using System;
using System.IO;

namespace VisionCommon {
    public class FovPatternIndex : PatternIndex, ICloneable {
        public eUnitId UnitId { get; set; } = 0;
        public eSubSysId SubSysId { get; set; } = 0;
        public eFovId FovId { get; set; } = eFovId.Fov1;
        public string FovName { get; set; } = string.Empty;

        public FovPatternIndex(
            SubSysInfo subSysInfo, eFovId fovId, int patternId, int patternSubId = 0)
            : this(subSysInfo.UnitId, subSysInfo.SubSysId, fovId, patternId, patternSubId) {
        }

        public FovPatternIndex(
            eUnitId unitid, eSubSysId subSysId, eFovId fovId, int patternId, int patternSubId = 0)
            : this(unitid, subSysId, string.Empty, fovId, patternId, patternSubId) {
        }

        public FovPatternIndex(
            SubSysInfo subSysInfo, eFovId fovId, string fovName, int patternId, int patternSubId = 0)
            : this(subSysInfo.UnitId, subSysInfo.SubSysId, fovName, fovId, patternId, patternSubId) {
        }

        public FovPatternIndex(FovInfo fovInfo, string fovName, int patternId, int patternSubId = 0)
            : this(fovInfo.UnitId, fovInfo.SubSysId, fovName, fovInfo.FovId, patternId, patternSubId) {
        }

        public FovPatternIndex(
            eUnitId unitid, eSubSysId subSysId, string fovName, eFovId fovId, int patternId, int patternSubId = 0) {
            UnitId = unitid;
            SubSysId = subSysId;
            FovName = fovName;
            FovId = fovId;
            PatternId = patternId;
            PatternSubId = patternSubId;
        }

        public override string GetFullId() {
            return ToString();
        }

        public override string ToString() {
            return $"{(int)UnitId}_{(int)SubSysId}_{(int)FovId}_{PatternId}_{PatternSubId}";
        }

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

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

        public string GetPatternIdPrefix() {
            return GetPatternIdPrefix(UnitId, SubSysId, FovId, PatternId);
        }

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

        public override string GetSubPatternDirectoryPath() {
            return Path.Combine(
                ((int)UnitId).ToString(),
                ((int)SubSysId).ToString(),
                ((int)FovId).ToString(),
                PatternId.ToString(),
                PatternSubId.ToString());
        }

        public string GetPatternDirectoryPath() {
            return Path.Combine(
                ((int)UnitId).ToString(),
                ((int)SubSysId).ToString(),
                ((int)FovId).ToString(),
                PatternId.ToString());
        }

        public override object Clone() {
            return new FovPatternIndex(
                UnitId, SubSysId, FovName, FovId, PatternId, PatternSubId);
        }

        public override bool Equals(object obj) {
            if (this.GetType() != obj.GetType()) {
                return false;
            }

            return Equals(obj as FovPatternIndex);
        }

        public bool Equals(FovPatternIndex patternIndex) {
            if (patternIndex is null) {
                return false;
            }

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

            return this.ToString() == patternIndex.ToString();
        }

        public override int GetHashCode() {
            return UnitId.GetHashCode() ^ SubSysId.GetHashCode() ^
                FovId.GetHashCode() ^ PatternId.GetHashCode() ^ PatternSubId.GetHashCode();
        }
    }
}