# -*- coding: utf-8 -*-
# Copyright (c) 2025 relakkes@gmail.com
#
# This file is part of MediaCrawler project.
# Repository: https://github.com/NanmiCoder/MediaCrawler/blob/main/tests/test_monitor_notify.py
# GitHub: https://github.com/NanmiCoder
# Licensed under NON-COMMERCIAL LEARNING LICENSE 1.1
#
# 声明：本代码仅供学习和研究目的使用。使用者应遵守以下原则：
# 1. 不得用于任何商业用途。
# 2. 使用时应遵守目标平台的使用条款和robots.txt规则。
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# 5. 不得用于任何非法或不当的用途。
#
# 详细许可条款请参阅项目根目录下的LICENSE文件。
# 使用本代码即表示您同意遵守上述原则和LICENSE中的所有条款。

"""Tests for the WeCom notification layer.

The webhook is stubbed, so nothing here touches the network.
"""

import json

import pytest
import pytest_asyncio
from sqlalchemy.ext.asyncio import AsyncSession, async_sessionmaker, create_async_engine
from sqlalchemy.pool import StaticPool

from api.monitor import notify
from api.monitor.models import (
    EVENT_AUTH_FAILURE,
    EVENT_METRIC_DELTA,
    EVENT_NEW_NOTE,
    EVENT_NEW_COMMENT_POSTED,
    MODE_CREATOR,
    SETTING_WECOM_WEBHOOK,
    MonitorBase,
    MonitorEvent,
    MonitorRun,
    MonitorTask,
    RUN_SUCCESS,
)
from api.monitor.settings import set_setting

WEBHOOK = "https://qyapi.weixin.qq.com/cgi-bin/webhook/send?key=abc123"


@pytest_asyncio.fixture
async def db():
    engine = create_async_engine("sqlite+aiosqlite://", poolclass=StaticPool)
    async with engine.begin() as conn:
        await conn.run_sync(MonitorBase.metadata.create_all)
    factory = async_sessionmaker(engine, class_=AsyncSession, expire_on_commit=False)
    async with factory() as session:
        yield session
    await engine.dispose()


async def _seed(db: AsyncSession, notify_enabled: bool = True):
    task = MonitorTask(
        name="竞品监控", platform="xhs", mode=MODE_CREATOR, enabled=True,
        interval_minutes=60, max_notes_count=20, enable_comments=True,
        max_comments_count=50, run_timeout_seconds=3600,
        notify_enabled=notify_enabled, created_at=0, updated_at=0,
    )
    db.add(task)
    await db.flush()

    run = MonitorRun(
        task_id=task.id, trigger="scheduled", status=RUN_SUCCESS, phase=MODE_CREATOR,
        save_data_path="", queued_at=0, not_before=0, max_comments_count=50,
    )
    db.add(run)
    await db.flush()
    return task, run


def _add_event(db, task, run, event_type, title, payload=None, severity="info"):
    db.add(
        MonitorEvent(
            task_id=task.id, run_id=run.id, type=event_type, severity=severity,
            target_kind="note", target_id="note-1", title=title,
            payload_json=json.dumps(payload or {}, ensure_ascii=False), created_at=0,
        )
    )


# --------------------------------------------------------------------------
# Message building
# --------------------------------------------------------------------------

class TestBuildRunMessage:
    @pytest.mark.asyncio
    async def test_no_notifiable_events_means_no_message(self, db):
        task, run = await _seed(db)
        # Metric deltas are not something anyone wants pushed.
        _add_event(db, task, run, EVENT_METRIC_DELTA, "点赞 10→20")
        _add_event(db, task, run, EVENT_NEW_COMMENT_POSTED, "新评论")
        await db.flush()

        assert await notify.build_run_message(db, task, run) is None

    @pytest.mark.asyncio
    async def test_new_notes_are_listed_with_links(self, db):
        task, run = await _seed(db)
        _add_event(
            db, task, run, EVENT_NEW_NOTE, "新作品：标题A",
            payload={"note_id": "abc123", "title": "标题A"},
        )
        await db.flush()

        message = await notify.build_run_message(db, task, run)

        assert "竞品监控" in message
        assert "新增作品 **1** 篇" in message
        assert "标题A" in message
        assert "https://www.xiaohongshu.com/explore/abc123" in message

    @pytest.mark.asyncio
    async def test_long_note_lists_are_truncated(self, db):
        """A first run can find dozens; a wall of text is worse than a count."""
        task, run = await _seed(db)
        for index in range(14):
            _add_event(
                db, task, run, EVENT_NEW_NOTE, f"新作品：{index}",
                payload={"note_id": f"n{index}", "title": f"标题{index}"},
            )
        await db.flush()

        message = await notify.build_run_message(db, task, run)

        assert "新增作品 **14** 篇" in message
        assert "标题0" in message
        assert "标题13" not in message
        assert "等共 14 篇" in message

    @pytest.mark.asyncio
    async def test_failure_is_reported_as_a_warning(self, db):
        task, run = await _seed(db)
        _add_event(
            db, task, run, EVENT_AUTH_FAILURE,
            "疑似登录态失效：本次未抓到任何作品", severity="error",
        )
        await db.flush()

        message = await notify.build_run_message(db, task, run)

        assert "异常" in message
        assert "登录态失效" in message
        assert notify._COLOR_WARNING in message

    @pytest.mark.asyncio
    async def test_baseline_runs_say_so(self, db):
        task, run = await _seed(db)
        run.is_baseline = True
        _add_event(db, task, run, EVENT_NEW_NOTE, "新作品", payload={"note_id": "x", "title": "t"})
        await db.flush()

        message = await notify.build_run_message(db, task, run)

        assert "基线" in message


# --------------------------------------------------------------------------
# notify_run gating
# --------------------------------------------------------------------------

class TestNotifyRunGating:
    @pytest.mark.asyncio
    async def test_disabled_task_is_skipped(self, db, monkeypatch):
        task, run = await _seed(db, notify_enabled=False)
        _add_event(db, task, run, EVENT_NEW_NOTE, "新作品", payload={"note_id": "x", "title": "t"})
        await set_setting(db, SETTING_WECOM_WEBHOOK, WEBHOOK)
        await db.flush()

        called = []
        monkeypatch.setattr(notify, "send_wecom", lambda *a, **k: called.append(a) or _ok())

        assert await notify.notify_run(db, task, run) is None
        assert called == []

    @pytest.mark.asyncio
    async def test_missing_webhook_is_skipped(self, db, monkeypatch):
        task, run = await _seed(db, notify_enabled=True)
        _add_event(db, task, run, EVENT_NEW_NOTE, "新作品", payload={"note_id": "x", "title": "t"})
        await db.flush()

        called = []
        monkeypatch.setattr(notify, "send_wecom", lambda *a, **k: called.append(a) or _ok())

        assert await notify.notify_run(db, task, run) is None
        assert called == []

    @pytest.mark.asyncio
    async def test_successful_push_records_the_timestamp(self, db, monkeypatch):
        task, run = await _seed(db, notify_enabled=True)
        _add_event(db, task, run, EVENT_NEW_NOTE, "新作品", payload={"note_id": "x", "title": "t"})
        await set_setting(db, SETTING_WECOM_WEBHOOK, WEBHOOK)
        await db.flush()

        monkeypatch.setattr(notify, "send_wecom", lambda *a, **k: _ok())

        message = await notify.notify_run(db, task, run)

        assert message is not None
        # Lets the UI answer "why did I not get a push for this run?".
        assert task.last_notified_at is not None

    @pytest.mark.asyncio
    async def test_push_failure_never_raises(self, db, monkeypatch):
        """A broken webhook must not take down the crawl that just succeeded."""
        task, run = await _seed(db, notify_enabled=True)
        _add_event(db, task, run, EVENT_NEW_NOTE, "新作品", payload={"note_id": "x", "title": "t"})
        await set_setting(db, SETTING_WECOM_WEBHOOK, WEBHOOK)
        await db.flush()

        async def _boom(*args, **kwargs):
            raise RuntimeError("network exploded")

        monkeypatch.setattr(notify, "send_wecom", _boom)

        assert await notify.notify_run(db, task, run) is None


async def _ok():
    return True, "发送成功"


# --------------------------------------------------------------------------
# send_wecom
# --------------------------------------------------------------------------

class _FakeResponse:
    def __init__(self, payload):
        self._payload = payload

    def raise_for_status(self):
        return None

    def json(self):
        return self._payload


class _FakeClient:
    """Captures the request and replays a canned WeCom reply."""

    last_payload = None

    def __init__(self, reply=None, error=None):
        self._reply = reply if reply is not None else {"errcode": 0, "errmsg": "ok"}
        self._error = error

    def __call__(self, *args, **kwargs):
        return self

    async def __aenter__(self):
        return self

    async def __aexit__(self, *exc):
        return False

    async def post(self, url, json=None):
        if self._error:
            raise self._error
        type(self).last_payload = json
        return _FakeResponse(self._reply)


class TestSendWecom:
    @pytest.mark.asyncio
    async def test_missing_url_is_reported(self):
        ok, detail = await notify.send_wecom("", "hi")
        assert ok is False
        assert "未配置" in detail

    @pytest.mark.asyncio
    async def test_success(self, monkeypatch):
        monkeypatch.setattr(notify.httpx, "AsyncClient", _FakeClient())

        ok, detail = await notify.send_wecom(WEBHOOK, "**标题**\n> 内容")

        assert ok is True
        assert detail == "发送成功"
        # WeCom expects a markdown message envelope.
        assert _FakeClient.last_payload["msgtype"] == "markdown"
        assert _FakeClient.last_payload["markdown"]["content"] == "**标题**\n> 内容"

    @pytest.mark.asyncio
    async def test_nonzero_errcode_is_a_failure(self, monkeypatch):
        """WeCom answers HTTP 200 even when it rejects the message."""
        monkeypatch.setattr(
            notify.httpx, "AsyncClient",
            _FakeClient(reply={"errcode": 93000, "errmsg": "invalid webhook url"}),
        )

        ok, detail = await notify.send_wecom(WEBHOOK, "hi")

        assert ok is False
        assert "93000" in detail

    @pytest.mark.asyncio
    async def test_network_error_is_returned_not_raised(self, monkeypatch):
        import httpx

        monkeypatch.setattr(
            notify.httpx, "AsyncClient",
            _FakeClient(error=httpx.ConnectError("boom")),
        )

        ok, detail = await notify.send_wecom(WEBHOOK, "hi")

        assert ok is False
        assert "请求失败" in detail