using System.Collections.Generic;

public class CommandSkillManager
{
    /// <summary>
    /// 指挥官可以携带的技能数量
    /// </summary>
    public static readonly int COMMAND_SKILL_COUNT = 3;
    /// <summary>
    /// 指挥官技能无效id
    /// </summary>
    public static readonly int NONE_ID = 0;

    private readonly List<int> _commandSkillIDs = new() { NONE_ID, NONE_ID, NONE_ID };

    public List<int> CommandSkillIDs => _commandSkillIDs;

    public CommandSkillManager(int id0 = 0, int id1 = 0, int id2 = 0)
    {
        if(IsIdValid(id0))
            _commandSkillIDs[0] = id0;

        if (IsIdValid(id0))
            _commandSkillIDs[1] = id1;

        if (IsIdValid(id0))
            _commandSkillIDs[2] = id2;
    }

    public int GetCommandSkillID(int idx)
    {
        return _commandSkillIDs[idx];
    }

    public void SetSkillID(int id, int idx)
    {
        _commandSkillIDs[idx] = id;
    }

    /// <summary>
    /// 指挥官技能id是否有效
    /// </summary>
    /// <returns></returns>
    public static bool IsIdValid(int skillId)
    {
        return skillId > NONE_ID;
    }
}