using System.Collections.Generic;
using UnityEngine;

namespace CreatureControl {

    /// <summary>
    /// A rig or skeleton for a six-legged insect
    /// </summary>
    public class InsectRig : TargetRig {
        /// <summary>
        /// The left front leg
        /// </summary>
        public TargetLeg leftFrontLeg;
        /// <summary>
        /// The left middle leg
        /// </summary>
        public TargetLeg leftMiddleLeg;
        /// <summary>
        /// The left hind leg
        /// </summary>
        public TargetLeg leftBackLeg;

        /// <summary>
        /// The right front leg
        /// </summary>
        public TargetLeg rightFrontLeg;
        /// <summary>
        /// The right middle leg
        /// </summary>
        public TargetLeg rightMiddleLeg;
        /// <summary>
        /// The right hindLeg
        /// </summary>
        public TargetLeg rightBackLeg;

        private TargetLeg[] _legs;
        public TargetLeg[] legs {
            get {
                if (_legs == null) {
                    _legs = new TargetLeg[6];
                    _legs[0] = leftFrontLeg;
                    _legs[1] = leftMiddleLeg;
                    _legs[2] = leftBackLeg;
                    _legs[3] = rightFrontLeg;
                    _legs[4] = rightMiddleLeg;
                    _legs[5] = rightBackLeg;
                }
                return _legs;
            }
        }

        public bool render;

        public float legLength; // smalled leg length

        public override void Pose() {
            this.leftBackLeg.PoseLimb();
            this.leftMiddleLeg.PoseLimb();
            this.leftFrontLeg.PoseLimb();
            this.rightBackLeg.PoseLimb();
            this.rightMiddleLeg.PoseLimb();
            this.rightFrontLeg.PoseLimb();
        }

        public override void MatchTo(Creature creature, ref bool somethingChanged) {
            base.MatchTo(creature, ref somethingChanged);
            if (creature is not Insect insect)
                return;

            if (this.leftFrontLeg != null && insect.leftFrontLeg != null)
                this.leftFrontLeg.MatchTo(insect.leftFrontLeg);
            if (this.leftMiddleLeg != null && insect.leftMiddleLeg != null)
                this.leftMiddleLeg.MatchTo(insect.leftMiddleLeg);
            if (this.leftBackLeg != null && insect.leftHindLeg != null)
                this.leftBackLeg.MatchTo(insect.leftHindLeg);

            if (this.rightFrontLeg != null && insect.rightFrontLeg != null)
                this.rightFrontLeg.MatchTo(insect.rightFrontLeg);
            if (this.rightMiddleLeg != null && insect.rightMiddleLeg != null)
                this.rightMiddleLeg.MatchTo(insect.rightMiddleLeg);
            if (this.rightBackLeg != null && insect.rightHindLeg != null)
                this.rightBackLeg.MatchTo(insect.rightHindLeg);
        }

        public void ApplyRenderToChildren(bool value) {
            // Find all renderers under this GameObject (including inactive)
            var renderers = GetComponentsInChildren<Renderer>(true);
            foreach (var r in renderers) r.enabled = value;
        }
    }

}