# -*- coding: utf-8 -*-

from __future__ import division, print_function, unicode_literals

from . import lang_EU


class Num2Word_SV(lang_EU.Num2Word_EU):
    GIGA_SUFFIX = "iljarder"
    MEGA_SUFFIX = "iljoner"

    def set_high_numwords(self, high):
        cap = 3 + 6 * len(high)

        for word, n in zip(high, range(cap, 3, -6)):
            if self.GIGA_SUFFIX:
                self.cards[10 ** n] = word + self.GIGA_SUFFIX

            if self.MEGA_SUFFIX:
                self.cards[10 ** (n - 3)] = word + self.MEGA_SUFFIX

    def setup(self):
        super(Num2Word_SV, self).setup()

        self.negword = "minus "
        self.pointword = "komma"
        self.exclude_title = ["och", "komma", "minus"]

        self.mid_numwords = [(1000, "tusen"), (100, "hundra"),
                             (90, "nittio"), (80, "åttio"), (70, "sjuttio"),
                             (60, "sextio"), (50, "femtio"), (40, "förtio"),
                             (30, "trettio")]
        self.low_numwords = ["tjugo", "nitton", "arton", "sjutton",
                             "sexton", "femton", "fjorton", "tretton",
                             "tolv", "elva", "tio", "nio", "åtta",
                             "sju", "sex", "fem", "fyra", "tre", "två",
                             "ett", "noll"]
        self.ords = {"noll": "nollte",
                     "ett": "första",
                     "två": "andra",
                     "tre": "tredje",
                     "fyra": "fjärde",
                     "fem": "femte",
                     "sex": "sjätte",
                     "sju": "sjunde",
                     "åtta": "åttonde",
                     "nio": "nionde",
                     "tio": "tionde",
                     "elva": "elfte",
                     "tolv": "tolfte",
                     "tjugo": "tjugonde"}

    def merge(self, lpair, rpair):
        ltext, lnum = lpair
        rtext, rnum = rpair
        if lnum == 1 and rnum < 100:
            return (rtext, rnum)
        elif 100 > lnum > rnum:
            return ("%s%s" % (ltext, rtext), lnum + rnum)
        elif lnum >= 100 > rnum:
            return ("%s%s" % (ltext, rtext), lnum + rnum)
        elif rnum >= 1000000 and lnum == 1:
            return ("%s %s" % ('en', rtext[:-2]), lnum + rnum)
        elif rnum >= 1000000 and lnum > 1:
            return ("%s %s" % (ltext, rtext), lnum + rnum)
        elif rnum > lnum:
            return ("%s%s" % (ltext, rtext), lnum * rnum)
        return ("%s %s" % (ltext, rtext), lnum + rnum)

    def to_ordinal(self, value):
        self.verify_ordinal(value)
        outwords = self.to_cardinal(value).split(" ")
        lastword = outwords[-1]
        ending_length = 0
        try:
            lastword_ending = self.ords[lastword[-4:]]
            ending_length = 4
        except KeyError:
            try:
                lastword_ending = self.ords[lastword[-3:]]
                ending_length = 3
            except KeyError:
                lastword_ending = "de"
        if lastword_ending == 'de':
            lastword_first_part = self.title(lastword)[:]
        else:
            lastword_first_part = self.title(lastword)[:-ending_length]
        lastword_correct = lastword_first_part + lastword_ending
        outwords[-1] = lastword_correct
        return " ".join(outwords)

    def to_ordinal_num(self, value):
        raise NotImplementedError(
            "'ordinal_num' is not implemented for swedish language")

    def to_year(self, val, longval=True):
        raise NotImplementedError(
            "'year' is not implemented for swedish language")

    def to_currency(self, val, longval=True):
        raise NotImplementedError(
            "'currency' is not implemented for swedish language")