#!/usr/bin/env python3
"""
测试支援线指定位置部署功能
"""
import sys
import os
# 添加项目根目录到Python路径
sys.path.insert(0, os.path.join(os.path.dirname(__file__), '..', '..'))

from kards_battle.core.battle_engine import BattleEngine
from kards_battle.examples.sample_units import create_german_infantry, create_american_gi, create_german_panzer_iv


def test_position_deployment():
    """测试指定位置部署"""
    print("\n🎯 支援线指定位置部署测试")
    print("-" * 40)
    
    engine = BattleEngine("Germany", "USA", debug_mode=True)
    
    # 创建多个单位
    unit1 = create_german_infantry()
    unit1.name = "Infantry 1"
    
    unit2 = create_german_panzer_iv()
    unit2.name = "Panzer 2"
    
    unit3 = create_german_infantry()
    unit3.name = "Infantry 3"
    
    print("初始战场:")
    print(engine.battlefield)
    
    # 测试1: 默认位置部署（末尾）
    result1 = engine.deploy_unit_to_support(unit1, 0)
    print(f"\n部署Infantry 1到默认位置: {result1['success']}")
    if result1['success']:
        print(f"  实际位置: {result1['position']}")
    
    print("部署后战场:")
    print(engine.battlefield)
    
    # 测试2: 指定位置1部署
    result2 = engine.deploy_unit_to_support(unit2, 0, position=1)
    print(f"\n部署Panzer 2到位置1: {result2['success']}")
    if result2['success']:
        print(f"  实际位置: {result2['position']}")
    
    print("部署后战场:")
    print(engine.battlefield)
    
    # 测试3: 指定位置0部署（最前面）
    result3 = engine.deploy_unit_to_support(unit3, 0, position=0)
    print(f"\n部署Infantry 3到位置0: {result3['success']}")
    if result3['success']:
        print(f"  实际位置: {result3['position']}")
    
    print("最终战场:")
    print(engine.battlefield)
    
    # 验证单位顺序是否正确
    support_line = engine.battlefield.get_player_support_line(engine.player_names[0])
    objectives = support_line.get_all_objectives()
    
    print(f"\n单位顺序验证:")
    for i, obj in enumerate(objectives):
        if hasattr(obj, 'name'):
            print(f"  位置{i}: {obj.name}")
        else:
            print(f"  位置{i}: HQ")
    
    # 期望顺序: Infantry 3(位置0), HQ(被挤到位置1), Panzer 2(位置2), Infantry 1(被挤到位置3)
    expected_order = ["Infantry 3", "HQ", "Panzer 2", "Infantry 1"]
    actual_order = []
    for obj in objectives:
        if hasattr(obj, 'name'):
            actual_order.append(obj.name)
        else:
            actual_order.append("HQ")
    
    order_correct = actual_order == expected_order
    print(f"✅ 单位顺序正确: {'是' if order_correct else '否'}")
    print(f"期望: {expected_order}")
    print(f"实际: {actual_order}")
    
    assert all([result1['success'], result2['success'], result3['success'], order_correct]), "Position deployment should work correctly"


def test_edge_cases():
    """测试边界情况"""
    print("\n🔍 边界情况测试")
    print("-" * 40)
    
    engine = BattleEngine("Germany", "USA", debug_mode=True)
    
    unit1 = create_german_infantry()
    unit1.name = "Test Unit"
    
    # 测试1: 负数位置
    result1 = engine.deploy_unit_to_support(unit1, 0, position=-1)
    print(f"部署到负数位置: {'失败' if not result1['success'] else '成功'}")
    print(f"  错误信息: {result1.get('reason', 'None')}")
    
    # 测试2: 超大位置（应该部署到末尾）
    result2 = engine.deploy_unit_to_support(unit1, 0, position=999)
    print(f"部署到超大位置: {result2['success']}")
    if result2['success']:
        print(f"  实际位置: {result2['position']}")
    
    # 测试3: 支援线满了的情况
    # 先填满支援线
    for i in range(4):  # 支援线最多5个目标，已有HQ，再加4个单位就满了
        unit = create_german_infantry()
        unit.name = f"Filler {i}"
        engine.deploy_unit_to_support(unit, 0)
    
    print(f"\n支援线满后状态:")
    print(engine.battlefield)
    
    # 尝试再部署一个单位
    extra_unit = create_german_infantry()
    extra_unit.name = "Extra Unit"
    result3 = engine.deploy_unit_to_support(extra_unit, 0, position=2)
    print(f"支援线满时部署: {'失败' if not result3['success'] else '成功'}")
    print(f"  错误信息: {result3.get('reason', 'None')}")
    
    assert not result1['success'], "Negative position deployment should fail"
    assert result2['success'], "Large position deployment should succeed"
    assert not result3['success'], "Full support line deployment should fail"


def run_all_tests():
    """运行所有测试"""
    print("🧪 支援线位置部署测试套件")
    print("=" * 50)
    
    tests = [
        ("指定位置部署", test_position_deployment),
        ("边界情况", test_edge_cases),
    ]
    
    results = {}
    for name, test_func in tests:
        try:
            results[name] = test_func()
        except Exception as e:
            print(f"❌ {name} 测试异常: {e}")
            results[name] = False
    
    print("\n📊 测试结果汇总")
    print("=" * 50)
    
    all_passed = True
    for name, passed in results.items():
        status = "✅ 通过" if passed else "❌ 失败"
        print(f"{name}: {status}")
        if not passed:
            all_passed = False
    
    print(f"\n总体结果: {'🎉 全部通过!' if all_passed else '❌ 有测试失败'}")
    return all_passed


if __name__ == "__main__":
    run_all_tests()