name: "Tutorial: Building a C++ UI Module (Process-Isolated)"
tutorial: tutorial-cpp-ui-app.md

scaffold:
  template: "github:logos-co/logos-module-builder#ui-qml-backend"

files:
  - path: metadata.json
    content: |
      {
        "name": "calc_ui_cpp",
        "version": "1.0.0",
        "type": "ui_qml",
        "category": "tools",
        "description": "Calculator C++ UI — QML view with process-isolated backend for calc_module",
        "main": "calc_ui_cpp_plugin",
        "view": "qml/Main.qml",
        "icon": "icons/calc.png",
        "dependencies": ["calc_module"],

        "nix": {
          "packages": {
            "build": [],
            "runtime": []
          },
          "external_libraries": [],
          "cmake": {
            "find_packages": [],
            "extra_sources": [],
            "extra_include_dirs": [],
            "extra_link_libraries": []
          }
        }
      }

  - path: src/calc_ui_cpp.rep
    content: |
      class CalcUiCpp
      {
          PROP(QString status READWRITE)

          SLOT(int add(int a, int b))
          SLOT(int multiply(int a, int b))
          SLOT(int factorial(int n))
          SLOT(int fibonacci(int n))
          SLOT(QString libVersion())
      }

  - path: src/calc_ui_cpp_interface.h
    content: |
      #ifndef CALC_UI_CPP_INTERFACE_H
      #define CALC_UI_CPP_INTERFACE_H

      #include <QObject>
      #include <QString>
      #include "interface.h"

      class CalcUiCppInterface : public PluginInterface
      {
      public:
          virtual ~CalcUiCppInterface() = default;
      };

      #define CalcUiCppInterface_iid "org.logos.CalcUiCppInterface"
      Q_DECLARE_INTERFACE(CalcUiCppInterface, CalcUiCppInterface_iid)

      #endif // CALC_UI_CPP_INTERFACE_H

  - path: src/calc_ui_cpp_plugin.h
    content: |
      #ifndef CALC_UI_CPP_PLUGIN_H
      #define CALC_UI_CPP_PLUGIN_H

      #include <QString>
      #include <QVariantList>
      #include "calc_ui_cpp_interface.h"
      #include "LogosViewPluginBase.h"
      #include "rep_calc_ui_cpp_source.h"

      class LogosAPI;
      class LogosModules;

      class CalcUiCppPlugin : public CalcUiCppSimpleSource,
                              public CalcUiCppInterface,
                              public CalcUiCppViewPluginBase
      {
          Q_OBJECT
          Q_PLUGIN_METADATA(IID CalcUiCppInterface_iid FILE "metadata.json")
          Q_INTERFACES(CalcUiCppInterface)

      public:
          explicit CalcUiCppPlugin(QObject* parent = nullptr);
          ~CalcUiCppPlugin() override;

          QString name()    const override { return "calc_ui_cpp"; }
          QString version() const override { return "1.0.0"; }

          Q_INVOKABLE void initLogos(LogosAPI* api);

          int add(int a, int b) override;
          int multiply(int a, int b) override;
          int factorial(int n) override;
          int fibonacci(int n) override;
          QString libVersion() override;

      signals:
          void eventResponse(const QString& eventName, const QVariantList& args);

      private:
          LogosAPI* m_logosAPI = nullptr;
          LogosModules* m_logos = nullptr;
      };

      #endif // CALC_UI_CPP_PLUGIN_H

  - path: src/calc_ui_cpp_plugin.cpp
    content: |
      #include "calc_ui_cpp_plugin.h"
      #include "logos_api.h"
      #include "logos_sdk.h"

      CalcUiCppPlugin::CalcUiCppPlugin(QObject* parent) : CalcUiCppSimpleSource(parent) {}
      CalcUiCppPlugin::~CalcUiCppPlugin() { delete m_logos; }

      void CalcUiCppPlugin::initLogos(LogosAPI* api)
      {
          if (m_logos) return;
          m_logosAPI = api;
          m_logos = new LogosModules(api);
          setBackend(this);
      }

      int CalcUiCppPlugin::add(int a, int b)
      {
          return m_logos->calc_module.add(a, b);
      }

      int CalcUiCppPlugin::multiply(int a, int b)
      {
          return m_logos->calc_module.multiply(a, b);
      }

      int CalcUiCppPlugin::factorial(int n)
      {
          return m_logos->calc_module.factorial(n);
      }

      int CalcUiCppPlugin::fibonacci(int n)
      {
          return m_logos->calc_module.fibonacci(n);
      }

      QString CalcUiCppPlugin::libVersion()
      {
          return m_logos->calc_module.libVersion();
      }

  - path: src/qml/Main.qml
    content: |
      import QtQuick
      import QtQuick.Controls
      import QtQuick.Layouts

      Item {
          id: root

          property string result: ""
          property string errorText: ""

          readonly property var backend: logos.module("calc_ui_cpp")
          readonly property string status: backend ? backend.status : ""

          function callCalc(method, args) {
              if (!backend) {
                  root.errorText = "Backend not available"
                  return
              }
              root.errorText = ""
              root.result = "..."
              logos.watch(backend[method].apply(backend, args),
                  function(value) { root.result = String(value) },
                  function(error) { root.errorText = String(error) }
              )
          }

          ColumnLayout {
              anchors.fill: parent
              anchors.margins: 24
              spacing: 16

              Text {
                  text: "Logos Calculator (C++ backend)"
                  font.pixelSize: 20
                  color: "#ffffff"
                  Layout.alignment: Qt.AlignHCenter
              }

              RowLayout {
                  spacing: 12
                  Layout.fillWidth: true

                  TextField {
                      id: inputA
                      placeholderText: "a"
                      Layout.preferredWidth: 80
                      validator: IntValidator {}
                  }

                  TextField {
                      id: inputB
                      placeholderText: "b"
                      Layout.preferredWidth: 80
                      validator: IntValidator {}
                  }

                  Button {
                      text: "Add"
                      onClicked: root.callCalc("add", [parseInt(inputA.text) || 0, parseInt(inputB.text) || 0])
                  }

                  Button {
                      text: "Multiply"
                      onClicked: root.callCalc("multiply", [parseInt(inputA.text) || 0, parseInt(inputB.text) || 0])
                  }
              }

              RowLayout {
                  spacing: 12
                  Layout.fillWidth: true

                  TextField {
                      id: inputN
                      placeholderText: "n"
                      Layout.preferredWidth: 80
                      validator: IntValidator { bottom: 0 }
                  }

                  Button {
                      text: "Factorial"
                      onClicked: root.callCalc("factorial", [parseInt(inputN.text) || 0])
                  }

                  Button {
                      text: "Fibonacci"
                      onClicked: root.callCalc("fibonacci", [parseInt(inputN.text) || 0])
                  }

                  Button {
                      text: "libcalc version"
                      onClicked: root.callCalc("libVersion", [])
                  }
              }

              Rectangle {
                  Layout.fillWidth: true
                  height: 56
                  color: root.errorText.length > 0 ? "#3d1a1a" : "#1a2d1a"
                  radius: 8

                  Text {
                      anchors.centerIn: parent
                      text: root.errorText.length > 0 ? root.errorText
                              : (root.result.length > 0 ? root.result : "Enter values and press a button")
                      color: root.errorText.length > 0 ? "#f85149" : "#56d364"
                      font.pixelSize: 15
                  }
              }

              Text {
                  text: "Backend status: " + root.status
                  color: "#8b949e"
                  font.pixelSize: 13
              }

              Item { Layout.fillHeight: true }
          }
      }

  - path: CMakeLists.txt
    content: |
      cmake_minimum_required(VERSION 3.14)
      project(CalcUiCppPlugin LANGUAGES CXX)

      if(DEFINED ENV{LOGOS_MODULE_BUILDER_ROOT})
          include($ENV{LOGOS_MODULE_BUILDER_ROOT}/cmake/LogosModule.cmake)
      else()
          message(FATAL_ERROR "LogosModule.cmake not found. Set LOGOS_MODULE_BUILDER_ROOT.")
      endif()

      logos_module(
          NAME calc_ui_cpp
          REP_FILE src/calc_ui_cpp.rep
          SOURCES
              src/calc_ui_cpp_interface.h
              src/calc_ui_cpp_plugin.h
              src/calc_ui_cpp_plugin.cpp
      )

  - path: flake.nix
    content: |
      {
        description = "Calculator C++ UI plugin for Logos - QML view with process-isolated backend for calc_module";

        inputs = {
          logos-module-builder.url = "github:logos-co/logos-module-builder";
          calc_module.url = "github:logos-co/logos-tutorial?dir=logos-calc-module";
        };

        outputs = inputs@{ logos-module-builder, calc_module, ... }:
          logos-module-builder.lib.mkLogosQmlModule {
            src = ./.;
            configFile = ./metadata.json;
            flakeInputs = inputs;
          };
      }

  - path: icons/calc.png
    encoding: base64
    content: "iVBORw0KGgoAAAANSUhEUgAAAEAAAABACAYAAACqaXHeAAAAmElEQVR4nO3QMREAIBDAsFeEN3ziCWRkoEP2XmedfX82OkBrgA7QGqADtAboAK0BOkBrgA7QGqADtAboAK0BOkBrgA7QGqADtAboAK0BOkBrgA7QGqADtAboAK0BOkBrgA7QGqADtAboAK0BOkBrgA7QGqADtAboAK0BOkBrgA7QGqADtAboAK0BOkBrgA7QGqADtAboAO0BN/SiO/PatoIAAAAASUVORK5CYII="

  - path: .gitignore
    content: |
      result
      result-*
      modules/

build:
  - name: "Initialize git repo"
    run: "git init && git add -A && nix flake update && git add flake.lock"

  - name: "Build C++ UI module"
    run: "nix build"

  - name: "Backend plugin exists"
    check_file: "result/lib/calc_ui_cpp_plugin.{ext}"

  - name: "Replica factory exists"
    check_file: "result/lib/calc_ui_cpp_replica_factory.{ext}"

  - name: "QML view in output"
    check_file: "result/lib/qml/Main.qml"

  - name: "metadata.json in output"
    check_file: "result/lib/metadata.json"

  - name: "Build LGX package"
    run: "nix build '.#lgx' --out-link result-lgx"

  - name: "LGX file produced"
    check_file: "result-lgx/*.lgx"

inspect:
  - name: "Output metadata has correct name"
    run: "cat result/lib/metadata.json"
    expect_contains:
      - "\"name\": \"calc_ui_cpp\""
      - "\"type\": \"ui_qml\""
      - "\"main\": \"calc_ui_cpp_plugin\""
      - "\"view\": \"qml/Main.qml\""

  - name: "Main.qml has expected content"
    run: "cat result/lib/qml/Main.qml"
    expect_contains:
      - "Logos Calculator (C++ backend)"
      - "logos.module"
      - "logos.watch"
      - "calc_ui_cpp"

basecamp:
  install_as: "ui"
  core_deps:
    - path: "../logos-calc-module"
      setup:
        - "cd lib && cc {shared_flags} -o libcalc.{ext} libcalc.c"
        - "git add ."

  tests:
    - name: "Navigate to sidebar calc_ui_cpp"
      action: click
      target: "calc_ui_cpp"
    - name: "UI title visible"
      action: wait_for
      texts: ["Logos Calculator (C++ backend)"]
      timeout: 15000
    - name: "Add button visible"
      action: wait_for
      texts: ["Add"]
      timeout: 5000
    - name: "Enter first number"
      action: set_text
      find_by: "placeholderText"
      find_value: "a"
      value: "3"
    - name: "Enter second number"
      action: set_text
      find_by: "placeholderText"
      find_value: "b"
      value: "5"
    - name: "Click Add"
      action: click
      target: "Add"
    - name: "Result shows 8"
      action: wait_for
      texts: ["8"]
      timeout: 10000