<?php

namespace App\Http\Controllers;

use Illuminate\Http\Request;
use App\Models\EmployeeAvailability;

class AvailabilitiesController extends Controller
{
    public function index(Request $request)
    {
        $availabilities = EmployeeAvailability::with('employee')
            ->when($request->has('employee_id'), function ($query) use ($request) {
                $query->where('employee_id', $request->employee_id);
            })
            ->when($request->has('date'), function ($query) use ($request) {
                $query->where('date', $request->date);
            })
            ->get();

        return response()->json($availabilities);
    }

    public function store(Request $request)
    {
        $validated = $request->validate([
            'employee_id' => 'required|exists:users,id',
            'date' => 'required|date',
            'start_time' => 'required|date_format:H:i:s',
            'end_time' => 'required|date_format:H:i:s|after:start_time',
            'is_available' => 'boolean'
        ]);

        $availability = EmployeeAvailability::create($validated);

        return response()->json($availability, 201);
    }

    public function bulkStore(Request $request)
    {
        $validated = $request->validate([
            'employee_id' => 'required|exists:users,id',
            'date' => 'required|date',
            'intervals' => 'required|array'
        ]);

        foreach ($request->intervals as $interval) {
            EmployeeAvailability::create([
                'employee_id' => $request->employee_id,
                'date' => $request->date,
                'start_time' => $interval['start'],
                'end_time' => $interval['end'],
                'is_available' => true
            ]);
        }

        return response()->json(['message' => 'Расписание добавлено']);
    }

    public function destroy($id)
    {
        $availability = EmployeeAvailability::findOrFail($id);
        $availability->delete();

        return response()->json(['message' => 'Слот удалён']);
    }

    // ✅ Единственный метод publicAvailability
    public function publicAvailability(Request $request)
    {
        $serviceId = $request->query('service_id');
        $date = $request->query('date');

        if (!$serviceId || !$date) {
            return response()->json([]);
        }

        $availabilities = EmployeeAvailability::where('date', $date)
            ->where('is_available', true)
            ->get();

        $slots = [];
        foreach ($availabilities as $avail) {
            $slots[] = [
                'employee_id' => $avail->employee_id,
                'start' => substr($avail->start_time, 0, 5),
                'end' => substr($avail->end_time, 0, 5),
            ];
        }

        return response()->json($slots);
    }
}