<?php

declare(strict_types=1);

namespace Tests\Framework\Database\StoredProcedure;

use App\Framework\Database\StoredProcedure\StoredProcedureDefinition;

test('creates a stored procedure definition with builder pattern', function () {
    $procedure = StoredProcedureDefinition::create('get_user_by_id')
        ->withParameter('user_id', 'INT')
        ->withBody('SELECT * FROM users WHERE id = user_id')
        ->returnsType('TABLE');

    expect($procedure->getName())->toBe('get_user_by_id');
    expect($procedure->getParameters())->toHaveCount(1);
    expect($procedure->getParameters()[0]['name'])->toBe('user_id');
    expect($procedure->getParameters()[0]['type'])->toBe('INT');
    expect($procedure->getBody())->toBe('SELECT * FROM users WHERE id = user_id');
    expect($procedure->getReturnType())->toBe('TABLE');
});

test('generates MySQL stored procedure SQL', function () {
    $procedure = StoredProcedureDefinition::create('calculate_order_total')
        ->withParameter('order_id', 'INT')
        ->withParameter('include_tax', 'BOOLEAN', true)
        ->withBody('
            DECLARE total DECIMAL(10,2);
            SELECT SUM(price * quantity) INTO total FROM order_items WHERE order_id = order_id;
            IF include_tax THEN
                SET total = total * 1.19;
            END IF;
            RETURN total;
        ')
        ->returnsType('DECIMAL(10,2)');

    $sql = $procedure->toSql('mysql');

    expect($sql)->toContain('CREATE PROCEDURE `calculate_order_total`');
    expect($sql)->toContain('IN `order_id` INT');
    expect($sql)->toContain('IN `include_tax` BOOLEAN');
    expect($sql)->toContain('DECLARE total DECIMAL(10,2)');
    expect($sql)->toContain('DELIMITER');
});

test('generates PostgreSQL stored procedure SQL', function () {
    $procedure = StoredProcedureDefinition::create('get_active_users')
        ->withParameter('min_login_count', 'INT')
        ->withBody('
            RETURN QUERY
            SELECT * FROM users
            WHERE active = true AND login_count >= min_login_count
            ORDER BY last_login DESC;
        ')
        ->returnsType('SETOF users');

    $sql = $procedure->toSql('pgsql');

    expect($sql)->toContain('CREATE OR REPLACE FUNCTION get_active_users');
    expect($sql)->toContain('min_login_count INT');
    expect($sql)->toContain('RETURNS SETOF users');
    expect($sql)->toContain('LANGUAGE plpgsql');
});

test('generates SQLite stored procedure SQL as user-defined function', function () {
    $procedure = StoredProcedureDefinition::create('calculate_age')
        ->withParameter('birth_date', 'TEXT')
        ->withBody('
            RETURN (julianday("now") - julianday(birth_date)) / 365.25;
        ')
        ->returnsType('REAL');

    $sql = $procedure->toSql('sqlite');

    expect($sql)->toContain('CREATE FUNCTION calculate_age');
    expect($sql)->toContain('(birth_date TEXT)');
    expect($sql)->toContain('RETURNS REAL');
});

test('throws exception for unsupported database driver', function () {
    $procedure = StoredProcedureDefinition::create('test_procedure')
        ->withBody('SELECT 1')
        ->returnsType('INT');

    expect(fn () => $procedure->toSql('unsupported_driver'))
        ->toThrow(\InvalidArgumentException::class, 'Unsupported database driver: unsupported_driver');
});

test('validates procedure name', function () {
    expect(fn () => StoredProcedureDefinition::create(''))
        ->toThrow(\InvalidArgumentException::class, 'Procedure name cannot be empty');

    expect(fn () => StoredProcedureDefinition::create('invalid-name'))
        ->toThrow(\InvalidArgumentException::class, 'Invalid procedure name: invalid-name');
});

test('validates parameter name', function () {
    $procedure = StoredProcedureDefinition::create('test_procedure');

    expect(fn () => $procedure->withParameter('', 'INT'))
        ->toThrow(\InvalidArgumentException::class, 'Parameter name cannot be empty');

    expect(fn () => $procedure->withParameter('invalid-name', 'INT'))
        ->toThrow(\InvalidArgumentException::class, 'Invalid parameter name: invalid-name');
});

test('validates body is not empty before generating SQL', function () {
    $procedure = StoredProcedureDefinition::create('test_procedure');

    expect(fn () => $procedure->toSql('mysql'))
        ->toThrow(\InvalidArgumentException::class, 'Procedure body cannot be empty');
});