import bisect
import uno
import unohelper
from net.elmau.zaz.functions import XZAZFunctions


ID_EXTENSION = 'net.elmau.zaz.functions'
SERVICE = ('com.sun.star.sheet.AddIn',)


class ZAZFunctions(unohelper.Base, XZAZFunctions):

    def __init__(self, ctx):
        self.ctx = ctx

    def zreverse(self, value):
        result = value[::-1]
        return result

    def zeval(self, value):
        result = eval(value)
        return result

    def zxylookup(self, lookup_value_x, lookup_value_y, return_array, if_not_found):

        return

    def zxlookup(self, lookup_value, lookup_array, return_array, if_not_found,
        match_mode, search_mode):

        # The python default value not get in custom functions
        if match_mode is None:
            match_mode = 0
        else:
            match_mode = int(match_mode)
        if search_mode is None:
            search_mode = 1

        value = None
        if len(lookup_array[0]) == 1:
            source = [r[0] for r in lookup_array]
        else:
            source = lookup_array[0]

        if lookup_value in source:
            index = source.index(lookup_value)
            value = (return_array[index],)

        if value is None:
            if match_mode == -1:
                index = bisect.bisect_right(source, lookup_value)
                value = (return_array[index],)
            elif match_mode == 1:
                index = bisect.bisect_left(source, lookup_value)
                value = (return_array[index],)
            elif match_mode == 2:
                pass

        if value is None and not if_not_found is None:
            value = ((if_not_found,),)

        return value


g_ImplementationHelper = unohelper.ImplementationHelper()
g_ImplementationHelper.addImplementation(ZAZFunctions, ID_EXTENSION, SERVICE)