# -------------------------------------------------------------------------
# Copyright (c) 2025 Huawei Technologies Co., Ltd.
# This file is part of the MindStudio project.
#
# MindStudio is licensed under Mulan PSL v2.
# You can use this software according to the terms and conditions of the Mulan PSL v2.
# You may obtain a copy of Mulan PSL v2 at:
#
#    http://license.coscl.org.cn/MulanPSL2
#
# THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
# EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
# MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
# See the Mulan PSL v2 for more details.
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from collections import defaultdict
from typing import Any, Dict, List, Set, Tuple

from common_func.constant import Constant
from common_func.db_name_constant import DBNameConstant
from common_func.ms_constant.str_constant import StrConstant
from common_func.msvp_common import path_check, is_number
from common_func.path_manager import PathManager
from msmodel.interface.view_model import ViewModel
from common_func.info_conf_reader import InfoConfReader
from common_func.trace_view_manager import TraceViewManager
from common_func.ms_constant.number_constant import NumberConstant
from common_func.trace_view_header_constant import TraceViewHeaderConstant


class HostToDevice:
    """Connect CANN Node@launch api to corresponding device tasks/HCCL OP."""
    API_TYPE = 'api'
    MODULE_MSPROFTX = 'msprof_tx'
    MODULE_TASK_TIME = 'task_time'
    MODULE_HCCL = 'communication'
    NODE_LAUNCH = "Node@launch"

    def __init__(self, result_dir: str) -> None:
        self._result_dir = result_dir
        # 没有api数据时没必要增加连线
        self.exist_api = False

    @staticmethod
    def is_node_launch(api_trace: Dict[str, Any]) -> bool:
        """
        check if some trace is the start of flow event, that is, it's Node@launch
        :param api_trace: api trace as json
        :return: bool
        """
        return api_trace.get("name") == HostToDevice.NODE_LAUNCH

    @staticmethod
    def is_hccl_trace(api_trace: Dict[str, Any], hccl_conn_ids: Set[int]) -> bool:
        connection_id = api_trace.get("args", {}).get("connection_id", Constant.DEFAULT_INVALID_VALUE)
        return connection_id in hccl_conn_ids

    @staticmethod
    def get_cann_pid():
        pid = InfoConfReader().get_json_pid_data()
        # Connection 字段实际未用到
        layer_info = TraceViewHeaderConstant.LayerInfo("Connection", TraceViewHeaderConstant.GENERAL_LAYER_CPU,
                                                       TraceViewHeaderConstant.LAYER_CANN_SORT)
        format_pid = TraceViewManager.get_format_pid(pid, layer_info)
        return format_pid

    @staticmethod
    def get_start_points(api_trace: Dict[str, Any], conn_to_ctxes: Dict[int, List[int]]) -> List[Dict[str, Any]]:
        """
        calculate start points of host to device connection for a single api trace
        :param api_trace: api trace as json
        :param conn_to_ctxes: connection id to ctx_ids map
        :return: start point
        """
        start_time = api_trace.get('ts', '0')
        connection_id = api_trace.get("args", {}).get("connection_id", Constant.DEFAULT_INVALID_VALUE)
        context_ids = conn_to_ctxes.get(connection_id, [Constant.DEFAULT_INVALID_VALUE])
        return [
            {
                TraceViewHeaderConstant.TRACE_HEADER_NAME: f'HostToDevice{(connection_id << 32) + ctx_id}',
                TraceViewHeaderConstant.TRACE_HEADER_PH: 's',
                TraceViewHeaderConstant.TRACE_HEADER_CAT: StrConstant.HOST_TO_DEVICE,
                TraceViewHeaderConstant.TRACE_HEADER_ID: str((connection_id << 32) + ctx_id),
                TraceViewHeaderConstant.TRACE_HEADER_PID: api_trace.get(TraceViewHeaderConstant.TRACE_HEADER_PID),
                TraceViewHeaderConstant.TRACE_HEADER_TID: api_trace.get(TraceViewHeaderConstant.TRACE_HEADER_TID),
                TraceViewHeaderConstant.TRACE_HEADER_TS: start_time
            }
            for ctx_id in context_ids
        ]

    @staticmethod
    def add_task_connection_data(traces: List[Dict[str, Any]], cann_pid: int,
                                 node_tasks: Dict[Tuple[int, int, int, int], Tuple[int, int]],
                                 device_id: int) -> None:
        if not isinstance(traces, list):
            return
        tmp_list = []
        for trace in traces:
            trace_args = trace.get('args', {})
            stream_id = trace_args.get("Physic Stream Id")
            task_id = trace_args.get("Task Id")
            batch_id = trace_args.get("Batch Id")
            context_id: int = trace_args.get("Subtask Id", Constant.DEFAULT_INVALID_VALUE)
            if (device_id, stream_id, task_id, batch_id) not in node_tasks:
                continue
            host_task_tid, host_task_ts = node_tasks[(device_id, stream_id, task_id, batch_id)]
            pid = trace.get(TraceViewHeaderConstant.TRACE_HEADER_PID)
            tid = trace.get(TraceViewHeaderConstant.TRACE_HEADER_TID)

            # 由于同一个Node下面可能出现多个Task，使用device_id、 stream_id、task_id、batch_id、context_id来作为连线的唯一标识
            # |---6bit--|---16bit--|---16bit---|---16bit---|---32bit---|
            #  device_id  stream_id   task_id     batch_id   context_id
            connection_id = (device_id << 80) + (stream_id << 64) + (task_id << 48) + (batch_id << 32) + context_id
            host_task_ts = InfoConfReader().trans_into_local_time(
                InfoConfReader().time_from_host_syscnt(host_task_ts, NumberConstant.MICRO_SECOND),
                use_us=True, is_host=True)

            connect_start = {
                TraceViewHeaderConstant.TRACE_HEADER_NAME: f'HostToDevice{connection_id}',
                TraceViewHeaderConstant.TRACE_HEADER_PH: 's',
                TraceViewHeaderConstant.TRACE_HEADER_CAT: StrConstant.HOST_TO_DEVICE,
                TraceViewHeaderConstant.TRACE_HEADER_ID: str(connection_id),
                TraceViewHeaderConstant.TRACE_HEADER_PID: cann_pid,
                TraceViewHeaderConstant.TRACE_HEADER_TID: host_task_tid,
                TraceViewHeaderConstant.TRACE_HEADER_TS: host_task_ts
            }
            connect_end = {
                TraceViewHeaderConstant.TRACE_HEADER_NAME: f'HostToDevice{connection_id}',
                TraceViewHeaderConstant.TRACE_HEADER_PH: 'f',
                TraceViewHeaderConstant.TRACE_HEADER_ID: str(connection_id),
                TraceViewHeaderConstant.TRACE_HEADER_TS: trace.get(TraceViewHeaderConstant.TRACE_HEADER_TS),
                TraceViewHeaderConstant.TRACE_HEADER_CAT: StrConstant.HOST_TO_DEVICE,
                TraceViewHeaderConstant.TRACE_HEADER_PID: pid,
                TraceViewHeaderConstant.TRACE_HEADER_TID: tid,
                TraceViewHeaderConstant.TRACE_HEADER_BP: 'e',
            }
            tmp_list.append(connect_start)
            tmp_list.append(connect_end)
        traces.extend(tmp_list)

    @staticmethod
    def add_hccl_end_points(traces: List[Dict[str, Any]]) -> None:
        """
        add end points for host to device connection
        :param traces: hccl traces as json list
        :return: None
        """
        if not isinstance(traces, list):
            return
        tmp_list = []
        for trace in traces:
            trace_args = trace.get('args', {})
            connection_id = trace_args.get('connection_id', Constant.DEFAULT_INVALID_VALUE)
            if connection_id == Constant.DEFAULT_INVALID_VALUE:
                continue
            context_id: int = trace_args.get("Subtask Id", Constant.DEFAULT_INVALID_VALUE)
            pid = trace.get(TraceViewHeaderConstant.TRACE_HEADER_PID)
            tid = trace.get(TraceViewHeaderConstant.TRACE_HEADER_TID)
            connect_dict = {
                TraceViewHeaderConstant.TRACE_HEADER_NAME: f'HostToDevice{(connection_id << 32) + context_id}',
                TraceViewHeaderConstant.TRACE_HEADER_PH: 'f',
                TraceViewHeaderConstant.TRACE_HEADER_ID: str((connection_id << 32) + context_id),
                TraceViewHeaderConstant.TRACE_HEADER_TS: trace.get(TraceViewHeaderConstant.TRACE_HEADER_TS),
                TraceViewHeaderConstant.TRACE_HEADER_CAT: StrConstant.HOST_TO_DEVICE,
                TraceViewHeaderConstant.TRACE_HEADER_PID: pid,
                TraceViewHeaderConstant.TRACE_HEADER_TID: tid,
                TraceViewHeaderConstant.TRACE_HEADER_BP: 'e',
            }
            tmp_list.append(connect_dict)
        traces.extend(tmp_list)

    @staticmethod
    def add_msproftx_ex_start_points(traces: List[Dict[str, Any]]) -> None:
        if not isinstance(traces, list):
            return
        tmp_list = []
        for trace in traces:
            trace_args = trace.get('args', {})
            mark_id = trace_args.get('mark_id', NumberConstant.UINT64_MAX)
            if mark_id == NumberConstant.UINT64_MAX:
                continue
            del trace_args['mark_id']
            pid = trace.get(TraceViewHeaderConstant.TRACE_HEADER_PID)
            tid = trace.get(TraceViewHeaderConstant.TRACE_HEADER_TID)
            connect_dict = {
                TraceViewHeaderConstant.TRACE_HEADER_NAME: f'MsTx_{mark_id}',
                TraceViewHeaderConstant.TRACE_HEADER_PH: 's',
                TraceViewHeaderConstant.TRACE_HEADER_ID: str(mark_id),
                TraceViewHeaderConstant.TRACE_HEADER_TS: trace.get(TraceViewHeaderConstant.TRACE_HEADER_TS),
                TraceViewHeaderConstant.TRACE_HEADER_CAT: StrConstant.MSTX,
                TraceViewHeaderConstant.TRACE_HEADER_PID: pid,
                TraceViewHeaderConstant.TRACE_HEADER_TID: tid,
                TraceViewHeaderConstant.TRACE_HEADER_BP: 'e',
            }
            tmp_list.append(connect_dict)
        traces.extend(tmp_list)

    def add_hccl_start_points(self, api_traces: List[Dict[str, Any]],
                              conn_to_ctxes: Dict[int, List[int]], hccl_conn_ids: Set[int]) -> None:
        """
        add start points to api traces for host to device connection
        to do this, we need task info from host side
        this is bad design BTW
        :param api_traces: api traces as json list
        :param conn_to_ctxes: connection id to ctx_ids map
        :param hccl_conn_ids: hccl ops connection id set
        :return: None
        """
        if not isinstance(api_traces, list):
            return
        tmp_list = []
        for api_trace in api_traces:
            # only add start point for hccl op
            if HostToDevice.is_node_launch(api_trace) and \
                    HostToDevice.is_hccl_trace(api_trace, hccl_conn_ids):
                start_point = self.get_start_points(api_trace, conn_to_ctxes)
                tmp_list.extend(start_point)
        api_traces.extend(tmp_list)

    def add_connect_line(self, traces: List[Dict[str, Any]], data_type: str) -> None:
        """
        为Host task和HCCL OP添加连线：
        1.对于Host Task数据（data_type == MODULE_TASK_TIME）时添加连线的起点和中终点，起点为实际Host task的开始时间
        2.对于HCCL OP在data_type为API_TYPE时添加连线的起点，data_type为API_TYPE时添加连线的终点
        :param traces: json traces
        :param data_type: export type
        """
        if data_type == self.MODULE_MSPROFTX:
            self.add_msproftx_ex_start_points(traces)
            return
        device_id = InfoConfReader().get_device_id()
        if not is_number(device_id):
            return
        device_id = int(device_id)
        node_tasks = self.get_node_tasks()
        if data_type == self.MODULE_TASK_TIME:
            if not self.exist_api:
                return
            cann_pid = self.get_cann_pid()
            self.add_task_connection_data(traces, cann_pid, node_tasks, device_id)
        elif data_type == self.API_TYPE:
            self.exist_api = True
            hccl_conn_ids = self.get_hccl_op_connection_ids()
            conn_to_ctxes = self.get_connection_id_to_context_ids_mapping(node_tasks, device_id)
            self.add_hccl_start_points(traces, conn_to_ctxes, hccl_conn_ids)
        elif data_type == self.MODULE_HCCL:
            self.add_hccl_end_points(traces)

    def get_node_tasks(self) -> Dict[Tuple[int, int, int, int], Tuple[int, int]]:
        """
        get node tasks set
        :return: node tasks set
        """
        if not path_check(PathManager.get_db_path(self._result_dir, DBNameConstant.DB_GE_INFO)):
            return {}
        with ViewModel(self._result_dir, DBNameConstant.DB_GE_INFO,
                       [DBNameConstant.TABLE_GE_TASK]) as task_info_model:
            sql = f'select device_id, stream_id, task_id, batch_id, thread_id, timestamp ' \
                  f'from {DBNameConstant.TABLE_GE_TASK}'
            tasks = task_info_model.get_sql_data(sql)
        return {task[:4]: task[-2:] for task in tasks}

    def get_connection_id_to_context_ids_mapping(self, node_tasks: Dict[Tuple[int, int, int, int], Tuple[int, int]],
                                                 device_id: int):
        """
        get device tasks
        :return: device tasks
        """
        if not path_check(PathManager.get_db_path(self._result_dir, DBNameConstant.DB_ASCEND_TASK)):
            return {}
        ascend_task_model = ViewModel(self._result_dir, DBNameConstant.DB_ASCEND_TASK,
                                      [DBNameConstant.TABLE_ASCEND_TASK])
        ascend_task_model.init()
        sql = 'select stream_id, task_id, batch_id, context_id, connection_id from AscendTask'
        ascend_tasks = ascend_task_model.get_sql_data(sql)
        result = defaultdict(list)
        for stream_id, task_id, batch_id, context_id, connection_id in ascend_tasks:
            if (device_id, stream_id, task_id, batch_id) not in node_tasks:
                continue
            result[connection_id].append(context_id)
        return result

    def get_hccl_op_connection_ids(self):
        if not path_check(PathManager.get_db_path(self._result_dir, DBNameConstant.DB_HCCL_SINGLE_DEVICE)):
            return set()
        with ViewModel(self._result_dir, DBNameConstant.DB_HCCL_SINGLE_DEVICE,
                       [DBNameConstant.TABLE_HCCL_TASK_SINGLE_DEVICE]) as hccl_model:
            if not hccl_model.check_table():
                return set()
            sql = f"select distinct connection_id from {DBNameConstant.TABLE_HCCL_TASK_SINGLE_DEVICE}"
            connection_ids = hccl_model.get_sql_data(sql)

        return set(conn_id[0] for conn_id in connection_ids)