"""T4.8 Agent 编排引擎测试。

测试 L1-L4 分级自治的 Agent 编排。
"""

import pytest

from app.services.agent_orchestrator import AUTONOMY_LEVELS, orchestrate_agent


class TestOrchestrateAgent:
    """Agent 编排测试。"""

    async def test_l1_requires_approval(self):
        """L1 级别需要人工审核。"""
        result = await orchestrate_agent("test_agent", "L1", {"task": "测试任务"})
        assert result["requires_approval"] is True
        assert result["status"] == "pending_approval"

    async def test_l2_requires_approval(self):
        """L2 级别需要人工确认。"""
        result = await orchestrate_agent("test_agent", "L2", {"task": "测试任务"})
        assert result["requires_approval"] is True
        assert result["status"] == "pending_approval"

    async def test_l3_post_review(self):
        """L3 级别事后审核。"""
        result = await orchestrate_agent("test_agent", "L3", {"task": "测试任务"})
        assert result["requires_approval"] is False
        assert result["requires_post_review"] is True
        assert result["status"] == "executed"

    async def test_l4_requires_approval(self):
        """L4 级别人工决策。"""
        result = await orchestrate_agent("test_agent", "L4", {"task": "测试任务"})
        assert result["requires_approval"] is True

    async def test_unknown_level_defaults_l1(self):
        """未知级别默认 L1。"""
        result = await orchestrate_agent("test_agent", "L9", {"task": "测试任务"})
        assert result["requires_approval"] is True

    async def test_input_summary_truncated(self):
        """输入摘要被截断。"""
        long_input = {"data": "x" * 500}
        result = await orchestrate_agent("test_agent", "L1", long_input)
        assert len(result["input_summary"]) <= 200


class TestAutonomyLevels:
    """自治级别配置测试。"""

    def test_all_levels_defined(self):
        """L1-L4 全部定义。"""
        assert "L1" in AUTONOMY_LEVELS
        assert "L2" in AUTONOMY_LEVELS
        assert "L3" in AUTONOMY_LEVELS
        assert "L4" in AUTONOMY_LEVELS

    def test_level_has_description(self):
        """每个级别有描述。"""
        for level, config in AUTONOMY_LEVELS.items():
            assert "description" in config
            assert len(config["description"]) > 0