<?php

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

/**
 * One row per summarization run. A call may be analysed more than once, so the
 * newest row for a linkedid is the current analysis and the older rows are
 * kept as history.
 */
return new class extends Migration
{
    public function up(): void
    {
        if (Schema::hasTable('call_ai_analyses')) {
            return;
        }

        Schema::create('call_ai_analyses', function (Blueprint $table) {
            $table->bigIncrements('id');
            $table->string('linkedid', 100);
            $table->string('direction', 10)->default('inbound');
            $table->unsignedInteger('company_id')->nullable();
            $table->unsignedInteger('user_id')->nullable();
            $table->unsignedBigInteger('provider_id')->nullable();
            $table->string('provider_driver', 50)->nullable();
            $table->string('status', 20)->default('queued');
            $table->longText('summary')->nullable();
            $table->longText('transcript')->nullable();
            $table->string('language', 20)->nullable();
            $table->unsignedInteger('audio_seconds')->nullable();
            $table->unsignedBigInteger('audio_bytes')->nullable();
            $table->text('error')->nullable();
            $table->json('meta')->nullable();
            $table->timestamp('started_at')->nullable();
            $table->timestamp('completed_at')->nullable();
            $table->timestamps();

            $table->index(['linkedid', 'id']);
            $table->index('status');
            $table->index('company_id');
        });
    }

    public function down(): void
    {
        Schema::dropIfExists('call_ai_analyses');
    }
};