# -*-coding:utf-8 -*

import tkinter as tk
import logging
logger = logging.getLogger()

class Interface(tk.Toplevel):
    """
    Help window
    """

    def __init__(self, parent, **kwargs):
        tk.Toplevel.__init__(self, parent)
        self.transient(parent)
        self.grab_set()
        self.title("PDF Embanner : help and credits")
        self.geometry("700x300")
        self.protocol("WM_DELETE_WINDOW", self.close)
        self.bind("<Escape>", self.close)
        self.bind("<Return>", self.close)

        self.f = tk.Frame(self)
        self.f.pack(fill=tk.BOTH)
        self.f.columnconfigure(0, weight=1)
        self.f.rowconfigure(0, weight=1)

        # Création de nos widgets
        vsb = tk.Scrollbar(self.f, orient=tk.VERTICAL)
        vsb.grid(row=0, column=1, sticky=tk.N+tk.S)
        hsb = tk.Scrollbar(self.f, orient=tk.HORIZONTAL)
        hsb.grid(row=1, column=0, sticky=tk.W+tk.E)
        c = tk.Canvas(self.f,yscrollcommand=vsb.set, xscrollcommand=hsb.set)
        c.grid(row=0, column=0, sticky=tk.W+tk.E+tk.N+tk.S)
        vsb.config(command=c.yview)
        hsb.config(command=c.xview)
        self.frame_text = tk.Frame(c)
        self.frame_text.columnconfigure(0, weight=1)

        i=0
        with open('pdfembannersrc/help.md', 'r') as f:
            for l in f.readlines():
                if(l[0]=='#'):
                    if(l[1]=='#'):
                        if(l[2]=='#'):
                            tk.Label(self.frame_text, text=l[3:-1], font=(None, 15)).grid(row=i, column=0, sticky=tk.W)
                        else:
                            tk.Label(self.frame_text, text=l[2:-1], font=(None,18)).grid(row=i, column=0, sticky=tk.W)
                    else:
                        tk.Label(self.frame_text, text=l[1:-1], font=(None, 23)).grid(row=i, column=0, sticky=tk.W)
                else:
                    tk.Label(self.frame_text, text=l[:-1]).grid(row=i, column=0, sticky=tk.W)
                i+=1
        
        c.create_window(0, 0,  window=self.frame_text, anchor=tk.NW)
        self.frame_text.update_idletasks()
        c.config(scrollregion=c.bbox("all"))
        
        self.bouton_close = tk.Button(self.f, text="Close", command=self.close)
        self.bouton_close.grid(row=2, column=0, sticky=tk.E)

    def close(self, *args):
        self.destroy()