<?php

namespace Tests\Feature\Business;

use Illuminate\Database\Schema\Blueprint;
use Illuminate\Support\Facades\DB;
use Illuminate\Support\Facades\Schema;
use RuntimeException;
use Tests\TestCase;

class BusinessMigrationCompatibilityTest extends TestCase
{
    private const CONNECTION = 'business_migration_compatibility';

    private string $previousDefaultConnection;

    protected function setUp(): void
    {
        parent::setUp();

        $this->previousDefaultConnection = DB::getDefaultConnection();

        config([
            'database.connections.' . self::CONNECTION => [
                'driver' => 'sqlite',
                'database' => ':memory:',
                'prefix' => 'ak_',
                'foreign_key_constraints' => false,
            ],
        ]);

        DB::purge(self::CONNECTION);
        DB::setDefaultConnection(self::CONNECTION);
        DB::connection(self::CONNECTION)->getPdo();
    }

    protected function tearDown(): void
    {
        DB::disconnect(self::CONNECTION);
        DB::setDefaultConnection($this->previousDefaultConnection);

        parent::tearDown();
    }

    public function testFinanceMigrationResumesAfterTheFirstTableWasCreatedBeforeTheLedgerEntry(): void
    {
        $this->createCompaniesTable();
        $this->createCompatibleTaxDataTable();

        $migration = require database_path('migrations/2026_07_21_000000_create_business_finance_tables.php');
        $migration->up();
        $migration->up();

        foreach ([
            'ak_biz_tax_data',
            'ak_biz_sw_planning',
            'biz_sw_actual',
            'biz_company_stores',
            'ak_biz_store_changes',
            'ak_biz_invoice_basic',
            'ak_biz_store_invoice',
            'ak_biz_fund_forecast',
            'ak_biz_store_receiving_accounts',
            'ak_biz_bank_accounts',
            'ak_biz_express_receiving',
        ] as $table) {
            $this->assertTrue(Schema::hasTable($table), "Expected {$table} to exist after resuming the migration.");
        }
    }

    public function testFinanceMigrationRejectsAnIncompatiblePartialTable(): void
    {
        $this->createCompaniesTable();
        Schema::create('ak_biz_tax_data', function (Blueprint $table) {
            $table->id();
        });

        $migration = require database_path('migrations/2026_07_21_000000_create_business_finance_tables.php');

        $this->expectException(RuntimeException::class);
        $this->expectExceptionMessage('ak_biz_tax_data');

        $migration->up();
    }

    public function testBasicInformationMigrationResumesAfterItsFirstTableWasCreated(): void
    {
        Schema::create('business_company_information', function (Blueprint $table) {
            $table->increments('id');
            $table->integer('company_id');
            $table->string('unified_social_credit_code')->nullable();
            $table->string('company_name')->nullable();
            $table->text('business_scope')->nullable();
            $table->text('shareholders')->nullable();
            $table->timestamps();
            $table->softDeletes();
        });

        $migration = require database_path('migrations/2026_07_22_000000_create_business_basic_information_tables.php');
        $migration->up();
        $migration->up();

        $this->assertTrue(Schema::hasTable('business_company_information'));
        $this->assertTrue(Schema::hasTable('business_store_information'));
    }

    private function createCompaniesTable(): void
    {
        Schema::create('companies', function (Blueprint $table) {
            $table->id();
        });
    }

    private function createCompatibleTaxDataTable(): void
    {
        Schema::create('ak_biz_tax_data', function (Blueprint $table) {
            $table->id();
            $table->unsignedInteger('company_id');
            $table->string('company_name')->default('');
            $table->decimal('real_ship_revenue', 18, 2)->default(0);
            $table->decimal('final_tax_revenue', 18, 2)->default(0);
            $table->string('period')->default('');
            $table->timestamps();
        });
    }
}