<?php

namespace App\Http\Controllers\Dashboard;

use App\Http\Controllers\Controller;
use App\Support\AvatarUrl;
use Illuminate\Http\Request;
use Illuminate\Support\Facades\DB;

class FollowerController extends Controller
{
    public function index(Request $request)
    {
        $user    = $request->user();
        $perPage = 30;

        // People who follow $user (user_id = $user being followed)
        $followers = DB::table('user_followers as uf')
            ->join('users as u', 'u.id', '=', 'uf.follower_id')
            ->leftJoin('user_profiles as up', 'up.user_id', '=', 'u.id')
            ->leftJoin('user_statistics as us', 'us.user_id', '=', 'u.id')
            ->where('uf.user_id', $user->id)
            ->whereNull('u.deleted_at')
            ->orderByDesc('uf.created_at')
            ->select([
                'u.id', 'u.username', 'u.name',
                'up.avatar_hash',
                'us.uploads_count',
                'uf.created_at as followed_at',
            ])
            ->paginate($perPage)
            ->withQueryString()
            ->through(fn ($row) => (object) [
                'id'          => $row->id,
                'username'    => $row->username,
                'uname'       => $row->username ?? $row->name,
                'avatar_url'  => AvatarUrl::forUser((int) $row->id, $row->avatar_hash, 50),
                'profile_url' => '/@' . strtolower((string) ($row->username ?? $row->id)),
                'uploads'     => $row->uploads_count ?? 0,
                'followed_at' => $row->followed_at,
            ]);

        return view('dashboard.followers', [
            'followers'  => $followers,
            'page_title' => 'My Followers',
        ]);
    }
}