import time
import RNS

from kivy.metrics import dp
from kivy.uix.boxlayout import BoxLayout
from kivy.properties import StringProperty, BooleanProperty
from kivymd.uix.list import MDList, IconLeftWidget, IconRightWidget, OneLineAvatarIconListItem
from kivymd.uix.menu import MDDropdownMenu
from kivy.uix.gridlayout import GridLayout
from kivy.uix.boxlayout import BoxLayout
from kivy.clock import Clock

from kivymd.uix.button import MDFlatButton
from kivymd.uix.dialog import MDDialog

if RNS.vendor.platformutils.get_platform() == "android":
    from ui.helpers import ts_format
else:
    from .helpers import ts_format

class Announces():
    def __init__(self, app):
        self.app = app
        self.context_dests = []
        self.added_item_dests = []
        self.list = None
        self.fetch_announces()
        self.list = MDList()
        # self.update()

    def fetch_announces(self):
        self.announces = self.app.sideband.list_announces()

    def reload(self):
        self.clear_list()
        self.update()

    def clear_list(self):
        if self.list != None:
            self.list.clear_widgets()

        self.context_dests = []
        self.added_item_dests = []

    def update(self):
        us = time.time()
        self.fetch_announces()
        self.update_widget()
        self.app.sideband.setstate("app.flags.new_announces", False)
        RNS.log("Updated announce stream widgets in "+RNS.prettytime(time.time()-us), RNS.LOG_DEBUG)

    def update_widget(self):
        if self.list == None:
            self.list = MDList()

        remove_widgets = []
        for item in self.list.children:
            if not item.sb_uid in (a["dest"] for a in self.announces):
                remove_widgets.append(item)
            
            else:
                for announce in self.announces:
                    if announce["dest"] == item.sb_uid:
                        if announce["time"] > item.ts:
                            remove_widgets.append(item)
                            break

        for item in remove_widgets:
            if item.sb_uid in self.added_item_dests:
                self.added_item_dests.remove(item.sb_uid)
            self.list.remove_widget(item)

        for announce in self.announces:
            context_dest = announce["dest"]
            ts = announce["time"]
            a_data = announce["data"]
            dest_type = announce["type"]

            if not context_dest in self.added_item_dests:
                if self.app.sideband.is_trusted(context_dest):
                    trust_icon = "account-check"
                else:
                    trust_icon = "account-question"

                def gen_info(ts, dest, name, dtype):
                    def x(sender):
                        yes_button = MDFlatButton(
                            text="OK",
                        )
                        
                        if dtype == "lxmf.delivery":
                            ad_text = "[size=22dp]LXMF Peer[/size]\n\nReceived: "+ts+"\nAnnounced Name: "+name+"\nAddress: "+RNS.prettyhexrep(dest)

                        if dtype == "lxmf.propagation":
                            ad_text = "[size=22dp]LXMF Propagation Node[/size]\n\nReceived: "+ts+"\nAddress: "+RNS.prettyhexrep(dest)

                        dialog = MDDialog(
                            text=ad_text,
                            buttons=[ yes_button ],
                            # elevation=0,
                        )
                        def dl_yes(s):
                            dialog.dismiss()

                        yes_button.bind(on_release=dl_yes)
                        item.dmenu.dismiss()
                        dialog.open()
                    return x

                time_string = time.strftime(ts_format, time.localtime(ts))

                if dest_type == "lxmf.delivery":
                    disp_name = self.app.sideband.peer_display_name(context_dest)
                    iconl = IconLeftWidget(icon=trust_icon)

                elif dest_type == "lxmf.propagation":
                    disp_name = "Propagation Node "+RNS.prettyhexrep(context_dest)
                    iconl = IconLeftWidget(icon="upload-network")

                else:
                    disp_name = "Unknown Announce"
                    iconl = IconLeftWidget(icon="progress-question")

                item = OneLineAvatarIconListItem(text=time_string+": "+disp_name, on_release=gen_info(time_string, context_dest, a_data, dest_type))
                item.add_widget(iconl)
                item.sb_uid = context_dest
                item.ts = ts

                def gen_del(dest, item):
                    def x():
                        yes_button = MDFlatButton(
                            text="Yes",
                        )
                        no_button = MDFlatButton(
                            text="No",
                        )
                        dialog = MDDialog(
                            text="Delete announce?",
                            buttons=[ yes_button, no_button ],
                            # elevation=0,
                        )
                        def dl_yes(s):
                            dialog.dismiss()
                            def cb(dt):
                                self.app.sideband.delete_announce(dest)
                                self.update()
                            Clock.schedule_once(cb, 0.2)
                        def dl_no(s):
                            dialog.dismiss()

                        yes_button.bind(on_release=dl_yes)
                        no_button.bind(on_release=dl_no)
                        item.dmenu.dismiss()
                        dialog.open()
                    return x

                def gen_conv(dest, item):
                    def x():
                        item.dmenu.dismiss()
                        self.app.conversation_from_announce_action(dest)
                    return x

                def gen_set_node(dest, item):
                    def x():
                        item.dmenu.dismiss()
                        self.app.sideband.set_active_propagation_node(dest)
                        self.app.sideband.config["lxmf_propagation_node"] = dest
                        self.app.sideband.save_configuration()
                    return x

                if dest_type == "lxmf.delivery":
                    dm_items = [
                        {
                            "viewclass": "OneLineListItem",
                            "text": "Converse",
                            "height": dp(40),
                            "on_release": gen_conv(context_dest, item)
                        },
                        {
                            "text": "Delete Announce",
                            "viewclass": "OneLineListItem",
                            "height": dp(40),
                            "on_release": gen_del(context_dest, item)
                        }
                    ]

                elif dest_type == "lxmf.propagation":
                    dm_items = [
                        {
                            "viewclass": "OneLineListItem",
                            "text": "Use this Propagation Node",
                            "height": dp(40),
                            "on_release": gen_set_node(context_dest, item)
                        },
                        {
                            "text": "Delete Announce",
                            "viewclass": "OneLineListItem",
                            "height": dp(40),
                            "on_release": gen_del(context_dest, item)
                        }
                    ]

                else:
                    dm_items = []

                item.iconr = IconRightWidget(icon="dots-vertical");
                
                item.dmenu = MDDropdownMenu(
                    caller=item.iconr,
                    items=dm_items,
                    position="center",
                    width_mult=4,
                    elevation=1,
                    radius=dp(3),
                )

                def callback_factory(ref):
                    def x(sender):
                        ref.dmenu.open()
                    return x

                item.iconr.bind(on_release=callback_factory(item))
                item.add_widget(item.iconr)
                
                self.added_item_dests.append(context_dest)
                self.list.add_widget(item, index=len(self.list.children))

    def get_widget(self):
        return self.list