using System;
using System.Collections;
using System.Collections.Generic;
using System.Linq;
using Framework.Wrapper;
using Gameplay.Level;
using NLDPB;
using UnityEngine;
using CharacterInfo = Gameplay.Net.CharacterInfo;

/// <summary>
/// pvp防守方上阵数据
/// </summary>
public class PVPDefenderData
{
    public List<PVPUnitRuntimeInfo> pvpRuntimeUnitInfos = new();

    public List<PVPUnitInfo> PVPUnitInfos =>
        pvpRuntimeUnitInfos.Select(runtimeInfo => runtimeInfo.pvpUnitInfo).ToList();

    public PVPDefenderData()
    {
        
    }
    
    public PVPDefenderData(MSG_PvpDefenceData pvpDefenceData)
    {
        var unitInfos = PVPUnitInfo.DeSerialize(pvpDefenceData.TeamData.ToByteArray());
        List<CharacterInfo> characterInfos = new();
        foreach (var serverCharacterInfo in pvpDefenceData.Characters)
        {
            CharacterInfo characterInfo = new();
            characterInfo.Refresh(serverCharacterInfo);
            characterInfos.Add(characterInfo);
        }

        Gameplay.Net.VehicleInfo vehicleInfo = new();
        vehicleInfo.Refresh(pvpDefenceData.Vehicle);

        Init(unitInfos, characterInfos, vehicleInfo);
    }

    public void Init(List<PVPUnitInfo> unitInfos, List<CharacterInfo> characterInfos,
        Gameplay.Net.VehicleInfo vehicleInfo)
    {
        pvpRuntimeUnitInfos.Clear();
        int characterIndex = 0;
        int vehicleIndex = 0;
        for (int i = 0; i < unitInfos.Count; i++)
        {
            var unitInfo = unitInfos[i];
            CharacterInfo characterInfo = null;
            Gameplay.Net.VehicleInfo currVehicleInfo = null;
            switch (unitInfo.type)
            {
                case Unit.UnitType.Charactor:
                    characterInfo = characterInfos[characterIndex];
                    characterIndex++;
                    break;
                case Unit.UnitType.Vehicle:
                    currVehicleInfo = vehicleInfo;
                    vehicleIndex++;
                    break;
                default:
                    break;
            }

            PVPUnitRuntimeInfo runtimeInfo = new(unitInfo, characterInfo, currVehicleInfo);
            pvpRuntimeUnitInfos.Add(runtimeInfo);
        }
    }
}

/// <summary>
/// 单个战斗单元上阵数据，该数据会序列化后发送给服务器
/// </summary>
public class PVPUnitInfo
{
    public uint unitID;

    public Unit.UnitType type = Unit.UnitType.Charactor;

    public int cellIndex;

    public LevelData.AIType aiType = LevelData.AIType.BasicAI;

    public LevelData.AttachAIType attachAIType = LevelData.AttachAIType.ChainAI;

    public static byte[] Serialize(List<PVPUnitInfo> unitInfos)
    {
        var jsonStr = JsonUtility.ToJson(unitInfos);
        return System.Text.Encoding.UTF8.GetBytes(jsonStr);
    }

    public static List<PVPUnitInfo> DeSerialize(byte[] bytes)
    {
        if (bytes == null)
            return new List<PVPUnitInfo>();
        var jsonStr = System.Text.Encoding.UTF8.GetString(bytes);
        return JsonUtility.FromJson<List<PVPUnitInfo>>(jsonStr);
    }
}

public class PVPUnitRuntimeInfo
{
    public PVPUnitInfo pvpUnitInfo { get; private set; }

    public uint unitID => pvpUnitInfo.unitID;

    public Unit.UnitType type => pvpUnitInfo.type;

    public int cellIndex => pvpUnitInfo.cellIndex;

    public LevelData.AIType aiType => pvpUnitInfo.aiType;

    public LevelData.AttachAIType attachAIType => pvpUnitInfo.attachAIType;

    public Gameplay.Net.CharacterInfo characterInfo { get; private set; }
    public Gameplay.Net.VehicleInfo vehicleInfo { get; private set; }

    public PVPUnitRuntimeInfo(PVPUnitInfo pvpUnitInfo, Gameplay.Net.CharacterInfo characterInfo,
        Gameplay.Net.VehicleInfo vehicleInfo)
    {
        this.pvpUnitInfo = pvpUnitInfo;
        this.characterInfo = characterInfo;
        this.vehicleInfo = vehicleInfo;
    }
}