<?php

namespace App\Http\Controllers;

use App\Models\User;
use Illuminate\Http\Request;
use Illuminate\Support\Facades\Auth;
use Illuminate\Support\Facades\Storage;
use Illuminate\Validation\Rule;

class ProfileController extends Controller
{
    /**
     * Display the specified user's profile.
     */
    public function show(User $user)
    {
        // Get user's products
        $products = $user->products()
            ->with(['category', 'user'])
            ->approved()
            ->withCount('upvotes')
            ->latest()
            ->paginate(12);

        // Get user's stats
        $stats = [
            'products_count' => $user->products()->approved()->count(),
            'total_upvotes' => $user->products()->approved()->withCount('upvotes')->get()->sum('upvotes_count'),
            'comments_count' => $user->comments()->count(),
        ];

        return view('profile.show', compact('user', 'products', 'stats'));
    }

    /**
     * Show the form for editing the authenticated user's profile.
     */
    public function edit()
    {
        $user = Auth::user();
        return view('profile.edit', compact('user'));
    }

    /**
     * Update the authenticated user's profile.
     */
    public function update(Request $request)
    {
        $user = Auth::user();

        $validated = $request->validate([
            'name' => ['required', 'string', 'max:255'],
            'email' => ['required', 'string', 'email', 'max:255', Rule::unique('users')->ignore($user->id)],
            'avatar' => ['nullable', 'image', 'mimes:jpeg,png,jpg,gif', 'max:2048'],
            'bio' => ['nullable', 'string', 'max:1000'],
            'website' => ['nullable', 'url', 'max:255'],
            'twitter' => ['nullable', 'string', 'max:255'],
            'github' => ['nullable', 'string', 'max:255'],
            'linkedin' => ['nullable', 'string', 'max:255'],
        ]);

        // Handle avatar upload
        if ($request->hasFile('avatar')) {
            // Delete old avatar if exists
            if ($user->avatar) {
                Storage::disk('public')->delete('avatars/' . $user->avatar);
            }

            // Store new avatar
            $avatarName = time() . '_' . $user->id . '.' . $request->avatar->extension();
            $request->avatar->storeAs('avatars', $avatarName, 'public');
            $validated['avatar'] = $avatarName;
        }

        // Regenerate slug if name changed
        if ($request->name !== $user->name) {
            $validated['slug'] = User::generateUniqueSlug($request->name);
        }

        // Update user profile
        $user->update($validated);

        return redirect()->route('profile.show', $user)
            ->with('success', 'Profile updated successfully!');
    }

    /**
     * Delete the user's avatar.
     */
    public function deleteAvatar()
    {
        $user = Auth::user();

        if ($user->avatar) {
            Storage::disk('public')->delete('avatars/' . $user->avatar);
            $user->update(['avatar' => null]);
        }

        return redirect()->route('profile.edit')
            ->with('success', 'Avatar deleted successfully!');
    }
}