using Models;

namespace Core;

/// <summary>
/// 系统层骨架（负责模型变化，不直接处理输入/显示）
/// 设计说明：
/// 1) 每个系统只关注单一职责，形成高内聚低耦合结构。
/// 2) 系统之间通过 GameSession 共享状态，通过事件总线通讯。
/// 注意事项：
/// - 系统逻辑应尽量“幂等”，便于回合重算与调试。
/// 未来扩展：
/// - 可加入“系统执行顺序配置”，支持 Mod 插入新系统。
/// </summary>
public interface IGameSystem
{
	void Initialize(GameSession session);
	void Tick(float delta);
}

public sealed class GameSystems
{
	public TurnSystem Turn { get; } = new();
	public TaskSystem Task { get; } = new();
	public EconomySystem Economy { get; } = new();
	public SynergySystem Synergy { get; } = new();
	public AssignmentSystem Assignment { get; } = new();

	public void Initialize(GameSession session)
	{
		Turn.Initialize(session);
		Task.Initialize(session);
		Economy.Initialize(session);
		Synergy.Initialize(session);
		Assignment.Initialize(session);
	}

	public void Tick(float delta)
	{
		Turn.Tick(delta);
		Task.Tick(delta);
		Economy.Tick(delta);
		Synergy.Tick(delta);
		Assignment.Tick(delta);
	}
}

public sealed class TurnSystem : IGameSystem
{
	private GameSession _session;

	public void Initialize(GameSession session)
	{
		_session = session;
	}

	public void Tick(float delta)
	{
		// 预留：回合推进计时器/阶段切换
	}
}

public sealed class TaskSystem : IGameSystem
{
	private GameSession _session;

	public void Initialize(GameSession session)
	{
		_session = session;
	}

	public void Tick(float delta)
	{
		// 预留：执行阶段推进任务进度
	}
}

public sealed class EconomySystem : IGameSystem
{
	private GameSession _session;

	public void Initialize(GameSession session)
	{
		_session = session;
	}

	public void Tick(float delta)
	{
		// 预留：利息结算、工资消耗等
	}
}

public sealed class SynergySystem : IGameSystem
{
	private GameSession _session;

	public void Initialize(GameSession session)
	{
		_session = session;
	}

	public void Tick(float delta)
	{
		// 预留：根据 roster 统计羁绊层数
	}
}

public sealed class AssignmentSystem : IGameSystem
{
	private GameSession _session;

	public void Initialize(GameSession session)
	{
		_session = session;
	}

	public void Tick(float delta)
	{
		// 预留：人员分配、交接惩罚等
	}
}