<?php

declare(strict_types=1);

namespace App\Repositories;

use App\Models\Thanatopractitioner;
use Illuminate\Database\Eloquent\Collection;

class ThanatopractitionerRepository extends BaseRepository implements ThanatopractitionerRepositoryInterface
{
    public function __construct(Thanatopractitioner $model)
    {
        parent::__construct($model);
    }

    /**
     * Get all thanatopractitioners with optional filtering.
     */
    public function getAll(array $filters = []): Collection
    {
        $query = $this->model->newQuery()->with(['employee']);

        // Apply filters
        if (!empty($filters['search'])) {
            $query->whereHas('employee', function ($q) use ($filters) {
                $q->search($filters['search']);
            });
        }

        if (isset($filters['valid_authorization'])) {
            if ($filters['valid_authorization']) {
                $query->withValidAuthorization();
            } else {
                $query->withExpiredAuthorization();
            }
        }

        // Apply sorting
        $sortField = $filters['sort_by'] ?? 'created_at';
        $sortDirection = $filters['sort_direction'] ?? 'desc';
        $query->orderBy($sortField, $sortDirection);

        return $query->get();
    }

    /**
     * Find a thanatopractitioner by ID.
     */
    public function findById(int $id): ?Thanatopractitioner
    {
        return $this->model->newQuery()
            ->with(['employee', 'documents'])
            ->find($id);
    }

    /**
     * Find a thanatopractitioner by employee ID.
     */
    public function findByEmployeeId(int $employeeId): ?Thanatopractitioner
    {
        return $this->model->newQuery()
            ->with(['employee', 'documents'])
            ->where('employee_id', $employeeId)
            ->first();
    }

    /**
     * Get thanatopractitioners with valid authorization.
     */
    public function getWithValidAuthorization(): Collection
    {
        return $this->model->newQuery()
            ->with(['employee'])
            ->withValidAuthorization()
            ->orderBy('authorization_expiry_date')
            ->get();
    }

    /**
     * Get thanatopractitioners with expired authorization.
     */
    public function getWithExpiredAuthorization(): Collection
    {
        return $this->model->newQuery()
            ->with(['employee'])
            ->withExpiredAuthorization()
            ->orderBy('authorization_expiry_date', 'desc')
            ->get();
    }

    /**
     * Get thanatopractitioners with their complete data.
     */
    public function getWithRelations(): Collection
    {
        return $this->model->newQuery()
            ->with(['employee', 'documents'])
            ->orderBy('created_at', 'desc')
            ->get();
    }

    /**
     * Get thanatopractitioners with pagination.
     */
    public function getPaginated(int $perPage = 10): array
    {
        $paginator = $this->model->newQuery()
            ->with(['employee'])
            ->paginate($perPage);

        return [
            'thanatopractitioners' => $paginator->getCollection(),
            'pagination' => [
                'current_page' => $paginator->currentPage(),
                'last_page' => $paginator->lastPage(),
                'per_page' => $paginator->perPage(),
                'total' => $paginator->total(),
            ],
        ];
    }

    /**
     * Get thanatopractitioner statistics.
     */
    public function getStatistics(): array
    {
        return [
            'total' => $this->model->newQuery()->count(),
            'with_valid_authorization' => $this->model->newQuery()->withValidAuthorization()->count(),
            'with_expired_authorization' => $this->model->newQuery()->withExpiredAuthorization()->count(),
            'with_documents' => $this->model->newQuery()->has('documents')->count(),
        ];
    }

    /**
     * Search thanatopractitioners by employee name.
     */
    public function searchByEmployeeName(string $query): Collection
    {
        return $this->model->newQuery()
            ->with(['employee'])
            ->whereHas('employee', function ($q) use ($query) {
                $q->where('first_name', 'LIKE', "%{$query}%")
                  ->orWhere('last_name', 'LIKE', "%{$query}%")
                  ->orWhereRaw("CONCAT(first_name, ' ', last_name) LIKE ?", ["%{$query}%"]);
            })
            ->limit(10)
            ->get();
    }
}