using UnityEngine;
using OctoCore.Save.Data;

namespace OctoCore.Dialogue
{
    /// <summary>
    /// Condition for dialogue choices.
    /// Supports OctoDataBool, OctoDataInt, and OctoDataFloat.
    /// </summary>
    [System.Serializable]
    public class OctoDialogueCondition
    {
        /// <summary>
        /// Source data to evaluate (OctoDataBool, OctoDataInt, or OctoDataFloat).
        /// </summary>
        [Tooltip("Source data to evaluate")]
        public OctoData Source;

        /// <summary>
        /// Operation to perform.
        /// </summary>
        [Tooltip("Operation to perform")]
        public OctoDialogueOperation Operation = OctoDialogueOperation.Equal;

        /// <summary>
        /// Value to compare against.
        /// For bool: 0 = false, 1 = true
        /// For int/float: direct comparison
        /// </summary>
        [Tooltip("Value to compare against (bool: 0=false, 1=true)")]
        public float Value;

        /// <summary>
        /// Evaluate if the condition is met.
        /// </summary>
        public bool Evaluate()
        {
            if (Source == null)
                return true; // No condition = always true

            float sourceValue = GetSourceValue();

            switch (Operation)
            {
                case OctoDialogueOperation.Equal:
                    return Mathf.Approximately(sourceValue, Value);

                case OctoDialogueOperation.NotEqual:
                    return !Mathf.Approximately(sourceValue, Value);

                case OctoDialogueOperation.GreaterThan:
                    return sourceValue > Value;

                case OctoDialogueOperation.GreaterOrEqual:
                    return sourceValue >= Value;

                case OctoDialogueOperation.LessThan:
                    return sourceValue < Value;

                case OctoDialogueOperation.LessOrEqual:
                    return sourceValue <= Value;

                default:
                    return true;
            }
        }

        private float GetSourceValue()
        {
            if (!OctoCore.Instance)
                return 0f;

            if (Source is OctoDataBool dataBool)
            {
                return OctoCore.Instance.Save.Get(dataBool) ? 1f : 0f;
            }
            else if (Source is OctoDataInt dataInt)
            {
                return OctoCore.Instance.Save.Get(dataInt);
            }
            else if (Source is OctoDataFloat dataFloat)
            {
                return OctoCore.Instance.Save.Get(dataFloat);
            }

            Debug.LogWarning("[OctoDialogueCondition] Unsupported data type: " + Source.GetType().Name);
            return 0f;
        }
    }
}