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

namespace NightclubArcadia.Skills
{
    // Generated from Assets/Candidates/candidates.json by CandidateSystemSetup.
    // Hand-edits to .asset files are overwritten on script reload — edit the JSON.
    [CreateAssetMenu(menuName = "Nightclub Arcadia/Candidate Definition", fileName = "NewCandidate")]
    public sealed class CandidateDefinition : ScriptableObject
    {
        [SerializeField] string id;
        [SerializeField] string displayName;
        [TextArea(2, 6)] [SerializeField] string reading;
        [SerializeField] SkillAxis intuitionAxis;
        [SerializeField] List<CandidateClue> clues = new List<CandidateClue>();

        public string Id => id;
        public string DisplayName => displayName;
        public string Reading => reading;
        public SkillAxis IntuitionAxis => intuitionAxis;
        public IReadOnlyList<CandidateClue> Clues => clues;

#if UNITY_EDITOR
        public void EditorSet(CandidateEntry entry)
        {
            if (entry == null)
            {
                throw new ArgumentNullException(nameof(entry));
            }

            id = entry.id;
            displayName = entry.displayName ?? string.Empty;
            reading = entry.reading ?? string.Empty;
            intuitionAxis = ParseEnumRequired<SkillAxis>(entry.intuitionAxis, nameof(entry.intuitionAxis), entry.id);

            clues = new List<CandidateClue>();
            if (entry.clues == null)
            {
                return;
            }

            foreach (var clueEntry in entry.clues)
            {
                if (clueEntry == null)
                {
                    continue;
                }

                var clue = new CandidateClue();
                clue.EditorSet(clueEntry);
                clues.Add(clue);
            }
        }

        static TEnum ParseEnumRequired<TEnum>(string value, string fieldName, string candidateId)
            where TEnum : struct
        {
            if (!Enum.TryParse(value, ignoreCase: true, out TEnum parsed))
            {
                throw new ArgumentException(
                    $"Candidate '{candidateId}': invalid {fieldName} '{value}' for {typeof(TEnum).Name}.");
            }

            return parsed;
        }
#endif
    }
}