From 97b5778172572504c8dfbe173b18281e786270c0 Mon Sep 17 00:00:00 2001
From: Sebastiano Tronto <sebastiano@tronto.net>
Date: Fri, 25 Apr 2025 16:18:26 +0200
Subject: Initial commit

---
 qt-widgets/adapter.cpp | 46 ++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 46 insertions(+)
 create mode 100644 qt-widgets/adapter.cpp

(limited to 'qt-widgets/adapter.cpp')

diff --git a/qt-widgets/adapter.cpp b/qt-widgets/adapter.cpp
new file mode 100644
index 0000000..c15181c
--- /dev/null
+++ b/qt-widgets/adapter.cpp
@@ -0,0 +1,46 @@
+#include "adapter.h"
+
+#include <array>
+#include <filesystem>
+#include <fstream>
+#include <sstream>
+#include <QDebug>
+
+NissyAdapter::NissyAdapter()
+{
+	auto sid = nissy::solverinfo(defaultOptimalSolver);
+	auto [sz, dataid] = std::get<std::pair<size_t, std::string>>(sid);
+	const std::string path = "../nissy-core/tables/" + dataid;
+
+	std::filesystem::path filePath(path);
+	if (std::filesystem::file_size(filePath) != static_cast<uintmax_t>(sz))
+		qDebug("Error in file size!"); // TODO: better handle error, gentable
+
+	optimalSolverData.value.resize(sz);
+	std::ifstream ifs(path, std::ios::binary);
+	ifs.read(reinterpret_cast<char *>(optimalSolverData.value.data()), sz);
+	ifs.close();
+}
+
+NissyAdapter::~NissyAdapter() {}
+
+void NissyAdapter::solve(SolverConfiguration cfg)
+{
+	auto se = nissy::solve(cfg.cube, defaultOptimalSolver,
+	    nissy::nissflag::NORMAL, cfg.minmoves, cfg.maxmoves,
+	    cfg.maxsolutions, cfg.optimal, cfg.threads, optimalSolverData);
+	if (std::holds_alternative<nissy::error_t>(se)) {
+		auto code = std::get<nissy::error_t>(se).value;
+		emit solveDone(QString("Error " + code));
+		return;
+	} 
+
+	auto [sols, stats] = std::get<nissy::solve_result_t>(se);
+	if (sols.size() == 0) {
+		emit solveDone(QString("No solution found"));
+	} else {
+		auto solstr = std::accumulate(
+		    sols.begin(), sols.end(), std::string{});
+		emit solveDone(QString::fromStdString(solstr));
+	}
+}
-- 
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