#coding=utf-8

import tkinter as tk
from tkinter.font import Font
from tkinter import ttk

from ..frames import GuiFrame, RepeatableFrame, ScrollableFrame
from ..frames import WidgetRepeater, RepeatableEntry, getIntVal
from ..frames import SelectionFrame, SelectionButton
from ..frames.team import DBSelectionField, TeamList, TeamSelectionButton
from ..frames.visual import PositionsSelectionFrame

class SwissSettingsFrame(RepeatableFrame):
    SOURCE_LINK = 0
    SOURCE_DB = 1

    def _setPositionInfo(self, *args):
        tournamentFrom = getIntVal(self.setFrom, default=1)
        tournamentTo = min(
            getIntVal(self.setTo, default=1) \
            if self.setToEnabled.get() else 9999,
            len(self.winfo_toplevel().getTeams()))
        swissFrom = getIntVal(self.fetchFrom, default=1)
        swissTo = swissFrom + tournamentTo - tournamentFrom
        if tournamentTo < tournamentFrom:
            self.positionsInfo.configure(text='brak miejsc do ustawienia')
        else:
            self.positionsInfo.configure(text='%d-%d -> %d-%d' % (
                swissFrom, swissTo, tournamentFrom, tournamentTo))

    def _setFields(self, *args):
        checkFields = [self.setToEnabled, self.fetchFromEnabled]
        for child in self.winfo_children():
            info = child.grid_info()
            row = int(info['row'])
            if row in [1, 2] and not isinstance(child, ttk.Radiobutton):
                child.configure(
                    state=tk.NORMAL if self.source.get() == 2 - row \
                    else tk.DISABLED)
            elif row in [5, 6] and isinstance(child, tk.Spinbox):
                child.configure(
                    state=tk.NORMAL if checkFields[row-5].get() \
                    else tk.DISABLED)

    def renderContent(self):
        (ttk.Label(self, text='Źródło danych:')).grid(
            row=0, column=0, sticky=tk.W)
        self.source = tk.IntVar()
        (ttk.Radiobutton(
            self, text='Baza danych',
            variable=self.source, value=self.SOURCE_DB)).grid(
                row=1, column=0, sticky=tk.W)
        self.fetchDB = tk.StringVar()
        self.fetchDBField = DBSelectionField(
            self, self.fetchDB, self.fetchDB.get())
        self.fetchDBField.grid(row=1, column=1, sticky=tk.W+tk.E)
        (ttk.Radiobutton(
            self, text='Strona turnieju',
            variable=self.source, value=self.SOURCE_LINK)).grid(
                row=2, column=0, sticky=tk.W)
        self.fetchLink = tk.StringVar()
        (ttk.Entry(self, textvariable=self.fetchLink, width=20)).grid(
            row=2, column=1, sticky=tk.W+tk.E)

        (ttk.Separator(self, orient=tk.HORIZONTAL)).grid(
            row=3, column=0, columnspan=6, sticky=tk.E+tk.W)

        (ttk.Label(
            self, text='Ustaw od miejsca: ')).grid(
                row=4, column=0, sticky=tk.E)
        self.setFrom = tk.IntVar()
        (tk.Spinbox(
            self, textvariable=self.setFrom,
            from_=1, to=999, width=5)).grid(
                row=4, column=1, sticky=tk.W)
        self.setToEnabled = tk.IntVar()
        (ttk.Checkbutton(
            self, variable=self.setToEnabled,
            text='Ustaw do miejsca: ')).grid(
                row=5, column=0, sticky=tk.E)
        self.setTo = tk.IntVar()
        (tk.Spinbox(
            self, textvariable=self.setTo,
            from_=1, to=999, width=5)).grid(
                row=5, column=1, sticky=tk.W)
        self.fetchFromEnabled = tk.IntVar()
        (ttk.Checkbutton(
            self, variable=self.fetchFromEnabled,
            text='Pobierz od miejsca: ')).grid(
                row=6, column=0, sticky=tk.E)
        self.fetchFrom = tk.IntVar()
        (tk.Spinbox(
            self, textvariable=self.fetchFrom,
            from_=1, to=999, width=5)).grid(
                row=6, column=1, sticky=tk.W)

        (ttk.Label(self, text='Miejsca w swissie')).grid(
            row=4, column=2)
        (ttk.Label(self, text='Miejsca w klasyfikacji')).grid(
            row=4, column=3)
        self.positionsInfo = ttk.Label(self, text=' -> ', font=Font(size=16))
        self.positionsInfo.grid(row=5, column=2, columnspan=2, rowspan=2)

        (ttk.Label(self, text='Etykieta linku:')).grid(
            row=8, column=0, sticky=tk.E)
        self.linkLabel = tk.StringVar()
        (ttk.Entry(self, textvariable=self.linkLabel, width=20)).grid(
            row=8, column=1, sticky=tk.W)
        (ttk.Label(self, text='(domyślnie: "Turniej o #. miejsce")')).grid(
            row=8, column=2, sticky=tk.W)

        (ttk.Label(self, text='Względna ścieżka linku do swissa:')).grid(
            row=1, column=2)
        self.linkRelPath = tk.StringVar()
        (ttk.Entry(self, textvariable=self.linkRelPath, width=20)).grid(
            row=1, column=3)

        (ttk.Separator(self, orient=tk.HORIZONTAL)).grid(
            row=7, column=0, columnspan=6, sticky=tk.E+tk.W)
        (ttk.Separator(self, orient=tk.HORIZONTAL)).grid(
            row=9, column=0, columnspan=6, sticky=tk.E+tk.W)

        self._setFields()
        self._setPositionInfo()

        self.fetchFromEnabled.trace('w', self._setFields)
        self.setToEnabled.trace('w', self._setFields)
        self.source.trace('w', self._setFields)
        self.setFrom.trace('w', self._setPositionInfo)
        self.setTo.trace('w', self._setPositionInfo)
        self.fetchFrom.trace('w', self._setPositionInfo)
        self.fetchFromEnabled.trace('w', self._setPositionInfo)
        self.setToEnabled.trace('w', self._setPositionInfo)
        self.winfo_toplevel().bind(
            '<<TeamListChanged>>', self._setPositionInfo, add='+')


class SwissesFrame(ScrollableFrame):
    def renderContent(self, container):
        self.swisses = WidgetRepeater(container, SwissSettingsFrame)
        self.swisses.pack(side=tk.TOP, fill=tk.BOTH, expand=True)

__all__ = ['SwissesFrame']

class MatchSelectionButton(SelectionButton):
    @property
    def defaultPrompt(self):
        return 'Wybierz mecze:'

    @property
    def title(self):
        return 'Wybór meczów'

    @property
    def errorMessage(self):
        return 'W turnieju nie zdefiniowano żadnych meczów'

    def getOptions(self):
        return self.winfo_toplevel().getMatches()


class MatchSelectionFrame(SelectionFrame):
    def renderOption(self, container, option, idx):
        (ttk.Label(container, text='[%d]' % (idx+1))).grid(
            row=idx+1, column=0)
        (ttk.Checkbutton(
            container, text='Mecz nr %d' % (option.getMatchID()),
            variable=self.values[idx]
        )).grid(row=idx+1, column=1, sticky=tk.W)