#!/usr/bin/env python3
"""Arc Mode 功能测试"""

import sys
import os
import tempfile
from pathlib import Path

sys.path.insert(0, str(Path(__file__).parent / "lib"))

def test_arc_phase_gate():
    """测试三阶段门控"""
    from air_runtime.modes.arc_mode import ArcPhaseGate

    with tempfile.TemporaryDirectory() as tmpdir:
        state_path = Path(tmpdir) / "state.json"
        gate = ArcPhaseGate(state_path)

        # 初始阶段应该是 discussing
        assert gate.current_phase == "discussing", f"初始阶段应为 discussing，实际: {gate.current_phase}"

        # 可以前进到 proposing
        gate.advance_to("proposing")
        assert gate.current_phase == "proposing"

        # 不能跳到 confirmed（只能逐步前进）
        gate.advance_to("confirmed")
        assert gate.current_phase == "confirmed"

        # can_write_plan 只在 confirmed 时返回 True
        assert gate.can_write_plan() == True

        # 测试确认架构
        result = gate.confirm_architecture("好的，确认这个架构")
        assert result == True
        assert gate.current_phase == "confirmed"

        print("✓ ArcPhaseGate 三阶段门控测试通过")
    return True


def test_arc_build_graph():
    """测试 DAG 构建"""
    from air_runtime.modes.arc_mode import _build_graph_from_todo
    from air_runtime.task_graph import TaskGraph

    with tempfile.TemporaryDirectory() as tmpdir:
        todo_path = Path(tmpdir) / "todo.md"
        todo_path.write_text("""
| Task | Status | Files/Dirs | Done When |
|------|--------|------------|-----------|
| [T-001] 任务1 | TODO | src/a/ | 完成 |
| [T-002] 任务2 | TODO | src/b/ | 完成 |
| [T-003] 任务3 | DONE | src/c/ | 完成 |
""")

        graph, violations = _build_graph_from_todo(todo_path)

        # 检查节点数量
        assert len(graph.nodes) >= 3, f"应有至少3个节点，实际: {len(graph.nodes)}"

        # 检查是否有边界测试任务注入
        test_nodes = [n for n in graph.nodes.values() if n.test_required]
        assert len(test_nodes) > 0, "应该有边界测试任务"

        # 检查 Done When 违规检测
        assert len(violations) > 0, "应该有 Done When 不含'测试通过'的违规"

        print(f"✓ DAG 构建测试通过，节点数: {len(graph.nodes)}, 测试任务: {len(test_nodes)}, 违规: {len(violations)}")
    return True


def test_arc_parallel_review():
    """测试并行审查模式"""
    from air_runtime.modes.arc_mode import parallel_review_mode

    with tempfile.TemporaryDirectory() as tmpdir:
        project_root = Path(tmpdir)

        # 创建 AirPlan 目录结构
        arc_root = project_root / "AirPlan" / "state" / "airarc"
        arc_root.mkdir(parents=True, exist_ok=True)

        # 写入 state.json（需先有 confirmed 阶段）
        import json
        (arc_root / "state.json").write_text(json.dumps({"arcPhase": "confirmed"}))

        # 创建 todo.md
        todo_path = project_root / "AirPlan" / "todo.md"
        todo_path.write_text("""
| Task | Status | Files/Dirs | Done When |
|------|--------|------------|-----------|
| [T-001] 任务1 | TODO | src/main.cpp | 编译通过 |
""")

        result = parallel_review_mode(project_root, todo_path)

        # 检查返回值
        assert "execution_plan_json_path" in result
        assert result.get("blocked") != True, "不应被阻止"

        # 检查 execution-plan.json 是否生成
        plan_path = result["execution_plan_json_path"]
        assert Path(plan_path).exists(), f"执行计划文件应存在: {plan_path}"

        print(f"✓ parallel_review_mode 测试通过")
    return True


def main():
    print("=" * 50)
    print("Arc Mode 功能测试")
    print("=" * 50)

    tests = [
        ("三阶段门控", test_arc_phase_gate),
        ("DAG 构建", test_arc_build_graph),
        ("并行审查", test_arc_parallel_review),
    ]

    passed = 0
    failed = 0

    for name, test_fn in tests:
        try:
            test_fn()
            passed += 1
        except Exception as e:
            print(f"✗ {name} 失败: {e}")
            import traceback
            traceback.print_exc()
            failed += 1

    print("=" * 50)
    print(f"测试结果: {passed} 通过, {failed} 失败")
    print("=" * 50)

    return failed == 0


if __name__ == "__main__":
    success = main()
    sys.exit(0 if success else 1)