#include <iostream>
#include <vector>
#include <string>
#include <ctime>
#include <cstdlib>
#include <thread>
#include <chrono>
#include <iomanip>

using namespace std;

// --- 游戏配置 ---
const string MAP_NAME = "零号大坝";
const string FACTION = "G.T.I.特勤组";

// --- 物品结构体（增强：类型、重量、可使用） ---
struct Item {
	string name;
	int value;
	string rarity;
	string type;   // 物资/医疗/武器/护甲
	bool usable;   // 是否可使用
};

// --- 干员类（大幅增强） ---
class Operator {
public:
	string name;
	int health;
	int maxHealth;
	int armorLevel;   // 护甲等级 1~6
	int weaponDamage; // 武器伤害
	int energy;       // 体力：奔跑、搜索、战斗都会消耗
	int maxEnergy;
	vector<Item> backpack;
	int backpackCapacity;
	int totalWealth;
	int level;        // 干员等级
	int exp;          // 经验值
	int luck;         // 幸运值：影响掉落品质
	bool hasShield;   // 是否持有临时护盾

	// 构造函数
	Operator(string n) 
		: name(n), health(110), maxHealth(110), armorLevel(3), 
		  weaponDamage(28), energy(100), maxEnergy(100),
		  backpackCapacity(6), totalWealth(0), level(1), exp(0), luck(5), hasShield(false) {}

	// 显示状态（更美观）
	void showStatus() {
		cout << "\n==================== 干员状态 ===================" << endl;
		cout << left << setw(12) << "代号:" << name 
			 << "  | 阵营:" << FACTION 
			 << "  | Lv." << level << " 经验:" << exp << "/50" << endl;
		cout << left << setw(12) << "生命:" << health << "/" << maxHealth
			 << "  | 护甲: Lv." << armorLevel
			 << "  | 体力:" << energy << "/" << maxEnergy << endl;
		cout << left << setw(12) << "武器伤害:" << weaponDamage
			 << "  | 幸运值:" << luck
			 << "  | 护盾:" << (hasShield ? "已激活" : "无") << endl;
		cout << left << setw(12) << "背包:" << backpack.size() << "/" << backpackCapacity
			 << "  | 总资产:" << totalWealth << " 哈夫克币" << endl;
		cout << "=================================================" << endl;
	}

	// 拾取物品
	bool lootItem(Item item) {
		if (backpack.size() < backpackCapacity) {
			backpack.push_back(item);
			cout << "\n[拾取] " << "[" << item.rarity << "] " << item.name 
				 << " | 价值:" << item.value << endl;
			return true;
		} else {
			cout << "\n[背包] 已满，无法拾取！" << endl;
			return false;
		}
	}

	// 使用物品（医疗包、护甲包、护盾电池）
	void useItem(int index) {
		if (index < 0 || index >= backpack.size()) {
			cout << "[错误] 无效物品位置！" << endl;
			return;
		}
		Item& item = backpack[index];
		if (!item.usable) {
			cout << "[使用] " << item.name << " 无法使用！" << endl;
			return;
		}

		if (item.type == "医疗") {
			int heal = 35;
			health = min(maxHealth, health + heal);
			cout << "[治疗] 使用 " << item.name << "，恢复 " << heal << " 点生命值！" << endl;
		}
		else if (item.type == "护甲") {
			armorLevel = min(6, armorLevel + 1);
			cout << "[强化] 护甲等级提升至 Lv." << armorLevel << "！" << endl;
		}
		else if (item.type == "护盾") {
			hasShield = true;
			cout << "[护盾] 临时护盾已激活！下次受伤免疫！" << endl;
		}

		backpack.erase(backpack.begin() + index);
	}

	// 丢弃物品
	void dropItem(int index) {
		if (index < 0 || index >= backpack.size()) {
			cout << "[错误] 无效位置！" << endl;
			return;
		}
		cout << "[丢弃] 丢失了 " << backpack[index].name << endl;
		backpack.erase(backpack.begin() + index);
	}

	// 战斗系统（增强：护盾、等级、随机事件）
	bool combat(vector<string> enemies) {
		cout << "\n=====================================" << endl;
		cout << "!!! 遭遇战斗 - 敌对势力入侵 !!!" << endl;
		for (auto& e : enemies) cout << " - " << e << endl;
		cout << "=====================================" << endl;

		int enemyCount = enemies.size();
		int enemyPower = enemyCount * (22 + rand() % 10);
		int myPower = weaponDamage + (armorLevel * 6) + (level * 3);

		this_thread::sleep_for(chrono::milliseconds(800));

		int random = rand() % 25 - 12;
		int result = myPower + random - enemyPower;

		// 护盾免疫伤害
		if (hasShield) {
			cout << "\n[护盾] 成功抵挡本次所有伤害！" << endl;
			hasShield = false;
			addExp(15 * enemyCount);
			return true;
		}

		if (result > 0) {
			cout << "\n>>> 战斗胜利！成功清除威胁！" << endl;
			int damage = max(5, (enemyPower - random) / 3);
			health -= damage;
			cout << "[受伤] 损失 " << damage << " 点生命值" << endl;
			addExp(15 * enemyCount);
		} else {
			cout << "\n>>> 战斗失利！被迫撤退！" << endl;
			health -= 40;
			if (!backpack.empty()) {
				int loseIdx = rand() % backpack.size();
				cout << "[掉落] 丢失了 " << backpack[loseIdx].name << endl;
				backpack.erase(backpack.begin() + loseIdx);
			}
		}

		if (health <= 0) {
			cout << "\n!!! 任务失败 - 你已被淘汰 !!!" << endl;
			return false;
		}
		return true;
	}

	// 升级系统
	void addExp(int value) {
		exp += value;
		cout << "[经验] +" << value << " EXP" << endl;
		while (exp >= 50) {
			exp -= 50;
			level++;
			maxHealth += 15;
			health = maxHealth;
			weaponDamage += 4;
			luck += 2;
			backpackCapacity += 1;
			cout << "\n========================" << endl;
			cout << "!!! 恭喜升级 Lv." << level << " !!!" << endl;
			cout << "生命上限、伤害、背包容量提升！" << endl;
			cout << "========================" << endl;
		}
	}

	// 休息恢复体力
	void rest() {
		if (energy >= maxEnergy) {
			cout << "\n[休息] 体力已满，无需休息" << endl;
			return;
		}
		int recover = 40;
		energy = min(maxEnergy, energy + recover);
		cout << "\n[休息] 体力恢复 " << recover << " 点 | 当前:" << energy << endl;
	}

	// 消耗体力判断
	bool costEnergy(int cost) {
		if (energy < cost) {
			cout << "\n[体力] 体力不足！请休息！" << endl;
			return false;
		}
		energy -= cost;
		return true;
	}

	// 计算总资产
	void calcWealth() {
		totalWealth = 0;
		for (auto& i : backpack) totalWealth += i.value;
	}
};

// 生成随机高品质物资
Item getRandomItem(int luck) {
	int rate = rand() % 100 + luck;
	if (rate >= 95) return {"黄金怀表", 18000, "SSR", "物资", false};
	if (rate >= 85) return {"高级加密硬盘", 9500, "SR", "物资", false};
	if (rate >= 75) return {"军用护甲包", 3200, "R", "护甲", true};
	if (rate >= 65) return {"专业医疗包", 1600, "R", "医疗", true};
	if (rate >= 55) return {"护盾电池", 1200, "R", "护盾", true};
	if (rate >= 40) return {"显卡", 1800, "R", "物资", false};
	if (rate >= 20) return {"手机", 260, "N", "物资", false};
	return {"破损零件", 60, "N", "物资", false};
}

// 游戏主逻辑
void playGame() {
	srand(time(0));
	system("cls");

	cout << "========================================================" << endl;
	cout << "        《三角洲行动：文字版 · 零号大坝》增强版        " << endl;
	cout << "              深入战区、搜刮物资、成功撤离              " << endl;
	cout << "========================================================" << endl;

	string name;
	cout << "请输入你的干员代号：";
	cin >> name;
	Operator player(name);

	int turn = 1;
	bool alive = true;

	while (alive) {
		player.calcWealth();
		cout << "\n\n==================== 第 " << turn << " 回合 ====================" << endl;
		cout << "当前区域：" << MAP_NAME << " | 体力影响所有行动成功率" << endl;
		player.showStatus();

		cout << "\n【行动指令】" << endl;
		cout << " 1 - 搜索保险箱（高风险高回报 | 体力-30）" << endl;
		cout << " 2 - 搜索房间（低风险低回报 | 体力-15）" << endl;
		cout << " 3 - 休息恢复体力（无风险）" << endl;
		cout << " 4 - 使用物品（治疗/护甲/护盾）" << endl;
		cout << " 5 - 丢弃物品（腾出背包空间）" << endl;
		cout << " 6 - 呼叫直升机撤离" << endl;
		cout << "=====================================================" << endl;
		cout << "请输入指令：";

		int choice;
		cin >> choice;
		bool actionSuccess = true;

		if (choice == 1) {
			if (!player.costEnergy(30)) { actionSuccess = false; }
			else {
				cout << "\n[行动] 正在破解保险箱..." << endl;
				this_thread::sleep_for(chrono::milliseconds(900));
				player.lootItem(getRandomItem(player.luck + 15));

				if (rand() % 100 < 42) {
					alive = player.combat({"哈夫克卫队", "战术无人机"});
				}
			}
		}
		else if (choice == 2) {
			if (!player.costEnergy(15)) { actionSuccess = false; }
			else {
				cout << "\n[行动] 快速搜索房间..." << endl;
				this_thread::sleep_for(chrono::milliseconds(500));
				player.lootItem(getRandomItem(player.luck));

				if (rand() % 100 < 15) {
					alive = player.combat({"拾荒者"});
				}
			}
		}
		else if (choice == 3) {
			player.rest();
		}
		else if (choice == 4) {
			if (player.backpack.empty()) {
				cout << "\n[背包] 没有可使用的物品！" << endl;
			} else {
				cout << "\n【可使用物品】" << endl;
				for (int i = 0; i < player.backpack.size(); i++) {
					auto& item = player.backpack[i];
					if (item.usable) {
						cout << i << " - " << item.name << " (" << item.type << ")" << endl;
					}
				}
				cout << "输入要使用的物品序号：";
				int idx; cin >> idx;
				player.useItem(idx);
			}
		}
		else if (choice == 5) {
			if (player.backpack.empty()) {
				cout << "\n[背包] 背包为空！" << endl;
			} else {
				cout << "\n【背包列表】" << endl;
				for (int i = 0; i < player.backpack.size(); i++) {
					cout << i << " - " << player.backpack[i].name << endl;
				}
				cout << "输入要丢弃的物品序号：";
				int idx; cin >> idx;
				player.dropItem(idx);
			}
		}
		else if (choice == 6) {
			cout << "\n[撤离] 正在呼叫直升机..." << endl;
			this_thread::sleep_for(chrono::seconds(1));

			int evacRate = 45 + (player.level * 3);
			if (rand() % 100 < evacRate) {
				cout << "\n========================================================" << endl;
				cout << "              ?? 撤离成功！任务完成 ??" << endl;
				cout << " 干员：" << player.name << " | 等级：Lv." << player.level << endl;
				cout << " 本次带回资产：" << player.totalWealth << " 哈夫克币" << endl;
				cout << "========================================================" << endl;
				break;
			} else {
				cout << "\n[撤离失败] 撤离点被封锁！立即进入战斗！" << endl;
				alive = player.combat({"阿萨拉精英小队", "机枪手"});
			}
		}
		else {
			cout << "\n[错误] 无效指令！" << endl;
		}

		if (actionSuccess && alive) turn++;
	}
}

int main() {
	playGame();
	cout << "\n游戏结束，按回车键退出...";
	cin.ignore();
	cin.get();
	return 0;
}