from __future__ import annotations

import json
from pathlib import Path

import pytest

from k1link.compute.live_perception import TELEMETRY_SCHEMA, WORLD_STATE_SCHEMA
from k1link.compute.live_replay_qualification import (
    _validate_telemetry_rows,
    _validate_world_rows,
)
from k1link.sessions import SessionIntegrityError


def _world_row() -> dict[str, object]:
    return {
        "schema_version": WORLD_STATE_SCHEMA,
        "frame_index": 3,
        "source_frame_index": 1003,
        "session_seconds": 12.3,
        "coordinate_frames": {
            "world": "k1-map",
            "sensor_relative": "k1-lidar",
            "vehicle_body": "unavailable-no-rig-to-vehicle-transform",
        },
        "fusion_state": "fused",
        "objects": [
            {
                "track_id": 7,
                "range_m": 4.0,
                "position_map_m": [1.0, 2.0, 3.0],
                "position_lidar_m": [4.0, 0.0, 0.0],
                "size_m": [4.0, 2.0, 1.5],
                "velocity_map_mps": None,
                "velocity_status": "unavailable-insufficient-history",
                "geometry": "point-supported-visible-surface-envelope",
            }
        ],
        "object_count": 1,
        "clearance": {"state": "observed"},
        "delivery": {"health": "healthy", "result_age_ms": 12.0},
    }


def test_world_and_telemetry_rows_preserve_exact_frame_binding(tmp_path: Path) -> None:
    world = tmp_path / "world-state.jsonl"
    telemetry = tmp_path / "telemetry.jsonl"
    world.write_text(json.dumps(_world_row()) + "\n", encoding="utf-8")
    telemetry.write_text(
        json.dumps(
            {
                "schema_version": TELEMETRY_SCHEMA,
                "frame_index": 3,
                "end_to_end_latency_ms": 12.0,
                "health": "healthy",
            }
        )
        + "\n",
        encoding="utf-8",
    )

    indices = _validate_world_rows(
        world,
        tmp_path,
        expected_count=1,
        selection_start=3,
        selection_count=1,
    )
    _validate_telemetry_rows(telemetry, tmp_path, expected_indices=indices)

    assert indices == (3,)


def test_world_row_rejects_invented_object_count(tmp_path: Path) -> None:
    world = tmp_path / "world-state.jsonl"
    value = _world_row()
    value["object_count"] = 2
    world.write_text(json.dumps(value) + "\n", encoding="utf-8")

    with pytest.raises(SessionIntegrityError, match="world-state row"):
        _validate_world_rows(
            world,
            tmp_path,
            expected_count=1,
            selection_start=3,
            selection_count=1,
        )