"""Automation acceptance checks with isolated persistence and no real device side effects."""

from io import BytesIO
import json
import time
from unittest.mock import AsyncMock
import zipfile

from fastapi import FastAPI
from fastapi.testclient import TestClient
from openpyxl import load_workbook
import pytest

from apps.admin_console.routers import automation as api
from apps.admin_console.services import automation_service as service
from apps.admin_console.services import report_export as reports
from apps.admin_console.services import task_import
from apps.admin_console.services.automation_store import AutomationStore
from artemis.data_engine.storage import StorageManager


@pytest.fixture
def isolated(tmp_path, monkeypatch):
    db = tmp_path / "data.db"
    StorageManager(db_path=db, base_trace_dir=tmp_path)
    store = AutomationStore(db)
    for module in (api, service, reports):
        monkeypatch.setattr(module, "store", store)
    monkeypatch.setattr(reports, "TRACES_PATH", tmp_path / "traces")
    monkeypatch.setattr(reports, "EXPORT_ROOT", tmp_path / "exports")
    from apps.admin_console.database.repositories.session_repository import SessionRepository
    from apps.admin_console.database.repositories.step_repository import StepRepository

    monkeypatch.setattr(reports, "SessionRepository", lambda *a: SessionRepository(db))
    monkeypatch.setattr(reports, "StepRepository", lambda *a: StepRepository(db))
    return store


@pytest.fixture
def client(isolated):
    app = FastAPI()
    app.include_router(api.router)
    return TestClient(app)


def payload(**extra):
    return {
        "name": "批次",
        "cases": [{"name": "用例甲", "goal": "观察设置"}, {"name": "用例乙", "goal": "观察首页"}],
        "device_serial": "test-device",
        **extra,
    }


def workbook_bytes(rows):
    wb = load_workbook(BytesIO(task_import.template()))
    for row in rows:
        wb["任务"].append(row)
    output = BytesIO()
    wb.save(output)
    return output.getvalue()


def test_template_preview_rejects_formula_and_bad_json():
    data = workbook_bytes(
        [
            ["正常", "打开设置", "", "", "", '{"name":"测试"}', "冒烟"],
            ["公式", "=SUM(1,2)"],
            ["参数错误", "测试", "", "", "", "{"],
        ]
    )
    result = task_import.parse_workbook(data)
    assert len(result["tasks"]) == 1
    assert [e["row"] for e in result["errors"]] == [3, 4]
    assert not result["valid"]


def test_invalid_archive_and_empty_template():
    with pytest.raises(ValueError):
        task_import.parse_workbook(b"not a zip")
    assert not task_import.parse_workbook(task_import.template())["valid"]


def test_preview_does_not_enqueue(client, isolated):
    response = client.post(
        "/api/automation/import/preview",
        files={"file": ("tasks.xlsx", workbook_bytes([["案例", "观察页面"]]))},
    )
    assert response.status_code == 200
    assert response.json()["valid"]
    assert not isolated.jobs()


def test_preferences_and_required_device(client):
    assert client.get("/api/automation/preferences").json()["formats"] == ["docx", "xlsx"]
    assert client.put("/api/automation/preferences", json={"formats": ["xlsx"]}).status_code == 200
    assert client.put("/api/automation/preferences", json={"formats": []}).status_code == 422
    assert client.post("/api/automation/batches", json=payload(device_serial="")).status_code == 422


def test_restart_never_repeats_started_work(isolated):
    batch = service.create_batch(payload())
    service.batch_action(batch["id"], "resume")
    job = isolated.jobs(batch["id"])[0]
    isolated.save_job({**job, "status": "queued"})
    service.recover_batches()
    assert isolated.get("batch", batch["id"])["status"] == "paused"
    assert [j["status"] for j in isolated.jobs(batch["id"])] == ["interrupted", "pending"]
    retry = service.batch_action(batch["id"], "retry_failed")
    assert retry["status"] == "draft"
    assert len(isolated.jobs(retry["id"])) == 1
    assert isolated.jobs(retry["id"])[0]["session_id"] != job["session_id"]


@pytest.mark.asyncio
async def test_batch_admission_idempotent_and_bound_device(isolated, monkeypatch):
    from apps.admin_console import server

    batch = service.create_batch(payload())
    service.batch_action(batch["id"], "resume")
    monkeypatch.setattr(service, "state", type("State", (), {"is_paused": False})())
    enqueue = AsyncMock(return_value={"tasks": [{"device_serial": "test-device"}]})
    monkeypatch.setattr(server.task_queue_service, "enqueue_tasks", enqueue)
    monkeypatch.setattr(
        "artemis.runtime.device_pool.validate_explicit_serial_async", AsyncMock(return_value=None)
    )
    from artemis.runtime.device_pool import DeviceStatus

    monkeypatch.setattr(
        "artemis.runtime.device_pool.try_list_devices_async",
        AsyncMock(return_value=[DeviceStatus(serial="test-device", state="device")]),
    )
    await service.tick_batches()
    await service.tick_batches()
    assert enqueue.await_count == 1
    assert enqueue.call_args.kwargs["device_serial"] == "test-device"
    assert isolated.jobs(batch["id"])[1]["status"] == "pending"


@pytest.mark.asyncio
async def test_device_outage_pauses_without_consuming_pending_case(isolated, monkeypatch):
    batch = service.create_batch(payload())
    service.batch_action(batch["id"], "resume")
    monkeypatch.setattr(service, "state", type("State", (), {"is_paused": False})())
    monkeypatch.setattr(
        "artemis.runtime.device_pool.try_list_devices_async", AsyncMock(return_value=[])
    )
    await service.tick_batches()
    assert isolated.get("batch", batch["id"])["status"] == "paused"
    assert all(job["status"] == "pending" for job in isolated.jobs(batch["id"]))


@pytest.mark.asyncio
async def test_fail_fast_includes_skipped_reports(isolated, monkeypatch):
    batch = service.create_batch(payload(stop_on_failure=True))
    first = isolated.jobs(batch["id"])[0]
    isolated.save_job({**first, "status": "failed"})
    service.batch_action(batch["id"], "resume")
    await service.tick_batches()
    assert [j["status"] for j in isolated.jobs(batch["id"])] == ["failed", "skipped"]
    archive = reports.export_batch(batch["id"])
    with zipfile.ZipFile(archive) as z:
        assert len(z.namelist()) == 6  # two summary files + two files per task
        assert sum(n.endswith(".docx") for n in z.namelist()) == 3


@pytest.mark.asyncio
async def test_report_failure_does_not_strand_job(isolated, monkeypatch):
    job = isolated.jobs(service.create_batch(payload())["id"])[0]
    monkeypatch.setattr(
        reports, "export_session", lambda *a: (_ for _ in ()).throw(OSError("disk full"))
    )
    await service.on_terminal({"session_id": job["session_id"]}, "completed")
    saved = isolated.job(job["session_id"])
    assert saved["status"] == "completed"
    assert "disk full" in saved["report_error"]


def test_reports_do_not_execute_formulas_or_invent_pass(isolated):
    batch = service.create_batch(payload())
    job = isolated.jobs(batch["id"])[0]
    isolated.save_job(
        {**job, "case": {"name": "=1+1", "goal": '=HYPERLINK("x")'}, "status": "completed"}
    )
    report = reports.session_report(job["session_id"])
    assert report["verdict"].startswith("未验证")
    assert reports.verdict({"tests": {"passed": 2, "failed": 1}}) == "验证失败"
    assert reports.verdict({"tests": {"passed": 2, "unchecked": 1}}) == "验证不完整"
    paths = reports.export_session(job["session_id"])
    wb = load_workbook(next(p for p in paths if p.suffix == ".xlsx"))
    assert wb["任务结果"]["B3"].data_type == "s"
    with zipfile.ZipFile(next(p for p in paths if p.suffix == ".docx")) as doc:
        assert "未验证".encode() in doc.read("word/document.xml")


def test_history_filters_all_persisted_rows_and_escapes_like(client, isolated):
    batch = service.create_batch(payload())
    first, second = isolated.jobs(batch["id"])
    isolated.save_job(
        {
            **first,
            "status": "completed",
            "created_at": 100,
            "case": {"name": "搜索_%", "goal": "abc", "tags": "回归"},
        }
    )
    isolated.save_job({**second, "status": "failed", "created_at": 200})
    assert client.get("/api/automation/history", params={"q": "_%"}).json()["total"] == 1
    assert (
        client.get("/api/automation/history", params={"q": "回归"}).json()["items"][0]["session_id"]
        == first["session_id"]
    )
    assert (
        client.get(
            "/api/automation/history", params={"start": 150, "end": 250, "status": "failed"}
        ).json()["total"]
        == 1
    )
    assert (
        client.get("/api/automation/history", params={"size": 1, "page": 2}).json()["items"][0][
            "session_id"
        ]
        == first["session_id"]
    )


def test_batch_submission_is_atomic_and_idempotent(client, isolated):
    value = payload(request_id="same-request")
    first = client.post("/api/automation/batches", json=value)
    second = client.post("/api/automation/batches", json=value)
    assert first.status_code == second.status_code == 200
    assert first.json()["id"] == second.json()["id"]
    assert len(isolated.jobs()) == 2
    assert len(isolated.records("batch")) == 1
    conflict = client.post("/api/automation/batches", json={**value, "name": "different"})
    assert conflict.status_code == 409
    lookup = client.get("/api/automation/batches/by-request/same-request").json()
    assert lookup["id"] == first.json()["id"]
    assert len(lookup["jobs"]) == 2


def test_removed_replay_is_inert_but_history_survives(client, isolated):
    batch = service.create_batch(payload())
    job = isolated.jobs(batch["id"])[0]
    isolated.save_job({**job, "execution_mode": "strict", "workflow_id": "legacy"})
    service.recover_batches()
    assert isolated.get("batch", batch["id"])["status"] == "cancelled"
    assert all(j["status"] == "cancelled" for j in isolated.jobs(batch["id"]))
    assert client.post(f"/api/automation/batches/{batch['id']}/resume").status_code == 409
    assert client.post(f"/api/automation/batches/{batch['id']}/retry_failed").status_code == 409
    assert client.get("/api/automation/workflows").status_code == 404
    assert client.get("/api/automation/history").json()["total"] == 2