using System;

namespace VisionCommon {
    /// <summary>
    /// 하드웨어 카메라마다 여러 개의 FovInfo를 가질 수 있다.
    /// </summary>
    public class FovInfo {
        private SubSysInfo _subSysInfo;
        public eUnitId UnitId {
            get { return _subSysInfo.UnitId; }
            set { _subSysInfo.UnitId = value; }
        }
        public string UnitName {
            get { return _subSysInfo.UnitName; }
            set { _subSysInfo.UnitName = value; }
        }
        public eSubSysId SubSysId {
            get { return _subSysInfo.SubSysId; }
            set { _subSysInfo.SubSysId = value; }
        }
        public string SubSysName {
            get { return _subSysInfo.SubSysName; }
            set { _subSysInfo.SubSysName = value; }
        }

        public eFovId FovId { get; set; } = eFovId.None;
        public string FovName { get; set; } = string.Empty;

        public FovInfo(
            eUnitId unitId, string unitName,
            eSubSysId subSysId, string subSysName,
            eFovId fovId, string fovName = "")
            : this(new SubSysInfo(new UnitInfo(unitId, unitName), subSysId, subSysName),
                  fovId, fovName) {
        }

        public FovInfo(SubSysInfo subSysInfo, eFovId fovId, string fovName = "") {
            _subSysInfo = subSysInfo.Clone();
            FovId = fovId;
            FovName = fovName;
        }

        public new FovInfo Clone() {
            return new FovInfo(
                new SubSysInfo(new UnitInfo(UnitId, UnitName), SubSysId, SubSysName),
                FovId, FovName);
        }

        public string GetKey() {
            return CreateKey(UnitId, SubSysId, FovId);
        }

        public static string CreateKey(eUnitId unitId, eSubSysId subSysId, eFovId fovId) {
            return $"{(int)unitId}_{(int)subSysId}_{(int)fovId}";
        }

        public override string ToString() {
            return $"{(int)UnitId}-{UnitName}_{(int)SubSysId}-{SubSysName}_{(int)FovId}-{FovName}";
        }

        public override bool Equals(object obj) {
            return Equals(obj as FovInfo);
        }

        public bool Equals(FovInfo fovInfo) {
            if (fovInfo is null) {
                return false;
            }

            if (Object.ReferenceEquals(this, fovInfo)) {
                return true;
            }

            return this.UnitId == fovInfo.UnitId
                && this.SubSysId == fovInfo.SubSysId
                && this.FovId == fovInfo.FovId;
        }

        public override int GetHashCode() {
            return _subSysInfo.GetHashCode() ^ FovId.GetHashCode();
        }

        public UnitInfo ToUnitInfo() {
            return _subSysInfo.ToUnitInfo();
        }

        public SubSysInfo ToSubSysInfo() {
            return _subSysInfo.Clone();
        }
    }
}