"""Presentation prose is validated on writes without rejecting historical scenes."""
from copy import deepcopy
from datetime import datetime, timezone
from uuid import uuid4

import pytest

from app.domain.schemas.operational_task import TaskPresentationEventCommand, TaskPresentationHistoryItem


def presentation():
    return {
        "request_id": uuid4(), "run_id": uuid4(), "source_session_id": "fixture-session",
        "purpose": "核对压力变化与异常时刻的对应关系。",
        "narration": {"stage": "evidence_verification", "summary": "压力已回升，恢复情况仍需结合现场反馈复核。",
                      "next_step": "核对完工后的恢复监测。", "evidence_refs": ["recovery:sha256:fixture"]},
        "command": {"action": "open_chart", "chart_id": "pressure", "evidence_refs": ["recovery:sha256:fixture"],
                    "chart": {"title": "170486 压力恢复趋势", "chart_type": "line", "x_axis_name": "时间",
                              "y_axis_name": "压力（m）", "x_data": ["13:00", "13:15"],
                              "series": [{"name": "170486 当前压力", "data": [20.09, 26.12],
                                          "sample_times": ["2026-07-16T05:00:00Z", "2026-07-16T05:15:00Z"]}]}},
    }


@pytest.mark.parametrize("text", [
    "status=passed，required_samples=1。", "Skill scada-anomaly v1.0.16 已执行。",
    "已读取 recovery:sha256:01234567。", "恢复时刻 2026-07-16T05:15:00Z。",
    "恢复时刻 13:15（UTC+8）。", "**恢复复核通过**。",
])
def test_presentation_rejects_execution_text_in_purpose_finding_and_follow_up(text):
    value = presentation()
    for field in ("purpose", "summary", "next_step"):
        changed = deepcopy(value)
        if field == "purpose":
            changed[field] = text
        else:
            changed["narration"][field] = text
        history = TaskPresentationHistoryItem(
            event_seq=1, run_id=changed["run_id"], execution_generation=1,
            occurred_at=datetime(2026, 7, 16, tzinfo=timezone.utc),
            command=changed["command"], purpose=changed["purpose"], narration=changed["narration"],
        )
        assert history.purpose == changed["purpose"]
        with pytest.raises(ValueError):
            TaskPresentationEventCommand.model_validate(changed)


@pytest.mark.parametrize("field", ["title", "x_axis_name", "y_axis_name", "x_data", "series"])
def test_new_chart_visible_labels_follow_the_same_prose_contract(field):
    value = presentation()
    chart = value["command"]["chart"]
    if field == "x_data":
        chart[field][0] = "2026-07-16T05:00:00Z"
    elif field == "series":
        chart[field][0]["name"] = "execution_generation=3"
    else:
        chart[field] = "压力复核 status=passed"
    with pytest.raises(ValueError):
        TaskPresentationEventCommand.model_validate(value)


def test_display_validation_preserves_real_timestamps_identifiers_and_values():
    value = presentation()
    parsed = TaskPresentationEventCommand.model_validate(value).model_dump(mode="json")
    assert parsed["command"] == value["command"]
    assert parsed["narration"]["evidence_refs"] == value["narration"]["evidence_refs"]
    value["command"] = {"action": "set_overlay", "overlay_id": "estimated-impact",
                        "title": "候选管段预计影响范围", "mode": "geometry", "evidence_id": "mcp:fixture"}
    assert TaskPresentationEventCommand.model_validate(value).command.title == "候选管段预计影响范围"
    value["command"]["title"] = "候选影响范围（UTC+8）"
    with pytest.raises(ValueError):
        TaskPresentationEventCommand.model_validate(value)