"""积分系统 Repository 层单元测试 (#1895)"""

from __future__ import annotations

import uuid
from datetime import UTC, date, datetime, timezone

import pytest
from sqlalchemy import create_engine
from sqlalchemy.orm import sessionmaker

from packages.adapters.sqlalchemy_impl.daily_usage_repository import SQLAlchemyDailyUsageRepository
from packages.adapters.sqlalchemy_impl.models import (
    Base,
    DailyUsageRecordModel,
    PointsAccountModel,
    PointsOrderModel,
    PointsTransactionModel,
    UserModel,
)
from packages.adapters.sqlalchemy_impl.points_account_repository import SQLAlchemyPointsAccountRepository
from packages.adapters.sqlalchemy_impl.points_order_repository import SQLAlchemyPointsOrderRepository
from packages.adapters.sqlalchemy_impl.points_transaction_repository import SQLAlchemyPointsTransactionRepository
from packages.domain.daily_usage_record import DailyUsageRecord
from packages.domain.points_account import PointsAccount
from packages.domain.points_order import PointsOrder
from packages.domain.points_transaction import PointsTransaction


@pytest.fixture()
def db_session():
    engine = create_engine("sqlite://", echo=False)
    Base.metadata.create_all(engine)
    SessionLocal = sessionmaker(bind=engine)
    session = SessionLocal()
    # 创建测试用户
    user = UserModel(
        id="test-user-1",
        email="test@example.com",
        username="testuser",
        display_name="Test User",
        password_hash="xxx",
    )
    session.add(user)
    session.commit()
    yield session
    session.close()


@pytest.fixture()
def account_repo(db_session):
    return SQLAlchemyPointsAccountRepository(db_session)


@pytest.fixture()
def txn_repo(db_session):
    return SQLAlchemyPointsTransactionRepository(db_session)


@pytest.fixture()
def order_repo(db_session):
    return SQLAlchemyPointsOrderRepository(db_session)


@pytest.fixture()
def daily_repo(db_session):
    return SQLAlchemyDailyUsageRepository(db_session)


# ── PointsAccountRepository ──


class TestPointsAccountRepository:
    def test_create_and_get(self, account_repo):
        account = PointsAccount.create(user_id="test-user-1")
        result = account_repo.create(account)
        assert result.user_id == "test-user-1"

        fetched = account_repo.get_by_user_id("test-user-1")
        assert fetched is not None
        assert fetched.id == account.id
        assert fetched.balance == 0

    def test_get_nonexistent(self, account_repo):
        result = account_repo.get_by_user_id("nonexistent")
        assert result is None

    def test_update_balance(self, account_repo):
        account = PointsAccount.create(user_id="test-user-1")
        account_repo.create(account)

        account.balance = 100
        account.total_earned = 150
        account.total_spent = 50
        updated = account_repo.update_balance(account)
        assert updated.balance == 100

        fetched = account_repo.get_by_user_id("test-user-1")
        assert fetched.balance == 100
        assert fetched.total_earned == 150
        assert fetched.total_spent == 50


# ── PointsTransactionRepository ──


class TestPointsTransactionRepository:
    def test_create_and_list(self, txn_repo):
        txn = PointsTransaction.create(
            user_id="test-user-1",
            account_id="acc-1",
            type="add",
            source="recharge",
            amount=100,
            balance_after=100,
            description="充值",
        )
        txn_repo.create(txn)

        items, total = txn_repo.list_by_user("test-user-1")
        assert total == 1
        assert items[0].amount == 100
        assert items[0].type == "add"

    def test_list_with_type_filter(self, txn_repo):
        for t in ["add", "deduct", "add"]:
            txn = PointsTransaction.create(
                user_id="test-user-1",
                account_id="acc-1",
                type=t,
                source="test",
                amount=10,
                balance_after=10,
            )
            txn_repo.create(txn)

        items, total = txn_repo.list_by_user("test-user-1", type="add")
        assert total == 2

    def test_list_with_source_filter(self, txn_repo):
        for s in ["recharge", "ai_voice", "recharge"]:
            txn = PointsTransaction.create(
                user_id="test-user-1",
                account_id="acc-1",
                type="add",
                source=s,
                amount=10,
                balance_after=10,
            )
            txn_repo.create(txn)

        items, total = txn_repo.list_by_user("test-user-1", source="recharge")
        assert total == 2

    def test_list_pagination(self, txn_repo):
        for _i in range(5):
            txn = PointsTransaction.create(
                user_id="test-user-1",
                account_id="acc-1",
                type="add",
                source="test",
                amount=10,
                balance_after=10,
            )
            txn_repo.create(txn)

        items, total = txn_repo.list_by_user("test-user-1", page=1, page_size=3)
        assert total == 5
        assert len(items) == 3

        items2, _ = txn_repo.list_by_user("test-user-1", page=2, page_size=3)
        assert len(items2) == 2


# ── PointsOrderRepository ──


class TestPointsOrderRepository:
    def test_create_and_get(self, order_repo):
        order = PointsOrder.create(
            user_id="test-user-1",
            order_type="points",
            product_code="starter_pack",
            amount_cents=990,
            points_amount=100,
        )
        order_repo.create(order)

        fetched = order_repo.get(order.id)
        assert fetched is not None
        assert fetched.product_code == "starter_pack"
        assert fetched.amount_cents == 990

    def test_get_nonexistent(self, order_repo):
        assert order_repo.get("nonexistent") is None

    def test_update_status(self, order_repo):
        order = PointsOrder.create(
            user_id="test-user-1",
            order_type="points",
            product_code="starter_pack",
            amount_cents=990,
        )
        order_repo.create(order)

        now = datetime.now(UTC)
        updated = order_repo.update_status(order.id, "paid", payment_id="pay-123", paid_at=now)
        assert updated is not None
        assert updated.status == "paid"
        assert updated.payment_id == "pay-123"

    def test_update_status_nonexistent(self, order_repo):
        result = order_repo.update_status("nonexistent", "paid")
        assert result is None

    def test_list_by_user(self, order_repo):
        for ot in ["points", "membership", "points"]:
            order = PointsOrder.create(
                user_id="test-user-1",
                order_type=ot,
                product_code="test",
                amount_cents=100,
            )
            order_repo.create(order)

        items, total = order_repo.list_by_user("test-user-1", order_type="points")
        assert total == 2

    def test_list_by_user_with_status(self, order_repo):
        order = PointsOrder.create(
            user_id="test-user-1",
            order_type="points",
            product_code="test",
            amount_cents=100,
        )
        order_repo.create(order)

        items, total = order_repo.list_by_user("test-user-1", status="pending")
        assert total == 1
        items2, total2 = order_repo.list_by_user("test-user-1", status="paid")
        assert total2 == 0


# ── DailyUsageRepository ──


class TestDailyUsageRepository:
    def _today(self):
        # The model column is DateTime, so use datetime for comparison
        from datetime import datetime

        now = datetime.now(UTC)
        return now.replace(hour=0, minute=0, second=0, microsecond=0)

    def test_create_and_get(self, daily_repo):
        today = self._today()
        record = DailyUsageRecord.create(user_id="test-user-1", usage_date=today)
        record.count = 1
        daily_repo.create(record)

        fetched = daily_repo.get_by_user_and_date("test-user-1", today)
        assert fetched is not None
        assert fetched.count == 1

    def test_get_nonexistent(self, daily_repo):
        from datetime import timedelta

        tomorrow = self._today() + timedelta(days=1)
        result = daily_repo.get_by_user_and_date("test-user-1", tomorrow)
        assert result is None

    def test_update_count(self, daily_repo):
        today = self._today()
        record = DailyUsageRecord.create(user_id="test-user-1", usage_date=today)
        record.count = 1
        daily_repo.create(record)

        record.count = 3
        daily_repo.update_count(record)

        fetched = daily_repo.get_by_user_and_date("test-user-1", today)
        assert fetched.count == 3

    def test_upsert_create(self, daily_repo):
        today = self._today()
        result = daily_repo.upsert("test-user-1", today, "free_clip")
        assert result.count == 1

    def test_upsert_increment(self, daily_repo):
        today = self._today()
        daily_repo.upsert("test-user-1", today, "free_clip")
        result = daily_repo.upsert("test-user-1", today, "free_clip")
        assert result.count == 2