<?php

declare(strict_types=1);

namespace Tests\Framework\Database\ValueObjects;

use App\Framework\Database\ValueObjects\QueryParameters;
use App\Framework\Database\ValueObjects\SqlQuery;
use InvalidArgumentException;

describe('SqlQuery Value Object', function () {
    it('can be created with SQL and parameters', function () {
        $params = QueryParameters::fromArray(['id' => 123]);
        $query = new SqlQuery('SELECT * FROM users WHERE id = :id', $params);

        expect($query->sql)->toBe('SELECT * FROM users WHERE id = :id');
        expect($query->parameters->get('id'))->toBe(123);
    });

    it('can be created with create factory method', function () {
        $query = SqlQuery::create('SELECT * FROM users', ['limit' => 10]);

        expect($query->sql)->toBe('SELECT * FROM users');
        expect($query->parameters->get('limit'))->toBe(10);
    });

    it('can create SELECT queries', function () {
        $query = SqlQuery::select('users', ['id', 'name'], 'active = 1');

        expect($query->sql)->toBe('SELECT id, name FROM users WHERE active = 1');
        expect($query->isSelect())->toBeTrue();
    });

    it('can create INSERT queries', function () {
        $query = SqlQuery::insert('users', ['name' => 'John', 'email' => 'john@test.com']);

        expect($query->sql)->toBe('INSERT INTO users (name, email) VALUES (:name, :email)');
        expect($query->parameters->get('name'))->toBe('John');
        expect($query->parameters->get('email'))->toBe('john@test.com');
        expect($query->isInsert())->toBeTrue();
    });

    it('can create UPDATE queries', function () {
        $query = SqlQuery::update('users', ['name' => 'Jane'], 'id = :id');

        expect($query->sql)->toBe('UPDATE users SET name = :name WHERE id = :id');
        expect($query->parameters->get('name'))->toBe('Jane');
        expect($query->isUpdate())->toBeTrue();
    });

    it('can create DELETE queries', function () {
        $query = SqlQuery::delete('users', 'id = :id');

        expect($query->sql)->toBe('DELETE FROM users WHERE id = :id');
        expect($query->isDelete())->toBeTrue();
    });

    it('can add parameters immutably', function () {
        $query = SqlQuery::create('SELECT * FROM users WHERE id = :id');
        $newQuery = $query->withParameter('id', 123);

        expect($query->parameters->has('id'))->toBeFalse(); // Original unchanged
        expect($newQuery->parameters->get('id'))->toBe(123);
    });

    it('can add multiple parameters', function () {
        $query = SqlQuery::create('SELECT * FROM users');
        $newQuery = $query->withParameters(['limit' => 10, 'offset' => 20]);

        expect($newQuery->parameters->get('limit'))->toBe(10);
        expect($newQuery->parameters->get('offset'))->toBe(20);
    });

    it('detects query types correctly', function () {
        expect(SqlQuery::create('SELECT * FROM users')->isSelect())->toBeTrue();
        expect(SqlQuery::create('INSERT INTO users VALUES (1)')->isInsert())->toBeTrue();
        expect(SqlQuery::create('UPDATE users SET name = "test"')->isUpdate())->toBeTrue();
        expect(SqlQuery::create('DELETE FROM users')->isDelete())->toBeTrue();
        expect(SqlQuery::create('CREATE TABLE test (id INT)')->isDDL())->toBeTrue();
        expect(SqlQuery::create('ALTER TABLE test ADD column')->isDDL())->toBeTrue();
        expect(SqlQuery::create('DROP TABLE test')->isDDL())->toBeTrue();
    });

    it('detects modifying queries', function () {
        expect(SqlQuery::create('SELECT * FROM users')->isModifying())->toBeFalse();
        expect(SqlQuery::create('INSERT INTO users VALUES (1)')->isModifying())->toBeTrue();
        expect(SqlQuery::create('UPDATE users SET name = "test"')->isModifying())->toBeTrue();
        expect(SqlQuery::create('DELETE FROM users')->isModifying())->toBeTrue();
        expect(SqlQuery::create('CREATE TABLE test (id INT)')->isModifying())->toBeTrue();
    });

    it('generates debug string correctly', function () {
        $query = SqlQuery::create('SELECT * FROM users WHERE id = :id AND name = :name', [
            'id' => 123,
            'name' => 'John',
        ]);

        $debug = $query->toDebugString();
        expect($debug)->toContain('123');
        expect($debug)->toContain("'John'");
        expect($debug)->not->toContain(':id');
        expect($debug)->not->toContain(':name');
    });

    it('converts to string', function () {
        $query = SqlQuery::create('SELECT * FROM users');
        expect($query->toString())->toBe('SELECT * FROM users');
        expect($query->__toString())->toBe('SELECT * FROM users');
    });

    it('throws exception for empty SQL', function () {
        expect(fn () => new SqlQuery(''))->toThrow(InvalidArgumentException::class);
        expect(fn () => new SqlQuery('   '))->toThrow(InvalidArgumentException::class);
    });

    it('throws exception for too large SQL', function () {
        $largeSql = str_repeat('SELECT * FROM users; ', 100000); // > 1MB
        expect(fn () => new SqlQuery($largeSql))->toThrow(InvalidArgumentException::class);
    });

    it('throws exception for empty insert data', function () {
        expect(fn () => SqlQuery::insert('users', []))->toThrow(InvalidArgumentException::class);
    });

    it('throws exception for empty update data', function () {
        expect(fn () => SqlQuery::update('users', [], 'id = 1'))->toThrow(InvalidArgumentException::class);
    });
});