using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;


public class Condition
{
    public static readonly Dictionary<byte, string> conditionsType = new Dictionary<byte, string>
                                                                {
                                                                    {0, "Dock to"}, {1, "Land at"}, {2, "Rescew kerbal"}, {3, "Orbit"}
                                                                };


    public int id;
    public byte type;
    public Object[] param;

    //OnAir
    public bool completed = false;

    public Condition(byte type)
    {
        this.type = type;
        switch (type)
        {
            case 0:
                param = new object[] { 0 };
                break;
            case 1:
                param = new object[] { "" };
                break;
            case 2:
                param = new object[] { 0 };
                break;
            case 3:
                param = new object[] { "", 0f, 0f, 0f, 0f };
                break;
        }
    }

    public string GetDisplayString(MissionData data)
    {
        switch (type)
        {
            case 0:
                MissionTarget target = data.missionTarget.ElementAtOrDefault((int)param[0]);
                if (target == null || target.isKerbal)
                    return "Dock to";
                return "Dock to " + target.targetName + " around " + target.celestialBody;
            case 1:
                return "Land at " + param[0];
            case 2:
                target = data.missionTarget.ElementAtOrDefault((int)param[0]);
                if (target == null || !target.isKerbal)
                    return "Dock to";
                return "Rescew " + target.targetName + " around " + target.celestialBody;
            case 3:
                return "Orbit around " + param[0];
        }
        return conditionsType[type];
    }

    public int GetDependencies()
    {
        switch (type)
        {
            case 2:
            case 0:
                return (int)param[0];
            default:
                return -1;
        }
    }

    public static void ConditionDataToBinary(Condition condition, BinaryWriter dataoutput)
    {
        Packet.writeByte(condition.type, dataoutput);
        Packet.writeInt(condition.id,dataoutput);
        if (condition.type == 0)
        {
            Packet.writeInt((int)condition.param[0], dataoutput);
        }
        else if (condition.type == 1)
        {
            Packet.writeString((string)condition.param[0], dataoutput);
        }
        else if (condition.type == 2)
        {
            Packet.writeInt((int)condition.param[0], dataoutput);
        }
        else if (condition.type == 3)
        {
            Packet.writeString((string)condition.param[0], dataoutput);
            Packet.writeFloat((float)condition.param[1], dataoutput);
            Packet.writeFloat((float)condition.param[2], dataoutput);
            Packet.writeFloat((float)condition.param[3], dataoutput);
            Packet.writeFloat((float)condition.param[4], dataoutput);
            Packet.writeFloat((float)condition.param[5], dataoutput);
            Packet.writeFloat((float)condition.param[6], dataoutput);
            Packet.writeFloat((float)condition.param[7], dataoutput);
            Packet.writeFloat((float)condition.param[8], dataoutput);
        }

        
    }

    

        public static Condition BinaryToConditionData(BinaryReader datainput){
            Condition condition = new Condition(Packet.readByte(datainput));
            condition.id = Packet.readInt(datainput);
            if(condition.type==0){
                condition.param[0] = Packet.readInt(datainput);
            }else if(condition.type==1){
                 condition.param[0] = Packet.readString(datainput);
            }else if(condition.type==2){
                condition.param[0] = Packet.readInt(datainput);
            }
            else if (condition.type == 3)
            {
                condition.param[0] = Packet.readString(datainput);
                condition.param[1] = Packet.readFloat(datainput);
                condition.param[2] = Packet.readFloat(datainput);
                condition.param[3] = Packet.readFloat(datainput);
                condition.param[4] = Packet.readFloat(datainput);
                condition.param[5] = Packet.readFloat(datainput);
                condition.param[6] = Packet.readFloat(datainput);
                condition.param[7] = Packet.readFloat(datainput);
                condition.param[8] = Packet.readFloat(datainput);
            }
            return condition;
        }

}