using System.Collections.Generic;
using System.Globalization;
using System.Xml.Linq;

public class CVarCompareRebirth : TargetedCompareRequirementBase
{
    protected static bool CompareValues(float _valueA, RequirementBase.OperationTypes _operation, float _valueB)
    {
        bool result = false; ;

        switch (_operation)
        {
            case RequirementBase.OperationTypes.Equals:
            case RequirementBase.OperationTypes.EQ:
            case RequirementBase.OperationTypes.E:
                result = _valueA == _valueB;
                //Log.Out("CVarCompareRebirth-CompareValues _valueA (" + _valueA + ") == _valueB (" + _valueB + "): " + result);

                return result;
            case RequirementBase.OperationTypes.NotEquals:
            case RequirementBase.OperationTypes.NEQ:
            case RequirementBase.OperationTypes.NE:
                result = _valueA != _valueB;
                //Log.Out("CVarCompareRebirth-CompareValues _valueA (" + _valueA + ") != _valueB (" + _valueB + "): " + result);

                return result;
            case RequirementBase.OperationTypes.Less:
            case RequirementBase.OperationTypes.LessThan:
            case RequirementBase.OperationTypes.LT:
                result = _valueA < _valueB;
                //Log.Out("CVarCompareRebirth-CompareValues _valueA (" + _valueA + ") < _valueB (" + _valueB + "): " + result);

                return result;
            case RequirementBase.OperationTypes.Greater:
            case RequirementBase.OperationTypes.GreaterThan:
            case RequirementBase.OperationTypes.GT:
                result = _valueA > _valueB;
                //Log.Out("CVarCompareRebirth-CompareValues _valueA (" + _valueA + ") > _valueB (" + _valueB + "): " + result);

                return result;
            case RequirementBase.OperationTypes.LessOrEqual:
            case RequirementBase.OperationTypes.LessThanOrEqualTo:
            case RequirementBase.OperationTypes.LTE:
                result = _valueA <= _valueB;
                //Log.Out("CVarCompareRebirth-CompareValues _valueA (" + _valueA + ") <= _valueB (" + _valueB + "): " + result);

                return result;
            case RequirementBase.OperationTypes.GreaterOrEqual:
            case RequirementBase.OperationTypes.GreaterThanOrEqualTo:
            case RequirementBase.OperationTypes.GTE:
                result = _valueA >= _valueB;
                //Log.Out("CVarCompareRebirth-CompareValues _valueA (" + _valueA + ") >= _valueB (" + _valueB + "): " + result);

                return result;
            default:
                return result;
        }
    }

    public override bool IsValid(MinEventParams _params)
    {
        if (!this.ParamsValid(_params))
        {
            return false;
        }

        bool flag = false;

        //Log.Out("CVarCompareRebirth-IsValid fullValue: " + fullValue);

        foreach (var requirement in fullValue.Split(','))
        {
            //Log.Out("CVarCompareRebirth-IsValid requirement: " + requirement);
            float value = 0;
            if (requirement.StartsWith("@"))
            {
                value = _params.Self.Buffs.GetCustomVar(this.refCvarName, 0f);
            }
            else
            {
                value = float.Parse(requirement);
            }

            //Log.Out("CVarCompareRebirth-IsValid value: " + value);

            //Log.Out("CVarCompareRebirth-IsValid this.target.Buffs.GetCustomVar(cvarName): " + this.target.Buffs.GetCustomVar(cvarName));

            bool result = CompareValues(this.target.Buffs.GetCustomVar(cvarName), this.operation, value);

            //Log.Out("CVarCompareRebirth-IsValid result: " + result);

            flag = flag || result;
        }

        if (this.invert)
        {
            return !flag;
        }

        return flag;
    }

    public override void GetInfoStrings(ref List<string> list)
    {
        list.Add(string.Format("cvar.{0} {1} {2}", this.cvarName, this.operation.ToStringCached<RequirementBase.OperationTypes>(), this.value.ToCultureInvariantString()));
    }

    public override bool ParseXAttribute(XAttribute _attribute)
    {
        string localName = _attribute.Name.LocalName;
        if (localName == "operation")
        {
            this.operation = EnumUtils.Parse<RequirementBase.OperationTypes>(_attribute.Value, true);
            return true;
        }
        else if (localName == "value")
        {
            if (_attribute.Value.StartsWith("@"))
            {
                this.useCVar = true;
                this.refCvarName = _attribute.Value.Substring(1);
            }
            else
            {
                this.value = StringParsers.ParseFloat(_attribute.Value, 0, -1, NumberStyles.Any);
            }
            fullValue = _attribute.Value;
            return true;
        }
        else if (localName == "invert")
        {
            this.invert = StringParsers.ParseBool(_attribute.Value, 0, -1, true);
            return true;
        }
        else if (localName == "target")
        {
            this.targetType = EnumUtils.Parse<TargetedCompareRequirementBase.TargetTypes>(_attribute.Value, true);
            return true;
        }
        else if (localName == "cvar")
        {
            cvarName = _attribute.Value;
            cvarNameHash = cvarName.GetHashCode();
            return true;
        }
        else
        {
            return false;
        }
    }

    protected string cvarName;
    protected int cvarNameHash;
    protected string fullValue;
}