<?php

namespace App\Console\Commands;

use Illuminate\Console\GeneratorCommand;
use Illuminate\Support\Facades\DB;
use Illuminate\Support\Str;
use Symfony\Component\Console\Input\InputOption;

class ApiControllerGenerator extends GeneratorCommand
{
    /**
     * The console command name.
     *
     * @var string
     */
    protected $name = 'make:apiController';

    /**
     * The console command description.
     *
     * @var string
     */
    protected $description = 'Create a new controller class';

    /**
     * The type of class being generated.
     *
     * @var string
     */
    protected $type = 'Controller';

    /**
     * Get the stub file for the generator.
     *
     * @return string
     */
    protected function getStub()
    {
        return $this->resolveStubPath('/stubs/controller.model.api.stub');
    }

    /**
     * Resolve the fully-qualified path to the stub.
     *
     * @param  string  $stub
     * @return string
     */
    protected function resolveStubPath($stub)
    {
        return file_exists($customPath = $this->laravel->basePath(trim($stub, '/')))
            ? $customPath
            : __DIR__.$stub;
    }

    /**
     * Get the default namespace for the class.
     *
     * @param  string  $rootNamespace
     * @return string
     */
    protected function getDefaultNamespace($rootNamespace)
    {
        return $rootNamespace.'\Http\Controllers\Api';
    }

    /**
     * Build the class with the given name.
     *
     * Remove the base controller import if we are already in base namespace.
     *
     * @param  string  $name
     * @return string
     */
    protected function buildClass($name)
    {
        $modelClass = $this->parseModel(Str::replaceLast('Controller', 'T', class_basename($name)));

        if (! class_exists($modelClass)) {
            if ($this->confirm("A {$modelClass} model does not exist. Do you want to generate it?", true)) {
                $this->call('make:apiModel', ['name' => $modelClass]);
            }
        }

        $resourceClass = $this->qualifyResource(Str::replaceLast('Controller', '', class_basename($name)));
        if (! class_exists($resourceClass)) {
            if ($this->confirm("A {$resourceClass} resource does not exist. Do you want to generate it?", true)) {
                $this->call('make:apiResource', ['name' => $resourceClass]);
            }
        }
        $resourceCollectionClass = $resourceClass . 'Collection';
        if (! class_exists($resourceCollectionClass)) {
            if ($this->confirm("A {$resourceCollectionClass} resource collection does not exist. Do you want to generate it?", true)) {
                $this->call('make:resource', ['name' => $resourceCollectionClass]);
            }
        }

        $table_name = env('DB_PREFIX') . Str::snake(str_replace([$this->getNamespace($name).'\\', 'Controller'], ['','T'], $name));
        $columns = DB::select("select COLUMN_NAME,DATA_TYPE,IS_NULLABLE,COLUMN_DEFAULT from information_schema.COLUMNS where table_name = '$table_name'");
        $attributes = '';
        $rules = '';
        foreach ($columns as $column){
            if(!in_array($column->COLUMN_NAME, ['id', 'created_at', 'updated_at'])){
                $attributes .= '        $this->model->'. $column->COLUMN_NAME .' = $this->params[\''. $column->COLUMN_NAME .'\']';
                $rule = "                '{$column->COLUMN_NAME}' => '";
                if ($column->IS_NULLABLE == 'NO' && $column->COLUMN_DEFAULT === null) {
                    $rule .= 'required|';
                }
                if(in_array($column->DATA_TYPE, ['int','integer', 'tinyint','smallint','mediumint','bigint','decimal'])){
                    $rule .= 'numeric|';
                    $attributes .= ' ?? 0';
                }
                if(in_array($column->DATA_TYPE, ['varchar','char'])){
                    $rule .= 'string|';
                    $attributes .= ' ?? \'\'';
                }
                $attributes .= ';'. PHP_EOL;
                if (Str::endsWith($rule,'|')) {
                    $rules .= Str::replaceLast('|', '', $rule) .'\',' . PHP_EOL;
                }
            }

        }

        $replace = [
            '{{ namespacedModel }}' => $modelClass,
            '{{ model }}' => class_basename($modelClass),
            '{{ namespacedResource }}' => $resourceClass,
            '{{ resource }}' => class_basename($resourceClass),
            '{{ namespacedResourceCollection }}' => $resourceCollectionClass,
            '{{ resourceCollection }}' => class_basename($resourceCollectionClass),
            '{{ attrList }}' => Str::replaceLast(PHP_EOL, '', $attributes),
            '{{ ruleList }}' => Str::replaceLast(PHP_EOL, '', $rules),
        ];

        return str_replace(
            array_keys($replace), array_values($replace), parent::buildClass($name)
        );
    }

    protected function qualifyResource(string $name)
    {
        $rootNamespace = $this->rootNamespace();

        return $rootNamespace. 'Http' . DIRECTORY_SEPARATOR .'Resources'. DIRECTORY_SEPARATOR . $name;
    }

    /**
     * Get the fully-qualified model class name.
     *
     * @param  string  $model
     * @return string
     *
     * @throws \InvalidArgumentException
     */
    protected function parseModel($model)
    {
        if (preg_match('([^A-Za-z0-9_/\\\\])', $model)) {
            throw new InvalidArgumentException('Model name contains invalid characters.');
        }

        return $this->qualifyModel($model);
    }

    /**
     * Get the console command options.
     *
     * @return array
     */
    protected function getOptions()
    {
        return [
            ['api', null, InputOption::VALUE_NONE, 'Exclude the create and edit methods from the controller.'],
            ['force', null, InputOption::VALUE_NONE, 'Create the class even if the controller already exists'],
            ['invokable', 'i', InputOption::VALUE_NONE, 'Generate a single method, invokable controller class.'],
            ['model', 'm', InputOption::VALUE_OPTIONAL, 'Generate a resource controller for the given model.'],
            ['parent', 'p', InputOption::VALUE_OPTIONAL, 'Generate a nested resource controller class.'],
            ['resource', 'r', InputOption::VALUE_NONE, 'Generate a resource controller class.'],
        ];
    }
}