"""
-------------------------------------------------------------------------
This file is part of the MindStudio project.
Copyright (c) 2026 Huawei Technologies Co.,Ltd.

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.
-------------------------------------------------------------------------
"""
from .defs import (
    EventFieldDefs,
    BlockFieldDefs
)

from base import TraceEntry, Block


def make_default_id_counter(start: int = -1):
    count = start

    def next_id():
        nonlocal count
        current = count
        count -= 1
        return current

    return next_id


def get_timestamp_by_event_idx(event_idx: int) -> int:
    return event_idx * 10 if event_idx is not None else -1


next_default_block_id = make_default_id_counter()
next_default_event_id = make_default_id_counter()


def event2record(event: TraceEntry, allocated: int = 0, active: int = 0, reserved: int = 0) -> dict:
    return {
        EventFieldDefs.ID: event.idx if event.idx is not None else next_default_event_id(),
        EventFieldDefs.ACTION: event.action,
        EventFieldDefs.ADDR: event.addr,
        EventFieldDefs.SIZE: event.size,
        EventFieldDefs.STREAM: event.stream,
        EventFieldDefs.ALLOCATED: allocated,
        EventFieldDefs.ACTIVE: active,
        EventFieldDefs.RESERVED: reserved,
        EventFieldDefs.CALLSTACK: event.get_callstack()
    }


def block2record(block: Block) -> dict:
    return {
        BlockFieldDefs.ID: block.alloc_event_idx if block.alloc_event_idx is not None else next_default_block_id(),
        BlockFieldDefs.ADDR: block.address,
        BlockFieldDefs.SIZE: block.size,
        BlockFieldDefs.REQUESTED_SIZE: block.requested_size,
        BlockFieldDefs.STATE: block.state,
        BlockFieldDefs.ALLOC_EVENT_ID: block.alloc_event_idx if block.alloc_event_idx is not None else -1,
        BlockFieldDefs.FREE_EVENT_ID: block.free_event_idx if block.free_event_idx is not None else -1,
    }