# Copyright 2018 ACSONE SA/NV
# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl)

import html
import time
import logging

from base64 import b64decode
from odoo.tools import misc, mail

logger = logging.getLogger(__name__)

try:
    from genshi.core import Markup
except ImportError:
    logger.debug('Cannot import py3o.template')


def format_multiline_value(value):
    if value:
        return Markup(html.escape(value).replace('\n', '<text:line-break/>').
                      replace('\t', '<text:s/><text:s/><text:s/><text:s/>'))
    return ""


def display_address(address_record, without_company=False):
    return address_record.display_address(without_company=without_company)


class Py3oParserContext(object):
    def __init__(self, env):
        self._env = env

        self.localcontext = {
            # Odoo default format methods
            'o_format_lang': self._format_lang,
            # prefixes with o_ to avoid nameclash with default method provided
            # by py3o.template
            'o_format_date': self._format_date,
            # give access to the time lib
            'time': time,
            # keeps methods from report_sxw to ease migration
            'display_address': display_address,
            'formatLang': self._old_format_lang,
            'format_multiline_value': format_multiline_value,
            'html_sanitize': mail.html2plaintext,
            'b64decode': b64decode,
        }

    def _format_lang(self, _env, value, digits=None, grouping=True,
                     monetary=False, dp=False, currency_obj=False,
                     no_break_space=True):
        formatted_value = misc.formatLang(
            _env, value, digits=digits, grouping=grouping,
            monetary=monetary, dp=dp, currency_obj=currency_obj)
        if currency_obj and currency_obj.symbol and no_break_space:
            parts = []
            if currency_obj.position == 'after':
                parts = formatted_value.rsplit(" ", 1)
            elif currency_obj and currency_obj.position == 'before':
                parts = formatted_value.split(" ", 1)
            if parts:
                formatted_value = "\N{NO-BREAK SPACE}".join(parts)
        return formatted_value

    def _format_date(self, value, lang_code=False, date_format=False):
        return misc.format_date(
            self._env, value, lang_code=lang_code, date_format=date_format)

    def _old_format_lang(self, value, digits=None, date=False, date_time=False,
                         grouping=True, monetary=False, dp=False,
                         currency_obj=False):
        """
        :param value: The value to format
        :param digits: Number of digits to display by default
        :param date: True if value must be formatted as a date (default False)
        :param date_time: True if value must be formatted as a datetime
                          (default False)
        :param grouping: If value is float and grouping is True, the value will
                         be formatted with the appropriate separators between
                         figures according to the current lang specifications
        :param monetary: If value is float and monetary is True and grouping is
                         True the value will be formatted according to the
                         monetary format defined for the current lang
        :param dp: Decimal precision
        :param currency_obj: If provided the currency symbol will be added to
                             value at position defined by the currency object
        :return: The formatted value
        """
        if not date and not date_time:
            return self._format_lang(
                self._env, value, digits=digits, grouping=grouping,
                monetary=monetary, dp=dp, currency_obj=currency_obj,
                no_break_space=True)

        return self._format_date(self._env, value)