"""AuctionHouse 与 WealthTracker 单元测试"""

import pytest

from agentkit.marketplace.auction import AuctionHouse, AuctionResult, Bid
from agentkit.marketplace.wealth import WealthTracker


# ---- Fixtures ----


@pytest.fixture
def wealth_tracker():
    return WealthTracker()


@pytest.fixture
def auction_house():
    return AuctionHouse()


@pytest.fixture
def auction_house_with_tracker():
    tracker = WealthTracker()
    return AuctionHouse(wealth_tracker=tracker), tracker


def make_bid(
    agent_name: str = "agent_a",
    architecture: str = "react",
    estimated_steps: int = 5,
    estimated_cost: float = 10.0,
    confidence: float = 0.8,
    payment_offer: float = 1.0,
    capabilities: list[str] | None = None,
) -> Bid:
    return Bid(
        agent_name=agent_name,
        architecture=architecture,
        estimated_steps=estimated_steps,
        estimated_cost=estimated_cost,
        confidence=confidence,
        payment_offer=payment_offer,
        capabilities=capabilities or [],
    )


# ---- AuctionHouse 测试 ----


class TestAuctionHouseSingleBidder:
    """单一竞价者自动获胜"""

    @pytest.mark.asyncio
    async def test_single_bidder_wins(self, auction_house):
        bid = make_bid(agent_name="solo_agent")
        result = await auction_house.run_auction("do something", [bid])
        assert result.winner is not None
        assert result.winner.agent_name == "solo_agent"
        assert result.total_bidders == 1


class TestAuctionHouseMultipleBidders:
    """多竞价者，最高分获胜"""

    @pytest.mark.asyncio
    async def test_highest_score_wins(self, auction_house):
        bid_low = make_bid(
            agent_name="low_agent",
            confidence=0.5,
            estimated_cost=10.0,
        )
        bid_high = make_bid(
            agent_name="high_agent",
            confidence=0.9,
            estimated_cost=10.0,
        )
        result = await auction_house.run_auction("do something", [bid_low, bid_high])
        assert result.winner is not None
        assert result.winner.agent_name == "high_agent"


class TestAuctionHouseNoBidders:
    """无竞价者返回 None winner"""

    @pytest.mark.asyncio
    async def test_no_bidders_returns_none(self, auction_house):
        result = await auction_house.run_auction("do something", [])
        assert result.winner is None
        assert result.total_bidders == 0
        assert result.all_bids == []


class TestAuctionHouseWealthFactor:
    """财富因子影响评分"""

    @pytest.mark.asyncio
    async def test_wealth_factor_affects_scoring(self):
        tracker = WealthTracker()
        # Give agent_rich more wealth
        tracker.reward("agent_rich", 500.0)
        house = AuctionHouse(wealth_tracker=tracker)

        # Same confidence and cost, but different wealth
        bid_rich = make_bid(agent_name="agent_rich", confidence=0.8, estimated_cost=10.0)
        bid_poor = make_bid(agent_name="agent_poor", confidence=0.8, estimated_cost=10.0)

        result = await house.run_auction("do something", [bid_rich, bid_poor])
        assert result.winner is not None
        assert result.winner.agent_name == "agent_rich"


class TestAuctionHouseZeroCost:
    """零 estimated_cost 处理（max 与 0.001）"""

    @pytest.mark.asyncio
    async def test_zero_estimated_cost_handled(self, auction_house):
        bid = make_bid(agent_name="zero_cost_agent", confidence=0.8, estimated_cost=0.0)
        result = await auction_house.run_auction("do something", [bid])
        assert result.winner is not None
        assert result.winner.agent_name == "zero_cost_agent"

    def test_score_bid_zero_cost(self, auction_house):
        bid = make_bid(agent_name="zero_cost_agent", confidence=0.8, estimated_cost=0.0)
        score = auction_house.score_bid(bid)
        # score = (0.8 / max(0.0, 0.001)) * 1.1 = (0.8 / 0.001) * 1.1 = 880.0
        expected = (0.8 / 0.001) * 1.1
        assert abs(score - expected) < 0.01


class TestBidScoringFormula:
    """竞价评分公式验证"""

    def test_score_formula(self):
        tracker = WealthTracker()
        # Default wealth = 100, so wealth_factor = 1.0 + (100 / 1000.0) = 1.1
        house = AuctionHouse(wealth_tracker=tracker)

        bid = make_bid(agent_name="test_agent", confidence=0.9, estimated_cost=5.0)
        score = house.score_bid(bid)

        wealth_factor = 1.0 + (100.0 / 1000.0)  # 1.1
        expected = (0.9 / 5.0) * wealth_factor
        assert abs(score - expected) < 0.0001

    def test_score_formula_with_custom_wealth(self):
        tracker = WealthTracker(initial_wealth=200.0)
        tracker.reward("rich_agent", 300.0)
        # wealth = 500, factor = 1.0 + 500/1000 = 1.5
        house = AuctionHouse(wealth_tracker=tracker)

        bid = make_bid(agent_name="rich_agent", confidence=0.6, estimated_cost=3.0)
        score = house.score_bid(bid)

        wealth_factor = 1.0 + (500.0 / 1000.0)  # 1.5
        expected = (0.6 / 3.0) * wealth_factor
        assert abs(score - expected) < 0.0001


# ---- WealthTracker 测试 ----


class TestWealthTrackerInitialWealth:
    """初始财富默认值"""

    def test_default_initial_wealth(self):
        tracker = WealthTracker()
        assert tracker.get_wealth("unknown_agent") == 100.0

    def test_custom_initial_wealth(self):
        tracker = WealthTracker(initial_wealth=50.0)
        assert tracker.get_wealth("unknown_agent") == 50.0


class TestWealthTrackerReward:
    """奖励增加财富"""

    def test_reward_increases_wealth(self, wealth_tracker):
        wealth_tracker.reward("agent_a", 50.0)
        assert wealth_tracker.get_wealth("agent_a") == 150.0

    def test_reward_multiple_times(self, wealth_tracker):
        wealth_tracker.reward("agent_a", 30.0)
        wealth_tracker.reward("agent_a", 20.0)
        assert wealth_tracker.get_wealth("agent_a") == 150.0


class TestWealthTrackerPenalize:
    """惩罚减少财富"""

    def test_penalize_decreases_wealth(self, wealth_tracker):
        wealth_tracker.penalize("agent_a", 30.0)
        assert wealth_tracker.get_wealth("agent_a") == 70.0

    def test_penalize_below_zero(self, wealth_tracker):
        wealth_tracker.penalize("agent_a", 150.0)
        assert wealth_tracker.get_wealth("agent_a") == -50.0


class TestWealthTrackerBankrupt:
    """破产检查（wealth <= -100）"""

    def test_bankrupt_at_negative_100(self, wealth_tracker):
        wealth_tracker.penalize("agent_a", 200.0)
        assert wealth_tracker.get_wealth("agent_a") == -100.0
        assert wealth_tracker.is_bankrupt("agent_a") is True

    def test_bankrupt_below_negative_100(self, wealth_tracker):
        wealth_tracker.penalize("agent_a", 250.0)
        assert wealth_tracker.is_bankrupt("agent_a") is True

    def test_not_bankrupt_above_negative_100(self, wealth_tracker):
        wealth_tracker.penalize("agent_a", 150.0)
        # wealth = -50, which is > -100
        assert wealth_tracker.is_bankrupt("agent_a") is False

    def test_not_bankrupt_at_default(self, wealth_tracker):
        assert wealth_tracker.is_bankrupt("agent_a") is False


class TestWealthTrackerReset:
    """重置恢复初始财富"""

    def test_reset_restores_initial_wealth(self, wealth_tracker):
        wealth_tracker.reward("agent_a", 500.0)
        wealth_tracker.reset("agent_a")
        assert wealth_tracker.get_wealth("agent_a") == 100.0

    def test_reset_with_custom_initial(self):
        tracker = WealthTracker(initial_wealth=200.0)
        tracker.penalize("agent_a", 50.0)
        tracker.reset("agent_a")
        assert tracker.get_wealth("agent_a") == 200.0


class TestWealthTrackerRankings:
    """排名按财富降序"""

    def test_rankings_sorted_descending(self, wealth_tracker):
        wealth_tracker.reward("agent_a", 100.0)  # 200
        wealth_tracker.reward("agent_b", 300.0)  # 400
        wealth_tracker.penalize("agent_c", 50.0)  # 50

        rankings = wealth_tracker.get_rankings()
        assert rankings[0][0] == "agent_b"
        assert rankings[1][0] == "agent_a"
        assert rankings[2][0] == "agent_c"

    def test_rankings_empty(self, wealth_tracker):
        assert wealth_tracker.get_rankings() == []


class TestWealthTrackerWealthFactor:
    """财富因子计算"""

    def test_wealth_factor_default(self, wealth_tracker):
        # wealth = 100, factor = 1.0 + 100/1000 = 1.1
        factor = wealth_tracker.get_wealth_factor("agent_a")
        assert abs(factor - 1.1) < 0.0001

    def test_wealth_factor_with_wealth(self, wealth_tracker):
        wealth_tracker.reward("agent_a", 400.0)  # wealth = 500
        factor = wealth_tracker.get_wealth_factor("agent_a")
        # factor = 1.0 + 500/1000 = 1.5
        assert abs(factor - 1.5) < 0.0001

    def test_wealth_factor_negative_wealth(self, wealth_tracker):
        wealth_tracker.penalize("agent_a", 150.0)  # wealth = -50
        factor = wealth_tracker.get_wealth_factor("agent_a")
        # factor = 1.0 + (-50)/1000 = 0.95
        assert abs(factor - 0.95) < 0.0001


# ---- Auction 默认禁用验证 ----


class TestAuctionDefaultDisabled:
    """拍卖机制默认禁用"""

    def test_auction_not_in_default_config(self):
        """验证默认配置中不包含 auction_enabled"""
        from agentkit.server.config import ServerConfig

        config = ServerConfig()
        # marketplace section should not exist or auction_enabled should be False
        marketplace_cfg = getattr(config, "marketplace", None)
        if marketplace_cfg is not None:
            auction_enabled = getattr(marketplace_cfg, "auction_enabled", False)
            assert auction_enabled is False
        # If marketplace doesn't exist at all, auction is implicitly disabled