#!/usr/bin/env python

# buypeeb - a program to track yahoo jp auctions of peebus.
# Copyright (C) 2020 lynnesbian

# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.

# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.

# You should have received a copy of the GNU General Public License
# along with this program.  If not, see <https://www.gnu.org/licenses/>.

#hi lynne, peebus here. i love you so much and I think you're doing an excellent job and I'm so proud of you and you're an extremely good partner and please keep being you <3. 0u0\/0u0

import requests, gi
gi.require_version('Gtk', '3.0')
from gi.repository import Gtk
from pebble import ProcessPool

import json, sys
from os import path
from threading import Thread
from datetime import datetime
from concurrent.futures import TimeoutError

import functions
from listing import YahooAuctionsItem, JST
from settings import BuypeebSettings

isWindows = sys.platform.startswith('win')

if isWindows:
	settingsLocation = path.join(os.getenv("APPDATA"), "Lynnear Software", "bypeeb")
else:
	settingsLocation = path.expanduser("~/.config/Lynnear Software/buypeeb/") # dotfiles in ~ need to die. begone dot

class WatchlistUpdater(Thread):
	def __init__(self, app, update_all: bool = False):
		Thread.__init__(self)
		self.app = app
		self.update_all = update_all

	def run(self):
		# TODO: make this happen in parallel
		if self.update_all:
			for id, item in self.app.settings.watchlist.items():
				if not (item.ready or item.updating):
					item.update()

		else:
			for item in self.app.settings.outdated_items():
				if not(item.ready or item.updating):
					item.update()

		self.app.renderList()
class BuypeebApp:

	# SETUP

	def __init__(self):
		self.app = Gtk.Application.new('com.lynnearsoftware.buypeeb', 0)
		self.app.connect('startup', self.startup)
		self.app.connect('activate', self.activate)
		self.app.connect('shutdown', self.shutdown)
		self.window = None
		self.settings = BuypeebSettings(settingsLocation)
		self.builder = None
		self.selected = None

	def run(self, argv):
		self.app.run(argv)

	def startup(self, app):
		builder = Gtk.Builder()
		builder.add_from_string(open(path.join(path.dirname(__file__), "ui/main.glade"), 'r').read())
		builder.connect_signals(self)
		wndMain = builder.get_object('wndMain')
		self.items = builder.get_object('lstItems')
		self.items.clear() # ensure list is empty
		self.window = wndMain
		self.builder = builder
		app.add_window(self.window)
		self.setExchangeRate()

		self.settings.load()
		self.resetSidePane()
		self.renderList()

	def activate(self, app):
		self.window.show_all()
		self.updateItems()

	def shutdown(self, app):
		self.settings.save()
		self.app.quit()

	# CONVENIENCE FUNCTIONS

	def msgBox(self, title, text, form = Gtk.MessageType.WARNING, buttons = Gtk.ButtonsType.OK):
		msgbox = Gtk.MessageDialog(
			parent = self.window,
			flags = 0,
			message_type = form,
			buttons = buttons,
			text = title
		)

		msgbox.format_secondary_text(text)
		response = msgbox.run()
		msgbox.destroy()
		return response

	def entryBox(self, title, text, allow_cancel = True):
		# thanks to https://ardoris.wordpress.com/2008/07/05/pygtk-text-entry-dialog/
		entrybox = Gtk.MessageDialog(
			parent = self.window,
			modal = True,
			destroy_with_parent = True,
			message_type = Gtk.MessageType.QUESTION,
			buttons = Gtk.ButtonsType.OK_CANCEL if allow_cancel else Gtk.ButtonsType.OK,
			title = title
		)

		entrybox.set_markup(text)
		entry = Gtk.Entry()
		entry.connect("activate", self.entryBoxResponse, entrybox, Gtk.ResponseType.OK) # allow for pressing enter instead of clicking OK

		entrybox.vbox.pack_end(entry, True, True, 0)
		entrybox.show_all()

		response = entrybox.run()
		text = entry.get_text()
		entrybox.destroy()
		if response == Gtk.ResponseType.OK:
			return text
		else:
			# user clicked cancel
			return False

	def entryBoxResponse(self, widget, entrybox, response):
		entrybox.response(response)

	def setExchangeRate(self):
		self.rate = functions.get_exchange_rate()

	def updateItems(self, update_all: bool = False):
		updater = WatchlistUpdater(self, update_all)
		updater.start()

	def renderList(self):
		self.items.clear()
		# print(self.settings.watchlist)
		for id, item in self.settings.watchlist.items():
			if item.ready:
				self.items.append([item.name, item.price_aud(self.rate), "...", id])
			else:
				name = item.name
				if name == None:
					name = "Loading..."
				self.items.append([name, "...", "...", id])

		self.updateListTimes()

	def updateListTimes(self):
		now = datetime.now()
		ndate = now.strftime("%d %b")
		for listing in self.items:
			id = listing[3]
			item = self.settings.watchlist[id]
			if item.end_date != None:
				idate, itime = item.end_date.strftime("%d %b"), item.end_date.strftime("%H:%M")
				if idate == ndate:
					listing[2] = itime
				else:
					listing[2] = f"{idate} {itime}"

	def updateSidePane(self, id: str):
		item = self.settings.watchlist[id]
		info = {
			"Name": item.name,
			"YahooName": item.original_name,
			"Price": item.price_jpy(),
			"PriceAUD": item.price_aud(),
			"Ending": item.ending_in(),
			"Bids": item.bids
		}

		for label, contents in info.items():
			self.builder.get_object(f"lblSelected{label}").set_label(contents)

	def resetSidePane(self):
		for label in ["YahooName", "Price", "PriceAUD", "Ending", "Bids"]:
			self.builder.get_object(f"lblSelected{label}").set_label("")

		self.builder.get_object("lblSelectedName").set_label("buypeeb")


	# BUTTON CLICKS

	def btnAddClicked(self, widget):
		url = self.entryBox("Add URL", "Enter the URL of the item you want to add.")
		if url:
			# vry simpl url validation for simpol creachers
			if functions.rmatch(r"http.+yahoo.+", url):
				self.settings.watch(url)
			else:
				self.msgBox("Invalid URL", "The provided URL was invalid.", Gtk.MessageType.ERROR)

		self.renderList()
		self.updateItems()

	def btnClearEndedClicked(self, widget):
		if self.msgBox("Clear ended?", "Are you sure you want to clear all ended items from the watchlist?", buttons = Gtk.ButtonsType.OK_CANCEL) == Gtk.ResponseType.OK:
			for id, item in self.settings.watchlist.items():
				if not item.available:
					del self.settings.watchlist[key]

			self.renderList()

	def btnClearAllClicked(self, widget):
		if self.msgBox("Clear all?", "Are you sure you want to clear all watched items?", buttons = Gtk.ButtonsType.OK_CANCEL) == Gtk.ResponseType.OK:
			self.settings.watchlist = {}
			self.items.clear()

	def btnQuitClicked(self, widget):
		prompt = Gtk.MessageDialog(
			parent = self.window,
			flags = 0,
			message_type = Gtk.MessageType.QUESTION,
			buttons = Gtk.ButtonsType.OK_CANCEL,
			text = "Really quit?"
		)

		prompt.format_secondary_text("Are you sure you want to quit buypeeb?")
		response = prompt.run()
		if response == Gtk.ResponseType.OK:
			self.shutdown(self)

	def btnSelectedRenameClicked(self, widget):
		item = self.settings.watchlist[self.selected]
		name = self.entryBox("Rename", f"Enter a new name for \"{item.name}\".")
		if name:
			item.name = name

		self.renderList() # TODO: only update the changed item

	def btnSelectedRemoveClicked(self, widget):
		del self.settings.watchlist[self.selected]
		self.selected = None
		self.renderList()
		self.resetSidePane()

	# OTHER UI INTERACTIONS

	def tveItemsSelectionChanged(self, selection):
		items, treeIter = selection.get_selected()
		if treeIter == None:
			return
		row = items[treeIter]
		id = row[3]
		self.selected = id
		self.updateSidePane(id)

if __name__ == '__main__':
	app = BuypeebApp()
	app.run(sys.argv)