<?php

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

class CreateAnnotationsTable extends Migration
{
    /**
     * Run the migrations.
     *
     * @return void
     */
    public function up()
    {
        // Drop table if exists to avoid conflicts
        Schema::dropIfExists('annotations');
        
        Schema::create('annotations', function (Blueprint $table) {
            $table->id();
            $table->string('shape_id')->unique();
            $table->string('spool_no')->nullable();
            $table->string('joint_type')->nullable();
            $table->string('classification')->nullable();
            $table->integer('page_number');
            $table->decimal('x_coordinate', 10, 2);
            $table->decimal('y_coordinate', 10, 2);
            $table->decimal('width', 10, 2)->nullable();
            $table->decimal('height', 10, 2)->nullable();
            $table->enum('shape_type', ['leader_line', 'rect', 'circle', 'triangle', 'text', 'line'])->default('rect');
            $table->text('qr_code_data')->nullable();
            $table->string('pdf_file_path');
            $table->string('created_by')->nullable();
            $table->json('original_start_point')->nullable();
            $table->string('connected_shape_id')->nullable();
            $table->timestamps();
            
            // Indexes for better performance
            $table->index('pdf_file_path');
            $table->index('page_number');
            $table->index(['pdf_file_path', 'page_number']);
        });
    }

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