using System.Globalization;
using System.Numerics;
using System;
using IVDataFormat;
using IVServerFormat;
using System.Collections.Generic;

[Serializable]
public class DispatchMissionProperty
{
    public enum MissionType
    {
        Normal, Battle,
    }

    public uint id;
    public MissionType type;
    public ItemProp[] rewardItemCandidates;
}

[Serializable]
public class DispatchMissionPlayerProperty
{
    public uint id = 0;
    public bool gotReward = true;
    public bool needGetResult = false;
    public bool hasResult = false;
    public bool isSucceed = false;
    public string recommendBattlePower = "0";
    public uint[] recommendNationalities = new uint[0];
    public uint[] bonusRewardTargets = new uint[0];
    public string endTime = DateTime.MaxValue.ToString(FormatString.DateTimeParse, CultureInfo.InvariantCulture);
}

public class DispatchMissionData
{
    DispatchData.Area area;
    DispatchMissionProperty property;
    DispatchMissionPlayerProperty playerProperty;

    int requestCount = 0;
    Action<IList<nGoods>, bool> onDoneGetReward;

    public DispatchMissionProperty.MissionType Type => property.type;
    public uint ID => property.id;
    public bool GotReward => playerProperty.gotReward;
    public bool HasResult => playerProperty.hasResult;
    public bool IsSucceed => playerProperty.isSucceed;
    public bool NeedGetResult => playerProperty.needGetResult;
    public float TotalProgressTime => area.MissionProgressTime + (area.MissionMoveTime * 2);
    public DateTime EndTime => DateTime.ParseExact(playerProperty.endTime, FormatString.DateTimeParse, CultureInfo.InvariantCulture);
    public BigInteger RecommendBattlePower => BigInteger.Parse(playerProperty.recommendBattlePower);
    public string ContentStringKey => FormatString.StringFormat("dispatch_content_{0}_{1}", area.AreaType, ID);
    public string ContentIconAtlasPath => GameProperty.Instance.MissionContentIconAtlasName;
    public string ContentIconNameInAtlas => ContentStringKey;
    public Nationality[] RecommendNationalities { get; set; }
    public nGoods[] DefaultRewards { get; private set; }
    public nGoods[] TotalRewards
    {
        get
        {
            var employees = new SlotGroup<MateData>(area.EmployeeIDs.Count);
            for (int i = 0; i < area.EmployeeIDs.Count; i++)
            {
                if (MateDataGroup.Instance.TryGetMateData(area.EmployeeIDs[i], out var mate))
                    employees[i] = mate;
            }

            var result = new nGoods[DefaultRewards.Length];
            for (int i = 0; i < DefaultRewards.Length; i++)
            {
                result[i] = DefaultRewards[i].Clone() as nGoods;
            }

            var dispatchLvBonus = bonusRewardByDispatchLv;
            if (result.TryFind(dispatchLvBonus.IsSameGoods, out var goods))
                goods.propertyCount += dispatchLvBonus.propertyCount;

            var nationalityBonus = GetBonusRewardByNationality(employees);
            if (result.TryFind(nationalityBonus.IsSameGoods, out goods))
                goods.propertyCount = nationalityBonus.propertyCount;

            var employeeCountBonus = GetBonusRewardByEmployeeCount(employees);
            if (result.TryFind(employeeCountBonus.IsSameGoods, out goods))
                goods.propertyCount = employeeCountBonus.propertyCount;

            return result;
        }
    }

    public nGoods bonusRewardByDispatchLv => property.rewardItemCandidates[playerProperty.bonusRewardTargets[0]].ConvertTo(area.DispatchData.DispatchLevel * 10);

    public DispatchMissionData(DispatchData.Area area, DispatchMissionProperty property, DispatchMissionPlayerProperty playerProperty)
    {
        this.area = area;
        this.property = property;
        this.playerProperty = playerProperty;

        RecommendNationalities = new Nationality[playerProperty.recommendNationalities.Length];
        for (int i = 0; i < playerProperty.recommendNationalities.Length; i++)
        {
            RecommendNationalities[i] = new Nationality { kind = (Nationality.Kind)playerProperty.recommendNationalities[i] };
        }

        DefaultRewards = new nGoods[property.rewardItemCandidates.Length];
        for (int i = 0; i < property.rewardItemCandidates.Length; i++)
        {
            //TODO : temp reward amount
            DefaultRewards[i] = property.rewardItemCandidates[i].ConvertTo(area.DispatchData.DispatchLevel * 10);
        }
    }

    public void Start(DateTime now)
    {
        playerProperty.needGetResult = true;
        playerProperty.hasResult = false;
        playerProperty.gotReward = false;

        //미션 소요 시간 : 수행 시간 + 지역 왕복 시간
        float totalProgressTime = area.MissionProgressTime + (area.MissionMoveTime * 2);
        playerProperty.endTime = now.AddSeconds(totalProgressTime).ToString(FormatString.DateTimeParse, CultureInfo.InvariantCulture);
    }

    public nGoods GetBonusRewardByNationality(SlotGroup<MateData> mates)
    {
        int[] remainCounts = new int[(int)Nationality.Kind.Count];
        for (int i = 0; i < RecommendNationalities.Length; i++)
        {
            remainCounts[(int)RecommendNationalities[i].kind]++;
        }

        int matchCount = 0;
        mates.LoopValidSlot((mate) =>
        {
            int idx = (int)mate.Nationality.kind;
            if (remainCounts[idx] > 0)
            {
                remainCounts[idx]--;
                matchCount++;
            }
            return true;
        });

        return property.rewardItemCandidates[playerProperty.bonusRewardTargets[1]].ConvertTo(matchCount * 10);
    }

    public nGoods GetBonusRewardByEmployeeCount(SlotGroup<MateData> mates)
    {
        int count = 0;
        mates.LoopValidSlot((mate) =>
        {
            count++;
            return true;
        });

        return property.rewardItemCandidates[playerProperty.bonusRewardTargets[2]].ConvertTo(count * 10);
    }

    public bool InProgress(DateTime now) => now < EndTime;

    public bool IsAvailableGetResult(DateTime now)
    {
        //미션 지역 도착 + 수행 시간 이후 결과 확인 가능.
        return EndTime.AddSeconds(-area.MissionMoveTime) <= now;
    }

    public void SetResult(BigInteger battlePower)
    {
        if (!playerProperty.needGetResult) return;

        var scRate = GetSuccessRate(battlePower);
        var rand = UnityEngine.Random.Range(0.0f, 1.0f);
        playerProperty.isSucceed = rand <= scRate;

        playerProperty.needGetResult = false;
        playerProperty.hasResult = true;
    }

    public void RemoveResult()
    {
        playerProperty.hasResult = false;
        playerProperty.isSucceed = false;
    }

    public void TryGetReward(Action<IList<nGoods>, bool> onRequestDone)
    {
        if(requestCount > 0) return;

        requestCount = DefaultRewards.Length;
        onDoneGetReward = onRequestDone;

        foreach (var reward in TotalRewards)
        {
            SvConnectManager.Instance.RequestSvPost(true, 0, UrlApi.GetUrl(UrlApi.Property), typeof(nGoodsGet), OnGetRewardSuccess, OnGetRewardFail, reward, true);
        }
    }

    private void OnGetRewardSuccess(object result, object request)
    {
        if(--requestCount <= 0)
        {
            playerProperty.gotReward = true;

            nGoodsGet data = result as nGoodsGet;
            var totalReward = TotalRewards;

            DataHandler.AddGoods(totalReward, data.playCurrency, true);
            onDoneGetReward?.Invoke(totalReward, true);
        }
    }

    private void OnGetRewardFail(SvError error, object request) => onDoneGetReward?.Invoke(new nGoods[0], false);

    public int GetSuccessRateLevel(BigInteger battlePower)
    {
        if (Type == DispatchMissionProperty.MissionType.Normal) return 5;

        //-50미만 : 매우낮음
        //-50이상 ~ -10미만 : 낮음
        //-10이상 ~ 10미만 : 보통
        //10이상 ~ 50미만 : 높음
        //50이상 : 매우높음

        var bpBoundaries = new BigInteger[]
        {
            RecommendBattlePower - (RecommendBattlePower / 100) * 50,
            RecommendBattlePower - (RecommendBattlePower / 100) * 10,
            RecommendBattlePower + (RecommendBattlePower / 100) * 10,
            RecommendBattlePower + (RecommendBattlePower / 100) * 50,
        };

        for (int i = 0; i < bpBoundaries.Length; i++)
        {
            if (battlePower < bpBoundaries[i])
                return i + 1;
        }

        return 5;
    }

    public float GetSuccessRate(BigInteger battlePower)
    {
        int scLevel = GetSuccessRateLevel(battlePower);

        if (scLevel <= 1) return 0.05f;
        else if (scLevel == 2) return 0.3f;
        else if (scLevel == 3) return 0.7f;
        else if (scLevel == 4) return 0.9f;
        else return 1.0f;
    }

    public uint CalculateExp()
    {
        //TODO : this is temp code
        const uint normalBaseExp = 5;
        const uint normalExpPerLevel = 1;

        const uint battleBaseExp = 10;
        const uint battleExpPerLevel = 1;

        switch (Type)
        {
            case DispatchMissionProperty.MissionType.Normal: return normalBaseExp + (area.DispatchData.DispatchLevel - 1) * normalExpPerLevel;
            case DispatchMissionProperty.MissionType.Battle: return battleBaseExp + (area.DispatchData.DispatchLevel - 1) * battleExpPerLevel;
        }

        return 0;
    }
}