# -*- coding: utf8 -*-
# Общественное достояние 2023, Алексей Безбородов (Alexei Bezborodov) <AlexeiBv+mirocod_platform_bot@narod.ru> 

# Сообщения для работы с документами

from bot_sys import log, config, user_access
from bot_modules import groups_utils
from template import simple_message
#import odf

def DocFilesTemplate(a_Bot, a_FilesFunc, a_CaptionMessage, a_AccessFunc, a_GetButtonsFunc, a_GetInlineButtonsFunc, a_ErrorMessage, access_mode = user_access.AccessMode.EDIT):
    async def DocFiles(a_Message):
        user_id = str(a_Message.from_user.id)
        user_groups= groups_utils.GetUserGroupData(a_Bot, user_id)
        if not user_access.CheckAccess(a_Bot.GetRootIDs(), a_AccessFunc(), user_groups, access_mode):
            return await simple_message.AccessDeniedMessage(a_Bot, a_GetButtonsFunc, user_id, a_Message, user_groups)

        msg = a_CaptionMessage.GetDesc()
        msg = msg.replace('@time', a_Bot.GetLog().GetTime())

        files = a_FilesFunc(user_id)
        if not files:
            await simple_message.SendMessage(a_Bot, a_ErrorMessage, a_GetButtonsFunc, None, user_id, a_Message, user_groups)
            return

        for file_path, dict_replace in files.items():
            if not dict_replace:
                continue
            new_file = await MakeDocFile(a_Bot, file_path, dict_replace, user_id)
            document = await GetFile(a_Bot, new_file)
            if document is None:
                await simple_message.SendMessage(a_Bot, a_ErrorMessage, a_GetButtonsFunc, None, user_id, a_Message, user_groups)
            else:
                await a_Bot.SendDocument(
                    user_id,
                    document,
                    msg,
                    simple_message.ProxyGetButtonsTemplate(a_GetButtonsFunc)(a_Message, user_groups),
                    simple_message.ProxyGetButtonsTemplate(a_GetInlineButtonsFunc)(a_Message, user_groups)
                    )
    return DocFiles

async def ReplaceInFile(a_Bot, a_InputFileName, a_OutFileName, a_DictReplace):
    try:
        filedata = ''

        with open(a_InputFileName, 'r') as in_f:
            filedata = in_f.read()
        s = filedata

        for rep_this, to_this in a_DictReplace.items():
            s = s.replace(rep_this, to_this)

        with open(a_OutFileName, 'w') as out_f:
            out_f.write(s)
        a_Bot.GetLog().Success(f'Создан файл {a_OutFileName}')
        return a_OutFileName
    except Exception as e:
        a_Bot.GetLog().Error(f'Не удалось заменить текст в фале {a_InputFileName} и записать в {a_OutFileName}. Ошибка {str(e)}')
        return None

from weasyprint import HTML, CSS

async def SaveAsPdf(a_Bot, a_InputFileName, a_OutFileName):
    try:
        HTML(filename = a_InputFileName).write_pdf(a_OutFileName)
        a_Bot.GetLog().Success(f'Создан файл {a_OutFileName}')
        return a_OutFileName
    except Exception as e:
        a_Bot.GetLog().Error(f'Не удалось создать пдф из фала {a_InputFileName} и записать в {a_OutFileName}. Ошибка {str(e)}')
        return None

async def MakeDocFile(a_Bot, a_FilePath, a_DictReplace, a_user_id):
    user_file_path = a_FilePath[:-5]
    pdf_file_path = user_file_path
    user_file_path += f"_{a_user_id}.html"
    pdf_file_path += f"_{a_user_id}.pdf"
    user_file_path = await ReplaceInFile(a_Bot, a_FilePath, user_file_path, a_DictReplace)
    if not user_file_path:
        return None

    return await SaveAsPdf(a_Bot, user_file_path, pdf_file_path)

async def GetFile(a_Bot, a_Path):
    if not a_Path:
        return None
    try:
        document = open(a_Path, 'rb')
        a_Bot.GetLog().Success(f'Загружен файл {a_Path}')
        return document
    except Exception as e:
        a_Bot.GetLog().Error(f'Не удалось загрузить файл {a_Path}. Ошибка {str(e)}')
        return None