prism-tui PoC

tui/src/main.cpp

@@ -0,0 +1,89 @@
+#include "cli.h"
+#include "system_audio_capture.h"
+#include "tui_runtime.h"
+
+#include <exception>
+#include <iostream>
+#include <memory>
+#include <string>
+#include <vector>
+
+#ifndef PRISM_VERSION
+#define PRISM_VERSION "development"
+#endif
+
+namespace {
+
+int run(const std::vector<std::string>& arguments) {
+    const auto parsed = Prism::Tui::parseArguments(arguments);
+    if (!parsed.ok) {
+        std::cerr << "prism-tui: " << parsed.error << "\n\n" << Prism::Tui::usageText();
+        return 2;
+    }
+    if (parsed.options.command == Prism::Tui::Command::Help) {
+        std::cout << Prism::Tui::usageText();
+        return 0;
+    }
+    if (parsed.options.command == Prism::Tui::Command::Version) {
+        std::cout << "prism-tui " << PRISM_VERSION << '\n';
+        return 0;
+    }
+
+    auto capture = Prism::Capture::createSystemAudioCapture();
+    const auto support = capture->getSupport();
+    if (!support.available) {
+        std::cerr << "prism-tui: " << support.reason << '\n';
+        return 1;
+    }
+
+    if (parsed.options.command == Prism::Tui::Command::ListDevices) {
+        const auto devices = capture->listOutputDevices();
+        if (devices.empty()) {
+            std::cerr << "prism-tui: no system output devices found.\n";
+            return 1;
+        }
+        for (const auto& device : devices) {
+            std::cout << device.id << '\t' << device.label;
+            if (device.isDefault) {
+                std::cout << "\t(default)";
+            }
+            std::cout << '\t' << static_cast<int>(device.sampleRate) << " Hz"
+                      << '\t' << device.channelCount << " ch\n";
+        }
+        return 0;
+    }
+
+    if (!Prism::Tui::stdinAndStdoutAreTerminals()) {
+        std::cerr << "prism-tui: interactive mode requires a terminal on stdin and stdout.\n";
+        return 1;
+    }
+
+    Prism::Capture::StartResult started;
+    std::string errorMessage;
+    if (!capture->start(parsed.options.deviceId, &started, &errorMessage)) {
+        std::cerr << "prism-tui: "
+                  << (errorMessage.empty() ? "System audio capture failed to start." : errorMessage)
+                  << '\n';
+        return 1;
+    }
+
+    return Prism::Tui::runInteractive(std::move(capture), started);
+}
+
+}  // namespace
+
+int main(int argc, char** argv) {
+    try {
+        std::vector<std::string> arguments;
+        for (int index = 1; index < argc; ++index) {
+            arguments.emplace_back(argv[index]);
+        }
+        return run(arguments);
+    } catch (const std::exception& error) {
+        std::cerr << "prism-tui: " << error.what() << '\n';
+        return 1;
+    } catch (...) {
+        std::cerr << "prism-tui: unexpected runtime failure.\n";
+        return 1;
+    }
+}