"""Unit tests for the intelligent-eval scheduling domain (domain.py).

从 test_intelligent_eval_task_queue.py 迁移：原先隔着 task_queue 的过渡
wrapper 测试，ADR-0008 残留 wrapper 删除后直接锁定 domain 模块——
时段解析、欠账、优先级、注意原因的唯一实现。
"""

from datetime import timedelta

from agenteval.intelligent_eval import domain
from agenteval.intelligent_eval.models import IntelligentEvalStatus
from agenteval.storage.db import IntelligentEvalDB, IntelligentEvalSessionDB, utc_now
from sqlmodel import Session


def test_is_slot_due():
    """Test time slot due detection."""
    # Slot "8-10h" should be due after 8 hours
    slot = {"time_slot": "8-10h", "sessions": 2}
    assert domain.is_slot_due(slot, timedelta(hours=7)) is False
    assert domain.is_slot_due(slot, timedelta(hours=8)) is True
    assert domain.is_slot_due(slot, timedelta(hours=9)) is True

    # Invalid slot format
    assert domain.is_slot_due({"time_slot": "invalid"}, timedelta(hours=1)) is False
    assert domain.is_slot_due({}, timedelta(hours=1)) is False


def test_is_slot_due_minute_format():
    """Minute-level slots (1h window: "0-20min") must be parsed and due on time."""
    # 0-20min: due at 0min, not before
    assert domain.is_slot_due({"time_slot": "0-20min"}, timedelta(minutes=-1)) is False
    assert domain.is_slot_due({"time_slot": "0-20min"}, timedelta(minutes=0)) is True
    assert domain.is_slot_due({"time_slot": "0-20min"}, timedelta(minutes=5)) is True
    # 20-40min: not due before 20min, due at 20min
    assert domain.is_slot_due({"time_slot": "20-40min"}, timedelta(minutes=19)) is False
    assert domain.is_slot_due({"time_slot": "20-40min"}, timedelta(minutes=20)) is True

    # parse both formats consistently (hours)
    assert domain.parse_time_slot("8-10h") == (8.0, 10.0)
    assert domain.parse_time_slot("0-20min") == (0.0, 1.0 / 3)
    assert domain.parse_time_slot("20-40min") == (1.0 / 3, 2.0 / 3)
    assert domain.parse_time_slot("bad") is None


def test_calculate_session_deficit(db_session: Session):
    """Test session deficit calculation."""
    # Create eval with plan
    eval_db = IntelligentEvalDB(
        name="test",
        target_id="target1",
        status=IntelligentEvalStatus.EXECUTING.value,
        started_at=utc_now() - timedelta(hours=9),
    )
    eval_db.set_plan({
        "time_distribution": [
            {"time_slot": "0-2h", "sessions": 1},
            {"time_slot": "8-10h", "sessions": 2},
        ],
        "estimated_sessions": 3,
    })
    db_session.add(eval_db)
    db_session.commit()

    # No sessions yet, should have 3 (1 from 0-2h, 2 from 8-10h)
    deficit = domain.calculate_session_deficit(eval_db, db_session)
    assert deficit == 3

    # Add 1 session
    session_db = IntelligentEvalSessionDB(
        eval_id=eval_db.id,
        target_id="target1",
        status="completed",
    )
    db_session.add(session_db)
    db_session.commit()

    # Should have 3, has 1, deficit = 2
    deficit = domain.calculate_session_deficit(eval_db, db_session)
    assert deficit == 2


def test_calculate_priority(db_session: Session):
    """Test task priority calculation."""
    # Eval with due slot and deficit
    eval_db = IntelligentEvalDB(
        name="test",
        target_id="target1",
        status=IntelligentEvalStatus.EXECUTING.value,
        started_at=utc_now() - timedelta(hours=9),
    )
    eval_db.set_plan({
        "time_distribution": [{"time_slot": "8-10h", "sessions": 2}],
        "estimated_sessions": 2,
    })
    db_session.add(eval_db)
    db_session.commit()

    priority = domain.calculate_priority(eval_db, db_session)
    # Base 100 - 50 (slot due) - 20 (deficit 2 * 10) - 20 (wait 9h / 10min = 54, capped at 20)
    assert priority == 10


def test_get_attention_reason(db_session: Session):
    """Test attention reason detection."""
    # Eval with due slot
    eval_db = IntelligentEvalDB(
        name="test",
        target_id="target1",
        status=IntelligentEvalStatus.EXECUTING.value,
        started_at=utc_now() - timedelta(hours=9),
    )
    eval_db.set_plan({
        "time_distribution": [{"time_slot": "8-10h", "sessions": 2}],
        "estimated_sessions": 2,
    })
    db_session.add(eval_db)
    db_session.commit()

    reason = domain.get_attention_reason(eval_db, db_session)
    assert reason == "slot_due"

    # Add all sessions as completed
    for _ in range(2):
        session_db = IntelligentEvalSessionDB(
            eval_id=eval_db.id,
            target_id="target1",
            status="completed",
        )
        db_session.add(session_db)
    db_session.commit()

    reason = domain.get_attention_reason(eval_db, db_session)
    assert reason == "all_sessions_completed"