#!/usr/bin/python
#
# Custom twitter client... mostly for learning Python

import sys, twitter, Tkinter, Pmw, ConfigParser, os


class TwitWindow:

    """ Display Tweets, post to twitter """

    def __init__(self):
        config = ConfigParser.ConfigParser()
        config.read(os.path.expanduser("~/.mytwitter"))
        self.username = config.get('global', 'username')
        self.password = config.get('global', 'password')
        self.num_entries = int(config.get('global', 'entries'))
        self.refresh_time = int(config.get('global', 'refreshtime'))

        self.labels = []
        self.texts = []


    def create_window(self):
        self.tkroot = Tkinter.Tk()
        self.tkroot.title("MyTwitter")
        Pmw.initialise(self.tkroot)
        self.tkroot.grid_columnconfigure(0, weight=1)

        # Create the scrolled frame that will hold the tweets
        self.tweet_view = Pmw.ScrolledFrame(self.tkroot, hscrollmode='none', horizflex='elastic')
        self.tweet_view.grid(row=0)

        # Create labels and text widgets
        for i in range(0, self.num_entries):
            self.labels.append(Tkinter.Label(self.tweet_view.interior()))
            self.labels[i].pack(expand=False, fill=Tkinter.X)
            self.texts.append(Tkinter.Label(self.tweet_view.interior()))
            self.texts[i].pack(expand=False, fill=Tkinter.X)
            self.labels[i].config(bg="#07c", fg="white", anchor=Tkinter.W)
            self.texts[i].config(bg="#eff", fg="black", height=3, anchor=Tkinter.NW, justify=Tkinter.LEFT, wraplength=375)

        # A button to refresh manually
        self.button_box = Tkinter.Frame(self.tkroot)
        self.button_box.grid(row=1, sticky=Tkinter.W)
        self.refresh_button = Tkinter.Button(self.button_box, text="Refresh", command=self.update_window)
        self.refresh_button.grid(row=0, sticky=Tkinter.W)

        # Create an update box at the bottom of the window
        self.update_box = Tkinter.Frame(self.tkroot)
        self.update_box.grid(row=2, sticky=Tkinter.W)
        self.update_entry = Tkinter.Entry(self.update_box)
        self.update_entry.grid(row=0, sticky=Tkinter.W)
        self.update_box.grid_columnconfigure(0, weight=1)
        self.update_button = Tkinter.Button(self.update_box, text="Update", command=self.update_status)
        self.update_button.grid(row=0, column=1, sticky=Tkinter.W)

        ### Set up bindings

        # Bind scrollwheel to move the tweets.  Might as well allow scrollwheel
        # from anywhere, so we'll bind to tkroot
        self.tkroot.bind("<Button-4>", self.scroll_wheel);
        self.tkroot.bind("<Button-5>", self.scroll_wheel);

        self.update_entry.bind('<Return>', self.update_status_callback)
        self.tkroot.bind("<Prior>", self.page_up);
        self.tkroot.bind("<Next>", self.page_down);


        # Init the twitter API and start up the main loop
        self.api = twitter.Api(username=self.username, password=self.password)
        self.update_window()
        self.tkroot.mainloop()


    def update_window(self) :
        statuses = self.api.GetFriendsTimeline(self.username, count=self.num_entries)
        for i in range(0, self.num_entries):
            if i < len(statuses):
                # Update the label with the user's name and screen name
                user = statuses[i].user
                labeltext = user.name + " (" + user.screen_name + ")"
                self.labels[i].config(text=labeltext)

                # Display the text of the tweet
                self.texts[i].config(text=statuses[i].text)

        self.timer = self.tkroot.after(self.refresh_time * 1000, self.update_window)



    def update_status(self):
        text = self.update_entry.get()
        self.update_entry.delete(0, Tkinter.END)
        self.api.PostUpdate(text)
        self.update_window()
        

    # Just calls update_status, here so that things
    # that pass an event can be used
    def update_status_callback(self, event):
        self.update_status()


    def scroll_wheel(self, event):
        if event.num == 4:
            self.tweet_view.yview('scroll', -5, 'units');
        if event.num == 5:
            self.tweet_view.yview('scroll', 5, 'units');


    def page_up(self, event):
        self.tweet_view.yview('scroll', -15, 'units');

    def page_down(self, event):
        self.tweet_view.yview('scroll', 15, 'units');

### end class TwitWindow



def print_lists():
    data = api.GetUserLists()
    for l in data['lists']:
        print l.name

def print_statuses_list():
    statuses = api.GetListStatuses(sys.argv[2])
    print_formatted(statuses)

def print_statuses():
    statuses = api.GetFriendsTimeline(username)
    print_formatted(statuses)

def print_formatted(statuses):
    for s in statuses:
        print s.user.name.encode("utf-8"), "(", s.user.screen_name, ") :"
        print s.text.encode("utf-8")
        print


# Do the action!
# arg = ""
# if len(sys.argv) > 1:
#     arg = sys.argv[1]

# actions = {
#     "show_lists": print_lists,
#     "list": print_statuses_list,
#     }

# actions.get(arg, print_statuses)()


# main
win = TwitWindow()
win.create_window()