#include "guiextensions.hpp"

#include <components/compiler/extensions.hpp>

#include <components/interpreter/interpreter.hpp>
#include <components/interpreter/runtime.hpp>
#include <components/interpreter/opcodes.hpp>

#include "../mwgui/window_manager.hpp"
#include "../mwinput/inputmanager.hpp"

#include "interpretercontext.hpp"

namespace MWScript
{
    namespace Gui
    {
        class OpEnableWindow : public Interpreter::Opcode0
        {
                MWGui::GuiWindow mWindow;

            public:

                OpEnableWindow (MWGui::GuiWindow window) : mWindow (window) {}

                virtual void execute (Interpreter::Runtime& runtime)
                {
                    InterpreterContext& context =
                        static_cast<InterpreterContext&> (runtime.getContext());

                    context.getWindowManager().allow (mWindow);
                }
        };

        class OpShowDialogue : public Interpreter::Opcode0
        {
                MWGui::GuiMode mDialogue;

            public:

                OpShowDialogue (MWGui::GuiMode dialogue)
                : mDialogue (dialogue)
                {}

                virtual void execute (Interpreter::Runtime& runtime)
                {
                    InterpreterContext& context =
                        static_cast<InterpreterContext&> (runtime.getContext());

                    context.getInputManager().setGuiMode(mDialogue);
                }
        };

        class OpGetButtonPressed : public Interpreter::Opcode0
        {
            public:

                virtual void execute (Interpreter::Runtime& runtime)
                {
                    InterpreterContext& context =
                        static_cast<InterpreterContext&> (runtime.getContext());

                    MWWorld::Ptr ptr = context.getReference();

                    runtime.push (context.getWindowManager().readPressedButton());
                }
        };

        const int opcodeEnableBirthMenu = 0x200000e;
        const int opcodeEnableClassMenu = 0x200000f;
        const int opcodeEnableNameMenu = 0x2000010;
        const int opcodeEnableRaceMenu = 0x2000011;
        const int opcodeEnableStatsReviewMenu = 0x2000012;
        const int opcodeEnableInventoryMenu = 0x2000013;
        const int opcodeEnableMagicMenu = 0x2000014;
        const int opcodeEnableMapMenu = 0x2000015;
        const int opcodeEnableStatsMenu = 0x2000016;
        const int opcodeEnableRest = 0x2000017;
        const int opcodeShowRestMenu = 0x2000018;
        const int opcodeGetButtonPressed = 0x2000137;

        void registerExtensions (Compiler::Extensions& extensions)
        {
            extensions.registerInstruction ("enablebirthmenu", "", opcodeEnableBirthMenu);
            extensions.registerInstruction ("enableclassmenu", "", opcodeEnableClassMenu);
            extensions.registerInstruction ("enablenamemenu", "", opcodeEnableNameMenu);
            extensions.registerInstruction ("enableracemenu", "", opcodeEnableRaceMenu);
            extensions.registerInstruction ("enablestatsreviewmenu", "",
                opcodeEnableStatsReviewMenu);

            extensions.registerInstruction ("enableinventorymenu", "", opcodeEnableInventoryMenu);
            extensions.registerInstruction ("enablemagicmenu", "", opcodeEnableMagicMenu);
            extensions.registerInstruction ("enablemapmenu", "", opcodeEnableMapMenu);
            extensions.registerInstruction ("enablestatsmenu", "", opcodeEnableStatsMenu);

            extensions.registerInstruction ("enablerestmenu", "", opcodeEnableRest);
            extensions.registerInstruction ("enablelevelupmenu", "", opcodeEnableRest);

            extensions.registerInstruction ("showrestmenu", "", opcodeShowRestMenu);

            extensions.registerFunction ("getbuttonpressed", 'l', "", opcodeGetButtonPressed);
        }

        void installOpcodes (Interpreter::Interpreter& interpreter)
        {
            interpreter.installSegment5 (opcodeEnableBirthMenu,
                new OpShowDialogue (MWGui::GM_Birth));
            interpreter.installSegment5 (opcodeEnableClassMenu,
                new OpShowDialogue (MWGui::GM_Class));
            interpreter.installSegment5 (opcodeEnableNameMenu,
                new OpShowDialogue (MWGui::GM_Name));
            interpreter.installSegment5 (opcodeEnableRaceMenu,
                new OpShowDialogue (MWGui::GM_Race));
            interpreter.installSegment5 (opcodeEnableStatsReviewMenu,
                new OpShowDialogue (MWGui::GM_Review));

            interpreter.installSegment5 (opcodeEnableInventoryMenu,
                new OpEnableWindow (MWGui::GW_Inventory));
            interpreter.installSegment5 (opcodeEnableMagicMenu,
                new OpEnableWindow (MWGui::GW_Magic));
            interpreter.installSegment5 (opcodeEnableMapMenu,
                new OpEnableWindow (MWGui::GW_Map));
            interpreter.installSegment5 (opcodeEnableStatsMenu,
                new OpEnableWindow (MWGui::GW_Stats));

            /* Not done yet. Enabling rest mode is not really a gui
               issue, it's a gameplay issue.

            interpreter.installSegment5 (opcodeEnableRest,
                new OpEnableDialogue (MWGui::GM_Rest));
            */

            interpreter.installSegment5 (opcodeShowRestMenu,
                new OpShowDialogue (MWGui::GM_Rest));

            interpreter.installSegment5 (opcodeGetButtonPressed, new OpGetButtonPressed);
        }
    }
}