<?php

namespace LaraBB\Post\UI\Web\Requests;

use Illuminate\Database\Eloquent\Collection;
use Illuminate\Foundation\Http\FormRequest;
use Illuminate\Http\RedirectResponse;
use LaraBB\Post\Models\Post;
use LaraBB\Post\Tasks\FindTask;
use LaraBB\Thread\Models\Thread;

/**
 * Class Update
 * @package LaraBB\Post\UI\Web\Requests
 */
class Update extends FormRequest
{
    /**
     * @var Collection|Post|mixed|null
     */
    public ?Post $post;

    /**
     * @param FindTask $getPostTask
     * @return bool
     */
    public function authorize(FindTask $getPostTask): bool
    {
        $this->post = $getPostTask->byUuid($this->post('uuid'), ['thread']);

        if(is_null($this->post)) {
            abort(404, __('The posting to be updated does not exist.'));
        }

        if(!$this->user()->forumPermissions[$this->post->thread->forum_uuid]->edit_posts || $this->post->created_uuid != $this->user()->uuid) {
            abort(403, __('You are not authorized to edit this posting.'));
        }

        return true;
    }

    /**
     * @return string[]
     */
    public function rules(): array
    {
        return [
            'uuid'    => 'required|uuid',
            'title'   => 'required|min:5',
            'content' => 'required|min:20'
        ];
    }

    /**
     * @return array
     */
    public function messages(): array
    {
        return [
            'uuid.required'    => __('Please provide a UUID.'),
            'uuid.uuid'        => __('The provided UUID has an incorrect format.'),
            'title.required'   => __('Please enter a title!'),
            'title.min'        => __('The title must be at least :min characters long.'),
            'content.required' => __('Please enter a content!'),
            'content.min'      => __('The content must be at least :min characters long.')
        ];
    }

    /**
     * @return RedirectResponse
     */
    public function success(): RedirectResponse
    {
        return redirect()->route('thread', [$this->post->thread->slug, '#post-' . $this->post->id])->with([
            'success' => __('The posting was updated successfully.')
        ]);
    }

    /**
     * @return RedirectResponse
     */
    public function failed(): RedirectResponse
    {
        return redirect()->route('post-edit', [$this->post('uuid')])->with([
            'error' => __('The post could not be updated due to technical difficulties.')
        ])->withInput();
    }
}