<?php

namespace App\Services;

use App\Models\StudentMedia;
use Illuminate\Database\Eloquent\Collection;
use Illuminate\Support\Facades\Storage;

class StudentMediaService
{
    public function getAll(array $filters = []): Collection
    {
        $query = StudentMedia::orderBy('created_at', 'desc');

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

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

        return $query->get();
    }

    public function create(array $data): StudentMedia
    {
        /** @var \Illuminate\Http\UploadedFile $file */
        $file = $data['file'];
        $path = $file->store('student-media');

        return StudentMedia::create([
            'student_id' => $data['student_id'],
            'name'       => $data['name'] ?? null,
            'url'        => $path,
            'file_type'  => $file->getMimeType(),
            'type'       => 'media',
        ]);
    }

    public function createFromContract(int $studentId, int $contractId, $file): StudentMedia
    {
        /** @var \Illuminate\Http\UploadedFile $file */
        $path = $file->store('student-media');

        return StudentMedia::create([
            'student_id'          => $studentId,
            'student_contract_id' => $contractId,
            'url'                 => $path,
            'file_type'           => $file->getMimeType(),
            'type'                => 'contract',
        ]);
    }

    public function findById(int $id): ?StudentMedia
    {
        return StudentMedia::find($id);
    }

    public function update(int $id, array $data): ?StudentMedia
    {
        $model = $this->findById($id);

        if (!$model) {
            return null;
        }

        if (isset($data['file'])) {
            Storage::delete($model->url);
            /** @var \Illuminate\Http\UploadedFile $file */
            $file              = $data['file'];
            $data['url']       = $file->store('student-media');
            $data['file_type'] = $file->getMimeType();
            unset($data['file']);
        }

        $model->update($data);
        return $model->fresh();
    }

    public function delete(int $id): bool
    {
        $model = $this->findById($id);

        if (!$model) {
            return false;
        }

        Storage::delete($model->url);
        return $model->delete();
    }
}