"""Tests for GET /api/departments, /api/staff, /api/accounts.

Seeds a small org (3 departments, 3 staff, 2 wechat + 1 whatsapp accounts) and
asserts shape + filters + pagination across all three endpoints.
"""

from __future__ import annotations

from sqlalchemy.ext.asyncio import AsyncSession

from app.db.models import Department, Staff, WechatAccount, WhatsappAccount


async def _seed(session: AsyncSession) -> None:
    session.add_all(
        [
            Department(dept_id="root", parent_id=None, name="Root", path="root"),
            Department(
                dept_id="d1", parent_id="root", name="Sales", path="root/d1"
            ),
            Department(
                dept_id="d2", parent_id="root", name="Support", path="root/d2"
            ),
            Staff(
                user_id="u1",
                name="Alice",
                dept_id="d1",
                is_on_job=True,
                phone="111",
                # Verbatim upstream staff record — the all-fields drawer reads
                # these camelCase keys off raw_json.
                raw_json={
                    "userId": "u1",
                    "userName": "Alice",
                    "sale_phone": "111",
                    "deptId": "d1",
                },
            ),
            Staff(
                user_id="u2",
                name="Bob",
                dept_id="d2",
                is_on_job=False,
                raw_json=None,
            ),
            Staff(user_id="u3", name="Carol", dept_id="d1", is_on_job=True),
            WechatAccount(
                wx_id="wx_a",
                nick_name="WxOne",
                user_id="u1",
                user_name="Alice",
                phone="111",
                contacts_num=10,
                group_num=2,
                is_on_job=True,
                raw_json={
                    "wechatId": "wx_a",
                    "nickName": "WxOne",
                    "alias": "alice_wx",
                    "sendNum": 120,
                    "receiveNum": 80,
                    "dbSize": 2048,
                    "onlineStatus": "online",
                },
            ),
            WechatAccount(
                wx_id="wx_b",
                nick_name="WxTwo",
                user_id="u2",
                contacts_num=5,
                is_on_job=False,
                raw_json=None,
            ),
            WhatsappAccount(
                uid="wa_c@s.whatsapp.net",
                nick_name="WaOne",
                user_id="u3",
                user_name="Carol",
                phone="333",
                contacts_num=7,
                group_num=1,
                is_on_job=True,
                raw_json={
                    "uid": "wa_c@s.whatsapp.net",
                    "nickName": "WaOne",
                    "talkerCount": 7,
                    "friendAddNum": 3,
                },
            ),
        ]
    )
    await session.commit()


async def test_departments_returns_all_ordered_by_path(make_client):
    """``GET /api/departments`` -> plain list, ordered by ``path``."""
    client = await make_client(_seed)
    r = await client.get("/api/departments")
    assert r.status_code == 200
    items = r.json()
    assert isinstance(items, list)
    assert len(items) == 3
    # Path order: root, root/d1, root/d2
    assert [it["dept_id"] for it in items] == ["root", "d1", "d2"]
    # Shape
    for key in ("dept_id", "parent_id", "name", "path"):
        assert key in items[0]


async def test_staff_default_page_returns_all(make_client):
    """``GET /api/staff`` -> 3 rows, page 1 / page_size 20."""
    client = await make_client(_seed)
    r = await client.get("/api/staff")
    assert r.status_code == 200
    body = r.json()
    assert body["page"] == 1
    assert body["page_size"] == 20
    assert body["total"] == 3
    assert len(body["items"]) == 3
    for key in (
        "user_id",
        "name",
        "phone",
        "sale_phone",
        "dept_id",
        "is_on_job",
        "raw_json",
    ):
        assert key in body["items"][0]


async def test_staff_raw_json_serializes_verbatim(make_client):
    """``raw_json`` round-trips the verbatim staff record unmolested.

    Seeded ``u1`` carries a populated blob; ``u2`` has NULL raw_json; ``u3``
    omits it entirely. All three must serialize (populated dict vs null).
    """
    client = await make_client(_seed)
    r = await client.get("/api/staff")
    assert r.status_code == 200
    by_id = {it["user_id"]: it for it in r.json()["items"]}

    assert by_id["u1"]["raw_json"] == {
        "userId": "u1",
        "userName": "Alice",
        "sale_phone": "111",
        "deptId": "d1",
    }
    assert by_id["u2"]["raw_json"] is None
    assert by_id["u3"]["raw_json"] is None


async def test_staff_filter_by_department_id(make_client):
    """``?department_id=d1`` -> 2 staff (Alice + Carol)."""
    client = await make_client(_seed)
    r = await client.get("/api/staff", params={"department_id": "d1"})
    assert r.status_code == 200
    body = r.json()
    assert body["total"] == 2
    assert {it["user_id"] for it in body["items"]} == {"u1", "u3"}


async def test_staff_filter_by_is_on_job(make_client):
    """``?is_on_job=true`` -> 2 on-job staff (Alice + Carol)."""
    client = await make_client(_seed)
    r = await client.get("/api/staff", params={"is_on_job": "true"})
    assert r.status_code == 200
    body = r.json()
    assert body["total"] == 2
    assert all(it["is_on_job"] is True for it in body["items"])


async def test_staff_filters_compose(make_client):
    """``department_id=d1 & is_on_job=true`` AND together -> still 2."""
    client = await make_client(_seed)
    r = await client.get(
        "/api/staff", params={"department_id": "d1", "is_on_job": "true"}
    )
    assert r.status_code == 200
    assert r.json()["total"] == 2


async def test_staff_pagination(make_client):
    """``page_size=1&page=2`` -> 1 item; total still 3."""
    client = await make_client(_seed)
    r = await client.get("/api/staff", params={"page": 2, "page_size": 1})
    assert r.status_code == 200
    body = r.json()
    assert body["total"] == 3
    assert len(body["items"]) == 1


async def test_accounts_default_returns_both_channels(make_client):
    """``GET /api/accounts`` with no channel -> 3 rows across both tables."""
    client = await make_client(_seed)
    r = await client.get("/api/accounts")
    assert r.status_code == 200
    body = r.json()
    assert body["total"] == 3
    # Sorted by (channel, account_id): wechat first, then whatsapp.
    ids = [(it["channel"], it["account_id"]) for it in body["items"]]
    assert ids == [
        ("wechat", "wx_a"),
        ("wechat", "wx_b"),
        ("whatsapp", "wa_c@s.whatsapp.net"),
    ]
    # Unified shape exposes channel + key fields.
    item = body["items"][0]
    for key in (
        "channel",
        "account_id",
        "nickname",
        "user_id",
        "user_name",
        "phone",
        "contacts_num",
        "group_num",
        "is_on_job",
        "raw_json",
    ):
        assert key in item
    assert item["channel"] == "wechat"
    assert item["nickname"] == "WxOne"
    assert item["user_name"] == "Alice"


async def test_accounts_raw_json_serializes_verbatim(make_client):
    """``raw_json`` round-trips the verbatim account record for both channels.

    Seeded ``wx_a`` and the whatsapp account carry populated blobs; ``wx_b``
    has NULL raw_json. All three must serialize (populated dict vs null).
    """
    client = await make_client(_seed)
    r = await client.get("/api/accounts")
    assert r.status_code == 200
    by_id = {(it["channel"], it["account_id"]): it for it in r.json()["items"]}

    wx_a = by_id[("wechat", "wx_a")]
    assert wx_a["raw_json"] == {
        "wechatId": "wx_a",
        "nickName": "WxOne",
        "alias": "alice_wx",
        "sendNum": 120,
        "receiveNum": 80,
        "dbSize": 2048,
        "onlineStatus": "online",
    }

    wa = by_id[("whatsapp", "wa_c@s.whatsapp.net")]
    assert wa["raw_json"] == {
        "uid": "wa_c@s.whatsapp.net",
        "nickName": "WaOne",
        "talkerCount": 7,
        "friendAddNum": 3,
    }

    # NULL raw_json serializes as JSON null.
    assert by_id[("wechat", "wx_b")]["raw_json"] is None


async def test_accounts_filter_channel_wechat(make_client):
    """``?channel=wechat`` -> only the 2 wechat accounts."""
    client = await make_client(_seed)
    r = await client.get("/api/accounts", params={"channel": "wechat"})
    assert r.status_code == 200
    body = r.json()
    assert body["total"] == 2
    assert all(it["channel"] == "wechat" for it in body["items"])


async def test_accounts_filter_channel_whatsapp(make_client):
    """``?channel=whatsapp`` -> the single whatsapp account."""
    client = await make_client(_seed)
    r = await client.get("/api/accounts", params={"channel": "whatsapp"})
    assert r.status_code == 200
    body = r.json()
    assert body["total"] == 1
    assert body["items"][0]["account_id"] == "wa_c@s.whatsapp.net"
    assert body["items"][0]["user_name"] == "Carol"


async def test_accounts_pagination(make_client):
    """``page_size=2&page=1`` -> 2 items, total 3; page 2 -> 1 item."""
    client = await make_client(_seed)
    r1 = await client.get("/api/accounts", params={"page": 1, "page_size": 2})
    assert r1.status_code == 200
    b1 = r1.json()
    assert b1["total"] == 3
    assert len(b1["items"]) == 2

    r2 = await client.get("/api/accounts", params={"page": 2, "page_size": 2})
    assert r2.status_code == 200
    b2 = r2.json()
    assert len(b2["items"]) == 1
    assert b2["items"][0]["account_id"] == "wa_c@s.whatsapp.net"


async def test_accounts_avatar_from_raw_json(make_client):
    """``avatar`` 从 raw_json.headImageUrl 提取(对齐云客员工聊天窗口左侧头像)。

    WeChat wxUser/list 原始记录带 ``headImageUrl``;WhatsApp businessSalesList
    原始记录无该键(抓包确认,见 wa_accounts_fixture) -> None。NULL raw_json
    同样 -> None。
    """

    async def seed(s: AsyncSession) -> None:
        s.add_all(
            [
                WechatAccount(
                    wx_id="wx_av",
                    nick_name="WxAv",
                    raw_json={
                        "wechatId": "wx_av",
                        "headImageUrl": "https://wx.qlogo.cn/a/0",
                    },
                ),
                WechatAccount(wx_id="wx_noav", nick_name="WxNoAv", raw_json=None),
                WhatsappAccount(
                    uid="wa_av@s.whatsapp.net",
                    nick_name="WaAv",
                    raw_json={"uid": "wa_av@s.whatsapp.net", "nickName": "WaAv"},
                ),
            ]
        )
        await s.commit()

    client = await make_client(seed)

    r = await client.get("/api/accounts", params={"channel": "wechat"})
    assert r.status_code == 200
    by_id = {it["account_id"]: it for it in r.json()["items"]}
    assert by_id["wx_av"]["avatar"] == "https://wx.qlogo.cn/a/0"
    assert by_id["wx_noav"]["avatar"] is None  # NULL raw_json

    r2 = await client.get("/api/accounts", params={"channel": "whatsapp"})
    assert r2.status_code == 200
    assert r2.json()["items"][0]["avatar"] is None  # WA raw 无头像键