from __future__ import annotations

from typing import Final

from pydantic import BaseModel, ConfigDict

from .profiler import FunctionTraceEvent


class _TraceEventPayload(BaseModel):
    model_config = ConfigDict(strict=True, extra="forbid")
    id: int
    parent_id: int | None
    function: str
    module_path: str | None = None
    file: str | None = None
    line: int | None = None


class TraceResponsePayload(BaseModel):
    model_config = ConfigDict(strict=True, extra="forbid")
    response: object
    trace: tuple[_TraceEventPayload, ...] | list[_TraceEventPayload]


def native_trace_events(payload: object) -> tuple[FunctionTraceEvent, ...]:
    response: Final = TraceResponsePayload.model_validate(payload)
    return tuple(
        FunctionTraceEvent(
            event.id,
            event.parent_id,
            event.function,
            event.module_path,
            event.file,
            event.line,
        )
        for event in response.trace
    )