<?php

declare(strict_types=1);

namespace App\JsonRpc\Service;

use Aether\Exception\BusinessException;
use App\Model\Campus;
use App\Model\Teacher;
use App\Validator\CampusValidator;
use Hyperf\Di\Annotation\Inject;
use Hyperf\RpcServer\Annotation\RpcService;
use MicroService\Contract\DataServiceInterface;

#[RpcService(name: 'DataService', server: 'jsonrpc-http', protocol: 'jsonrpc-http', publishTo: 'nacos')]
class DataService implements DataServiceInterface
{
    #[Inject]
    protected Campus $campusModel;

    #[Inject]
    protected CampusValidator $campusValidator;

    public function getCampusById(int $id): array
    {
        $campus = Campus::find($id);
        if (! $campus || $campus->status != 1) {
            throw new BusinessException('校区不存在或已禁用', 10001);
        }
        return $campus->toArray();
    }

    public function getCampusesByIds(array $ids): array
    {
        return Campus::whereIn('id', $ids)
            ->enabled()
            ->get()
            ->toArray();
    }

    public function getCampusesByParentId(int $parentId): array
    {
        return Campus::where('parent_id', $parentId)
            ->enabled()
            ->get()
            ->toArray();
    }

    public function getProvinces(): array
    {
        return Campus::level(1)
            ->enabled()
            ->orderBy('name')
            ->get(['id', 'name', 'province'])
            ->toArray();
    }

    public function getCitiesByProvince(string $province): array
    {
        return Campus::level(2)
            ->province($province)
            ->enabled()
            ->orderBy('name')
            ->get(['id', 'name', 'city'])
            ->toArray();
    }

    public function getTeacherById(int $id): array
    {
        $teacher = Teacher::find($id);
        if (! $teacher || $teacher->status != 1) {
            throw new BusinessException('教师不存在或已禁用', 10101);
        }
        return $teacher->toArray();
    }

    public function getTeachersByIds(array $ids): array
    {
        return Teacher::whereIn('id', $ids)
            ->enabled()
            ->orderBy('sort_order', 'asc')
            ->get()
            ->toArray();
    }

    public function getTeachersByCampusId(int $campusId, int $page = 1, int $size = 20): array
    {
        $query = Teacher::campusId($campusId)
            ->enabled()
            ->orderBy('sort_order', 'asc');

        $total = $query->count();
        $list = $query->forPage($page, $size)->get()->toArray();

        return [
            'total' => $total,
            'page' => $page,
            'size' => $size,
            'list' => $list,
        ];
    }

    public function getTeachersBySubject(string $subject, int $page = 1, int $size = 20): array
    {
        $query = Teacher::subject($subject)
            ->enabled()
            ->orderBy('sort_order', 'asc');

        $total = $query->count();
        $list = $query->forPage($page, $size)->get()->toArray();

        return [
            'total' => $total,
            'page' => $page,
            'size' => $size,
            'list' => $list,
        ];
    }

    public function searchTeachers(string $keyword, int $page = 1, int $size = 20): array
    {
        $query = Teacher::search($keyword)
            ->enabled()
            ->orderBy('sort_order', 'asc');

        $total = $query->count();
        $list = $query->forPage($page, $size)->get()->toArray();

        return [
            'total' => $total,
            'page' => $page,
            'size' => $size,
            'list' => $list,
        ];
    }
}