/* Records every librevenge callback a parser makes (libwps or libwpd; this copy is ../wps/src/recorder.h) as one JSON event, so
 * the page can rebuild the document (or spreadsheet) in TypeScript: the
 * on-screen view, HTML, plain text, DOCX, XLSX and CSV all come from the same
 * events.
 *
 *   [["openParagraph",{"fo:text-align":"center",...}],["insertText","Hello"],["closeParagraph"],...]
 *
 * Property values are librevenge's own strings ("0.5in", "bold", base64 for
 * pictures); property-list vectors (tab stops, table columns) become arrays
 * of objects.
 *
 * SPDX-License-Identifier: MPL-2.0
 */
#pragma once

#include <librevenge/librevenge.h>

#include <string>

namespace jm
{

class Events
{
public:
  Events() { m_out = "["; }
  void event(const char *name);
  void event(const char *name, const librevenge::RVNGPropertyList &props);
  void text(const char *name, const librevenge::RVNGString &text);
  std::string finish() { return m_out + "]"; }

private:
  void begin(const char *name);
  void props(const librevenge::RVNGPropertyList &props);
  std::string m_out;
  bool m_first = true;
};

#define JM_EV0(method) void method() override { m_ev.event(#method); }
#define JM_EV1(method) void method(const librevenge::RVNGPropertyList &p) override { m_ev.event(#method, p); }

#define JM_COMMON                                                                 \
  JM_EV1(setDocumentMetaData) JM_EV1(startDocument) JM_EV0(endDocument)          \
  JM_EV1(definePageStyle) JM_EV1(defineEmbeddedFont)                             \
  JM_EV1(openPageSpan) JM_EV0(closePageSpan)                                     \
  JM_EV1(openHeader) JM_EV0(closeHeader) JM_EV1(openFooter) JM_EV0(closeFooter)  \
  JM_EV1(defineParagraphStyle) JM_EV1(openParagraph) JM_EV0(closeParagraph)      \
  JM_EV1(defineCharacterStyle) JM_EV1(openSpan) JM_EV0(closeSpan)                \
  JM_EV1(openLink) JM_EV0(closeLink)                                             \
  JM_EV1(defineSectionStyle) JM_EV1(openSection) JM_EV0(closeSection)            \
  JM_EV0(insertTab) JM_EV0(insertSpace) JM_EV0(insertLineBreak)                  \
  JM_EV1(insertField)                                                            \
  JM_EV1(openOrderedListLevel) JM_EV1(openUnorderedListLevel)                    \
  JM_EV0(closeOrderedListLevel) JM_EV0(closeUnorderedListLevel)                  \
  JM_EV1(openListElement) JM_EV0(closeListElement)                               \
  JM_EV1(openFootnote) JM_EV0(closeFootnote)                                     \
  JM_EV1(openComment) JM_EV0(closeComment)                                       \
  JM_EV1(openTextBox) JM_EV0(closeTextBox)                                       \
  JM_EV1(openTable) JM_EV1(openTableRow) JM_EV0(closeTableRow)                   \
  JM_EV1(openTableCell) JM_EV0(closeTableCell) JM_EV1(insertCoveredTableCell)    \
  JM_EV0(closeTable)                                                             \
  JM_EV1(openFrame) JM_EV0(closeFrame) JM_EV1(insertBinaryObject)                \
  JM_EV1(insertEquation)                                                         \
  JM_EV1(openGroup) JM_EV0(closeGroup) JM_EV1(defineGraphicStyle)                \
  JM_EV1(drawRectangle) JM_EV1(drawEllipse) JM_EV1(drawPolygon)                  \
  JM_EV1(drawPolyline) JM_EV1(drawPath) JM_EV1(drawConnector)                    \
  void insertText(const librevenge::RVNGString &t) override { m_ev.text("insertText", t); }

class TextRecorder : public librevenge::RVNGTextInterface
{
public:
  JM_COMMON
  JM_EV1(openEndnote) JM_EV0(closeEndnote)
  std::string result() { return m_ev.finish(); }

private:
  Events m_ev;
};

class SheetRecorder : public librevenge::RVNGSpreadsheetInterface
{
public:
  JM_COMMON
  JM_EV1(defineSheetNumberingStyle) JM_EV1(openSheet) JM_EV0(closeSheet)
  JM_EV1(openSheetRow) JM_EV0(closeSheetRow) JM_EV1(openSheetCell) JM_EV0(closeSheetCell)
  JM_EV1(defineChartStyle) JM_EV1(openChart) JM_EV0(closeChart)
  JM_EV1(openChartTextObject) JM_EV0(closeChartTextObject)
  JM_EV1(openChartPlotArea) JM_EV0(closeChartPlotArea)
  JM_EV1(insertChartAxis) JM_EV1(openChartSerie) JM_EV0(closeChartSerie)
  std::string result() { return m_ev.finish(); }

private:
  Events m_ev;
};

} // namespace jm