# -*- mode: python -*-
# -*- coding: utf-8 -*-

##############################################################################
#
# Gestion scolarite IUT
#
# Copyright (c) 1999 - 2019 Emmanuel Viennet.  All rights reserved.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program 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.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
#
#   Emmanuel Viennet      emmanuel.viennet@viennet.net
#
##############################################################################


""" Excel file formatting
"""

# from sco_excel_add import *
import copy
from enum import IntFlag, Enum

from app.scodoc.sco_excel import excel_make_style
from app.scodoc.sco_excel_add import make_font, make_pattern, make_numfmt, make_borders


class CellBorder(IntFlag):
    TOP = 1 << 0
    BOTTOM = 1 << 1
    LEFT = 1 << 2
    RIGHT = 1 << 3


# Liste des modificateurs de format


class CellFormat(IntFlag):
    # Mise en Forme usuelle
    FMT_CAP_UE = 1 << 4  # UE capitalisée
    FMT_MOY = 1 << 5  # Moyenne de semestre
    FMT_UE = 1 << 6  # Acquisition d'UE sans validation semestre
    # Mise en Forme sur le contenu
    EMPHASE_PREC = 1 << 7  # Cause échec de semestre
    EMPHASE_ATB = 1 << 8  # Cause échec de semestre
    EMPHASE_UEACQ = 1 << 9  # Cause échec de semestre
    EMPHASE_ATT = 1 << 10  # Cause échec de semestre
    EMPHASE_ABS = 1 << 11  # Absences
    EMPHASE_COMP = 1 << 12  # Cause échec de semestre

    # Mise en forme numérique
    PRECISE = 1 << 20  # Précision de l'affichage

    GRAYED = 1 << 22  # Grisé horizontal


# Color palette at : https://groups.google.com/g/python-excel/c/cePI-ojUJfc/m/dH72A-rm6_gJ
class CellColor(Enum):
    COLOR_PREC = "D2B48C"  # TAN
    COLOR_ATB = "93CCEA"  # LIGHT CORNFLOWER BLUE
    COLOR_ATT = "FE8DB1"  # LIGHT ORANGE
    COLOR_COMP = "90EE90"  # LIGHT GREEN
    COLOR_UEACQ = "90EE90"  # LIGHT GREEN
    COLOR_ABS = "44845E"  # LIGHT YELLOW


def format_note(valeur, warning, seuil, mini=True):
    if seuil is not None:
        if isinstance(valeur, (int, float)):
            if mini:
                diff = valeur - seuil
            else:
                diff = seuil - valeur
            if -0.20 < diff < 0:
                warning += CellFormat.PRECISE
    return warning


class Formatter:
    def __init__(self):
        self.style_table = {}
        self.last_rank = None
        self.left_borders = []
        self.right_borders = []
        self.default_top = "none"
        self.default_bottom = "none"
        self.default_left = "none"
        self.default_right = "none"
        self.default_format = None

    # def add_category(self, left, right):
    #     self.left_borders.append(left)
    #     self.right_borders.append(right)

    def set_borders_default(self, left="none", top="none", bottom="none", right="none"):
        self.default_bottom = bottom
        self.default_left = left
        self.default_right = right
        self.default_top = top

    def borders(self, li, co):
        index = 0
        index |= CellBorder.TOP if li == 0 else 0
        index |= CellBorder.BOTTOM if self.last_rank and li == self.last_rank else 0
        index |= CellBorder.LEFT if co in self.left_borders else 0
        index |= CellBorder.RIGHT if co in self.right_borders else 0
        return index

    def get_style(self, index=0):
        if index not in self.style_table:
            border_enable = "filet"
            if self.default_format:
                style = copy.copy(self.default_format)
            else:
                style = excel_make_style()
            make_font(
                style=style,
                font_name="Calibri",
                font_size=9,
                bold=(CellFormat.FMT_MOY & index),
                uline=(CellFormat.FMT_CAP_UE & index),
            )
            make_borders(
                style=style, left="none", right="none", top="filet", bottom="filet"
            )
            if index & CellFormat.EMPHASE_ATB:
                make_pattern(style=style, bgcolor=CellColor.COLOR_ATB.value)
            elif index & CellFormat.EMPHASE_ATT:
                make_pattern(style=style, bgcolor=CellColor.COLOR_ATT.value)
            elif index & CellFormat.EMPHASE_PREC:
                make_pattern(style=style, bgcolor=CellColor.COLOR_PREC.value)
            elif index & CellFormat.EMPHASE_COMP:
                make_pattern(style=style, bgcolor=CellColor.COLOR_COMP.value)
            elif index & CellFormat.EMPHASE_UEACQ:
                make_pattern(style=style, bgcolor=CellColor.COLOR_UEACQ.value)
            elif index & CellFormat.EMPHASE_ABS:
                make_pattern(style=style, bgcolor=CellColor.COLOR_ABS.value)
            # elif not index & GRAYED:
            #     make_pattern(style=style, bgcolor=0x43)
            if index & (CellFormat.FMT_CAP_UE | CellFormat.FMT_UE | CellFormat.FMT_MOY):
                if index & CellFormat.PRECISE:
                    make_numfmt("#0.00", style)
                else:
                    make_numfmt("#0.0", style)
            top = border_enable if index & CellBorder.TOP else self.default_top
            bottom = border_enable if index & CellBorder.BOTTOM else self.default_bottom
            left = border_enable if index & CellBorder.LEFT else self.default_left
            right = border_enable if index & CellBorder.RIGHT else self.default_right
            make_borders(style=style, top=top, left=left, right=right, bottom=bottom)
            self.style_table[index] = style
        return self.style_table[index]

    def width(self, item):
        if item is None:
            return 1
        else:
            compte = 0
            for subitem in item.values():
                compte += self.width(subitem)
            return compte

    def set_default_format(self, default_format):
        self.default_format = default_format