<?php

namespace App\Http\Controllers;

use App\Models\Article;
use Illuminate\Http\Request;
use Illuminate\Contracts\View\View;
use Illuminate\Support\Facades\Auth;
use Illuminate\Http\RedirectResponse;
use Illuminate\Validation\Rules\File;

class WriterController extends Controller
{
    public function authenticate(Request $request): RedirectResponse
    {
        $credentials = $request->validate([
            'email' => ['required', 'email'],
            'password' => ['required'],
        ]);
 
        if (Auth::attempt($credentials)) {
            $request->session()->regenerate();
 
            return redirect()->intended('writer');
        }
 
        return back()->withErrors([
            'email' => 'The provided credentials do not match our records.',
        ])->onlyInput('email');
    }

    public function logout(Request $request): RedirectResponse
    {
        Auth::logout();
 
        $request->session()->invalidate();
    
        $request->session()->regenerateToken();
    
        return redirect(route('login'));
    }

    public function dashboard(Request $request): View
    {
        return view('writer.dashboard');
    }

    public function newArticle(Request $request): View
    {
        return view('writer.new-article');
    }

    public function livePreview(Request $request): View
    {
        //$validated = $request->validate([
        //    'header-image' => [File::types(['png', 'jpg', 'jpeg', 'webp'])->max(2 * 1024)],
        //]);

        // Upload the file
        $header_image_path = $this->storeHeaderImage($request);
        $article_empty = new Article();
        $article_empty->markdown_body = $request->get('markdown-body');
        $article_empty->convertMarkdownToMarkup();

        $article = [
            'title' => $request->title ?? '[Title]',
            'header_image_url' => $header_image_path ? asset("storage/$header_image_path") : null,
            'subtitle' => $request->subtitle ?? '[Sub Title]',
            'author' => [
                'display_name' => auth()->user()->author?->displayName,
            ],
            'published_at' => $request->get('publication-date') ?? null,
            'primary_link' => $request->primary_link ?? null,
            'secondary_link' => $request->secondary_link ?? null,
            'mastodon_handle' => $request->mastodon_handle ?? null,
            'body' => $article_empty->body ?? '[Post Body]',
        ];

        return view('shared.single-article', ['article' => $article]);
    }

    public function saveArticle(Request $request): RedirectResponse
    {
        $header_image_path = $this->storeHeaderImage($request);
        $article_empty = new Article();
        $article_empty->markdown_body = $request->get('markdown-body');
        $article_empty->convertMarkdownToMarkup();

        Article::create([
            'title' => $request->title ?? null,
            'slug' => $request->slug ?? null,
            'author_id' => auth()->user()->id,
            'subtitle' => $request->subtitle ?? null,
            'body' => $article_empty->body,
            'published_at' => $request->get('publication-date') ?? null,
            'header_image_url' => $header_image_path ? asset("storage/$header_image_path") : null,
            'markdown_body' => $request->get('markdown-body'),
        ]);

        return redirect(route('dashboard'));
    }

    private function storeHeaderImage(Request $request): ?string
    {
        if(! $request->hasFile('header-image')) return null;

        $header_image = $request->file('header-image');

        return $header_image->storeAs('article-header-images', $header_image->getClientOriginalName(), 'public');
    }
}