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


class NewConv(BoxLayout):
    pass


class MsgSync(BoxLayout):
    pass


class ConvSettings(BoxLayout):
    disp_name = StringProperty()
    trusted = BooleanProperty()


class Conversations():
    def __init__(self, app):
        self.app = app
        self.context_dests = []
        self.added_item_dests = []
        self.list = None
        self.update()

    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):
        if self.app.sideband.getstate("app.flags.unread_conversations"):
            self.clear_list()
        
        self.context_dests = self.app.sideband.list_conversations()
        self.update_widget()

        self.app.sideband.setstate("app.flags.unread_conversations", False)
        self.app.sideband.setstate("app.flags.new_conversations", False)

    def update_widget(self):
        if self.list == None:
            self.list = MDList()
            
        for conv in self.context_dests:
            context_dest = conv["dest"]
            unread = conv["unread"]

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

                iconl = IconLeftWidget(icon=trust_icon, on_release=self.app.conversation_action)
                item = OneLineAvatarIconListItem(text=self.app.sideband.peer_display_name(context_dest), on_release=self.app.conversation_action)
                item.add_widget(iconl)
                item.sb_uid = context_dest
                iconl.sb_uid = context_dest

                def gen_edit(dest, item):
                    def x():
                        try:
                            disp_name = self.app.sideband.raw_display_name(dest)
                            is_trusted = self.app.sideband.is_trusted(dest)

                            yes_button = MDFlatButton(
                                text="Save",
                                font_size=dp(20),
                            )
                            no_button = MDFlatButton(
                                text="Cancel",
                                font_size=dp(20),
                            )
                            dialog_content = ConvSettings(disp_name=disp_name, trusted=is_trusted)
                            dialog = MDDialog(
                                title="Conversation with "+RNS.prettyhexrep(dest),
                                type="custom",
                                content_cls=dialog_content,
                                buttons=[ yes_button, no_button ],
                            )
                            dialog.d_content = dialog_content
                            def dl_yes(s):
                                try:
                                    name = dialog.d_content.ids["name_field"].text
                                    trusted = dialog.d_content.ids["trusted_switch"].active
                                    if trusted:
                                        RNS.log("Setting Trusted "+str(trusted))
                                        self.app.sideband.trusted_conversation(dest)
                                    else:
                                        RNS.log("Setting Untrusted "+str(trusted))
                                        self.app.sideband.untrusted_conversation(dest)

                                    RNS.log("Name="+name)
                                    self.app.sideband.named_conversation(name, dest)

                                except Exception as e:
                                    RNS.log("Error while saving conversation settings: "+str(e), RNS.LOG_ERROR)

                                dialog.dismiss()
                                self.reload()

                            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()
                        except Exception as e:
                            RNS.log("Error while creating conversation settings: "+str(e), RNS.LOG_ERROR)

                    return x

                def gen_clear(dest, item):
                    def x():
                        yes_button = MDFlatButton(
                            text="Yes",
                        )
                        no_button = MDFlatButton(
                            text="No",
                        )
                        dialog = MDDialog(
                            text="Clear all messages in conversation?",
                            buttons=[ yes_button, no_button ],
                        )
                        def dl_yes(s):
                            dialog.dismiss()
                            self.app.sideband.clear_conversation(dest)
                        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_del(dest, item):
                    def x():
                        yes_button = MDFlatButton(
                            text="Yes",
                        )
                        no_button = MDFlatButton(
                            text="No",
                        )
                        dialog = MDDialog(
                            text="Delete conversation?",
                            buttons=[ yes_button, no_button ],
                        )
                        def dl_yes(s):
                            dialog.dismiss()
                            self.app.sideband.delete_conversation(dest)
                            self.reload()
                        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

                dm_items = [
                    {
                        "viewclass": "OneLineListItem",
                        "text": "Edit",
                        "height": dp(40),
                        "on_release": gen_edit(context_dest, item)
                    },
                    {
                        "text": "Clear Messages",
                        "viewclass": "OneLineListItem",
                        "height": dp(40),
                        "on_release": gen_clear(context_dest, item)
                    },
                    {
                        "text": "Delete Conversation",
                        "viewclass": "OneLineListItem",
                        "height": dp(40),
                        "on_release": gen_del(context_dest, item)
                    }
                ]

                item.iconr = IconRightWidget(icon="dots-vertical");
                
                item.dmenu = MDDropdownMenu(
                    caller=item.iconr,
                    items=dm_items,
                    position="auto",
                    width_mult=4,
                )

                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)

    def get_widget(self):
        return self.list