Add file logger and fix log level output

src/PtouchPrint.cpp

@@ -16,14 +16,25 @@
     along with this program.  If not, see <https://www.gnu.org/licenses/>.
 
  */
+#define SPDLOG_ACTIVE_LEVEL SPDLOG_LEVEL_TRACE
+#define SPDLOG_DEBUG_ON
+#define SPDLOG_TRACE_ON
 
 #include "PtouchPrint.hpp"
 
 #include <CLI/App.hpp>
+#include <fmt/core.h>
 #include <spdlog/common.h>
+#include <spdlog/details/synchronous_factory.h>
+#include <spdlog/logger.h>
+#include <spdlog/sinks/base_sink.h>
+#include <spdlog/sinks/basic_file_sink.h>
+#include <spdlog/sinks/stdout_color_sinks.h>
 #include <spdlog/spdlog.h>
 
 #include <functional>
+#include <memory>
+#include <vector>
 
 #include "CLI/Option.hpp"
 #include "P700Printer.hpp"
@@ -45,9 +56,9 @@ int PtouchPrint::init(int argc, char** argv) {
     }
 
     if (mVerboseFlag) {
-        setupLogger(spdlog::level::trace);
+        setupLogger(spdlog::level::debug);
     } else {
-        setupLogger(spdlog::level::critical);
+        setupLogger(spdlog::level::err);
     }
 
     if (!mUsbDeviceFactory.init()) {
@@ -59,10 +70,12 @@ int PtouchPrint::init(int argc, char** argv) {
 }
 
 int PtouchPrint::run() {
+    spdlog::debug("ptprnt version {}", mVersionString);
+    SPDLOG_TRACE("testing trace");
     auto numFoundPrinters = getCompatiblePrinters();
     if (numFoundPrinters == 0) {
         spdlog::error(
-            "No compatible printers found, please make sure if they are turned on and connected");
+            "No compatible printers found, please make sure that they are turned on and connected");
         return -1;
     } else if (numFoundPrinters > 1) {
         spdlog::warn("Found more than one compatible printer. Currently not supported.");
@@ -84,7 +97,7 @@ int PtouchPrint::run() {
     //printer->printText("wurst", 1);
 
     for (auto& cmd : mCommands) {
-        std::cout << cmd.second << std::endl;
+        spdlog::debug("Command: {}", cmd.second);
     }
 
     return 0;
@@ -113,13 +126,22 @@ unsigned int PtouchPrint::getCompatiblePrinters() {
 }
 
 void PtouchPrint::setupLogger(spdlog::level::level_enum lvl) {
-    spdlog::set_level(lvl);
+    auto consoleSink = std::make_shared<spdlog::sinks::stdout_color_sink_mt>();
-    spdlog::debug("Starting ptprnt {}", mVersionString);
+    consoleSink->set_level(lvl);
+    consoleSink->set_pattern("%^%L:%$ %v");
+
+    auto fileSink = std::make_shared<spdlog::sinks::basic_file_sink_mt>("ptprnt.log", true);
+    fileSink->set_level(spdlog::level::trace);
+    fileSink->set_pattern("%Y-%m-%d %H:%m:%S:%e [pid:%P tid:%t] [%^%l%$] %v (%@)");
+    std::vector<spdlog::sink_ptr> sinks{consoleSink, fileSink};
+    auto logger = std::make_shared<spdlog::logger>("default_logger", sinks.begin(), sinks.end());
+    logger->set_level(spdlog::level::trace);
+    spdlog::set_default_logger(logger);
 }
 
 void PtouchPrint::setupCliParser() {
     auto printVersion = [this](std::size_t) {
-        std::cout << "ptprnt version: " << mVersionString << std::endl;
+        fmt::println("ptprnt version: {}", mVersionString);
     };
 
     // General options