# Released under the MIT License. See LICENSE for details.
#
"""UI functionality for unlinking accounts."""

from __future__ import annotations

import time
from typing import TYPE_CHECKING

import _ba
import ba

if TYPE_CHECKING:
    from typing import Any, Optional, Tuple, Dict


class AccountUnlinkWindow(ba.Window):
    """A window to kick off account unlinks."""

    def __init__(self, origin_widget: ba.Widget = None):
        scale_origin: Optional[Tuple[float, float]]
        if origin_widget is not None:
            self._transition_out = 'out_scale'
            scale_origin = origin_widget.get_screen_space_center()
            transition = 'in_scale'
        else:
            self._transition_out = 'out_right'
            scale_origin = None
            transition = 'in_right'
        bg_color = (0.4, 0.4, 0.5)
        self._width = 540
        self._height = 350
        self._scroll_width = 400
        self._scroll_height = 200
        uiscale = ba.app.ui.uiscale
        base_scale = (2.0 if uiscale is ba.UIScale.SMALL else
                      1.6 if uiscale is ba.UIScale.MEDIUM else 1.1)
        super().__init__(root_widget=ba.containerwidget(
            size=(self._width, self._height),
            transition=transition,
            scale=base_scale,
            scale_origin_stack_offset=scale_origin,
            stack_offset=(0, -10) if uiscale is ba.UIScale.SMALL else (0, 0)))
        self._cancel_button = ba.buttonwidget(parent=self._root_widget,
                                              position=(30, self._height - 50),
                                              size=(50, 50),
                                              scale=0.7,
                                              label='',
                                              color=bg_color,
                                              on_activate_call=self._cancel,
                                              autoselect=True,
                                              icon=ba.gettexture('crossOut'),
                                              iconscale=1.2)
        ba.textwidget(
            parent=self._root_widget,
            position=(self._width * 0.5, self._height * 0.88),
            size=(0, 0),
            text=ba.Lstr(
                resource='accountSettingsWindow.unlinkAccountsInstructionsText'
            ),
            maxwidth=self._width * 0.7,
            color=ba.app.ui.infotextcolor,
            h_align='center',
            v_align='center')
        ba.containerwidget(edit=self._root_widget,
                           cancel_button=self._cancel_button)

        self._scrollwidget = ba.scrollwidget(
            parent=self._root_widget,
            highlight=False,
            position=((self._width - self._scroll_width) * 0.5,
                      self._height - 85 - self._scroll_height),
            size=(self._scroll_width, self._scroll_height))
        ba.containerwidget(edit=self._scrollwidget, claims_left_right=True)
        self._columnwidget = ba.columnwidget(parent=self._scrollwidget,
                                             border=2,
                                             margin=0,
                                             left_border=10)

        our_login_id = _ba.get_public_login_id()
        if our_login_id is None:
            entries = []
        else:
            account_infos = _ba.get_account_misc_read_val_2(
                'linkedAccounts2', [])
            entries = [{
                'name': ai['d'],
                'id': ai['id']
            } for ai in account_infos if ai['id'] != our_login_id]

        # (avoid getting our selection stuck on an empty column widget)
        if not entries:
            ba.containerwidget(edit=self._scrollwidget, selectable=False)
        for i, entry in enumerate(entries):
            txt = ba.textwidget(parent=self._columnwidget,
                                selectable=True,
                                text=entry['name'],
                                size=(self._scroll_width - 30, 30),
                                autoselect=True,
                                click_activate=True,
                                on_activate_call=ba.Call(
                                    self._on_entry_selected, entry))
            ba.widget(edit=txt, left_widget=self._cancel_button)
            if i == 0:
                ba.widget(edit=txt, up_widget=self._cancel_button)

    def _on_entry_selected(self, entry: Dict[str, Any]) -> None:
        ba.screenmessage(ba.Lstr(resource='pleaseWaitText',
                                 fallback_resource='requestingText'),
                         color=(0, 1, 0))
        _ba.add_transaction({
            'type': 'ACCOUNT_UNLINK_REQUEST',
            'accountID': entry['id'],
            'expire_time': time.time() + 5
        })
        _ba.run_transactions()
        ba.containerwidget(edit=self._root_widget,
                           transition=self._transition_out)

    def _cancel(self) -> None:
        ba.containerwidget(edit=self._root_widget,
                           transition=self._transition_out)
