"""Pure contract tests for intelligent-evaluation read projections."""

from datetime import datetime, timezone

from agenteval.intelligent_eval.models import (
    IntelligentEval,
    IntelligentEvalSession,
    IntelligentEvalSessionStatus,
    IntelligentEvalStatus,
)
from agenteval.intelligent_eval.read_model import project_detail, project_list_item


def _evaluation() -> IntelligentEval:
    now = datetime(2026, 1, 1, tzinfo=timezone.utc)
    return IntelligentEval(
        id="eval-1",
        name="客服评估",
        target_id="target-1",
        status=IntelligentEvalStatus.EXECUTING,
        goal="验证退货流程",
        seeds={"personas": ["老客户"]},
        intent="流程覆盖",
        role_description="模拟用户",
        plan={"dimensions": ["退货"]},
        time_window_hours=24,
        created_at=now,
        updated_at=now,
    )


def _session(session_id: str, status: IntelligentEvalSessionStatus) -> IntelligentEvalSession:
    return IntelligentEvalSession(
        id=session_id,
        eval_id="eval-1",
        target_id="target-1",
        persona={"name": session_id},
        goal="完成退货",
        dimension="退货",
        status=status,
        turn_count=2,
    )


def test_list_projection_contains_stable_fields_and_counts() -> None:
    projection = project_list_item(
        _evaluation(),
        [_session("s-1", IntelligentEvalSessionStatus.RUNNING), _session("s-2", IntelligentEvalSessionStatus.COMPLETED)],
    )

    assert projection.id == "eval-1"
    assert projection.session_count == 2
    assert projection.completed_sessions == 1
    assert projection.plan == {"dimensions": ["退货"]}


def test_detail_projection_contains_session_metadata_without_messages() -> None:
    projection = project_detail(_evaluation(), [_session("s-1", IntelligentEvalSessionStatus.COMPLETED)])
    payload = projection.model_dump(mode="json")

    assert payload["sessions"][0]["id"] == "s-1"
    assert payload["sessions"][0]["turn_count"] == 2
    assert "messages" not in payload
    assert "content" not in payload["sessions"][0]