<?php

namespace App\Http\Controllers;

use App\Services\ApiService;
use Illuminate\Http\Client\ConnectionException;
use Illuminate\Http\Request;

class StudentController extends Controller
{
    protected ApiService $api;

    public function __construct(ApiService $api)
    {
        $this->api = $api;
    }

    public function index()
    {
        $responseStudents = $this->api->get('/employee/students');
        $responseGroups = $this->api->get('/employee/groups');

        if ($responseStudents->successful() && $responseGroups->successful()) {
            $students = $responseStudents->json();
            $groups = $responseGroups->json();
            $groupsList = collect($groups)->pluck('name', 'id')->toArray();
            return view('students.index', compact('students', 'groupsList'));
        }

        abort($responseStudents->status());
    }

    public function create()
    {
        $groups = $this->api->get('/employee/groups')->json();
        return view('students.form', ['groups' => $groups]);
    }

    public function store(Request $request)
    {
        $response = $this->api->post('/employee/students', $request->all());

        if ($response->successful()) {
            return redirect()->route('students.index')
                ->with('success', 'Студент успешно создан');
        }

        return back()->withErrors($response->json()['errors'] ?? []);
    }

    public function edit($id)
    {
        $response = $this->api->get("/employee/students/{$id}");

        if ($response->successful()) {
            $student = $response->json();
            $groups = $this->api->get('/employee/groups')->json();
            return view('students.form', [
                'student' => $student,
                'groups' => $groups,
                'isEdit' => true
            ]);
        }

        abort($response->status());
    }

    /**
     * @throws ConnectionException
     */
    public function update(Request $request, $id)
    {
        $response = $this->api->patch("/employee/students/{$id}", $request->all());

        if ($response->successful()) {
            return redirect()->route('students.index')
                ->with('success', 'Данные студента обновлены');
        }

        return back()->withErrors($response->json()['errors'] ?? []);
    }

    public function destroy($id)
    {
        $response = $this->api->delete("/employee/students/{$id}");

        if ($response->successful()) {
            return redirect()->route('students.index')
                ->with('success', 'Студент удален');
        }

        return back()->withErrors($response->json()['error'] ?? 'Ошибка при удалении');
    }
}