#include <iostream>

#include <JsonSchema.h>
#include <JsonErrors.h>
#include <JsonDefs.h>

namespace jsvor = JsonSchemaValidator;

void Print(std::string const &context, std::string const &value,
           jsvor::ValidationResult const &result);

int main(int /*argc*/, char * /*argv*/[]) {
	using namespace jsvor;

	// JsonSchema can be created from text of json-document (exception 'IncorrectJson' will be
	// thrown on error of parsing this text) or from already parsed json-document (in this case
	// lifetime of json-document must be longer than lifetime of 'JsonSchema').
	// Exception 'IncorrectSchema' will be thrown if some part of document has not satisfied
	// to restrictions on JsonSchema.
	JsonSchema schema(R"({"properties": {"data": {
                             "type": "integer", "minimum": 10, "maximum": 100, "divisibleBy": 2}
                         } })");

	for (auto const &value : { R"({"data": 0})", R"({"data": 20})",
	                           R"({"data": 21})", R"({"data": 101})" }) {
		// To validate json-document, you can call the method 'Validate' and then handle outgoing
		// parameter 'result'. From this parameter, you can get overall result of validation,
		// error code and detailed error description.
		ValidationResult result;
		schema.Validate(value, result);
		Print("Validate(1)", value, result);

		// Also you can use version of method 'Validate' with exception. On error this method
		// throws exception 'IncorrectDocument' from which you can get validation error.
		try {
			schema.Validate(value);
		}
		catch (IncorrectDocument const &error) {
			Print("Validate(2)", value, error.GetResult());
		}
	}
}

void Print(std::string const &context, std::string const &value,
           jsvor::ValidationResult const &result) {
	auto errorDescription = (result ? "None." : result.ErrorDescription());
	std::cout << std::boolalpha << context << " <" << value << ">:("
		<< static_cast<bool>(result) << ") " << errorDescription << std::noboolalpha << std::endl;
}