from typing import Dict, List, Tuple
from typing_extensions import Final

from bemani.backend.reflec.base import ReflecBeatBase

from bemani.common import ID, Time, Profile
from bemani.data import Attempt, UserID
from bemani.protocol import Node


class ReflecBeatVolzzaBase(ReflecBeatBase):

    # Clear types according to the game
    GAME_CLEAR_TYPE_NO_PLAY: Final[int] = 0
    GAME_CLEAR_TYPE_EARLY_FAILED: Final[int] = 1
    GAME_CLEAR_TYPE_FAILED: Final[int] = 2
    GAME_CLEAR_TYPE_CLEARED: Final[int] = 9
    GAME_CLEAR_TYPE_HARD_CLEARED: Final[int] = 10
    GAME_CLEAR_TYPE_S_HARD_CLEARED: Final[int] = 11

    # Combo types according to the game (actually a bitmask, where bit 0 is
    # full combo status, and bit 2 is just reflec status). But we don't support
    # saving just reflec without full combo, so we downgrade it.
    GAME_COMBO_TYPE_NONE: Final[int] = 0
    GAME_COMBO_TYPE_ALL_JUST: Final[int] = 2
    GAME_COMBO_TYPE_FULL_COMBO: Final[int] = 1
    GAME_COMBO_TYPE_FULL_COMBO_ALL_JUST: Final[int] = 3

    def _db_to_game_clear_type(self, db_status: int) -> int:
        return {
            self.CLEAR_TYPE_NO_PLAY: self.GAME_CLEAR_TYPE_NO_PLAY,
            self.CLEAR_TYPE_FAILED: self.GAME_CLEAR_TYPE_FAILED,
            self.CLEAR_TYPE_CLEARED: self.GAME_CLEAR_TYPE_CLEARED,
            self.CLEAR_TYPE_HARD_CLEARED: self.GAME_CLEAR_TYPE_HARD_CLEARED,
            self.CLEAR_TYPE_S_HARD_CLEARED: self.GAME_CLEAR_TYPE_S_HARD_CLEARED,
        }[db_status]

    def _game_to_db_clear_type(self, status: int) -> int:
        return {
            self.GAME_CLEAR_TYPE_NO_PLAY: self.CLEAR_TYPE_NO_PLAY,
            self.GAME_CLEAR_TYPE_EARLY_FAILED: self.CLEAR_TYPE_FAILED,
            self.GAME_CLEAR_TYPE_FAILED: self.CLEAR_TYPE_FAILED,
            self.GAME_CLEAR_TYPE_CLEARED: self.CLEAR_TYPE_CLEARED,
            self.GAME_CLEAR_TYPE_HARD_CLEARED: self.CLEAR_TYPE_HARD_CLEARED,
            self.GAME_CLEAR_TYPE_S_HARD_CLEARED: self.CLEAR_TYPE_S_HARD_CLEARED,
        }[status]

    def _db_to_game_combo_type(self, db_combo: int) -> int:
        return {
            self.COMBO_TYPE_NONE: self.GAME_COMBO_TYPE_NONE,
            self.COMBO_TYPE_ALMOST_COMBO: self.GAME_COMBO_TYPE_NONE,
            self.COMBO_TYPE_FULL_COMBO: self.GAME_COMBO_TYPE_FULL_COMBO,
            self.COMBO_TYPE_FULL_COMBO_ALL_JUST: self.GAME_COMBO_TYPE_FULL_COMBO_ALL_JUST,
        }[db_combo]

    def _game_to_db_combo_type(self, game_combo: int, miss_count: int) -> int:
        if game_combo in [
            self.GAME_COMBO_TYPE_NONE,
            self.GAME_COMBO_TYPE_ALL_JUST,
        ]:
            if miss_count >= 0 and miss_count <= 2:
                return self.COMBO_TYPE_ALMOST_COMBO
            else:
                return self.COMBO_TYPE_NONE
        if game_combo == self.GAME_COMBO_TYPE_FULL_COMBO:
            return self.COMBO_TYPE_FULL_COMBO
        if game_combo == self.GAME_COMBO_TYPE_FULL_COMBO_ALL_JUST:
            return self.COMBO_TYPE_FULL_COMBO_ALL_JUST
        raise Exception(f'Invalid game_combo value {game_combo}')

    def _add_event_info(self, root: Node) -> None:
        # Overridden in subclasses
        pass

    def _add_shop_score(self, root: Node) -> None:
        shop_score = Node.void('shop_score')
        root.add_child(shop_score)
        today = Node.void('today')
        shop_score.add_child(today)
        yesterday = Node.void('yesterday')
        shop_score.add_child(yesterday)

        all_profiles = self.data.local.user.get_all_profiles(self.game, self.version)
        all_attempts = self.data.local.music.get_all_attempts(self.game, self.version, timelimit=(Time.beginning_of_today() - Time.SECONDS_IN_DAY))
        machine = self.data.local.machine.get_machine(self.config.machine.pcbid)
        if machine.arcade is not None:
            lids = [
                machine.id for machine in self.data.local.machine.get_all_machines(machine.arcade)
            ]
        else:
            lids = [machine.id]

        relevant_profiles = [
            profile for profile in all_profiles
            if profile[1].get_int('lid', -1) in lids
        ]

        for (rootnode, timeoffset) in [
            (today, 0),
            (yesterday, Time.SECONDS_IN_DAY),
        ]:
            # Grab all attempts made in the relevant day
            relevant_attempts = [
                attempt for attempt in all_attempts
                if (
                    attempt[1].timestamp >= (Time.beginning_of_today() - timeoffset) and
                    attempt[1].timestamp <= (Time.end_of_today() - timeoffset)
                )
            ]

            # Calculate scores based on attempt
            scores_by_user: Dict[UserID, Dict[int, Dict[int, Attempt]]] = {}
            for (userid, attempt) in relevant_attempts:
                if userid not in scores_by_user:
                    scores_by_user[userid] = {}
                if attempt.id not in scores_by_user[userid]:
                    scores_by_user[userid][attempt.id] = {}
                if attempt.chart not in scores_by_user[userid][attempt.id]:
                    # No high score for this yet, just use this attempt
                    scores_by_user[userid][attempt.id][attempt.chart] = attempt
                else:
                    # If this attempt is better than the stored one, replace it
                    if scores_by_user[userid][attempt.id][attempt.chart].points < attempt.points:
                        scores_by_user[userid][attempt.id][attempt.chart] = attempt

            # Calculate points earned by user in the day
            points_by_user: Dict[UserID, int] = {}
            for userid in scores_by_user:
                points_by_user[userid] = 0
                for mid in scores_by_user[userid]:
                    for chart in scores_by_user[userid][mid]:
                        points_by_user[userid] = points_by_user[userid] + scores_by_user[userid][mid][chart].points

            # Output that day's earned points
            for (userid, profile) in relevant_profiles:
                data = Node.void('data')
                rootnode.add_child(data)
                data.add_child(Node.s16('day_id', int((Time.now() - timeoffset) / Time.SECONDS_IN_DAY)))
                data.add_child(Node.s32('user_id', profile.extid))
                data.add_child(Node.s16('icon_id', profile.get_dict('config').get_int('icon_id')))
                data.add_child(Node.s16('point', min(points_by_user.get(userid, 0), 32767)))
                data.add_child(Node.s32('update_time', Time.now()))
                data.add_child(Node.string('name', profile.get_str('name')))

            rootnode.add_child(Node.s32('time', Time.beginning_of_today() - timeoffset))

    def handle_info_rb5_info_read_request(self, request: Node) -> Node:
        root = Node.void('info')
        self._add_event_info(root)

        return root

    def handle_info_rb5_info_read_hit_chart_request(self, request: Node) -> Node:
        version = request.child_value('ver')

        root = Node.void('info')
        root.add_child(Node.s32('ver', version))
        ranking = Node.void('ranking')
        root.add_child(ranking)

        def add_hitchart(name: str, start: int, end: int, hitchart: List[Tuple[int, int]]) -> None:
            base = Node.void(name)
            ranking.add_child(base)
            base.add_child(Node.s32('bt', start))
            base.add_child(Node.s32('et', end))
            new = Node.void('new')
            base.add_child(new)

            for (mid, plays) in hitchart:
                d = Node.void('d')
                new.add_child(d)
                d.add_child(Node.s16('mid', mid))
                d.add_child(Node.s32('cnt', plays))

        # Weekly hit chart
        add_hitchart(
            'weekly',
            Time.now() - Time.SECONDS_IN_WEEK,
            Time.now(),
            self.data.local.music.get_hit_chart(self.game, self.version, 1024, 7),
        )

        # Monthly hit chart
        add_hitchart(
            'monthly',
            Time.now() - Time.SECONDS_IN_DAY * 30,
            Time.now(),
            self.data.local.music.get_hit_chart(self.game, self.version, 1024, 30),
        )

        # All time hit chart
        add_hitchart(
            'total',
            Time.now() - Time.SECONDS_IN_DAY * 365,
            Time.now(),
            self.data.local.music.get_hit_chart(self.game, self.version, 1024, 365),
        )

        return root

    def handle_info_rb5_info_read_shop_ranking_request(self, request: Node) -> Node:
        start_music_id = request.child_value('min')
        end_music_id = request.child_value('max')

        root = Node.void('info')
        shop_score = Node.void('shop_score')
        root.add_child(shop_score)
        shop_score.add_child(Node.s32('time', Time.now()))

        profiles: Dict[UserID, Profile] = {}
        for songid in range(start_music_id, end_music_id + 1):
            allscores = self.data.local.music.get_all_scores(
                self.game,
                self.version,
                songid=songid,
            )

            for ng in [
                self.CHART_TYPE_BASIC,
                self.CHART_TYPE_MEDIUM,
                self.CHART_TYPE_HARD,
                self.CHART_TYPE_SPECIAL,
            ]:
                scores = sorted(
                    [score for score in allscores if score[1].chart == ng],
                    key=lambda score: score[1].points,
                    reverse=True,
                )

                for i in range(len(scores)):
                    userid, score = scores[i]
                    if userid not in profiles:
                        profiles[userid] = self.get_any_profile(userid)
                    profile = profiles[userid]

                    data = Node.void('data')
                    shop_score.add_child(data)
                    data.add_child(Node.s32('rank', i + 1))
                    data.add_child(Node.s16('music_id', songid))
                    data.add_child(Node.s8('note_grade', score.chart))
                    data.add_child(Node.s8('clear_type', self._db_to_game_clear_type(score.data.get_int('clear_type'))))
                    data.add_child(Node.s32('user_id', profile.extid))
                    data.add_child(Node.s16('icon_id', profile.get_dict('config').get_int('icon_id')))
                    data.add_child(Node.s32('score', score.points))
                    data.add_child(Node.s32('time', score.timestamp))
                    data.add_child(Node.string('name', profile.get_str('name')))

        return root

    def handle_lobby_rb5_lobby_entry_request(self, request: Node) -> Node:
        root = Node.void('lobby')
        root.add_child(Node.s32('interval', 120))
        root.add_child(Node.s32('interval_p', 120))

        # Create a lobby entry for this user
        extid = request.child_value('e/uid')
        userid = self.data.remote.user.from_extid(self.game, self.version, extid)
        if userid is not None:
            profile = self.get_profile(userid)
            info = self.data.local.lobby.get_play_session_info(self.game, self.version, userid)
            if profile is None or info is None:
                return root

            self.data.local.lobby.put_lobby(
                self.game,
                self.version,
                userid,
                {
                    'mid': request.child_value('e/mid'),
                    'ng': request.child_value('e/ng'),
                    'mopt': request.child_value('e/mopt'),
                    'lid': request.child_value('e/lid'),
                    'sn': request.child_value('e/sn'),
                    'pref': request.child_value('e/pref'),
                    'stg': request.child_value('e/stg'),
                    'pside': request.child_value('e/pside'),
                    'eatime': request.child_value('e/eatime'),
                    'ga': request.child_value('e/ga'),
                    'gp': request.child_value('e/gp'),
                    'la': request.child_value('e/la'),
                    'ver': request.child_value('e/ver'),
                }
            )
            lobby = self.data.local.lobby.get_lobby(
                self.game,
                self.version,
                userid,
            )
            root.add_child(Node.s32('eid', lobby.get_int('id')))
            e = Node.void('e')
            root.add_child(e)
            e.add_child(Node.s32('eid', lobby.get_int('id')))
            e.add_child(Node.u16('mid', lobby.get_int('mid')))
            e.add_child(Node.u8('ng', lobby.get_int('ng')))
            e.add_child(Node.s32('uid', profile.extid))
            e.add_child(Node.s32('uattr', profile.get_int('uattr')))
            e.add_child(Node.string('pn', profile.get_str('name')))
            e.add_child(Node.s32('plyid', info.get_int('id')))
            e.add_child(Node.s16('mg', profile.get_int('mg')))
            e.add_child(Node.s32('mopt', lobby.get_int('mopt')))
            e.add_child(Node.string('lid', lobby.get_str('lid')))
            e.add_child(Node.string('sn', lobby.get_str('sn')))
            e.add_child(Node.u8('pref', lobby.get_int('pref')))
            e.add_child(Node.s8('stg', lobby.get_int('stg')))
            e.add_child(Node.s8('pside', lobby.get_int('pside')))
            e.add_child(Node.s16('eatime', lobby.get_int('eatime')))
            e.add_child(Node.u8_array('ga', lobby.get_int_array('ga', 4)))
            e.add_child(Node.u16('gp', lobby.get_int('gp')))
            e.add_child(Node.u8_array('la', lobby.get_int_array('la', 4)))
            e.add_child(Node.u8('ver', lobby.get_int('ver')))

        return root

    def handle_lobby_rb5_lobby_read_request(self, request: Node) -> Node:
        root = Node.void('lobby')
        root.add_child(Node.s32('interval', 120))
        root.add_child(Node.s32('interval_p', 120))

        # Look up all lobbies matching the criteria specified
        ver = request.child_value('var')
        mg = request.child_value('m_grade')  # noqa: F841
        extid = request.child_value('uid')
        limit = request.child_value('max')
        userid = self.data.remote.user.from_extid(self.game, self.version, extid)
        if userid is not None:
            lobbies = self.data.local.lobby.get_all_lobbies(self.game, self.version)
            for (user, lobby) in lobbies:
                if limit <= 0:
                    break

                if user == userid:
                    # If we have our own lobby, don't return it
                    continue
                if ver != lobby.get_int('ver'):
                    # Don't return lobby data for different versions
                    continue

                profile = self.get_profile(user)
                info = self.data.local.lobby.get_play_session_info(self.game, self.version, userid)
                if profile is None or info is None:
                    # No profile info, don't return this lobby
                    return root

                e = Node.void('e')
                root.add_child(e)
                e.add_child(Node.s32('eid', lobby.get_int('id')))
                e.add_child(Node.u16('mid', lobby.get_int('mid')))
                e.add_child(Node.u8('ng', lobby.get_int('ng')))
                e.add_child(Node.s32('uid', profile.extid))
                e.add_child(Node.s32('uattr', profile.get_int('uattr')))
                e.add_child(Node.string('pn', profile.get_str('name')))
                e.add_child(Node.s32('plyid', info.get_int('id')))
                e.add_child(Node.s16('mg', profile.get_int('mg')))
                e.add_child(Node.s32('mopt', lobby.get_int('mopt')))
                e.add_child(Node.string('lid', lobby.get_str('lid')))
                e.add_child(Node.string('sn', lobby.get_str('sn')))
                e.add_child(Node.u8('pref', lobby.get_int('pref')))
                e.add_child(Node.s8('stg', lobby.get_int('stg')))
                e.add_child(Node.s8('pside', lobby.get_int('pside')))
                e.add_child(Node.s16('eatime', lobby.get_int('eatime')))
                e.add_child(Node.u8_array('ga', lobby.get_int_array('ga', 4)))
                e.add_child(Node.u16('gp', lobby.get_int('gp')))
                e.add_child(Node.u8_array('la', lobby.get_int_array('la', 4)))
                e.add_child(Node.u8('ver', lobby.get_int('ver')))

                limit = limit - 1

        return root

    def handle_lobby_rb5_lobby_delete_entry_request(self, request: Node) -> Node:
        eid = request.child_value('eid')
        self.data.local.lobby.destroy_lobby(eid)
        return Node.void('lobby')

    def handle_pcb_rb5_pcb_boot_request(self, request: Node) -> Node:
        shop_id = ID.parse_machine_id(request.child_value('lid'))
        machine = self.get_machine_by_id(shop_id)
        if machine is not None:
            machine_name = machine.name
            close = machine.data.get_bool('close')
            hour = machine.data.get_int('hour')
            minute = machine.data.get_int('minute')
        else:
            machine_name = ''
            close = False
            hour = 0
            minute = 0

        root = Node.void('pcb')
        sinfo = Node.void('sinfo')
        root.add_child(sinfo)
        sinfo.add_child(Node.string('nm', machine_name))
        sinfo.add_child(Node.bool('cl_enbl', close))
        sinfo.add_child(Node.u8('cl_h', hour))
        sinfo.add_child(Node.u8('cl_m', minute))
        sinfo.add_child(Node.bool('shop_flag', True))
        return root

    def handle_pcb_rb5_pcb_error_request(self, request: Node) -> Node:
        return Node.void('pcb')

    def handle_pcb_rb5_pcb_update_request(self, request: Node) -> Node:
        return Node.void('pcb')

    def handle_shop_rb5_shop_write_setting_request(self, request: Node) -> Node:
        return Node.void('shop')

    def handle_shop_rb5_shop_write_info_request(self, request: Node) -> Node:
        self.update_machine_name(request.child_value('sinfo/nm'))
        self.update_machine_data({
            'close': request.child_value('sinfo/cl_enbl'),
            'hour': request.child_value('sinfo/cl_h'),
            'minute': request.child_value('sinfo/cl_m'),
            'pref': request.child_value('sinfo/prf'),
        })
        return Node.void('shop')

    def handle_player_rb5_player_start_request(self, request: Node) -> Node:
        root = Node.void('player')

        # Create a new play session based on info from the request
        refid = request.child_value('rid')
        userid = self.data.remote.user.from_refid(self.game, self.version, refid)
        if userid is not None:
            self.data.local.lobby.put_play_session_info(
                self.game,
                self.version,
                userid,
                {
                    'ga': request.child_value('ga'),
                    'gp': request.child_value('gp'),
                    'la': request.child_value('la'),
                    'pnid': request.child_value('pnid'),
                },
            )
            info = self.data.local.lobby.get_play_session_info(
                self.game,
                self.version,
                userid,
            )
            if info is not None:
                play_id = info.get_int('id')
            else:
                play_id = 0
        else:
            play_id = 0

        # Session stuff, and resend global defaults
        root.add_child(Node.s32('plyid', play_id))
        root.add_child(Node.u64('start_time', Time.now() * 1000))
        self._add_event_info(root)

        return root

    def handle_player_rb5_player_end_request(self, request: Node) -> Node:
        # Destroy play session based on info from the request
        refid = request.child_value('rid')
        userid = self.data.remote.user.from_refid(self.game, self.version, refid)
        if userid is not None:
            # Kill any lingering lobbies by this user
            lobby = self.data.local.lobby.get_lobby(
                self.game,
                self.version,
                userid,
            )
            if lobby is not None:
                self.data.local.lobby.destroy_lobby(lobby.get_int('id'))
            self.data.local.lobby.destroy_play_session_info(self.game, self.version, userid)

        return Node.void('player')

    def handle_player_rb5_player_delete_request(self, request: Node) -> Node:
        return Node.void('player')

    def handle_player_rb5_player_succeed_request(self, request: Node) -> Node:
        refid = request.child_value('rid')
        userid = self.data.remote.user.from_refid(self.game, self.version, refid)
        if userid is not None:
            previous_version = self.previous_version()
            profile = previous_version.get_profile(userid)
        else:
            profile = None

        root = Node.void('player')

        if profile is None:
            # Return empty succeed to say this is new
            root.add_child(Node.string('name', ''))
            root.add_child(Node.s32('grd', -1))
            root.add_child(Node.s32('ap', -1))
            root.add_child(Node.s32('uattr', 0))
        else:
            # Return previous profile formatted to say this is data succession
            root.add_child(Node.string('name', profile.get_str('name')))
            root.add_child(Node.s32('grd', profile.get_int('mg')))  # This is a guess
            root.add_child(Node.s32('ap', profile.get_int('ap')))
            root.add_child(Node.s32('uattr', profile.get_int('uattr')))
        return root

    def handle_player_rb5_player_read_request(self, request: Node) -> Node:
        refid = request.child_value('rid')
        profile = self.get_profile_by_refid(refid)
        if profile:
            return profile
        return Node.void('player')