using UnityEngine;

[System.Serializable]
public class SkillGroup
{
    [Tooltip("Numeric ID used to reference this skill group (e.g. from equipped slots). Use 0 for 'none'.")]
    public int skillGroupID = 0;

    [Tooltip("Optional human-readable name for the group (for designers).")]
    public string groupName = "";

    // Documentation text normalized.
    public int columnID = 0;

    // Documentation text normalized.
    public string columnName = "";

    // Variable-length list of SkillDefinitions so one group ID can map to multiple skills
    public SkillDefinition[] skills = new SkillDefinition[0];

    // Single icon representing this skill group (editable in Inspector)
    [Header("Group Icon")]
    [Tooltip("Optional single Sprite used as an icon for this skill group.")]
    public Sprite groupIcon = null;

    // Single multiline description for the skill group (editable in Inspector)
    [Header("Group-level designer notes")]
    [TextArea(3, 10)]
    [Tooltip("A multiline description for this skill group. Use this to store notes or an overview that can be shown at runtime.")]
    public string skillDescriptionsText = "";

    [Tooltip("This skill group requires the hero to reach at least this level (1-4) to be selectable.")]
    public int thisSkill_levelLimit = 1;

    [Tooltip("Marks this skill group as the hero's exclusive special skill.")]
    public bool isSpecialSkill = false;

    // Backwards-compatible accessor that previously returned a per-skill description.
    // Now returns the single group-level text so callers can still obtain a description string.
    public string GetSkillDescription(int index)
    {
        return skillDescriptionsText ?? string.Empty;
    }

    // Lookup by SkillDefinition instance; also returns group-level text for compatibility.
    public string GetSkillDescription(SkillDefinition def)
    {
        return skillDescriptionsText ?? string.Empty;
    }
}