#include <fx/diagnostics/process.h>

int main(int argc, const char **argv)
{
	if (argc < 3) {
		return -1;
	}

	const char *exec = argv[1];
	const char *msg = argv[2];

	const fx_value arg_values[] = {
		FX_CSTR("hello"),
		FX_CSTR("world"),
	};
	fx_array *args = fx_array_create_with_values(
		arg_values,
		sizeof arg_values / sizeof arg_values[0]);

	fx_process *self = fx_process_get_self();
	const fx_hashtable *env = fx_process_get_environment(self);

	fx_process_start_info info = {
		.proc_args = args,
		.proc_redirect_stdout = true,
		.proc_redirect_stdin = true,
		.proc_file_name = exec,
		.proc_environment = env,
	};

	fx_process *process = fx_process_create(&info);
	if (!process) {
		fprintf(stderr, "Process creation failed\n");
		return -1;
	}

	fx_status status = fx_process_start(process);
	if (!FX_OK(status)) {
		fprintf(stderr,
		        "Process creation failed: %s\n",
		        fx_status_description(status));
		return -1;
	}

	printf("process stdin: %s\n", msg);

	fx_stream *in = fx_process_get_stdin(process);
	fx_stream_write_cstr(in, msg, NULL);
	fx_stream_write_char(in, '\n');
	fx_process_close_stdin(process);

	fx_stream *out = fx_process_get_stdout(process);
	printf("process stdout:\n");
	printf("---------------------\n");

	while (FX_OK(fx_stream_read_line_s(out, fx_stdout))) { }

	printf("---------------------\n");

	int result;
	fx_process_wait(process, &result);
	fx_process_unref(process);

	return 0;
}