"""
测试重构后的 Goal 模型功能

测试内容：
1. Goal 模型的新字段（evaluation 相关）
2. 序列化和反序列化（to_dict/from_dict）
3. 向后兼容性（加载旧数据）
"""

import asyncio
import sys
from pathlib import Path
from datetime import datetime

# 添加项目根目录到 Python 路径
sys.path.insert(0, str(Path(__file__).parent.parent))

from agent.models.goal import Goal, GoalTree, GoalStats


def test_goal_new_fields():
    """测试 Goal 模型的新字段"""
    print("=" * 80)
    print("测试 1: Goal 模型新字段")
    print("=" * 80)
    print()

    # 创建带有 evaluation 字段的 Goal
    goal = Goal(
        id="1",
        description="实现用户登录功能",
        type="agent_call",
        agent_call_mode="evaluation",
        target_goal_id="3",
        evaluation_input={
            "goal_description": "实现用户登录功能",
            "actual_result": "已实现登录接口和前端页面",
            "context": {"files": ["login.py", "login.html"]}
        },
        evaluation_result={
            "passed": True,
            "reason": "功能完整，符合要求",
            "suggestions": []
        },
        completed_at=datetime.now()
    )

    print("1. 创建的 Goal 对象:")
    print(f"   ID: {goal.id}")
    print(f"   描述: {goal.description}")
    print(f"   类型: {goal.type}")
    print(f"   模式: {goal.agent_call_mode}")
    print(f"   目标 Goal ID: {goal.target_goal_id}")
    print(f"   评估输入: {goal.evaluation_input}")
    print(f"   评估结果: {goal.evaluation_result}")
    print(f"   完成时间: {goal.completed_at}")
    print()

    print("=" * 80)
    print("✅ 新字段测试完成")
    print("=" * 80)


def test_goal_serialization():
    """测试 Goal 的序列化和反序列化"""
    print("\n" + "=" * 80)
    print("测试 2: Goal 序列化和反序列化")
    print("=" * 80)
    print()

    # 创建 Goal
    original_goal = Goal(
        id="1",
        description="测试目标",
        reason="测试序列化",
        type="agent_call",
        agent_call_mode="evaluation",
        target_goal_id="2",
        evaluation_input={"actual_result": "测试结果"},
        evaluation_result={"passed": True, "reason": "测试通过"},
        completed_at=datetime.now()
    )

    print("1. 原始 Goal:")
    print(f"   {original_goal}")
    print()

    # 序列化
    print("2. 序列化为字典:")
    goal_dict = original_goal.to_dict()
    print(f"   ID: {goal_dict['id']}")
    print(f"   描述: {goal_dict['description']}")
    print(f"   target_goal_id: {goal_dict.get('target_goal_id')}")
    print(f"   evaluation_input: {goal_dict.get('evaluation_input')}")
    print(f"   evaluation_result: {goal_dict.get('evaluation_result')}")
    print(f"   completed_at: {goal_dict.get('completed_at')}")
    print()

    # 反序列化
    print("3. 从字典反序列化:")
    restored_goal = Goal.from_dict(goal_dict)
    print(f"   ID: {restored_goal.id}")
    print(f"   描述: {restored_goal.description}")
    print(f"   target_goal_id: {restored_goal.target_goal_id}")
    print(f"   evaluation_input: {restored_goal.evaluation_input}")
    print(f"   evaluation_result: {restored_goal.evaluation_result}")
    print(f"   completed_at: {restored_goal.completed_at}")
    print()

    # 验证一致性
    print("4. 验证序列化前后一致性:")
    assert restored_goal.id == original_goal.id
    assert restored_goal.description == original_goal.description
    assert restored_goal.target_goal_id == original_goal.target_goal_id
    assert restored_goal.evaluation_input == original_goal.evaluation_input
    assert restored_goal.evaluation_result == original_goal.evaluation_result
    print("   ✅ 所有字段一致")
    print()

    print("=" * 80)
    print("✅ 序列化测试完成")
    print("=" * 80)


def test_backward_compatibility():
    """测试向后兼容性（加载旧数据）"""
    print("\n" + "=" * 80)
    print("测试 3: 向后兼容性")
    print("=" * 80)
    print()

    # 模拟旧版本的 Goal 数据（没有新字段）
    old_goal_dict = {
        "id": "1",
        "description": "旧版本的目标",
        "reason": "测试兼容性",
        "parent_id": None,
        "type": "normal",
        "status": "pending",
        "summary": None,
        "sub_trace_ids": None,
        "agent_call_mode": None,
        "sub_trace_metadata": None,
        "self_stats": {
            "message_count": 0,
            "total_tokens": 0,
            "total_cost": 0.0,
            "preview": None
        },
        "cumulative_stats": {
            "message_count": 0,
            "total_tokens": 0,
            "total_cost": 0.0,
            "preview": None
        },
        "created_at": "2026-02-07T10:00:00"
        # 注意：没有 target_goal_id, evaluation_input, evaluation_result, completed_at
    }

    print("1. 旧版本的 Goal 数据（缺少新字段）:")
    print(f"   {old_goal_dict}")
    print()

    # 尝试加载旧数据
    print("2. 从旧数据加载 Goal:")
    try:
        goal = Goal.from_dict(old_goal_dict)
        print(f"   ✅ 成功加载")
        print(f"   ID: {goal.id}")
        print(f"   描述: {goal.description}")
        print(f"   target_goal_id: {goal.target_goal_id} (应该是 None)")
        print(f"   evaluation_input: {goal.evaluation_input} (应该是 None)")
        print(f"   evaluation_result: {goal.evaluation_result} (应该是 None)")
        print(f"   completed_at: {goal.completed_at} (应该是 None)")
        print()

        # 验证新字段为 None
        assert goal.target_goal_id is None
        assert goal.evaluation_input is None
        assert goal.evaluation_result is None
        assert goal.completed_at is None
        print("   ✅ 新字段默认值正确（None）")
        print()

    except Exception as e:
        print(f"   ❌ 加载失败: {e}")
        import traceback
        traceback.print_exc()

    print("=" * 80)
    print("✅ 向后兼容性测试完成")
    print("=" * 80)


def test_goal_tree_serialization():
    """测试 GoalTree 的序列化"""
    print("\n" + "=" * 80)
    print("测试 4: GoalTree 序列化")
    print("=" * 80)
    print()

    # 创建 GoalTree
    tree = GoalTree(mission="测试任务")

    # 添加目标
    goals = tree.add_goals(
        ["目标1", "目标2", "目标3"],
        reasons=["理由1", "理由2", "理由3"]
    )

    # 为第一个目标添加子目标
    tree.add_goals(
        ["子目标1.1", "子目标1.2"],
        parent_id=goals[0].id
    )

    # 设置一个目标为 evaluation 类型
    goals[0].type = "agent_call"
    goals[0].agent_call_mode = "evaluation"
    goals[0].target_goal_id = goals[1].id
    goals[0].evaluation_input = {"actual_result": "测试"}
    goals[0].evaluation_result = {"passed": True}

    print("1. 创建的 GoalTree:")
    print(tree.to_prompt())
    print()

    # 序列化
    print("2. 序列化 GoalTree:")
    tree_dict = tree.to_dict()
    print(f"   Mission: {tree_dict['mission']}")
    print(f"   Goals 数量: {len(tree_dict['goals'])}")
    print(f"   Current ID: {tree_dict['current_id']}")
    print()

    # 反序列化
    print("3. 从字典恢复 GoalTree:")
    restored_tree = GoalTree.from_dict(tree_dict)
    print(f"   Mission: {restored_tree.mission}")
    print(f"   Goals 数量: {len(restored_tree.goals)}")
    print(f"   Current ID: {restored_tree.current_id}")
    print()

    # 验证 evaluation 字段
    print("4. 验证 evaluation 字段:")
    restored_goal = restored_tree.find(goals[0].id)
    print(f"   target_goal_id: {restored_goal.target_goal_id}")
    print(f"   evaluation_input: {restored_goal.evaluation_input}")
    print(f"   evaluation_result: {restored_goal.evaluation_result}")
    print()

    assert restored_goal.target_goal_id == goals[1].id
    assert restored_goal.evaluation_input == {"actual_result": "测试"}
    assert restored_goal.evaluation_result == {"passed": True}
    print("   ✅ evaluation 字段正确")
    print()

    print("=" * 80)
    print("✅ GoalTree 序列化测试完成")
    print("=" * 80)


def test_agent_call_mode_values():
    """测试 agent_call_mode 的所有可能值"""
    print("\n" + "=" * 80)
    print("测试 5: agent_call_mode 的值")
    print("=" * 80)
    print()

    modes = ["explore", "delegate", "sequential", "evaluation"]

    print("1. 测试所有 agent_call_mode 值:")
    for mode in modes:
        goal = Goal(
            id=f"goal-{mode}",
            description=f"测试 {mode} 模式",
            type="agent_call",
            agent_call_mode=mode
        )
        print(f"   ✅ {mode}: {goal.agent_call_mode}")

    print()

    # 序列化和反序列化
    print("2. 测试序列化和反序列化:")
    for mode in modes:
        goal = Goal(
            id=f"goal-{mode}",
            description=f"测试 {mode} 模式",
            type="agent_call",
            agent_call_mode=mode
        )
        goal_dict = goal.to_dict()
        restored_goal = Goal.from_dict(goal_dict)
        assert restored_goal.agent_call_mode == mode
        print(f"   ✅ {mode}: 序列化前后一致")

    print()

    print("=" * 80)
    print("✅ agent_call_mode 测试完成")
    print("=" * 80)


def main():
    """运行所有测试"""
    print("\n" + "🧪" * 40)
    print("Goal 模型功能测试")
    print("🧪" * 40 + "\n")

    try:
        test_goal_new_fields()
        test_goal_serialization()
        test_backward_compatibility()
        test_goal_tree_serialization()
        test_agent_call_mode_values()

        print("\n" + "=" * 80)
        print("🎉 所有测试完成！")
        print("=" * 80)

    except Exception as e:
        print(f"\n❌ 测试失败: {e}")
        import traceback
        traceback.print_exc()


if __name__ == "__main__":
    main()