/*
  ==============================================================================

   This file is part of the JUCE framework.
   Copyright (c) Raw Material Software Limited

   JUCE is an open source framework subject to commercial or open source
   licensing.

   By downloading, installing, or using the JUCE framework, or combining the
   JUCE framework with any other source code, object code, content or any other
   copyrightable work, you agree to the terms of the JUCE End User Licence
   Agreement, and all incorporated terms including the JUCE Privacy Policy and
   the JUCE Website Terms of Service, as applicable, which will bind you. If you
   do not agree to the terms of these agreements, we will not license the JUCE
   framework to you, and you must discontinue the installation or download
   process and cease use of the JUCE framework.

   JUCE End User Licence Agreement: https://juce.com/legal/juce-8-licence/
   JUCE Privacy Policy: https://juce.com/juce-privacy-policy
   JUCE Website Terms of Service: https://juce.com/juce-website-terms-of-service/

   Or:

   You may also use this code under the terms of the AGPLv3:
   https://www.gnu.org/licenses/agpl-3.0.en.html

   THE JUCE FRAMEWORK IS PROVIDED "AS IS" WITHOUT ANY WARRANTY, AND ALL
   WARRANTIES, WHETHER EXPRESSED OR IMPLIED, INCLUDING WARRANTY OF
   MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, ARE DISCLAIMED.

  ==============================================================================
*/

#pragma once


//==============================================================================
class ExporterItem final : public ProjectTreeItemBase,
                           private Value::Listener
{
public:
    ExporterItem (Project& p, ProjectExporter* e, int index)
        : project (p), exporter (e), configListTree (exporter->getConfigurations()),
          exporterIndex (index)
    {
        exporter->initialiseDependencyPathValues();
        configListTree.addListener (this);
        targetLocationValue.referTo (exporter->getTargetLocationValue());
        targetLocationValue.addListener (this);
    }

    int getItemHeight() const override        { return 25; }
    bool canBeSelected() const override       { return true; }
    bool mightContainSubItems() override      { return exporter->getNumConfigurations() > 0; }
    String getUniqueName() const override     { return "exporter_" + String (exporterIndex); }
    String getRenamingName() const override   { return getDisplayName(); }
    String getDisplayName() const override    { return exporter->getUniqueName(); }
    void setName (const String&) override     {}
    bool isMissing() const override           { return false; }
    String getTooltip() override              { return getDisplayName(); }

    static Icon getIconForExporter (ProjectExporter* e)
    {
        if (e != nullptr)
        {
            if         (e->isXcode())        return Icon (getIcons().xcode,        Colours::transparentBlack);
            else if    (e->isVisualStudio()) return Icon (getIcons().visualStudio, Colours::transparentBlack);
            else if    (e->isAndroid())      return Icon (getIcons().android,      Colours::transparentBlack);
            else if    (e->isMakefile())     return Icon (getIcons().linux,        Colours::transparentBlack);
        }

        return Icon();
    }

    Icon getIcon() const override
    {
        return getIconForExporter (exporter.get()).withColour (getContentColour (true));
    }

    void showDocument() override
    {
        showSettingsPage (new SettingsComp (*exporter));
    }

    void deleteItem() override
    {
        auto options = MessageBoxOptions::makeOptionsOkCancel (MessageBoxIconType::WarningIcon,
                                                               "Delete Exporter",
                                                               "Are you sure you want to delete this export target?");
        messageBox = AlertWindow::showScopedAsync (options, [safeThis = WeakReference { this }] (int result)
        {
            if (safeThis == nullptr || result == 0)
                return;

            safeThis->closeSettingsPage();

            auto parent = safeThis->exporter->settings.getParent();
            parent.removeChild (safeThis->exporter->settings,
                                safeThis->project.getUndoManagerFor (parent));
        });
    }

    void addSubItems() override
    {
        for (ProjectExporter::ConfigIterator config (*exporter); config.next();)
            addSubItem (new ConfigItem (config.config, *exporter));
    }

    void showPopupMenu (Point<int> p) override
    {
        PopupMenu menu;
        menu.addItem (1, "Add a new configuration", exporter->supportsUserDefinedConfigurations());
        menu.addItem (2, "Save this exporter");
        menu.addSeparator();
        menu.addItem (3, "Delete this exporter");

        launchPopupMenu (menu, p);
    }

    void showAddMenu (Point<int> p) override
    {
        PopupMenu menu;
        menu.addItem (1, "Add a new configuration", exporter->supportsUserDefinedConfigurations());

        launchPopupMenu (menu, p);
    }

    void handlePopupMenuResult (int resultCode) override
    {
        if (resultCode == 1)
            exporter->addNewConfiguration (false);
        else if (resultCode == 2)
            project.saveProject (Async::yes, exporter.get(), nullptr);
        else if (resultCode == 3)
            deleteAllSelectedItems();
    }

    var getDragSourceDescription() override
    {
        return getParentItem()->getUniqueName() + "/" + String (exporterIndex);
    }

    bool isInterestedInDragSource (const DragAndDropTarget::SourceDetails& dragSourceDetails) override
    {
        return dragSourceDetails.description.toString().startsWith (getUniqueName());
    }

    void itemDropped (const DragAndDropTarget::SourceDetails& dragSourceDetails, int insertIndex) override
    {
        auto oldIndex = indexOfConfig (dragSourceDetails.description.toString().fromLastOccurrenceOf ("||", false, false));

        if (oldIndex >= 0)
            configListTree.moveChild (oldIndex, insertIndex, project.getUndoManagerFor (configListTree));
    }

    int indexOfConfig (const String& configName)
    {
        int i = 0;
        for (ProjectExporter::ConfigIterator config (*exporter); config.next(); ++i)
            if (config->getName() == configName)
                return i;

        return -1;
    }

    //==============================================================================
    void valueTreeChildAdded (ValueTree& parentTree, ValueTree&) override         { refreshIfNeeded (parentTree); }
    void valueTreeChildRemoved (ValueTree& parentTree, ValueTree&, int) override  { refreshIfNeeded (parentTree); }
    void valueTreeChildOrderChanged (ValueTree& parentTree, int, int) override    { refreshIfNeeded (parentTree); }

    void refreshIfNeeded (ValueTree& changedTree)
    {
        if (changedTree == configListTree)
            refreshSubItems();
    }

private:
    Project& project;
    std::unique_ptr<ProjectExporter> exporter;
    ValueTree configListTree;
    int exporterIndex;

    Value targetLocationValue;

    ScopedMessageBox messageBox;

    void valueChanged (Value& value) override
    {
        if (value == exporter->getTargetLocationValue())
            refreshSubItems();
    }

    //==============================================================================
    struct SettingsComp final : public Component
    {
        SettingsComp (ProjectExporter& exp)
            : group (exp.getUniqueName(),
                     ExporterItem::getIconForExporter (&exp),
                     exp.getDescription())
        {
            addAndMakeVisible (group);

            PropertyListBuilder props;
            exp.createPropertyEditors (props);
            group.setProperties (props);
            parentSizeChanged();
        }

        void parentSizeChanged() override   { updateSize (*this, group); }
        void resized() override             { group.setBounds (getLocalBounds().withTrimmedLeft (12)); }

        PropertyGroupComponent group;

        JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (SettingsComp)
    };

    JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (ExporterItem)
    JUCE_DECLARE_WEAK_REFERENCEABLE (ExporterItem)
};


//==============================================================================
class ConfigItem final : public ProjectTreeItemBase
{
public:
    ConfigItem (const ProjectExporter::BuildConfiguration::Ptr& conf, ProjectExporter& e)
        : config (conf), exporter (e), configTree (config->config)
    {
        jassert (config != nullptr);
        configTree.addListener (this);
    }

    bool isMissing() const override                 { return false; }
    bool canBeSelected() const override             { return true; }
    bool mightContainSubItems() override            { return false; }
    String getUniqueName() const override           { return "config_" + config->getName(); }
    String getRenamingName() const override         { return getDisplayName(); }
    String getDisplayName() const override          { return config->getName(); }
    void setName (const String&) override           {}
    Icon getIcon() const override                   { return Icon (getIcons().config, getContentColour (true)); }
    void itemOpennessChanged (bool) override        {}

    void showDocument() override
    {
        showSettingsPage (new SettingsComp (*config));
    }

    void deleteItem() override
    {
        auto options = MessageBoxOptions::makeOptionsOkCancel (MessageBoxIconType::WarningIcon,
                                                               "Delete Configuration",
                                                               "Are you sure you want to delete this configuration?");
        messageBox = AlertWindow::showScopedAsync (options, [parent = WeakReference { this }] (int result)
        {
            if (parent == nullptr)
                return;

            if (result == 0)
                return;

            parent->closeSettingsPage();
            parent->config->removeFromExporter();
        });
    }

    void showPopupMenu (Point<int> p) override
    {
        bool enabled = exporter.supportsUserDefinedConfigurations();

        PopupMenu menu;
        menu.addItem (1, "Create a copy of this configuration", enabled);
        menu.addSeparator();
        menu.addItem (2, "Delete this configuration", enabled);

        launchPopupMenu (menu, p);
    }

    void handlePopupMenuResult (int resultCode) override
    {
        if (resultCode == 1)
            exporter.addNewConfigurationFromExisting (*config);
        else if (resultCode == 2)
            deleteAllSelectedItems();
    }

    var getDragSourceDescription() override
    {
        return getParentItem()->getUniqueName() + "||" + config->getName();
    }

    void valueTreePropertyChanged (ValueTree&, const Identifier&) override  { repaintItem(); }

private:
    ProjectExporter::BuildConfiguration::Ptr config;
    ProjectExporter& exporter;
    ValueTree configTree;
    ScopedMessageBox messageBox;

    //==============================================================================
    class SettingsComp final : public Component
    {
    public:
        SettingsComp (ProjectExporter::BuildConfiguration& conf)
            : group (conf.exporter.getUniqueName() + " - " + conf.getName(), Icon (getIcons().config, Colours::transparentBlack))
        {
            addAndMakeVisible (group);

            PropertyListBuilder props;
            conf.createPropertyEditors (props);
            group.setProperties (props);
            parentSizeChanged();
        }

        void parentSizeChanged() override  { updateSize (*this, group); }

        void resized() override { group.setBounds (getLocalBounds().withTrimmedLeft (12)); }

    private:
        PropertyGroupComponent group;

        JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (SettingsComp)
    };

    JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (ConfigItem)
    JUCE_DECLARE_WEAK_REFERENCEABLE (ConfigItem)
};

//==============================================================================
class ExportersTreeRoot final : public ProjectTreeItemBase
{
public:
    ExportersTreeRoot (Project& p)
        : project (p),
          exportersTree (project.getExporters())
    {
        exportersTree.addListener (this);
    }

    bool isRoot() const override                     { return true; }
    bool canBeSelected() const override              { return true; }
    bool isMissing() const override                  { return false; }
    bool mightContainSubItems() override             { return project.getNumExporters() > 0; }
    String getUniqueName() const override            { return "exporters"; }
    String getRenamingName() const override          { return getDisplayName(); }
    String getDisplayName() const override           { return "Exporters"; }
    void setName (const String&) override            {}
    Icon getIcon() const override                    { return project.getMainGroup().getIcon (isOpen()).withColour (getContentColour (true)); }

    void showPopupMenu (Point<int>) override
    {
        if (auto* pcc = getProjectContentComponent())
            pcc->showNewExporterMenu();
    }

    void addSubItems() override
    {
        int i = 0;
        for (Project::ExporterIterator exporter (project); exporter.next(); ++i)
            addSubItem (new TreeItemTypes::ExporterItem (project, exporter.exporter.release(), i));
    }

    bool isInterestedInDragSource (const DragAndDropTarget::SourceDetails& dragSourceDetails) override
    {
        return dragSourceDetails.description.toString().startsWith (getUniqueName());
    }

    void itemDropped (const DragAndDropTarget::SourceDetails& dragSourceDetails, int insertIndex) override
    {
        int oldIndex = dragSourceDetails.description.toString().getTrailingIntValue();
        exportersTree.moveChild (oldIndex, jmax (0, insertIndex), project.getUndoManagerFor (exportersTree));
    }

    void itemOpennessChanged (bool isNowOpen) override
    {
        if (isNowOpen)
            refreshSubItems();
    }

    void removeExporter (int index)
    {
        if (auto* exporter = dynamic_cast<TreeItemTypes::ExporterItem*> (getSubItem (index)))
            exporter->deleteItem();
    }

private:
    Project& project;
    ValueTree exportersTree;

    //==============================================================================
    void valueTreeChildAdded (ValueTree& parentTree, ValueTree&) override         { refreshIfNeeded (parentTree); }
    void valueTreeChildRemoved (ValueTree& parentTree, ValueTree&, int) override  { refreshIfNeeded (parentTree); }
    void valueTreeChildOrderChanged (ValueTree& parentTree, int, int) override    { refreshIfNeeded (parentTree); }

    void refreshIfNeeded (ValueTree& changedTree)
    {
        if (changedTree == exportersTree)
            refreshSubItems();
    }

    JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (ExportersTreeRoot)
};