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

using Newtonsoft.Json;

using HeavenStudio.Util;

namespace HeavenStudio
{
    [Serializable]
    public class Beatmap
    {
        public float bpm;

        [JsonProperty(DefaultValueHandling = DefaultValueHandling.Populate)]
        [DefaultValue(100)]
        public int musicVolume; // In percent (1-100)
        
        public List<Entity> entities = new List<Entity>();
        public List<TempoChange> tempoChanges = new List<TempoChange>();
        public List<VolumeChange> volumeChanges = new List<VolumeChange>();
        public float firstBeatOffset;

        [Serializable]
        public class Entity : ICloneable
        {
            public float beat;
            public int track;

            // consideration: use arrays instead of hardcoding fixed parameter names
            [JsonProperty(DefaultValueHandling = DefaultValueHandling.Ignore)] public float length;
            [JsonProperty(DefaultValueHandling = DefaultValueHandling.Ignore)] public float valA;
            [JsonProperty(DefaultValueHandling = DefaultValueHandling.Ignore)] public float valB;
            [JsonProperty(DefaultValueHandling = DefaultValueHandling.Ignore)] public float valC;
            [JsonProperty(DefaultValueHandling = DefaultValueHandling.Ignore)] public bool toggle;
            [JsonProperty(DefaultValueHandling = DefaultValueHandling.Ignore)] public int type;
            [JsonProperty(DefaultValueHandling = DefaultValueHandling.Ignore)] public int type2;
            [JsonProperty(DefaultValueHandling = DefaultValueHandling.Ignore)] public int type3;
            [JsonProperty(DefaultValueHandling = DefaultValueHandling.Ignore)] public EasingFunction.Ease ease;
            [JsonProperty(DefaultValueHandling = DefaultValueHandling.Ignore)] public Color colorA;
            [JsonProperty(DefaultValueHandling = DefaultValueHandling.Ignore)] public Color colorB;
            [JsonProperty(DefaultValueHandling = DefaultValueHandling.Ignore)] public Color colorC;
            [JsonProperty(DefaultValueHandling = DefaultValueHandling.Ignore)] public string text1;
            [JsonProperty(DefaultValueHandling = DefaultValueHandling.Ignore)] public string text2;
            [JsonProperty(DefaultValueHandling = DefaultValueHandling.Ignore)] public string text3;
            [JsonProperty(DefaultValueHandling = DefaultValueHandling.Ignore)] public float swing;
            public string datamodel;
            [JsonIgnore] public Editor.Track.TimelineEventObj eventObj;

            public object Clone()
            {
                return this.MemberwiseClone();
            }

            public object this[string propertyName]
            {
                get
                {
                    return typeof(Entity).GetField(propertyName).GetValue(this);
                }
                set
                {
                    try
                    {
                        typeof(Entity).GetField(propertyName).SetValue(this, value);
                    }
                    catch (Exception ex)
                    {
                        UnityEngine.Debug.LogError($"You probably misspelled a paramater, or defined the object type wrong. Exception log: {ex}");
                    }
                }
            }
        }

        [Serializable]
        public class TempoChange : ICloneable
        {
            public float beat;
            public float length;
            public float tempo;

            public object Clone()
            {
                return this.MemberwiseClone();
            }
        }

        [Serializable]
        public class VolumeChange : ICloneable
        {
            public float beat;
            public float length;
            public float volume;

            public object Clone()
            {
                return this.MemberwiseClone();
            }
        }
    }
}