using UnityEngine;

namespace ProjectM.Client
{
    /// <summary>
    /// Live-tunable knobs for <see cref="DynamicLightSystem"/> — the Phase 1.5 "dynamic-light-first" layer
    /// (RoR2 trick: dark ambient + moving point lights carry the readability). Mirrors the
    /// <see cref="WorldAtmosphereConfig"/> bridge idiom: a MonoBehaviour placed in the gameplay scene with a
    /// static <see cref="Instance"/> the client presentation system reads (falling back to these same
    /// defaults when absent). Pure presentation — never touches the simulation. Colours are sRGB.
    /// </summary>
    public sealed class DynamicLightConfig : MonoBehaviour
    {
        public static DynamicLightConfig Instance;

        [Header("Master")]
        public bool Enabled = true;

        [Header("Projectile lights (pooled, follow every live projectile ghost)")]
        [Min(0)] public int MaxProjectileLights = 24;
        public Color ProjectileColor = new Color(0.45f, 0.85f, 1f, 1f);
        [Tooltip("Un-owned (enemy) projectiles — Spitter spit reads toxic green vs the player's cyan.")]
        public Color EnemyProjectileColor = new Color(0.55f, 1f, 0.35f, 1f);
        [Min(0f)] public float ProjectileIntensity = 2.6f;
        [Min(0.5f)] public float ProjectileRange = 7f;

        [Header("Portal light (RoomExplore loot window — same position authority as the beacon)")]
        public Color PortalColor = new Color(0.55f, 0.95f, 1f, 1f);
        [Min(0f)] public float PortalIntensity = 3.5f;
        [Min(0f)] public float PortalPulseAmp = 1.2f;
        [Min(0.5f)] public float PortalRange = 13f;

        [Header("Resource-node glow (soft pickup readability)")]
        public bool NodeGlow = true;
        [Min(0)] public int MaxNodeLights = 12;
        public Color NodeColor = new Color(0.40f, 1f, 0.75f, 1f);
        [Min(0f)] public float NodeIntensity = 1.3f;
        [Min(0.5f)] public float NodeRange = 4.5f;

        [Header("Impact flashes (fed by CombatFeedbackSystem's burst funnel)")]
        [Min(0)] public int MaxFlashLights = 8;
        public Color FlashDefaultColor = new Color(1f, 0.85f, 0.55f, 1f);
        [Min(0f)] public float FlashIntensity = 3.2f;
        [Min(0.5f)] public float FlashRange = 6.5f;
        [Min(0.02f)] public float FlashDuration = 0.18f;

        void OnEnable() { Instance = this; }
        void OnDisable() { if (Instance == this) Instance = null; }

        [RuntimeInitializeOnLoadMethod(RuntimeInitializeLoadType.SubsystemRegistration)]
        static void ResetStatics() { Instance = null; }
    }
}