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

public class CTAGUI : MonoBehaviour
{
    private ChallengeThemAll challengeThemAll;
    private List<string> pList = new List<string>();
    private int tab;
    private bool ShowWindow;
    private Rect principalWindow = new Rect(Screen.width/2 - 350, Screen.height/2 - 150, 700, 300);
    private Rect loginWindow = new Rect(Screen.width/2 - 115, Screen.height/2 - 55, 230, 140);
    private bool redim;
    private Vector2 scroll;
    private Vector2 scroll2;

    //MISSION LIST VAR
    private IEnumerable<int> ordered;
    private int order = 7; //0 name, 1 aname, 2 creator, 3 acreator, 4 quality, 5 aquality, 6 creationdate, 7 adate
    private Vector2 scroll3;
    private Vector2 scroll4;

    //MISSION INFO VAR
    private int mts;
    public int missiontoshow
    {
        get { return mts; }
        set { mts = value;
            tab = 7;
        }
    }

;

    //CREATE MISSION VAR
    private MissionData mission = new MissionData();
    private int menu = -1;
    private int showedCond = -1;

    private string lastPassword = "";

    private List<string> messages = new List<string>();
    private string message = "";

    public CTAGUI(ChallengeThemAll challengeThemAll)
    {
        this.challengeThemAll = challengeThemAll;
    }

    public void OnGUI()
    {
        GUI.skin = HighLogic.Skin;
        GUI.Window(1956, new Rect(Screen.width /2+300, Screen.height - 80, 300, 80), DrawHud, "Missions");
        if (ShowWindow)
        {
            if (StaticData.isLogged)
                principalWindow = GUI.Window(1957, principalWindow, DrawPrincipalGui, "");
            else
                loginWindow = GUI.Window(1957, loginWindow, DrawLogginGui, "");
        }
        ShowWindow = GUI.Toggle(new Rect(Screen.width - 150, Screen.height - 230, 150, 30), ShowWindow, "ChallengeThemAll",
                                GUI.skin.button);
    }

    private void DrawPrincipalGui(int id)
    {
        /* DRAWING ACTUAL WINDOW */
        GUI.BeginGroup(new Rect(140, 20, principalWindow.width - 145, principalWindow.height - 25), GUI.skin.box);
        switch (tab)
        {
            case 1:
                ProfileGui();
                break;
            case 2:
                ChatGui();
                break;
            case 6:
                MissionListGui();
                break;
            case 7:
                MissionInfoGui();
                break;
            case 8:
                CreateMissionGui();
                break;
        }
        GUI.EndGroup();
        /* DRAW WINDOW SELECTOR */
        GUI.BeginGroup(new Rect(5, 20, 135, principalWindow.height - 25), GUI.skin.box);
        if (GUI.Button(new Rect(5, 5, 126, 25), "Home"))
            tab = 0;
        else if (GUI.Button(new Rect(5, 5 + 25, 126, 25), "Profile"))
            tab = 1;
        else if (GUI.Button(new Rect(5, 5 + 25*2, 126, 25), "Chat"))
            tab = 2;
        else if (GUI.Button(new Rect(5, 5 + 25*3, 126, 25), "Mission list"))
            tab = 6;
        else if (GUI.Button(new Rect(5, 5 + 25*5, 126, 25), "Mission info"))
            tab = 7;
        else if (GUI.Button(new Rect(5, 5 + 25*8, 126, 25), "Create a mission"))
            tab = 8;
        else if (GUI.Button(new Rect(5, 5 + 25 * 9, 126, 25), "Disconnect"))
            challengeThemAll.disconnect();
        GUI.EndGroup();
        /* RESIZING SYSTEM */
        if (Input.mousePosition.x >= principalWindow.x + principalWindow.width - 10 &&
            Input.mousePosition.x <= principalWindow.x + principalWindow.width &&
            Screen.height - Input.mousePosition.y >= principalWindow.y + principalWindow.height - 10 &&
            Screen.height - Input.mousePosition.y <= principalWindow.y + principalWindow.height)
        {
            redim = Input.GetMouseButton(0);
        }
        else
        {
            if (redim)
            {
                redim = Input.GetMouseButton(0);
                principalWindow.width = Mathf.Max(700, Input.mousePosition.x - principalWindow.x);
                principalWindow.height = Mathf.Max(Screen.height - Input.mousePosition.y - principalWindow.y, 300);
            }
            else
                GUI.DragWindow();
        }
    }

    private void MissionInfoGui()
    {
        GUI.Label(new Rect(5, 5, 100, 20), StaticData.missionList[missiontoshow].missionName);
        if(GUI.Button(new Rect(5, 30, 40, 40), "Accept"))
        {
            
        }
    }

    private void MissionListGui()
    {
        int width = (int) (principalWindow.width - 145);
        /* ORDERING */
        if (GUI.Button(new Rect(0, 0, width/4, 30), "Name"))
        {
            order = order == 0 ? 1 : 0;
            onMissionListModified();
        }
        if (GUI.Button(new Rect(width/4, 0, width/4, 30), "Creator"))
        {
            order = order == 2 ? 3 : 2;
            onMissionListModified();
        }
        if (GUI.Button(new Rect(width/4*2, 0, width/4, 30), "Quality"))
        {
            order = order == 4 ? 5 : 4;
            onMissionListModified();
        }
        if (GUI.Button(new Rect(width/4*3, 0, width/4, 30), "Date"))
        {
            order = order == 6 ? 7 : 6;
            onMissionListModified();
        }
        /* DRAWING LIST */
        GUI.BeginScrollView(new Rect(0, 30, width, principalWindow.height - 55), scroll3,
                            new Rect(0, 0, width, ordered.Count()*30));
        for (int i = 0; i < ordered.Count(); i++)
        {
            MissionData m = StaticData.missionList[ordered.ElementAtOrDefault(i)];
            GUI.BeginGroup(new Rect(0, i*30, width, 30), GUI.skin.box);
            if (GUI.Button(new Rect(0, 0, width, 30), ""))
                requestmissioninfo(m.missionId);
            GUI.Label(new Rect(3, 5, 100, 20), m.missionName);
            GUI.Label(new Rect(width/4, 5, 100, 20), m.creatorName);
            GUI.Label(new Rect(width/4*2, 5, 100, 20), m.rating + "");
            GUI.Label(new Rect(width/4*3, 5, 100, 20), m.startTime + "");
            GUI.EndGroup();
        }
        GUI.EndScrollView();
    }

    private void CreateMissionGui()
    {
        int width = (int) (principalWindow.width - 145)/2, heigth = (int) (principalWindow.height - 25);
        /* LEFT PANEL */
        GUI.BeginGroup(new Rect(0, 0, width, heigth), GUI.skin.box);
        /* NAME AND DESCRIPTION */
        GUI.skin.textField.padding.top = 7;
        GUI.SetNextControlName("mn");
        mission.missionName = GUI.TextField(new Rect(5, 5, width - 10, 30), mission.missionName);
        GUI.skin.textField.padding.top = 3;
        if (mission.missionName.Length == 0 && GUI.GetNameOfFocusedControl() != "mn")
            GUI.Label(new Rect(11, 10, 300, 30), "Mission name");
        if (mission.missionDesc.Length == 0 && GUI.GetNameOfFocusedControl() != "md")
            GUI.Label(new Rect(11, 42, 300, 30), "Description");
        GUI.SetNextControlName("md");
        mission.missionDesc = GUI.TextArea(new Rect(5, 37, width - 10, heigth - 137), mission.missionDesc);
        /* RIGHT PANEL SELECTOR */
        menu = GUI.Button(new Rect(5 + width/4*0, heigth - 95, width/4 - 10, 30), GetTargetButton(1))
                   ? 0
                   : GUI.Button(new Rect(5 + width/4*1, heigth - 95, width/4 - 10, 30), GetTargetButton(2))
                         ? 1
                         : GUI.Button(new Rect(5 + width/4*2, heigth - 95, width/4 - 10, 30), GetTargetButton(3))
                               ? 2
                               : GUI.Button(new Rect(5 + width/4*3, heigth - 95, width/4 - 10, 30), GetTargetButton(4))
                                     ? 3
                                     : menu;
        if (menu != 10 && menu != -1 && mission.missionTarget[menu] == null)
            mission.missionTarget[menu] = new MissionTarget();
        /* DIFFICULTY */
        int startToggle = GUI.skin.toggle.padding.left;
        GUI.skin.toggle.padding.left = 10;
        if (GUI.Toggle(new Rect(0, heigth - 30, 60, 20), mission.difficulty == 0, "Easy"))
            mission.difficulty = 0;
        if (GUI.Toggle(new Rect(60, heigth - 30, 80, 20), mission.difficulty == 1, "Medium"))
            mission.difficulty = 1;
        if (GUI.Toggle(new Rect(140, heigth - 30, 60, 20), mission.difficulty == 2, "Hard"))
            mission.difficulty = 2;
        GUI.skin.toggle.padding.left = startToggle;
        /* CONTROLS BUTTON */
        if (GUI.Button(new Rect(width - 160, heigth - 60, 80, 30), "Condition"))
            menu = 10;
        if (GUI.Button(new Rect(width - 80, heigth - 60, 75, 30), "Test"))
        {
        }
        if (GUI.Button(new Rect(width - 65, heigth - 30, 60, 30), "Create"))
        {
        }
        GUI.Label(new Rect(5, heigth - 55, 300, 20), "Duration :");
        int result;
        if (
            int.TryParse(
                "0" +
                GUI.TextField(new Rect(70, heigth - 60, 40, 25),
                              mission.missionTime == 0 ? "" : mission.missionTime + ""), out result))
            mission.missionTime = result;
        GUI.EndGroup();
        /* RIGHT PANEL */
        GUI.BeginGroup(new Rect(width, 0, width + 1, heigth), GUI.skin.box);
        /* CONDITIONS */
        if (menu == 10)
        {
            GUI.Label(new Rect(width/2 - 35, 5, 70, 20), "Conditions");
            if (GUI.Button(new Rect(3, 3, 15, 15), "+"))
            {
                new CSelector<byte>("Choose condition", Condition.conditionsType,
                                    b => mission.conditionList.Add(new Condition(b))).OpenWindow();
            }
            scroll4 = GUI.BeginScrollView(new Rect(5, 30, width - 10, heigth - 35), scroll4,
                                          new Rect(0, 0, width - 25, mission.conditionList.Count*30));
            for (int i = 0; i < mission.conditionList.Count; i++)
            {
                Condition cond = mission.conditionList[i];
                GUI.BeginGroup(new Rect(0, i*30, width - 30, 30), GUI.skin.box);
                GUI.enabled = i != showedCond;
                if (GUI.Button(new Rect(0, 0, 20, 30), "-"))
                {
                    mission.conditionList.RemoveAt(i);
                    i--;
                    continue;
                }
                if (GUI.Button(new Rect(20, 0, (width - 50), 30), cond.GetDisplayString()))
                {
                    new ConditionParameter(mission, i, () => showedCond = -1).OpenWindow();
                    showedCond = i;
                }
                GUI.enabled = true;
                GUI.EndGroup();
            }
            GUI.EndScrollView();
        } /* TARGET */
        else if (menu != -1)
        {
            MissionTarget target = mission.missionTarget[menu];
            GUI.enabled = !target.isKerbal;
            if (GUI.Button(new Rect(width/2, 10, 70, 25), "Kerbal"))
                target.isKerbal = true;
            GUI.enabled = !GUI.enabled;
            if (GUI.Button(new Rect(width/2 - 70, 10, 70, 25), "Vessel"))
                target.isKerbal = false;
            GUI.enabled = true;
            /* KERBAL */
            if (target.isKerbal)
            {
                GUI.Label(new Rect(5, 60, 100, 20), "Celestial body :");
                if (GUI.Button(new Rect(100, 62, width - 110, 20), target.celestialBody))
                    new Selector<CelestialBody>("Select celestial body", FlightGlobals.Bodies, s => s.name,
                                                body => mission.missionTarget[menu].celestialBody = body.name).
                        OpenWindow();
                GUI.Label(new Rect(5, 85, 100, 20), "Target name :");
                target.targetName = GUI.TextField(new Rect(90, 85, width - 100, 20), target.targetName);
                float a;
                GUI.Label(new Rect(5, 110, 100, 20), "Apoapsis :");
                if (
                    float.TryParse(
                        "0" +
                        GUI.TextField(new Rect(70, 111, 100, 20),
                                      target.SMA_long.ToString().Contains(".")
                                          ? target.SMA_long + ""
                                          : target.SMA_long + ".0"), out a))
                    target.SMA_long = a;
                GUI.Label(new Rect(5, 135, 100, 20), "Eccentricity :");
                if (
                    float.TryParse(
                        "0" +
                        GUI.TextField(new Rect(86, 136, 100, 20),
                                      target.eccentricity.ToString().Contains(".")
                                          ? target.eccentricity + ""
                                          : target.eccentricity + ".0"), out a))
                    target.eccentricity = a;
                GUI.Label(new Rect(5, 160, 100, 20), "Inclinaison :");
                if (
                    float.TryParse(
                        "0" +
                        GUI.TextField(new Rect(80, 161, 100, 20),
                                      target.inclinaison_lat.ToString().Contains(".")
                                          ? target.inclinaison_lat + ""
                                          : target.inclinaison_lat + ".0"), out a))
                    target.inclinaison_lat = a;
                GUI.Label(new Rect(5, 185, 100, 20), "LAN :");
                if (
                    float.TryParse(
                        "0" +
                        GUI.TextField(new Rect(45, 185, 100, 20),
                                      target.LAN.ToString().Contains(".") ? target.LAN + "" : target.LAN + ".0"), out a))
                    target.LAN = a;
            }
            else /* VESSEL */
            {
                GUI.Label(new Rect(5, 38, 100, 20), "Vessel : ");
                if (GUI.Button(new Rect(60, 40, width - 70, 20), target.filepath))
                {
                    new Selector<string>("Select vessel",
                                         new DirectoryInfo(KSPUtil.ApplicationRootPath + "/saves/" +
                                                           HighLogic.SaveFolder + "/Ships/VAB/").GetFiles("*.craft").
                                             Select(fi => fi.Name).ToList()
                                         , s => s.ToString(), s => mission.missionTarget[menu].filepath = s).OpenWindow();
                }
                GUI.Label(new Rect(5, 60, 100, 20), "Celestial body :");
                if (GUI.Button(new Rect(100, 62, width - 110, 20), target.celestialBody))
                    new Selector<CelestialBody>("Select celestial body", FlightGlobals.Bodies, s => s.name,
                                                body => mission.missionTarget[menu].celestialBody = body.name).
                        OpenWindow();
                GUI.Label(new Rect(5, 85, 100, 20), "Target name :");
                target.targetName = GUI.TextField(new Rect(90, 85, width - 100, 20), target.targetName);
                float a;
                GUI.Label(new Rect(5, 110, 100, 20), "Apoapsis :");
                if (
                    float.TryParse(
                        "0" +
                        GUI.TextField(new Rect(70, 111, 100, 20),
                                      target.SMA_long.ToString().Contains(".")
                                          ? target.SMA_long + ""
                                          : target.SMA_long + ".0"), out a))
                    target.SMA_long = a;
                GUI.Label(new Rect(5, 135, 100, 20), "Eccentricity :");
                if (
                    float.TryParse(
                        "0" +
                        GUI.TextField(new Rect(86, 136, 100, 20),
                                      target.eccentricity.ToString().Contains(".")
                                          ? target.eccentricity + ""
                                          : target.eccentricity + ".0"), out a))
                    target.eccentricity = a;
                GUI.Label(new Rect(5, 160, 100, 20), "Inclinaison :");
                if (
                    float.TryParse(
                        "0" +
                        GUI.TextField(new Rect(80, 161, 100, 20),
                                      target.inclinaison_lat.ToString().Contains(".")
                                          ? target.inclinaison_lat + ""
                                          : target.inclinaison_lat + ".0"), out a))
                    target.inclinaison_lat = a;
                GUI.Label(new Rect(5, 185, 100, 20), "LAN :");
                if (
                    float.TryParse(
                        "0" +
                        GUI.TextField(new Rect(45, 185, 100, 20),
                                      target.LAN.ToString().Contains(".") ? target.LAN + "" : target.LAN + ".0"), out a))
                    target.LAN = a;
            }
        }
        GUI.EndGroup();
    }

    private string GetTargetButton(int id)
    {
        if (mission.missionTarget[id - 1] != null)
        {
            if (mission.missionTarget[id - 1].isKerbal)
                return "Kerbal " + id;
            return "Vessel " + id;
        }
        return "Empty";
    }

    private void ProfileGui()
    {
        GUI.Label(new Rect(10, 5, 400, 20), "Username : " + StaticData.username);
        GUI.Label(new Rect(10, 25, 400, 20), "Rank : " + StaticData.rank);
        GUI.Label(new Rect(10, 45, 400, 20), "Missions completed : " + StaticData.missionAccomplished);
    }

    private void ChatGui()
    {
        /* DRAW MESSAGES */
        GUILayout.BeginArea(new Rect(0, 0, principalWindow.width - 290, principalWindow.height - 45));
        scroll = GUILayout.BeginScrollView(scroll);
        foreach (string messagea in messages)
        {
            GUILayout.BeginHorizontal();
            GUILayout.Label(messagea);
            GUILayout.FlexibleSpace();
            GUILayout.EndHorizontal();
            GUILayout.Space(-10);
        }
        GUILayout.Space(5);
        GUILayout.EndScrollView();
        GUILayout.EndArea();
        /* TEXT FIELD */
        GUI.SetNextControlName("textmsg");
        message = GUI.TextField(new Rect(0, principalWindow.height - 45, principalWindow.width - 290, 20), message);
        if (Event.current.isKey && Event.current.keyCode == KeyCode.Return && GUI.GetNameOfFocusedControl() == "textmsg")
        {
            if (message.Length > 0)
                SendMessage(-1, message);
            message = "";
        }
        /* PLAYERNAMES */
        GUILayout.BeginArea(new Rect(principalWindow.width - 290, 0, 145, principalWindow.height - 25), GUI.skin.box);
        scroll2 = GUILayout.BeginScrollView(scroll2);
        foreach (string pname in pList)
        {
            GUILayout.BeginHorizontal();
            GUILayout.Label(pname);
            GUILayout.FlexibleSpace();
            GUILayout.EndHorizontal();
            GUILayout.Space(-10);
        }
        GUILayout.Space(5);
        GUILayout.EndScrollView();
        GUILayout.EndArea();
    }

    private void DrawLogginGui(int id)
    {
        GUI.BeginGroup(new Rect(loginWindow.width/2 - 110, 20, 220, 110));
        GUI.Label(new Rect(10, 0, 100, 30), "Username : ");
        StaticData.username = GUI.TextField(new Rect(10, 20, 200, 18), StaticData.username);
        GUI.Label(new Rect(10, 40, 220, 30), lastPassword.Length > 0 ? "Please retype your password :" : "Password : ");
        StaticData.password = GUI.PasswordField(new Rect(10, 60, 200, 18), StaticData.password, '¤', 25);
        if (GUI.Button(new Rect(10, 80, 100, 30), "Create account"))
        {
            if (lastPassword.Length == 0)
            {
                lastPassword = StaticData.password;
                StaticData.password = "";
            }
            else
            {
                if (StaticData.password == lastPassword)
                {
                    StaticData.createAccount = true;
                    challengeThemAll.connectToServer();
                }
                else
                {
                    lastPassword = "";
                    StaticData.password = "";
                }
            }
        }
        if (GUI.Button(new Rect(110, 80, 100, 30), "Connect"))
        {
            StaticData.createAccount = false;
            challengeThemAll.connectToServer();
        }
        GUI.EndGroup();
    }

    private void DrawHud(int id)
    {
    }

    public void addChatMessage(String message)
    {
        messages.Add(message);
    }

    public void onMissionListModified()
    {
        List<int> toOrder = new List<int>();
        foreach (int key in StaticData.missionList.Keys)
            toOrder.Add(key);
        switch (order)
        {
            case 0:
                ordered = toOrder.OrderBy(test => StaticData.missionList[test].missionName);
                break;
            case 1:
                ordered = toOrder.OrderByDescending(test => StaticData.missionList[test].missionName);
                break;
            case 2:
                ordered = toOrder.OrderBy(test => StaticData.missionList[test].creatorName);
                break;
            case 3:
                ordered = toOrder.OrderByDescending(test => StaticData.missionList[test].creatorName);
                break;
            case 4:
                ordered = toOrder.OrderBy(test => StaticData.missionList[test].rating);
                break;
            case 5:
                ordered = toOrder.OrderByDescending(test => StaticData.missionList[test].rating);
                break;
            case 6:
                ordered = toOrder.OrderBy(test => StaticData.missionList[test].startTime);
                break;
            case 7:
                ordered = toOrder.OrderByDescending(test => StaticData.missionList[test].startTime);
                break;
        }
    }

    private void SendMessage(int roomId, String message)
    {
        challengeThemAll.getServerManager().sendPacket(new Packet5ChatMessage(roomId, message));
    }

    private void requestmissioninfo(int missionId)
    {
    }

    public void generalPlayerListReceived(Packet10PlayerList data)
    {
        Logger.instance.log("received player list !");
        switch (data.mode)
        {
            case 0:
                pList.Remove(data.playerList[0]);
                break;
            case 1:
                pList.Add(data.playerList[0]);
                break;
            case 2:
                pList.Clear();
                for (int i = 0; i < data.playerList.Length; i++)
                {
                    pList.Add(data.playerList[i]);
                }
                break;
        }
    }
}