"""Admin M3 写接口测试:调金币/封号/反馈/提现/admin账号。

验证:写操作落审计 + 金币写流水 + 扣负拒绝 + 角色守卫 + 提现复用 wallet(mock wxpay)。
"""
from __future__ import annotations

import pytest
from fastapi.testclient import TestClient
from sqlalchemy import select

from app.admin.main import admin_app
from app.admin.repositories import admin_user as admin_repo
from app.core.security import hash_password
from app.db.session import SessionLocal
from app.models.admin import AdminAuditLog
from app.models.feedback import Feedback
from app.models.user import User
from app.models.wallet import CoinAccount, CoinTransaction, WithdrawOrder
from app.repositories import user as user_repo


@pytest.fixture()
def admin_client() -> TestClient:
    return TestClient(admin_app)


def _token(username: str, role: str) -> str:
    db = SessionLocal()
    try:
        a = admin_repo.get_by_username(db, username)
        if a is None:
            admin_repo.create_admin(db, username=username, password="pass1234", role=role)
        else:
            a.password_hash = hash_password("pass1234")
            a.role = role
            a.status = "active"
            db.commit()
    finally:
        db.close()
    c = TestClient(admin_app)
    return c.post(
        "/admin/api/auth/login", json={"username": username, "password": "pass1234"}
    ).json()["access_token"]


@pytest.fixture()
def super_token() -> str:
    return _token("w_super", "super_admin")


@pytest.fixture()
def finance_token() -> str:
    return _token("w_finance", "finance")


@pytest.fixture()
def operator_token() -> str:
    return _token("w_operator", "operator")


def _auth(token: str) -> dict:
    return {"Authorization": f"Bearer {token}"}


def _seed_user(phone: str) -> int:
    db = SessionLocal()
    try:
        return user_repo.upsert_user_for_login(db, phone=phone, register_channel="sms").id
    finally:
        db.close()


def _seed_feedback(phone: str) -> int:
    uid = _seed_user(phone)
    db = SessionLocal()
    try:
        fb = Feedback(user_id=uid, content="测试", contact="wx", status="pending")
        db.add(fb)
        db.commit()
        return fb.id
    finally:
        db.close()


# ===== 调金币 =====

def test_grant_coins_writes_txn_and_audit(admin_client: TestClient, finance_token: str) -> None:
    uid = _seed_user("13900000001")
    r = admin_client.post(
        f"/admin/api/users/{uid}/coins", json={"amount": 1000, "reason": "补偿"},
        headers=_auth(finance_token),
    )
    assert r.status_code == 200, r.text
    db = SessionLocal()
    try:
        assert db.get(CoinAccount, uid).coin_balance == 1000
        txns = db.execute(
            select(CoinTransaction).where(
                CoinTransaction.user_id == uid, CoinTransaction.biz_type == "admin_grant"
            )
        ).scalars().all()
        assert len(txns) == 1 and txns[0].amount == 1000
        logs = db.execute(
            select(AdminAuditLog).where(
                AdminAuditLog.action == "user.coins.grant", AdminAuditLog.target_id == str(uid)
            )
        ).scalars().all()
        assert len(logs) == 1 and logs[0].detail["amount"] == 1000
    finally:
        db.close()


def test_deduct_below_zero_rejected(admin_client: TestClient, finance_token: str) -> None:
    uid = _seed_user("13900000002")
    r = admin_client.post(
        f"/admin/api/users/{uid}/coins", json={"amount": -999999, "reason": "扣"},
        headers=_auth(finance_token),
    )
    assert r.status_code == 400
    db = SessionLocal()
    try:
        txns = db.execute(
            select(CoinTransaction).where(CoinTransaction.user_id == uid)
        ).scalars().all()
        assert len(txns) == 0  # 拒绝后无流水(原子:都不发生)
    finally:
        db.close()


def test_grant_zero_rejected(admin_client: TestClient, finance_token: str) -> None:
    uid = _seed_user("13900000008")
    r = admin_client.post(
        f"/admin/api/users/{uid}/coins", json={"amount": 0, "reason": "x"},
        headers=_auth(finance_token),
    )
    assert r.status_code == 400


def test_set_coins_writes_delta_txn(admin_client: TestClient, finance_token: str) -> None:
    """set 模式:先有余额,再设为目标值,只写一笔差值流水,审计带 mode/target/before。"""
    uid = _seed_user("13900000009")
    # 先增到 300
    admin_client.post(
        f"/admin/api/users/{uid}/coins", json={"amount": 300, "reason": "底"},
        headers=_auth(finance_token),
    )
    # 设为 100 → 差值 -200(扣减)
    r = admin_client.post(
        f"/admin/api/users/{uid}/coins", json={"mode": "set", "amount": 100, "reason": "设值"},
        headers=_auth(finance_token),
    )
    assert r.status_code == 200, r.text
    db = SessionLocal()
    try:
        assert db.get(CoinAccount, uid).coin_balance == 100
        txns = db.execute(
            select(CoinTransaction).where(CoinTransaction.user_id == uid)
            .order_by(CoinTransaction.id.desc())
        ).scalars().all()
        # 两笔:+300(admin_grant)、-200(admin_deduct)
        assert txns[0].amount == -200 and txns[0].biz_type == "admin_deduct"
        logs = db.execute(
            select(AdminAuditLog).where(
                AdminAuditLog.action == "user.coins.grant", AdminAuditLog.target_id == str(uid)
            ).order_by(AdminAuditLog.id.desc())
        ).scalars().all()
        assert logs[0].detail["mode"] == "set"
        assert logs[0].detail["target"] == 100
        assert logs[0].detail["before"] == 300
        assert logs[0].detail["amount"] == -200
    finally:
        db.close()


def test_set_coins_equal_balance_rejected(admin_client: TestClient, finance_token: str) -> None:
    """set 为当前余额(差值 0)→ 拒绝,不写流水。"""
    uid = _seed_user("13900000010")
    admin_client.post(
        f"/admin/api/users/{uid}/coins", json={"amount": 50, "reason": "底"},
        headers=_auth(finance_token),
    )
    r = admin_client.post(
        f"/admin/api/users/{uid}/coins", json={"mode": "set", "amount": 50, "reason": "x"},
        headers=_auth(finance_token),
    )
    assert r.status_code == 400
    db = SessionLocal()
    try:
        txns = db.execute(
            select(CoinTransaction).where(CoinTransaction.user_id == uid)
        ).scalars().all()
        assert len(txns) == 1  # 仅初始那笔,设值被拒后无新流水
    finally:
        db.close()


def test_set_coins_negative_target_rejected(admin_client: TestClient, finance_token: str) -> None:
    uid = _seed_user("13900000011")
    r = admin_client.post(
        f"/admin/api/users/{uid}/coins", json={"mode": "set", "amount": -1, "reason": "x"},
        headers=_auth(finance_token),
    )
    assert r.status_code == 400


def test_set_cash_writes_delta_txn(admin_client: TestClient, finance_token: str) -> None:
    """现金 set 模式:设为目标分值,写一笔差值流水。"""
    uid = _seed_user("13900000012")
    admin_client.post(
        f"/admin/api/users/{uid}/cash", json={"amount_cents": 500, "reason": "底"},
        headers=_auth(finance_token),
    )
    r = admin_client.post(
        f"/admin/api/users/{uid}/cash",
        json={"mode": "set", "amount_cents": 200, "reason": "设值"},
        headers=_auth(finance_token),
    )
    assert r.status_code == 200, r.text
    db = SessionLocal()
    try:
        assert db.get(CoinAccount, uid).cash_balance_cents == 200
        logs = db.execute(
            select(AdminAuditLog).where(
                AdminAuditLog.action == "user.cash.grant", AdminAuditLog.target_id == str(uid)
            ).order_by(AdminAuditLog.id.desc())
        ).scalars().all()
        assert logs[0].detail["mode"] == "set"
        assert logs[0].detail["target_cents"] == 200
        assert logs[0].detail["before_cents"] == 500
        assert logs[0].detail["amount_cents"] == -300
    finally:
        db.close()


# ===== 封号 =====

def test_set_user_status_and_audit(admin_client: TestClient, operator_token: str) -> None:
    uid = _seed_user("13900000003")
    r = admin_client.post(
        f"/admin/api/users/{uid}/status", json={"status": "disabled"}, headers=_auth(operator_token)
    )
    assert r.status_code == 200, r.text
    db = SessionLocal()
    try:
        assert db.get(User, uid).status == "disabled"
        logs = db.execute(
            select(AdminAuditLog).where(
                AdminAuditLog.action == "user.status.set", AdminAuditLog.target_id == str(uid)
            )
        ).scalars().all()
        assert logs[0].detail == {"before": "active", "after": "disabled"}
    finally:
        db.close()
    assert admin_client.post(
        f"/admin/api/users/{uid}/status", json={"status": "active"}, headers=_auth(operator_token)
    ).status_code == 200


# ===== 角色守卫 =====

def test_operator_cannot_grant_coins(admin_client: TestClient, operator_token: str) -> None:
    uid = _seed_user("13900000004")
    r = admin_client.post(
        f"/admin/api/users/{uid}/coins", json={"amount": 100, "reason": "x"},
        headers=_auth(operator_token),
    )
    assert r.status_code == 403


def test_finance_cannot_manage_admins(admin_client: TestClient, finance_token: str) -> None:
    assert admin_client.get("/admin/api/admins", headers=_auth(finance_token)).status_code == 403


def test_super_admin_can_grant_coins(admin_client: TestClient, super_token: str) -> None:
    uid = _seed_user("13900000005")
    r = admin_client.post(
        f"/admin/api/users/{uid}/coins", json={"amount": 50, "reason": "x"},
        headers=_auth(super_token),
    )
    assert r.status_code == 200


# ===== 反馈审核 =====

def test_approve_feedback_grants_coins_and_audit(
    admin_client: TestClient, operator_token: str
) -> None:
    fid = _seed_feedback("13900000006")
    r = admin_client.post(
        f"/admin/api/feedbacks/{fid}/approve",
        json={"reward_coins": 800, "note": "真实详细,已采纳"},
        headers=_auth(operator_token),
    )
    assert r.status_code == 200, r.text
    assert r.json()["status"] == "adopted"
    assert r.json()["reward_coins"] == 800
    db = SessionLocal()
    try:
        fb = db.get(Feedback, fid)
        assert fb is not None
        assert fb.status == "adopted"
        assert fb.reward_coins == 800
        assert fb.review_note == "真实详细,已采纳"
        assert fb.reviewed_by_admin_id is not None
        assert fb.reviewed_at is not None
        assert db.get(CoinAccount, fb.user_id).coin_balance == 800
        txns = db.execute(
            select(CoinTransaction).where(
                CoinTransaction.user_id == fb.user_id,
                CoinTransaction.biz_type == "feedback_reward",
                CoinTransaction.ref_id == str(fid),
            )
        ).scalars().all()
        assert len(txns) == 1 and txns[0].amount == 800
        logs = db.execute(
            select(AdminAuditLog).where(
                AdminAuditLog.action == "feedback.approve",
                AdminAuditLog.target_id == str(fid),
            )
        ).scalars().all()
        assert len(logs) == 1 and logs[0].detail["reward_coins"] == 800
    finally:
        db.close()

    r = admin_client.post(
        f"/admin/api/feedbacks/{fid}/approve",
        json={"reward_coins": 100},
        headers=_auth(operator_token),
    )
    assert r.status_code == 400


def test_reject_feedback_records_reason_and_no_coin(
    admin_client: TestClient, operator_token: str
) -> None:
    fid = _seed_feedback("13900000013")
    r = admin_client.post(
        f"/admin/api/feedbacks/{fid}/reject",
        json={"reason": "暂未提供可复现信息", "note": "信息不足"},
        headers=_auth(operator_token),
    )
    assert r.status_code == 200, r.text
    assert r.json()["status"] == "rejected"
    assert r.json()["reject_reason"] == "暂未提供可复现信息"
    db = SessionLocal()
    try:
        fb = db.get(Feedback, fid)
        assert fb is not None
        assert fb.status == "rejected"
        assert fb.reject_reason == "暂未提供可复现信息"
        assert fb.review_note == "信息不足"
        txns = db.execute(
            select(CoinTransaction).where(
                CoinTransaction.user_id == fb.user_id,
                CoinTransaction.biz_type == "feedback_reward",
                CoinTransaction.ref_id == str(fid),
            )
        ).scalars().all()
        assert txns == []
        logs = db.execute(
            select(AdminAuditLog).where(
                AdminAuditLog.action == "feedback.reject",
                AdminAuditLog.target_id == str(fid),
            )
        ).scalars().all()
        assert len(logs) == 1 and logs[0].detail["reason"] == "暂未提供可复现信息"
    finally:
        db.close()


# ===== admin 账号管理(super_admin) =====

def test_create_and_update_admin(admin_client: TestClient, super_token: str) -> None:
    r = admin_client.post(
        "/admin/api/admins",
        json={"username": "new_op", "password": "pass1234", "role": "operator"},
        headers=_auth(super_token),
    )
    assert r.status_code == 200, r.text
    new_id = r.json()["id"]
    r = admin_client.patch(
        f"/admin/api/admins/{new_id}", json={"role": "finance"}, headers=_auth(super_token)
    )
    assert r.status_code == 200 and r.json()["role"] == "finance"
    r = admin_client.post(
        "/admin/api/admins", json={"username": "new_op", "password": "pass1234"},
        headers=_auth(super_token),
    )
    assert r.status_code == 409


def test_cannot_disable_self(admin_client: TestClient, super_token: str) -> None:
    me = admin_client.get("/admin/api/auth/me", headers=_auth(super_token)).json()
    r = admin_client.patch(
        f"/admin/api/admins/{me['id']}", json={"status": "disabled"}, headers=_auth(super_token)
    )
    assert r.status_code == 400


# ===== 提现重试 / 对账(mock wxpay,不真调微信) =====

def test_withdraw_refresh(admin_client: TestClient, finance_token: str, monkeypatch) -> None:
    uid = _seed_user("13900000007")
    db = SessionLocal()
    try:
        db.add(WithdrawOrder(
            user_id=uid, out_bill_no="adminrefresh0001", amount_cents=100, status="pending"
        ))
        db.commit()
    finally:
        db.close()
    from app.repositories import wallet as wr
    monkeypatch.setattr(
        wr.wxpay, "query_transfer",
        lambda obn: {"status_code": 200, "data": {"state": "SUCCESS"}},
    )
    r = admin_client.post(
        "/admin/api/withdraws/adminrefresh0001/refresh", headers=_auth(finance_token)
    )
    assert r.status_code == 200, r.text
    assert r.json()["status"] == "success"
    db = SessionLocal()
    try:
        logs = db.execute(
            select(AdminAuditLog).where(AdminAuditLog.action == "withdraw.refresh")
        ).scalars().all()
        assert any(x.target_id == "adminrefresh0001" for x in logs)
    finally:
        db.close()


def test_withdraw_refresh_404(admin_client: TestClient, finance_token: str) -> None:
    assert admin_client.post(
        "/admin/api/withdraws/nope999notexist/refresh", headers=_auth(finance_token)
    ).status_code == 404


def test_withdraw_reconcile(admin_client: TestClient, finance_token: str, monkeypatch) -> None:
    from app.repositories import wallet as wr
    monkeypatch.setattr(
        wr.wxpay, "query_transfer",
        lambda obn: {"status_code": 200, "data": {"state": "SUCCESS"}},
    )
    r = admin_client.post(
        "/admin/api/withdraws/reconcile", params={"older_than_minutes": 0},
        headers=_auth(finance_token),
    )
    assert r.status_code == 200, r.text
    assert "checked" in r.json() and "resolved" in r.json()
