# Copyright © 2007-2020 Jakub Wilk <jwilk@jwilk.net>
# Copyright © 2022-2024 FriedrichFroebel
#
# This file is part of djvulibre-python.
#
# djvulibre-python is free software; you can redistribute it and/or modify it
# under the terms of the GNU General Public License version 2 as published by
# the Free Software Foundation.
#
# djvulibre-python is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
# or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
# more details.

# cython: language_level=3

cdef extern from 'stdio.h':
    ctypedef struct FILE


from djvu.sexpr cimport cexpr_t, _WrappedCExpr
from djvu.sexpr cimport public_c2py as cexpr2py
from djvu.sexpr cimport public_py2c as py2cexpr


cdef extern from 'libdjvu/ddjvuapi.h':
    struct ddjvu_context_s
    union ddjvu_message_s
    struct ddjvu_job_s
    struct ddjvu_document_s
    struct ddjvu_page_s
    struct ddjvu_format_s
    struct ddjvu_rect_s
    struct ddjvu_rectmapper_s

    ctypedef ddjvu_context_s ddjvu_context_t
    ctypedef ddjvu_message_s ddjvu_message_t
    ctypedef ddjvu_job_s ddjvu_job_t
    ctypedef ddjvu_document_s ddjvu_document_t
    ctypedef ddjvu_page_s ddjvu_page_t
    ctypedef ddjvu_format_s ddjvu_format_t
    ctypedef ddjvu_rect_s ddjvu_rect_t
    ctypedef ddjvu_rectmapper_s ddjvu_rectmapper_t

    ctypedef void (*ddjvu_message_callback_t)(ddjvu_context_t* context, void* closure) nogil

    ctypedef enum ddjvu_status_t:
        DDJVU_JOB_NOTSTARTED
        DDJVU_JOB_STARTED
        DDJVU_JOB_OK
        DDJVU_JOB_FAILED
        DDJVU_JOB_STOPPED

    ctypedef enum ddjvu_message_tag_t:
        DDJVU_ERROR
        DDJVU_INFO
        DDJVU_NEWSTREAM
        DDJVU_DOCINFO
        DDJVU_PAGEINFO
        DDJVU_RELAYOUT
        DDJVU_REDISPLAY
        DDJVU_CHUNK
        DDJVU_THUMBNAIL
        DDJVU_PROGRESS

    cdef struct ddjvu_message_any_s:
        ddjvu_message_tag_t tag
        ddjvu_context_t* context
        ddjvu_document_t* document
        ddjvu_page_t* page
        ddjvu_job_t* job
    ctypedef ddjvu_message_any_s ddjvu_message_any_t

    cdef struct ddjvu_message_error_s:
        ddjvu_message_any_t any
        char* message
        char* function
        char* filename
        int lineno

    cdef struct ddjvu_message_info_s:
        ddjvu_message_any_t any
        char* message

    cdef struct ddjvu_message_newstream_s:
        ddjvu_message_any_t any
        int streamid
        char* name
        char* url

    cdef struct ddjvu_message_docinfo_s:
        ddjvu_message_any_t any

    ctypedef enum ddjvu_document_type_t:
        DDJVU_DOCTYPE_UNKNOWN
        DDJVU_DOCTYPE_SINGLEPAGE
        DDJVU_DOCTYPE_BUNDLED
        DDJVU_DOCTYPE_INDIRECT
        DDJVU_DOCTYPE_OLD_BUNDLED
        DDJVU_DOCTYPE_OLD_INDEXED

    cdef struct ddjvu_fileinfo_s:
        char type
        int pageno
        int size
        char* id
        char* name
        char* title
    ctypedef ddjvu_fileinfo_s ddjvu_fileinfo_t

    cdef struct ddjvu_pageinfo_s:
        int width
        int height
        int dpi
        int rotation
        int version
    ctypedef ddjvu_pageinfo_s ddjvu_pageinfo_t

    cdef struct ddjvu_message_pageinfo_s:
        ddjvu_message_any_t any

    cdef struct ddjvu_message_relayout_s:
        ddjvu_message_any_t any

    cdef struct ddjvu_message_redisplay_s:
        ddjvu_message_any_t any

    cdef struct ddjvu_message_chunk_s:
        ddjvu_message_any_t any
    char* chunkid

    ctypedef enum ddjvu_page_type_t:
        DDJVU_PAGETYPE_UNKNOWN
        DDJVU_PAGETYPE_BITONAL
        DDJVU_PAGETYPE_PHOTO
        DDJVU_PAGETYPE_COMPOUND

    ctypedef enum ddjvu_page_rotation_t:
        DDJVU_ROTATE_0
        DDJVU_ROTATE_90
        DDJVU_ROTATE_180
        DDJVU_ROTATE_270

    ctypedef enum ddjvu_render_mode_t:
        DDJVU_RENDER_COLOR
        DDJVU_RENDER_BLACK
        DDJVU_RENDER_COLORONLY
        DDJVU_RENDER_MASKONLY
        DDJVU_RENDER_BACKGROUND
        DDJVU_RENDER_FOREGROUND

    cdef struct ddjvu_rect_s:
        int x, y
        unsigned int w, h

    ctypedef enum ddjvu_format_style_t:
        DDJVU_FORMAT_BGR24
        DDJVU_FORMAT_RGB24
        DDJVU_FORMAT_RGBMASK16
        DDJVU_FORMAT_RGBMASK32
        DDJVU_FORMAT_GREY8
        DDJVU_FORMAT_PALETTE8
        DDJVU_FORMAT_MSBTOLSB
        DDJVU_FORMAT_LSBTOMSB

    cdef struct ddjvu_message_thumbnail_s:
        ddjvu_message_any_t any
        int pagenum

    cdef struct ddjvu_message_progress_s:
        ddjvu_message_any_t any
        ddjvu_status_t status
        int percent

    cdef union ddjvu_message_s:
        ddjvu_message_any_s m_any
        ddjvu_message_error_s m_error
        ddjvu_message_info_s m_info
        ddjvu_message_newstream_s m_newstream
        ddjvu_message_docinfo_s m_docinfo
        ddjvu_message_pageinfo_s m_pageinfo
        ddjvu_message_chunk_s m_chunk
        ddjvu_message_relayout_s m_relayout
        ddjvu_message_redisplay_s m_redisplay
        ddjvu_message_thumbnail_s m_thumbnail
        ddjvu_message_progress_s m_progress


cdef class Context


cdef class Document


cdef class DocumentExtension:
    cdef Document _document


cdef class DocumentPages(DocumentExtension):
    pass


cdef class DocumentFiles(DocumentExtension):
    cdef object _page_map


cdef class Document:
    cdef ddjvu_document_t* ddjvu_document
    cdef Context _context
    cdef DocumentPages _pages
    cdef DocumentFiles _files
    cdef object _queue
    cdef object _condition
    cdef object __weakref__
    cdef object _init(self, Context context, ddjvu_document_t* ddjvu_document)
    cdef object _clear(self)


cdef class _SexprWrapper:
    cdef object _document_weakref
    cdef cexpr_t _cexpr


cdef class DocumentOutline(DocumentExtension):
    cdef _SexprWrapper _sexpr
    cdef object _update_sexpr(self)


cdef class Annotations:
    cdef _SexprWrapper _sexpr
    cdef object _update_sexpr(self)
    cdef Document _document


cdef class DocumentAnnotations(Annotations):
    cdef int _compat


cdef class Hyperlinks:
    cdef object _sexpr


cdef class Metadata:
    cdef Annotations _annotations
    cdef object _keys


cdef class File:
    cdef int _n
    cdef int _have_info
    cdef ddjvu_fileinfo_t ddjvu_fileinfo
    cdef Document _document
    cdef object _get_info(self)


cdef class Page:
    cdef Document _document
    cdef ddjvu_pageinfo_t ddjvu_pageinfo
    cdef int _have_info
    cdef int _n
    cdef object _get_info(self)


cdef class PageAnnotations(Annotations):
    cdef Page _page


cdef class PageText:
    cdef Page _page
    cdef object _details
    cdef _SexprWrapper _sexpr
    cdef object _update_sexpr(self)


cdef class Context:
    cdef ddjvu_context_t* ddjvu_context
    cdef object _queue


cdef class PixelFormat:
    cdef ddjvu_format_t* ddjvu_format
    cdef int _bpp
    cdef int _dither_bpp
    cdef int _row_order
    cdef int _y_direction
    cdef double _gamma


cdef class PixelFormatRgb(PixelFormat):
    cdef int _rgb


cdef class PixelFormatRgbMask(PixelFormat):
    cdef unsigned int _params[4]


cdef class PixelFormatGrey(PixelFormat):
    pass


cdef class PixelFormatPalette(PixelFormat):
    cdef unsigned int _palette[216]


cdef class PixelFormatPackedBits(PixelFormat):
    cdef int _little_endian
    pass


cdef class Job:
    cdef Context _context
    cdef ddjvu_job_t* ddjvu_job
    cdef object _queue
    cdef object _condition
    cdef object _init(self, Context context, ddjvu_job_t *ddjvu_job)
    cdef object _clear(self)
    cdef object __weakref__


cdef class PageJob(Job):
    pass


cdef class SaveJob(Job):
    cdef object _file


cdef class DocumentDecodingJob(Job):
    cdef object _document
    cdef object _init_ddj(self, Document document)


cdef class AffineTransform:
    cdef ddjvu_rectmapper_t* ddjvu_rectmapper


cdef class Message:
    cdef ddjvu_message_t* ddjvu_message
    cdef Context _context
    cdef Document _document
    cdef PageJob _page_job
    cdef Job _job
    cdef object _init(self)


cdef class ErrorMessage(Message):
    cdef object _message
    cdef object _location


cdef class InfoMessage(Message):
    cdef object _message


cdef class Stream:
    cdef int _streamid
    cdef int _open
    cdef Document _document


cdef class NewStreamMessage(Message):
    cdef object _name
    cdef object _uri
    cdef Stream _stream


cdef class DocInfoMessage(Message):
    pass


cdef class PageInfoMessage(Message):
    pass


cdef class ChunkMessage(Message):
    pass


cdef class RelayoutMessage(ChunkMessage):
    pass


cdef class RedisplayMessage(ChunkMessage):
    pass


cdef class ThumbnailMessage(Message):
    cdef int _page_no


cdef class ProgressMessage(Message):
    cdef int _percent
    cdef ddjvu_status_t _status


cdef class Thumbnail:
    cdef Page _page