#include <fstream>
#include <iostream>
#include <optional>
#include <sstream>
#include <string>

#include <cray.hpp>

struct Step {
	std::string name;
	std::string run;
};

struct Job {
	std::vector<std::string> runs_on;
	std::vector<Step>        steps;
};

int main(int argc, char*[] argv) {
	using namespace cray;
	
	Node doc(load::fromYaml("workflow.yaml"));

	auto const name = doc["name"].as<std::string>(Annotation{
	    .title       = "Name",
	    .description = "The name of your workflow.",
	});

	auto const run_name = doc["run-name"].as<std::optional<std::string>>(Annotation{
	    .title       = "Run Name",
	    .description = "The name for workflow runs generated from the workflow.",
	});

	auto events = prop<Type::Str>().oneOf({
	    "push",
	    "pull_request",
	    "workflow_dispatch",
	});

	auto const on = doc["on"].is<Type::List>().of(events).get();

	auto step =
	    prop<Type::Map>().to<Step>()
	    | field("name", &Step::name)
	    | field("run", &Step::run);

	auto job =
	    prop<Type::Map>().to<Job>()
	    | field("runs-on", &Job::runs_on)
	    | field("steps", &Job::steps, step);

	auto const jobs = doc["jobs"].is<Type::Map>().of(job).get();

	std::ofstream out("workflow.yaml");
	report::asYaml(out, doc);
	
	std::ofstream out("workflow.schema.json");
	report::asJsonSchema(out, doc);

	if(!doc.ok()){
		// There is a field that does not satisfy the condition or has the wrong type.
		return -1;
	}

	// name == "Test"
	// jobs["test"].steps[0].run == "build && test"
	// ...
}