import 'package:swagger_generator_flutter/validators/core/validation_context.dart';
import 'package:swagger_generator_flutter/validators/core/validation_result.dart';
import 'package:swagger_generator_flutter/validators/core/validation_rule.dart';

/// API 基本信息验证规则
class InfoValidationRule extends ValidationRule {
  @override
  String get id => 'info_validation';

  @override
  String get name => 'API 基本信息验证';

  @override
  ValidationResult validate(ValidationContext context) {
    final document = context.document;
    final errors = <ValidationError>[];
    final warnings = <ValidationWarning>[];

    if (document.title.isEmpty) {
      errors.add(
        const ValidationError(
          path: 'info.title',
          message: 'API 标题不能为空',
          type: ValidationErrorType.required,
          suggestion: '请提供有意义的 API 标题',
        ),
      );
    }

    if (document.version.isEmpty) {
      errors.add(
        const ValidationError(
          path: 'info.version',
          message: 'API 版本不能为空',
          type: ValidationErrorType.required,
          suggestion: '请使用语义化版本号，如 "1.0.0"',
        ),
      );
    }

    if (document.description.isEmpty) {
      warnings.add(
        const ValidationWarning(
          path: 'info.description',
          message: 'API 描述为空',
          suggestion: '建议添加 API 的详细描述',
        ),
      );
    }

    return ValidationResult(
      isValid: errors.isEmpty,
      errors: errors,
      warnings: warnings,
    );
  }
}