using System;
using System.Collections;
using System.Collections.Generic;
using UnityEngine;

public class BattleState
{
//     public delegate void BattleStateChangedAction();
//     public event BattleStateChangedAction OnBattleStateChanged;
    private bool heroTurn;
    private bool playedEmotion;
    private int round = 0;

    public bool IsTeamsTurn(TeamChoice team) {
        if (team == TeamChoice.Heroes) {
            return this.HeroTurn;
        } else {
            return !this.HeroTurn;
        }
    }

    public bool CanPlayEmotion(TeamChoice team) {
        return !this.playedEmotion && IsTeamsTurn(team);
    }

    public void NotifyPlayedEmotion(TeamChoice team) {
        if (!this.CanPlayEmotion(team)) {
            throw new System.InvalidOperationException("BattleState received NotifyPlayedEmotion but "
                + "cannot play emotion");
        }

        this.playedEmotion = true;
    }

    public bool HeroTurn {get => this.heroTurn;}

    public int Round {get => this.round;}

    public void AdvanceToTeamTurn(TeamChoice team) {
        if (team == TeamChoice.Heroes) {
            if (this.heroTurn) {
                throw new System.InvalidOperationException("Already in hero turn");
            }
            this.heroTurn = true;
            this.round++;
        } else {
            if (!this.heroTurn) {
                throw new System.InvalidOperationException("Already in monster turn");
            }
            this.heroTurn = false;
        }
        this.playedEmotion = false;
    }
}