<?php
use Illuminate\Database\Migrations\Migration;
use Illuminate\Database\Schema\Blueprint;
use Illuminate\Support\Facades\Schema;

return new class extends Migration {
    public function up() {
        Schema::create('bookings', function (Blueprint $table) {
            $table->id();
            $table->string('bookingnumber'); 
            $table->unsignedBigInteger('client_id');
            $table->unsignedBigInteger('employee_id'); 
            $table->unsignedBigInteger('service_id');
            $table->date('bookingdate');
            $table->time('starttime');
            $table->time('endtime');
            $table->enum('status', ['confirmed', 'cancelled', 'completed'])->default('confirmed');
            $table->enum('cancelledby', ['client', 'admin'])->nullable();
            $table->text('cancelreason')->nullable();
            $table->timestamps();
            
            // Внешние ключи
            $table->foreign('client_id')->references('id')->on('users');
            $table->foreign('employee_id')->references('id')->on('users'); 
            $table->foreign('service_id')->references('id')->on('services');
            
            // УНИКАЛЬНЫЙ ИНДЕКС 
            $table->unique(['employee_id', 'bookingdate', 'starttime'], 'unique_booking_slot');
        });
    }
    
    public function down() {
        Schema::dropIfExists('bookings');
    }
};