace($name).'\\'.$this->store_request_name($name).';',
            'use '.$this->getRequestNamespace($name).'\\'.$this->update_request_name($name).';',
        ]);
    }

    public function getRouteNamespace(string $name = ''): string
    {
        return $this->getRootNamespace().'Http\\Controllers';
    }

    // //////////////////////////////////////////
    //				Language and Presentables				//
    // //////////////////////////////////////////

    /**
     * Breaks up a string and makes it human readable.
     *
     * This function assumes that the inputted name is camel case
     */
    public function human_readable(string $name): string
    {
        return Str::title(Str::replace('_', ' ', $name));
    }

    /**
     * Breaks up a string and makes it human readable and lowecase.
     *
     * This function assumes that the inputted name is camel case
     */
    public function human_readable_lc(string $name): string
    {
        return Str::lower($this->human_readable($name));
    }
}