<?php

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

return new class extends Migration
{
    public function up(): void
    {
        Schema::create('pos_locations', function (Blueprint $table) {
            $table->id();
            $table->string('owner_ref')->index();
            $table->string('name');
            $table->string('currency', 3)->default('GHS');
            $table->text('receipt_footer')->nullable();
            $table->timestamps();
        });

        Schema::create('pos_products', function (Blueprint $table) {
            $table->id();
            $table->string('owner_ref')->index();
            $table->foreignId('location_id')->nullable()->constrained('pos_locations')->nullOnDelete();
            $table->string('name');
            $table->string('sku')->nullable();
            $table->unsignedInteger('price_minor');
            $table->string('currency', 3)->default('GHS');
            $table->boolean('is_active')->default(true);
            $table->timestamps();

            $table->index(['owner_ref', 'is_active']);
        });

        Schema::create('pos_sales', function (Blueprint $table) {
            $table->id();
            $table->string('owner_ref')->index();
            $table->foreignId('location_id')->nullable()->constrained('pos_locations')->nullOnDelete();
            $table->string('reference')->unique();
            $table->string('status')->default('pending'); // pending | paid | failed | cancelled
            $table->string('payment_method')->default('pay'); // pay | cash
            $table->unsignedBigInteger('pay_order_id')->nullable();
            $table->string('payment_reference')->nullable()->index();
            $table->string('customer_name')->nullable();
            $table->string('customer_email')->nullable();
            $table->string('customer_phone', 40)->nullable();
            $table->unsignedBigInteger('crm_customer_id')->nullable();
            $table->unsignedInteger('subtotal_minor')->default(0);
            $table->unsignedInteger('total_minor')->default(0);
            $table->string('currency', 3)->default('GHS');
            $table->timestamp('paid_at')->nullable();
            $table->timestamps();

            $table->index(['owner_ref', 'status', 'created_at']);
        });

        Schema::create('pos_sale_lines', function (Blueprint $table) {
            $table->id();
            $table->foreignId('pos_sale_id')->constrained('pos_sales')->cascadeOnDelete();
            $table->foreignId('product_id')->nullable()->constrained('pos_products')->nullOnDelete();
            $table->string('name');
            $table->unsignedInteger('unit_price_minor');
            $table->unsignedInteger('quantity')->default(1);
            $table->unsignedInteger('line_total_minor');
            $table->unsignedSmallInteger('position')->default(0);
            $table->timestamps();
        });
    }

    public function down(): void
    {
        Schema::dropIfExists('pos_sale_lines');
        Schema::dropIfExists('pos_sales');
        Schema::dropIfExists('pos_products');
        Schema::dropIfExists('pos_locations');
    }
};