"""Generated fixtures keep executable examples and publication semantics aligned across repositories."""
import json
from pathlib import Path

import pytest
from pydantic import ValidationError

from app.domain.domain_errors import DomainError
from app.domain.schemas.operational_task import TaskPresentationEventCommand, TaskSafeChart
from app.services.time_comparison_chart import validate_time_comparison_chart


FIXTURES = Path(__file__).parents[1] / "fixtures"
CASES = json.loads((FIXTURES / "chart-publication-cases.json").read_text())


@pytest.mark.parametrize("case", CASES, ids=lambda case: case["name"])
def test_chart_publication_matches_frontend_and_agent(case):
    def validate():
        chart = TaskSafeChart.model_validate(case["chart"]).model_dump(mode="json")
        validate_time_comparison_chart(chart)

    if case["accepted"]:
        validate()
    else:
        with pytest.raises((DomainError, ValidationError)):
            validate()


def test_historical_mixed_charts_remain_structurally_readable():
    chart = next(case["chart"] for case in CASES if case["name"] == "old mixed charts are read only")
    TaskSafeChart.model_validate(chart)


def test_exported_command_examples_use_the_current_publication_contract():
    for line in (FIXTURES / "unified-presentation.jsonl").read_text().splitlines():
        record = json.loads(line)
        if record["record_type"] != "presentation":
            continue
        event = TaskPresentationEventCommand.model_validate({
            "request_id": "95000000-0000-4000-8000-000000000001",
            "run_id": "95000000-0000-4000-8000-000000000002",
            "source_session_id": "synthetic-chart-contract",
            "command": record["command"],
        })
        command = event.command
        if command.action == "open_chart":
            validate_time_comparison_chart(command.chart.model_dump(mode="json"))