import 'package:jinja/jinja.dart' as jj;
import 'package:apidash/utils/utils.dart' show requestModelToHARJsonRequest;
import 'package:apidash/models/models.dart' show RequestModel;

// ignore: camel_case_types
class cURLCodeGen {
  String kTemplateStart = """curl{{method}} --url '{{url}}'
""";

  String kTemplateHeader = """ \\
  --header '{{name}}: {{value}}'
""";

  String kTemplateBody = """ \\
  --data '{{body}}'
""";

  String? getCode(
    RequestModel requestModel,
    String defaultUriScheme,
  ) {
    try {
      String result = "";

      String url = requestModel.url;
      if (!url.contains("://") && url.isNotEmpty) {
        url = "$defaultUriScheme://$url";
      }
      var rM = requestModel.copyWith(url: url);

      var harJson = requestModelToHARJsonRequest(rM);

      var templateStart = jj.Template(kTemplateStart);
      result += templateStart.render({
        "method": switch (harJson["method"]) {
          "GET" => "",
          "HEAD" => " --head",
          _ => " --request ${harJson["method"]} \\\n"
        },
        "url": harJson["url"],
      });

      var headers = harJson["headers"];
      if (headers.isNotEmpty) {
        for (var item in headers) {
          var templateHeader = jj.Template(kTemplateHeader);
          result += templateHeader
              .render({"name": item["name"], "value": item["value"]});
        }
      }

      if (harJson["postData"]?["text"] != null) {
        var templateBody = jj.Template(kTemplateBody);
        result += templateBody.render({"body": harJson["postData"]["text"]});
      }
      return result;
    } catch (e) {
      return null;
    }
  }
}