<?php

declare(strict_types=1);

namespace App\Repositories;

use App\Models\WebmailMessage;
use Illuminate\Contracts\Pagination\LengthAwarePaginator;

class WebmailMessageRepository extends BaseRepository implements WebmailMessageRepositoryInterface
{
    public function __construct(WebmailMessage $model)
    {
        parent::__construct($model);
    }

    public function paginateForUser(int $userId, array $filters = [], int $perPage = 15): LengthAwarePaginator
    {
        $query = $this->model->newQuery()
            ->where('user_id', $userId)
            ->orderByRaw('COALESCE(received_at, sent_at, created_at) DESC');

        if (!empty($filters['folder'])) {
            $query->where('folder', $filters['folder']);
        }

        if (!empty($filters['status'])) {
            $query->where('status', $filters['status']);
        }

        if (array_key_exists('unread', $filters) && $filters['unread'] !== null) {
            $filters['unread']
                ? $query->whereNull('read_at')
                : $query->whereNotNull('read_at');
        }

        if (array_key_exists('starred', $filters) && $filters['starred'] !== null) {
            $filters['starred']
                ? $query->whereNotNull('starred_at')
                : $query->whereNull('starred_at');
        }

        if (!empty($filters['search'])) {
            $search = '%' . trim((string) $filters['search']) . '%';

            $query->where(function ($builder) use ($search): void {
                $builder
                    ->where('subject', 'like', $search)
                    ->orWhere('from_email', 'like', $search)
                    ->orWhere('from_name', 'like', $search)
                    ->orWhere('body', 'like', $search)
                    ->orWhere('snippet', 'like', $search);
            });
        }

        return $query->paginate($perPage);
    }

    public function findForUser(int|string $id, int $userId): ?WebmailMessage
    {
        $message = $this->model->newQuery()
            ->where('user_id', $userId)
            ->find($id);

        return $message instanceof WebmailMessage ? $message : null;
    }

    public function statsForUser(int $userId): array
    {
        $baseQuery = $this->model->newQuery()->where('user_id', $userId);

        return [
            'total' => (clone $baseQuery)->count(),
            'inbox' => (clone $baseQuery)->where('folder', 'inbox')->count(),
            'sent' => (clone $baseQuery)->where('folder', 'sent')->count(),
            'drafts' => (clone $baseQuery)->where('folder', 'drafts')->count(),
            'trash' => (clone $baseQuery)->where('folder', 'trash')->count(),
            'unread' => (clone $baseQuery)->whereNull('read_at')->count(),
            'starred' => (clone $baseQuery)->whereNotNull('starred_at')->count(),
        ];
    }
}