<?php

namespace App\Http\Controllers;

use Illuminate\Http\Request;
use Illuminate\Support\Facades\Auth;

class DashboardController extends Controller
{
    /**
     * Show the user dashboard.
     *
     * @return \Illuminate\Contracts\Support\Renderable
     */
    public function index()
    {
        $user = Auth::user();

        // Storage stats
        $usedStorage = $user->getStorageUsed();
        $totalStorage = $user->storage_quota;
        $storagePercent = $totalStorage > 0 ? min(100, round(($usedStorage / $totalStorage) * 100)) : 0;

        // File stats
        $fileCount = 0; // TODO: update when DB schema supports user->files()
        $recentFiles = collect();

        // Writing stats
        $writingCount = $user->writings()->count();
        $recentWritings = $user->writings()->orderBy('created_at', 'desc')->take(3)->get();

        return view('dashboard', compact(
            'user',
            'usedStorage',
            'totalStorage',
            'storagePercent',
            'fileCount',
            'recentFiles',
            'writingCount',
            'recentWritings',
        ));
    }
    
    /**
     * Show activity statistics.
     *
     * @return \Illuminate\Http\JsonResponse
     */
    public function statistics()
    {
        $user = Auth::user();
        
        $stats = [
            'files' => [
                'count' => $user->files()->count(),
                'size' => $user->files()->sum('size'),
                'recent' => $user->files()->latest()->take(5)->get()
            ],
            'writings' => [
                'count' => $user->writings()->count(),
                'recent' => $user->writings()->latest()->take(5)->get()
            ],
            'storage' => [
                'used' => $user->getStorageUsed(),
                'total' => $user->storage_quota,
                'percent' => min(100, round(($user->getStorageUsed() / max(1, $user->storage_quota)) * 100))
            ]
        ];
        
        return response()->json($stats);
    }

}