using System.Collections;
using System.Collections.Generic;
using System.Linq;
using System;
using UnityEngine;
using static JSONManager;
using JsonSubTypes;
using Newtonsoft.Json;

public class Scroll : LightScroll
{
    public string label;
    public string description;
    public List<ScrollFact> requiredFacts;
    public List<ScrollFact> acquiredFacts;

    public static List<Scroll> FromJSON(string json)
    {
        List<Scroll> scrolls = JsonConvert.DeserializeObject<List<Scroll>>(json);
        return scrolls;
    }
    public static string ToJSON(FilledScroll scroll)
    {
        string json = Newtonsoft.Json.JsonConvert.SerializeObject(scroll);
        return json;
    }

    // id of fact, positions in Description
    public static List<KeyValuePair<int,int>>[] FactOccurences;

    public static void InitDynamicScroll(int n)
    {
        FactOccurences = new List<KeyValuePair<int, int>>[n];
    }

    public class ScrollAssignment
    {
       public KeyValuePair<string, JSONManager.MMTTerm> assignment;
    }

    public class FilledScroll
    {
        LightScroll scroll;
        List<ScrollAssignment> assignments;

        public FilledScroll(LightScroll scroll, List<ScrollAssignment> assignments)
        {
            this.scroll = scroll;
            this.assignments = assignments;
        }
    }


    [JsonConverter(typeof(JsonSubtypes), "kind")]
    [JsonSubtypes.KnownSubType(typeof(ScrollSymbolFact), "general")]
    [JsonSubtypes.KnownSubType(typeof(ScrollValueFact), "veq")]
    public class ScrollFact
    {
        public string kind;
        public UriReference @ref;
        public string label;
    }

    public class UriReference
    {
        public string uri;
    }

    /**
    * Class used for deserializing incoming symbol-declarations from mmt
    */
    public class ScrollSymbolFact : ScrollFact
    {
        public MMTTerm tp;
        public MMTTerm df;
    }

    /**
    * Class used for deserializing incoming value-declarations from mmt
    */
    public class ScrollValueFact : ScrollFact
    {
        MMTTerm lhs;
        MMTTerm valueTp;
        MMTTerm value;
        MMTTerm proof;
    }

}

public class LightScroll
{
    public ScrollTheoryReference @ref;
}

public class ScrollTheoryReference
{
    public string problemTheory;
    public string solutionTheory;
}