using UnityEngine;

[CreateAssetMenu(fileName = "New Dialogue",
                 menuName = "Dialogue/Dialogue Data")]
public class DialogueData : ScriptableObject
{
    public DialogueNode[] nodes;

    public bool HasNodes
    {
        get
        {
            return nodes != null && nodes.Length > 0;
        }
    }

    public bool IsValidIndex(int index)
    {
        return nodes != null && index >= 0 && index < nodes.Length;
    }

    public bool TryGetNode(int index, out DialogueNode node)
    {
        node = null;

        if (!IsValidIndex(index))
            return false;

        node = nodes[index];
        return node != null;
    }

    public int GetNodeIndexById(string nodeId)
    {
        if (string.IsNullOrWhiteSpace(nodeId))
            return -1;

        if (nodes == null)
            return -1;

        for (int i = 0; i < nodes.Length; i++)
        {
            if (nodes[i] == null)
                continue;

            if (nodes[i].nodeId == nodeId)
                return i;
        }

        return -1;
    }

#if UNITY_EDITOR
    private void OnValidate()
    {
        if (nodes == null)
            return;

        for (int i = 0; i < nodes.Length; i++)
        {
            if (nodes[i] == null)
                continue;

            if (string.IsNullOrWhiteSpace(nodes[i].nodeId))
                nodes[i].nodeId = $"Node_{i:00}";
        }
    }
#endif
}