#! /usr/bin/env python3
from dialog import Dialog
import json

d = Dialog(dialog="dialog")
d.set_background_title("Klandr")


klandringer = None
with open("klandringer.json", "r") as jsonfile:
    contents = jsonfile.read()
    if contents == "":
        complete_klandringer = {}
    else:
        complete_klandringer = json.loads(contents)

#####################
# Begin definitions #
#####################

def menu_select_date():
    global klandringer
    if complete_klandringer == {}:
        date_entries = [()]
    else:
        date_entries = [(k,"") for k in complete_klandringer]
    date_entries.append(("Ny","Opret en ny dato"))
    code, tag = d.menu("Vælg den dato du vil ændre",
                       title="Vælg dato",
                       choices=date_entries)
    if code == d.OK:
        date = tag
        if tag == "Ny":
            date = new_date()
                        
        klandringer = complete_klandringer[date]
        menu_main()

def menu_main():
    code, tag = d.menu("Vælg punkt på dagsordenen",
                       title="Hovedmenu",
                       choices=[("Indledende", "Indledende bemærkninger"),
                                ("Klandringer", "Så mange klandringer"),
                                ("Afsluttende", "Afsluttende bemærkninger")])

    if code == d.OK:
        if tag == "Indledende":
            menu_indledende()
        elif tag == "Klandringer":
            menu_klandringer()
        elif tag == "Afsluttende":
            menu_afsluttende()
        else:
            quit()

####################
# Begin indledende #
####################

# TODO: Write indledende

##################
# End indledende #
##################

#####################
# Begin afsluttende #
#####################

# TODO: Write afsluttende

###################
# End afsluttende #
###################

#####################
# Begin klandringer #
#####################

def menu_klandringer():
    code, tag = d.menu("Hvad du vil gøre med klandringerne?",
                       title="Klandringer",
                       choices=[("Ny", "Oprette en ny klandring"),
                                ("Ændr", "Ændre en eksisterende klandring"),
                                ("Beskriv", "Beskriv en eksisterende klandring"),
                                #("Omarrangér", "Omarrangere de eksisterende klandringer"),
                                ("Slet", "Slette en eksisterende klandring"),
                                ("Batch", "Gå i batch-mode")])
    
    if code == d.CANCEL:
        menu_main()
    elif code == d.OK:
        if tag == "Ny":
            create_klandring()
        elif tag == "Batch":
            batch_mode()
        else: 
            klandring = menu_select_klandring()
            if klandring != None:
                if tag == "Ændr":
                    edit_klandring(klandring)
                elif tag == "Beskriv":
                    describe_klandring(klandring)
                elif tag == "Slet":
                    delete_klandring(klandring)
            
    menu_klandringer()

def menu_select_klandring():
    klandringer_entries = [(str(i),k["klandrer"] + " v. " + k["klandret"] + " - " + k["title"]) for i,k in enumerate(klandringer)]
    code, tag = d.menu("Vælg den klandring du vil ændre/slette",
                       title="Vælg klandring",
                       choices=klandringer_entries)
    if code == d.OK:
        return tag

def create_klandring():
    klandringer.append({"klandrer":"","klandret":"","title":"","description":"","taber":""})
    return edit_klandring(-1)
    

def edit_klandring(strid):
    id = int(strid)
    k = klandringer[id]
    code, elements = d.form("Ændr detaljer om klandring",
                            title="Ændr klandring",
                            elements=[("Titel:",1,1,k["title"],1,11,40,40),
                                      ("Klandrer:",2,1,k["klandrer"],2,11,20,20),
                                      ("Klandret:",3,1,k["klandret"],3,11,20,20),
                                      ("Taber:",4,1,k["taber"],4,11,20,20)])

    if code == d.OK:
        k["title"] = elements[0]
        k["klandrer"] = elements[1]
        k["klandret"] = elements[2]
        k["taber"] = elements[3]
        save()

    return code


def describe_klandring(strid):
    id = int(strid)
    k = klandringer[id]
    code, text = d.editbox_str(k["description"],
                               height=0,
                               width=0,
                               title=k["klandrer"] + " v. " + k["klandret"] + " - " + k["title"])

    if code == d.OK:
        k["description"] = text
        save()
        
    return code

def delete_klandring(strid):
    id = int(strid)
    code = d.yesno("Vil du virkelig slette denne klandring?\n\nDenne handling er ufortrydelig!",
                   title="Slet klandring!",
                   yes_label="Ja",
                   no_label="Nej",)
    if code == d.OK:
        del klandringer[id]
        d.msgbox("Klandringen er slettet!")
        save()

    return code
        
def batch_mode():
    for i,k in enumerate(klandringer):
        code = describe_klandring(i)
        if code != d.OK:
            break
        code = edit_klandring(i)
        if code != d.OK:
            break
        
def save():
    with open("klandringer.json","w") as jsonfile:
        jsonfile.write(json.dumps(complete_klandringer))

###################       
# End klandringer #
###################

def new_date():
    code, pickdate = d.calendar("Vælg en dato")

    if code == d.OK:
        date = str(pickdate[2]).zfill(4) + "-" + str(pickdate[1]).zfill(2) + "-" + str(pickdate[0]).zfill(2)
        complete_klandringer[date] = []
        save()
        return date
    else:
        menu_select_date()
    
###################    
# End definitions #
###################

menu_select_date()