<?php

use Illuminate\Database\Migrations\Migration;
use Illuminate\Database\Schema\Blueprint;
use Illuminate\Support\Facades\Schema;

return new class extends Migration
{
    /**
     * Run the migrations.
     */
    public function up(): void
    {
        Schema::create('conversations', function (Blueprint $table) {
            $table->id();

            $table->foreignId('listing_id')
            ->constrained('listings')
            ->restrictOnDelete();

            $table->foreignId('buyer_id')
            ->constrained('users')
            ->restrictOnDelete();

            $table->foreignId('consultant_profile_id')
            ->constrained('consultant_profiles')
            ->restrictOnDelete();

            $table->timestamp('last_message_at')->nullable();

            $table->unique([
                'listing_id',
                'buyer_id'
            ]);

            $table->index([
                'consultant_profile_id',
                'last_message_at'
            ]);

            $table->timestamps();
        });
    }

    /**
     * Reverse the migrations.
     */
    public function down(): void
    {
        Schema::dropIfExists('conversations');
    }
};
