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

namespace STRIPS
{
    [CreateAssetMenu(fileName = "NewAction", menuName = "STRIPS/Create New Action", order = 1)]
    public class StripsAction : ScriptableObject
    {
        
        public StripsVariableMapping associatedMapping;
        public enum Operator { Less, LessEqual, Equal, GreaterEqual, Greater }

        public BooleanOperation[] preConditions;

        public AStripsActionResolver.StripsActionResolverAction[] functions;

        [System.Serializable]
        public class BooleanOperation
        {
            public string variableName1;
            public Operator op;
            public string variableName2;
        }

        private bool EvalWithOperatorString(string val, string val2, Operator op)
        {
            switch(op)
            {
                case Operator.Equal: return val == val2;
            }
            return false;
        }
        private bool EvalWithOperatorFloat(float val, float val2, Operator op)
        {
            switch (op)
            {
                case Operator.Less: return val < val2;
                case Operator.Greater: return val > val2;
                case Operator.LessEqual: return val <= val2;
                case Operator.GreaterEqual: return val >= val2;
                case Operator.Equal: return val == val2;

            }
            return false;
        }
        private bool EvalWithOperatorBool(bool val, bool val2, Operator op)
        {
            switch (op)
            {
                case Operator.Equal: return val == val2;
            }
            return false;
        }
        private bool EvalWithOperatorInt(int val, int val2, Operator op)
        {
            switch (op)
            {
                case Operator.Less: return val < val2;
                case Operator.Greater: return val > val2;
                case Operator.LessEqual: return val <= val2;
                case Operator.GreaterEqual: return val >= val2;
                case Operator.Equal: return val == val2;

            }
            return false;
        }

        public bool EvaluateConditionals(StripsVariableMapping.PackageMapping variables)
        {
            bool finalResult = true;
            foreach(BooleanOperation operation in preConditions)
            {
                StripsVariableMapping.VariableMapping mapping = variables.Mappings[operation.variableName1];
                switch (mapping.variable)
                {
                    case StripsVariableMapping.VarType.String: 
                        {
                            finalResult= finalResult&& EvalWithOperatorString(mapping.value, operation.variableName2, operation.op);
                            break;
                        }
                    case StripsVariableMapping.VarType.Float: 
                        {
                            finalResult= finalResult && EvalWithOperatorFloat(float.Parse(mapping.value), float.Parse(operation.variableName2), operation.op);
                            break;
                        }
                    case StripsVariableMapping.VarType.Boolean: 
                        { 
                            finalResult= finalResult&& EvalWithOperatorBool(bool.Parse(mapping.value), bool.Parse(operation.variableName2),operation.op);
                            break;
                        }
                    case StripsVariableMapping.VarType.Integer: 
                        {
                            finalResult = finalResult && EvalWithOperatorInt(int.Parse(mapping.value), int.Parse(operation.variableName2), operation.op);
                            break;
                        }
                }
            }
            return finalResult;
        }

    }

}