# coding=utf-8
from datetime import datetime
from pathlib import Path
from unittest.mock import patch

import pytest

from spark_executor.core import connection_store
from spark_executor.core.job_store import JobStore
from spark_executor.models import Connection, Job
from spark_executor.tools import kill
from spark_executor.tools import connections


@pytest.fixture
def fresh_stores(tmp_path: Path):
    """Wire up connection + job stores rooted in tmp_path. Per-test isolation
    so file-backed JobStore doesn't leak between cases."""
    store = connection_store.ConnectionStore(data_dir=str(tmp_path))
    connection_store.store = store
    connections.store = store
    kill.conn_store = store
    kill.store = JobStore(data_dir=str(tmp_path))


def _fresh_stores():
    store = connection_store.ConnectionStore()
    connection_store.store = store
    connections.store = store
    kill.conn_store = store
    kill.store = JobStore()


def test_kill_job_calls_yarn_kill():
    _fresh_stores()
    kill.conn_store.save(Connection(name="prod", master="yarn", yarn_rm_url="http://rm:8088"))
    kill.store.put(
        Job(
            job_id="abc",
            application_id="application_1",
            script_path="/tmp/j.py",
            queue="default",
            submit_time=datetime(2026, 6, 24),
            connection="prod",
            yarn_rm_url="http://rm:8088",
        )
    )
    with patch("spark_executor.tools.kill.kill_application") as m:
        result = kill.kill_job("abc")
    args = m.call_args.args
    assert args[0] == "application_1"
    assert args[1].yarn_rm_url == "http://rm:8088"
    assert result == {
        "job_id": "abc",
        "application_id": "application_1",
        "status": "KILLED",
    }


def test_kill_job_raises_for_unknown_job():
    _fresh_stores()
    with pytest.raises(KeyError):
        kill.kill_job("missing")


def test_kill_job_raises_400_for_external_application_id(fresh_stores):
    """Input that looks like a YARN application_id but is not in the local
    JobStore must raise ValueError (-> 400) — kill_job has no external
    equivalent, so the error points to the YARN CLI / UI."""
    with pytest.raises(ValueError, match="YARN CLI"):
        kill.kill_job("application_17400000001_0001")


def test_kill_job_raises_when_connection_missing():
    _fresh_stores()
    kill.store.put(
        Job(
            job_id="abc",
            application_id="application_1",
            script_path="/tmp/j.py",
            queue="default",
            submit_time=datetime(2026, 6, 24),
            connection="missing",
        )
    )
    with pytest.raises(KeyError, match="Connection not found"):
        kill.kill_job("abc")


# --- application_id accepted (regression: "agent passed wrong id" bug) ---

def test_kill_job_accepts_application_id(fresh_stores):
    kill.conn_store.save(Connection(name="prod", master="yarn", yarn_rm_url="http://rm:8088"))
    kill.store.put(
        Job(
            job_id="a1b2c3d4e5f6",
            application_id="application_17400000001_0001",
            script_path="/tmp/j.py",
            queue="default",
            submit_time=datetime(2026, 6, 24),
            connection="prod",
            yarn_rm_url="http://rm:8088",
        )
    )
    with patch("spark_executor.tools.kill.kill_application") as m:
        result = kill.kill_job("application_17400000001_0001")
    # Underlying YARN call uses the application_id, not the local job_id.
    assert m.call_args.args[0] == "application_17400000001_0001"
    # And the response still surfaces BOTH ids so the agent can confirm.
    assert result["job_id"] == "a1b2c3d4e5f6"
    assert result["application_id"] == "application_17400000001_0001"


def test_kill_job_unknown_error_message_mentions_both_ids(fresh_stores):
    with pytest.raises(KeyError) as ei:
        kill.kill_job("totally-fake")
    msg = str(ei.value)
    assert "job_id" in msg
    assert "application_id" in msg