"""周期和自动重试只能生成原始采集，验证重启防重与人工介入边界。"""

from datetime import datetime, timedelta

import pytest
from sqlalchemy import func, select

from app.core.config import Settings
from app.models import TPlusAutomationState, TPlusSyncBatch, TPlusSyncError
from app.services.tplus import automation
from tests.unit.test_tplus_workbench import work_session as work_session

NOW = datetime(2026, 10, 30, 10)


@pytest.fixture
def settings():
    return Settings(_env_file=None, app_secret_key="x" * 32, t_plus_enabled=True,
        t_plus_database="test_source", t_plus_user="reader", t_plus_odbc_driver="unit",
        t_plus_automation_enabled=True)


def run(s, settings, now=NOW):
    return automation.tick(s, settings=settings, now=now)


def fail(s, number, *, status="FAILED", code="SOURCE_TIMEOUT", at=NOW):
    row = s.scalar(select(TPlusSyncBatch).where(TPlusSyncBatch.batch_no == number))
    row.status, row.finished_at = status, at
    s.add(TPlusSyncError(batch_no=number, entity_type="system", source_table="system", error_code=code, error_message="固定错误说明"))
    s.commit()


def test_默认关闭不会排队(work_session, settings):
    result = run(work_session, settings.model_copy(update={"t_plus_automation_enabled": False}))
    assert result == {"status": "DISABLED", "queued": False}
    assert work_session.scalar(select(func.count()).select_from(TPlusSyncBatch)) == 0


def test_同周期重复检查和重启只有一次九类采集(work_session, settings):
    s = work_session
    first = run(s, settings)
    for _ in range(3):
        assert not run(s, settings)["queued"]
    batch = s.scalar(select(TPlusSyncBatch))
    assert batch.batch_no == first["batch_no"] and batch.sync_mode == "FULL"
    assert len(batch.entity_types_json) == 9 and batch.trigger_type == "SCHEDULED"
    assert s.scalar(select(func.count()).select_from(TPlusSyncBatch)) == 1


def test_停机多周只补最近一次(work_session, settings):
    s = work_session
    first = run(s, settings)
    batch = s.scalar(select(TPlusSyncBatch))
    batch.status, batch.finished_at = "SUCCEEDED", NOW
    s.commit()
    later = run(s, settings, NOW + timedelta(weeks=4))
    assert later["queued"] and later["period"] != first["period"]
    assert s.scalar(select(func.count()).select_from(TPlusSyncBatch)) == 2


def test_人工任务占用时不堆积周期任务(work_session, settings):
    s = work_session
    s.add(TPlusSyncBatch(batch_no="manual", sync_mode="FULL", status="RUNNING", source_database="test_source", entity_types_json=["personnel"]))
    s.commit()
    assert run(s, settings)["status"] == "DEFERRED"
    assert s.scalar(select(func.count()).select_from(TPlusSyncBatch)) == 1


def test_明确超时仅按五十五分钟最多重试两次(work_session, settings):
    s = work_session
    first = run(s, settings)
    fail(s, first["batch_no"])
    assert not run(s, settings, NOW + timedelta(minutes=4))["queued"]
    second = run(s, settings, NOW + timedelta(minutes=5))
    assert second["queued"]
    fail(s, second["batch_no"], at=NOW + timedelta(minutes=5))
    assert not run(s, settings, NOW + timedelta(minutes=19))["queued"]
    third = run(s, settings, NOW + timedelta(minutes=20))
    assert third["queued"]
    fail(s, third["batch_no"], at=NOW + timedelta(minutes=21))
    assert not run(s, settings, NOW + timedelta(hours=2))["queued"]
    rows = list(s.scalars(select(TPlusSyncBatch).order_by(TPlusSyncBatch.id)))
    assert [(r.trigger_type, r.automatic_attempt) for r in rows] == [("SCHEDULED", 0), ("AUTO_RETRY", 1), ("AUTO_RETRY", 2)]
    assert rows[1].parent_batch_no == rows[0].batch_no and rows[2].parent_batch_no == rows[1].batch_no


@pytest.mark.parametrize("status,code", [("PARTIAL", "SOURCE_TIMEOUT"), ("FAILED", "SOURCE_CONFIG_ERROR"), ("FAILED", "STAGE_ERROR"), ("FAILED", "EXECUTION_ERROR")])
def test_部分失败或不明确错误不自动重试(work_session, settings, status, code):
    s = work_session
    first = run(s, settings)
    fail(s, first["batch_no"], status=status, code=code)
    assert not run(s, settings, NOW + timedelta(hours=2))["queued"]
    assert s.scalar(select(func.count()).select_from(TPlusSyncBatch)) == 1


def test_ISO年周和到期时间边界稳定():
    assert automation.due_period(datetime(2027, 1, 1, 10))[0] == "2026-W53"
    assert automation.due_period(datetime(2026, 11, 2, 1, 59))[0] == "2026-W44"
    assert automation.due_period(datetime(2026, 11, 2, 2))[0] == "2026-W45"


def test_站内提示覆盖排队超时和无成功同步(work_session, settings):
    s = work_session
    run(s, settings)
    batch = s.scalar(select(TPlusSyncBatch))
    batch.create_time = NOW - timedelta(minutes=16)
    s.commit()
    result = automation.overview(s, settings=settings, now=NOW)
    assert {r["code"] for r in result["alerts"]} >= {"QUEUE_OVERDUE", "SYNC_STALE", "WORKER_OFFLINE"}


def test_读取心跳不把当前采集写成工资(work_session, settings):
    from sqlalchemy.orm import sessionmaker

    s = work_session
    automation.heartbeat(sessionmaker(s.get_bind()), settings, "owner", "RUNNING", now=NOW)
    s.expire_all()
    state = s.scalar(select(TPlusAutomationState))
    assert state.heartbeat_at == NOW and state.worker_phase == "RUNNING"
    assert s.scalar(select(func.count()).select_from(TPlusSyncBatch)) == 0


@pytest.mark.parametrize("status,code", [("SUCCEEDED", None), ("FAILED", "SOURCE_CONFIG_ERROR"), ("FAILED", "SOURCE_TIMEOUT")])
def test_人工重试结果接入周期且不重置自动次数(work_session, settings, monkeypatch, status, code):
    from uuid import uuid4

    from app.schemas.tplus import TPlusRetryIn
    from app.services.tplus import task_service

    monkeypatch.setattr(task_service, "get_settings", lambda: settings)
    s = work_session
    first = run(s, settings)
    fail(s, first["batch_no"])
    auto = run(s, settings, NOW + timedelta(minutes=5))
    fail(s, auto["batch_no"], at=NOW + timedelta(minutes=5))
    manual = task_service.retry_task(s, auto["batch_no"], TPlusRetryIn(request_key=uuid4()))
    assert run(s, settings, NOW + timedelta(minutes=6))["status"] == "DEFERRED"
    if code:
        fail(s, manual.batch_no, status=status, code=code, at=NOW + timedelta(minutes=6))
    else:
        manual.status, manual.finished_at = status, NOW + timedelta(minutes=6)
        s.commit()
    outcome = run(s, settings, NOW + timedelta(minutes=30))
    assert outcome["queued"] == (code == "SOURCE_TIMEOUT")
    state = s.scalar(select(TPlusAutomationState))
    assert state.retry_attempts == (2 if outcome["queued"] else 1)
    if status == "SUCCEEDED":
        assert state.last_success_at == manual.finished_at
    if outcome["queued"]:
        child = s.scalar(select(TPlusSyncBatch).where(TPlusSyncBatch.batch_no == outcome["batch_no"]))
        assert child.parent_batch_no == manual.batch_no


def test_停止标记阻止周期排队且不报告进程离线(work_session, settings, tmp_path):
    marker = tmp_path / "stop.requested"
    marker.touch()
    stopped = settings.model_copy(update={"t_plus_stop_file": str(marker)})
    assert run(work_session, stopped)["status"] == "STOP_REQUESTED"
    assert not automation.overview(work_session, settings=stopped, now=NOW)["alerts"]