/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 */

#ifndef INCLUDED_ORCUS_PYTHON_DOCUMENT_HPP
#define INCLUDED_ORCUS_PYTHON_DOCUMENT_HPP

#include "orcus/spreadsheet/document.hpp"

#include "memory.hpp"

namespace orcus { namespace python {

/** non-python part of the document object. */
struct document_data
{
    std::unique_ptr<spreadsheet::document> m_doc;

    ~document_data();
};

document_data* get_document_data(PyObject* self);

struct stream_with_formulas
{
    py_unique_ptr stream;
    bool recalc_formula_cells = false;
    spreadsheet::formula_error_policy_t error_policy = spreadsheet::formula_error_policy_t::fail;
};

/**
 * Extract a python object representing the byte stream from the arguments
 * passed to the python orcus.<file format>.read() function, as well as
 * several parameters related to formula calculation settings.
 *
 * This function handles the following python arguments: stream, recalc, and
 * error_policy.
 *
 * @param args positional argument object.
 * @param kwargs keyword argument object.
 *
 * @return object representing the bytes as well as formula calculation
 *         settings.
 */
stream_with_formulas read_stream_and_formula_params_from_args(PyObject* args, PyObject* kwargs);

/**
 * This one is similar to the function above, except that it only handles
 * one argument called 'stream'.
 *
 * @return object representing the bytes.
 */
py_unique_ptr read_stream_from_args(PyObject* args, PyObject* kwargs);

/**
 * Import a document from a python object containing the byte stream, and
 * create a python object of class orcus.Document.
 *
 * @param obj_bytes python object containing the byte stream.
 * @param app filter instance to use to load the document.
 * @param doc orcus document instance which will be stored within the python
 *            document object.
 *
 * @return python document object.
 */
PyObject* import_from_stream_into_document(
    PyObject* obj_bytes, iface::import_filter& app, std::unique_ptr<spreadsheet::document>&& doc);

PyObject* create_document(std::unique_ptr<spreadsheet::document>&& doc);

/**
 * Get the definition of the python class Document.
 */
PyTypeObject* get_document_type();

}}

#endif

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