#!/usr/bin/python3
import sys, re, os, pg, datetime, locale, glob
from dialog import Dialog

## Initialize a dialog.Dialog instance
d = Dialog(dialog="dialog")

sourcedir = "/home/wn/python/webgen/"
targetdir = "/home/wn/www/i21k.de/posts/"
locale.setlocale(locale.LC_ALL, "")
clear = "\x1b[2J\x1b[H"
xwidth = os.get_terminal_size()[0] - 3
ywidth = os.get_terminal_size()[1] - 3
os.chdir(sourcedir)

# Select a topic for the new post or reedit an existing one
def selectfile():
    # Put files in sourcefolder into list
    zahl = 0
    tabelle = []
    for zeile in glob.glob("*.md"):
        tabelle.insert(zahl, (str(zahl), zeile))
        zahl += 1

    # Open list in menu and let user choose one
    ausgewaehlt = d.menu(
        "Such dir ne Datei:",
        width=xwidth,
        height=ywidth,
        menu_height=ywidth,
        title="Ein Thema wählen:",
        choices=tabelle,
        cancel="Neuen Namen eingeben",
    )

    if ausgewaehlt[0] == "cancel":
        newtopic = d.inputbox("Ok, gib hier ein neues Thema an:", width=xwidth, height=ywidth, title="Ein Thema wählen:", cancel="Exit")
        if newtopic[0] == "cancel" or newtopic[1] == "":
            sys.exit("Na, dann eben nicht...")
        headline = newtopic[1]
    else:
        headline = ""

    # Clean filename from leading .md for later construction of a headline
    if headline == "":
        headline = re.sub("\.md$", "", tabelle[int(ausgewaehlt[1])][1])

    # if the searched filename doesnt match an existing file we construct a new one
    if len(glob.glob(sourcedir + headline + ".md")) == 0:
        sourcefile = sourcedir + headline + ".md"
    else:
        sourcefile = str(glob.glob(sourcedir + headline + ".md")[0])

    # if the targetfilename doesnt match an existing file we construct a new one
    targetfile = glob.glob(targetdir + "[0-9][0-9][0-9][0-9]-[0-9][0-9]-[0-9][0-9] [0-2][0-9]:[0-6][0-9]        " + headline + "*")
    targetfilelength = len(targetfile)
    if targetfilelength >= 1:
        targetfile = targetfile[targetfilelength - 1]
    else:
        targetfile = targetdir + datetime.datetime.now().strftime("%Y-%m-%d %H:00 ") + headline

    return sourcefile, targetfile, headline


antwort = selectfile()
print(antwort)