#include "frmMain.h"

class tocItemTreeData : public wxTreeItemData
{
public:
	uint32_t itemIndex;

	tocItemTreeData()
		: wxTreeItemData()
	{
	};
};

frmMain::frmMain( wxWindow* parent, ODT::ODT *document )
:
frmMainADT( parent )
, document( document )
{
	wxTreeItemId rootItem = treHelpTopics->AddRoot("Xestia Address Book", -1, -1, nullptr);

	wxTreeItemId previousItem;
	
	wxTreeItemId lastItemAtLevel[9];
	lastItemAtLevel[ODT::HelpTopicCurrentLevel::TOPIC_LEVEL1] = rootItem;
	uint32_t itemIndex = 0;

	for (auto tocItem : document->tocData)
	{
		if (tocItem.tocItemLevel == ODT::HelpTopicCurrentLevel::TOPIC_LEVEL1)
		{
			lastItemAtLevel[0] = treHelpTopics->AppendItem(rootItem, tocItem.tocItemName, -1, -1, nullptr);
			tocItem.tocItemData = lastItemAtLevel[0].GetID();
		}
		else if (tocItem.tocItemLevel == ODT::HelpTopicCurrentLevel::TOPIC_LEVEL2)
		{
			lastItemAtLevel[1] = treHelpTopics->AppendItem(lastItemAtLevel[0], tocItem.tocItemName, -1, -1, nullptr);
			tocItem.tocItemData = lastItemAtLevel[1].GetID();
		}
		else if (tocItem.tocItemLevel == ODT::HelpTopicCurrentLevel::TOPIC_LEVEL3)
		{
			lastItemAtLevel[2] = treHelpTopics->AppendItem(lastItemAtLevel[1], tocItem.tocItemName, -1, -1, nullptr);
			tocItem.tocItemData = lastItemAtLevel[2].GetID();
		}
		else if (tocItem.tocItemLevel == ODT::HelpTopicCurrentLevel::TOPIC_LEVEL4)
		{
			lastItemAtLevel[3] = treHelpTopics->AppendItem(lastItemAtLevel[2], tocItem.tocItemName, -1, -1, nullptr);
			tocItem.tocItemData = lastItemAtLevel[3].GetID();
		}
		else
		{
			wxTreeItemId newItem = treHelpTopics->AppendItem(rootItem, tocItem.tocItemName, -1, -1, nullptr);
			tocItem.tocItemData = newItem.GetID();
		}
	
		tocItemTreeData *tocItemIndexData = new tocItemTreeData();
		tocItemIndexData->itemIndex = itemIndex;
		treHelpTopics->SetItemData(tocItem.tocItemData, tocItemIndexData);
		
		itemIndex++;
	}

	// Load in the images.
	
	

	SetTitle(document->title);
}

void frmMain::UpdateHelpTopic( wxTreeEvent& event )
{
	wxTreeItemId currentTreeItem = event.GetItem();
	tocItemTreeData *tocItemData = static_cast<tocItemTreeData*>(treHelpTopics->GetItemData(currentTreeItem));
	
	std::string pageData;
	
	pageData += "<h2>" + std::string(treHelpTopics->GetItemText(currentTreeItem).ToStdString()) + "</h2>\n";
	
	// Process the help topic sections.
	
	bool firstSection = true;
	
	for (auto helpTopicSection : document->helpTopicData[tocItemData->itemIndex].helpTopicSections)
	{
		if (!firstSection)
			pageData += "<br><br>";
		
		firstSection = false;
		pageData += helpTopicSection.sectionText + "\n";
	}
	
	// Process the foot note sections.

	if (document->helpTopicData[tocItemData->itemIndex].helpTopicFootnotes.size() > 0)
		pageData += "<hr>\n";
	
	for (auto footnoteSection : document->helpTopicData[tocItemData->itemIndex].helpTopicFootnotes)
	{
		std::string footnoteID = std::to_string(footnoteSection.footnoteID);
		pageData += "<a name=\"footnote" + footnoteID + "\"></a><sup>" + footnoteID + "</sup>&nbsp;" + footnoteSection.footnoteText + "<br>\n";
	}
	
	htmPage->SetPage((wxString)pageData);
}