"""Regression tests for persistent Voyager learning memory."""
from __future__ import annotations

import json
import sys
import tempfile
from pathlib import Path

ROOT = Path(__file__).resolve().parents[1]
sys.path.insert(0, str(ROOT))

from voyager_learning import build_learning_state, learning_path, read_learning_state, refresh_learning_state


def test_persistent_learning_memory() -> None:
    with tempfile.TemporaryDirectory() as tmp:
        ckpt = Path(tmp) / "ckpt"
        (ckpt / "curriculum").mkdir(parents=True)
        (ckpt / "skill").mkdir(parents=True)
        (ckpt / "curriculum" / "completed_tasks.json").write_text(
            json.dumps([
                "Place 1 stone",
                "Place 1 oak_planks",
                "Place 1 glass",
                "Place 1 bricks",
                "Build 1 wall",
            ]),
            encoding="utf-8",
        )
        (ckpt / "curriculum" / "failed_tasks.json").write_text(
            json.dumps(["Mine 1 glass"]), encoding="utf-8"
        )
        (ckpt / "skill" / "skills.json").write_text(
            json.dumps({
                "placeStone": {"code": "async function placeStone(bot) {}"},
                "buildWall": {"code": "async function buildWall(bot) {}"},
            }),
            encoding="utf-8",
        )

        state = build_learning_state(ckpt, "Naldo_Bot")
        assert state["completed_count"] == 5
        assert state["failed_count"] == 1
        assert state["skill_count"] == 2
        assert state["bucket_persistent"] is False
        # Reporting only: no mastery gate and no closed build catalog.
        assert state["capabilities"]["place"]["distinct_count"] == 4
        assert "mastered" not in state["capabilities"]["place"]
        assert "threshold" not in state["capabilities"]["place"]
        assert "build_projects" not in state
        assert state["curriculum_owner"] == "upstream CurriculumAgent"

        written = refresh_learning_state(ckpt, "Naldo_Bot")
        assert learning_path(ckpt).exists()
        loaded = read_learning_state(ckpt)
        assert loaded["bot_username"] == "Naldo_Bot"
        assert loaded["skill_count"] == written["skill_count"]
        assert loaded["sources"]["skills"] == "skill/skills.json"


if __name__ == "__main__":
    test_persistent_learning_memory()
    print("PASS persistent Voyager learning memory")