using System;
using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.Networking;

public class APIMenu : MonoBehaviour
{

    #region User
    [Serializable]
    public class UserDetails
    {
        public int status;
        public string token;
        public Response[] response;
    }
    [Serializable]
    public class Response
    {
        public int IDMatricula;
        public string Nome;
    }
    #endregion

    #region Class
    [Serializable]
    public class Classes
    {
        public int status;
        public List<responseClass> response = new List<responseClass>();
    }
    [Serializable]
    public class responseClass {
        public int idclasses, idcourses, disabled, ordem, viewed, sprites, demo;
        public string name, description;
    }
    #endregion

    #region Courses
    [Serializable]
    public class Courses {
        public int status;
        public List<responseCourses> response = new List<responseCourses>();
    }
    [Serializable]
    public class responseCourses {
        public int IDCurso;
        public string NomeVersao;
    }
    #endregion

    #region Liberada
    [Serializable]
    public class AulasLiberadas
    {
        public int status;
        public responseLiberadas[] response;
    }
    [Serializable]
    public class responseLiberadas {
        public int qtde_presencas;
        public int IDCurso;
    }
    #endregion

    string route = "zoe.myrobotlab.com.br";
    bool gotRoute = false;
    public bool LicaoDeCasa = true;
    public static bool licaodecasa;
    public List<ClassContents> classesStorage = new List<ClassContents>();
    public List<ClassContents> coursesStorage = new List<ClassContents>();
    CacheController cc;
    public bool fullSync = false;
    IEnumerator GetRoute()
    {
        yield return new WaitForEndOfFrame();
        while (!ReadingFile.instance.canGo)
        {
            yield return new WaitForEndOfFrame();
        }

        route = ReadingFile.route;

        yield return new WaitForEndOfFrame();

        gotRoute = true;

        yield break;
    }

    private void Awake()
    {
        cc = GetComponent<CacheController>();
        licaodecasa = LicaoDeCasa;
        if (PlayerPrefs.HasKey("CurrentVersion"))
        {
            if (PlayerPrefs.GetString("CurrentVersion") != Application.version)
            {
                Debug.Log("Has to resync");
                fullSync = true;
                PlayerPrefs.SetString("CurrentVersion", Application.version);
            }
        }
        else
        {
            Debug.Log("Has to resync");
            fullSync = true;
            PlayerPrefs.SetString("CurrentVersion", Application.version);
        }
        VerifyCaches();
        StartCoroutine(GetRoute());
    }

    public class BypassCertificate : CertificateHandler
    {
        protected override bool ValidateCertificate(byte[] certificateData)
        {
            //Simply return true no matter what
            return true;
        }
    }
    
    public IEnumerator listClasses(string idCurso, string qntdChamadas) 
    {
        ClassContents thisClass = new ClassContents();
        thisClass.idClass = idCurso;
        bool useCache = false;
        for (int i = 0; i < classesStorage.Count; i++)
        {
                if (classesStorage[i].idClass == idCurso && classesStorage[i].isHomework == LicaoDeCasa)
                {
                    thisClass.contentJson = classesStorage[i].contentJson;
                    useCache = true;
                    continue;
                }
        }

        while (!gotRoute)
        {
            yield return new WaitForEndOfFrame();
        }

        string rotaCerta = "getClassEnByCourse";

        if (ReadingFile.instance.userType == ReadingFile.UserType.Admin)
        {
            rotaCerta = "getClassEnByCourseAll";
            Debug.Log(qntdChamadas);
        }
        if (!useCache)
        {
            using (UnityWebRequest www = UnityWebRequest.Get(route + "/api/classes/" + rotaCerta + "/" + idCurso + "/" + qntdChamadas + "/" + ((LicaoDeCasa) ? 1 : 0)))
            {
                www.certificateHandler = new BypassCertificate();
                www.downloadHandler = new DownloadHandlerBuffer();

                string token = PlayerPrefs.GetString("token");
                www.SetRequestHeader("token", Uri.EscapeUriString(token));

                yield return www.SendWebRequest();
    
            if (www.isNetworkError || www.isHttpError)
                {
                    Debug.LogError(www.error);

                    yield return new WaitForSecondsRealtime(1);

                    yield return StartCoroutine(listClasses(idCurso, qntdChamadas));
                }
                else
                {
                    string Json = www.downloadHandler.text;
                    thisClass.contentJson = Json;
                    Debug.Log(Json);
                    Classes classess = JsonUtility.FromJson<Classes>(Json);
                    if (classess.response.Count <= 0)
                    {
                        responseClass fakeResponse = new responseClass();
                        fakeResponse.description = "No Class";
                        fakeResponse.disabled = 1;
                        fakeResponse.idclasses = 0;
                        fakeResponse.idcourses = 0;
                        fakeResponse.name = "No class";
                        fakeResponse.ordem = 0;
                        fakeResponse.viewed = 0;
                        fakeResponse.sprites = 0;
                        fakeResponse.demo = 0;
                        classess.response.Add(fakeResponse);
                    }
                    // Mostrar apenas as aulas demonstrativas
                    if (ReadingFile.instance.userType == ReadingFile.UserType.Demo)
                    {
                        List<responseClass> newResponseForDemo = new List<responseClass>();

                        for (int i = 0; i < classess.response.Count; i++)
                        {
                            if (classess.response[i].demo == 1)
                            {
                                newResponseForDemo.Add(classess.response[i]);
                            }
                        }

                        //classess.response = new responseClass[newResponseForDemo.Count];

                        classess.response.AddRange(newResponseForDemo.ToArray());
                    }

                    MenuController menu = MenuController.instance;
                    menu.classes.Add(classess);
                    classesStorage.Add(thisClass);
                    Debug.Log("Added " + thisClass.ToString());
                }
            }
        }
        else
        {
            string Json = thisClass.contentJson;
            Debug.Log(Json);
            Classes classess = JsonUtility.FromJson<Classes>(Json);
            if (classess.response.Count <= 0)
            {
                responseClass fakeResponse = new responseClass();
                fakeResponse.description = "No Class";
                fakeResponse.disabled = 1;
                fakeResponse.idclasses = 0;
                fakeResponse.idcourses = 0;
                fakeResponse.name = "No class";
                fakeResponse.ordem = 0;
                fakeResponse.viewed = 0;
                fakeResponse.sprites = 0;
                fakeResponse.demo = 0;
                classess.response.Add(fakeResponse);
            }
            // Mostrar apenas as aulas demonstrativas
            if (ReadingFile.instance.userType == ReadingFile.UserType.Demo)
            {
                List<responseClass> newResponseForDemo = new List<responseClass>();

                for (int i = 0; i < classess.response.Count; i++)
                {
                    if (classess.response[i].demo == 1)
                    {
                        newResponseForDemo.Add(classess.response[i]);
                    }
                }

                //classess.response = new responseClass[newResponseForDemo.Count];

                classess.response.AddRange(newResponseForDemo.ToArray());
            }

            MenuController menu = MenuController.instance;
            menu.classes.Add(classess);
        }
        yield break;
    }

    public IEnumerator aulasLiberadas(string idaluno, string idcurso, string banco, string nomeCurso) 
    {
        while (!gotRoute)
        {
            yield return new WaitForEndOfFrame();
        }

        using (UnityWebRequest www = UnityWebRequest.Get(route + "/api/classes/getQtdeChamadas/" + idaluno + "/(" + idcurso + ")/" + banco))
        {
            www.certificateHandler = new BypassCertificate();
            www.downloadHandler = new DownloadHandlerBuffer();

            string token = PlayerPrefs.GetString("token");
            www.SetRequestHeader("token", Uri.EscapeUriString(token));

            yield return www.SendWebRequest();

            if (www.isNetworkError || www.isHttpError)
            {
                Debug.LogError(www.error);

                yield return new WaitForSecondsRealtime(1);

                yield return StartCoroutine(aulasLiberadas(idaluno, idcurso, banco, nomeCurso));
            }
            else
            {
                string Json = www.downloadHandler.text;
                Json = Json.Replace(":[[{", ":[{");
                Json = Json.Replace("}]]}", "}]}");

                AulasLiberadas aulas = JsonUtility.FromJson<AulasLiberadas>(Json);
                int qtdPresencas = aulas?.response?.Length > 0 ? aulas.response[0].qtde_presencas : 0;

                MenuController menu = MenuController.instance;
                menu.allowedCourses.Add(idcurso);
                menu.allowedClasses.Add(qtdPresencas);
                Debug.Log("Quantidade de chamadas: " + aulas.response[0].qtde_presencas);
                menu.coursesName.Add(nomeCurso);
            }
        }

        yield break;
    }

    public IEnumerator listCourses(string idAluno, string banco) {
        while (!gotRoute)
        {
            yield return new WaitForEndOfFrame();
        }

        string url = route + "/api/courses/";
        if (ReadingFile.StudentUsers.Contains(ReadingFile.instance.userType))
            url += "getRobotCourseByStudent/" + idAluno + "/" + banco;
        else
            url += "getRobotCourses";

        using (UnityWebRequest www = UnityWebRequest.Get(url))
        {
            www.certificateHandler = new BypassCertificate();
            www.downloadHandler = new DownloadHandlerBuffer();

            string token = PlayerPrefs.GetString("token");
            www.SetRequestHeader("token", Uri.EscapeUriString(token));

            yield return www.SendWebRequest();

            if (www.isNetworkError || www.isHttpError)
            {
                Debug.LogError(www.error);

                yield return new WaitForSecondsRealtime(1);

                yield return StartCoroutine(listCourses(idAluno, banco));
            }
            else
            {
                string Json = www.downloadHandler.text;
                Json = Json.Replace(":[[{", ":[{");
                Json = Json.Replace("}]]}", "}]}"); 

                Courses courses = JsonUtility.FromJson<Courses>(Json);

               // responseCourses kids = new responseCourses();
               // kids.IDCurso = 42;
               // kids.NomeVersao = "Kids Módulo 1";
               // courses.response.Add(kids);
                
                if (ReadingFile.instance.userType != ReadingFile.UserType.Admin)
                {
                    responseCourses extraClasses = new responseCourses();
                    extraClasses.IDCurso = 41;
                    extraClasses.NomeVersao = "Aulas Extras";
                    courses.response.Add(extraClasses);
                }


                if (courses.status == 200)
                {
                    for (int i = 0; i < courses.response.Count; i++)
                    {
                        yield return StartCoroutine(aulasLiberadas(ReadingFile.idmatricula, 
                        courses.response[i].IDCurso.ToString(), ReadingFile.banco, courses.response[i].NomeVersao));
                    }

                    MenuController menu = MenuController.instance;
                    menu.listedCourses = true;
                }
                else
                {
                    yield return new WaitForSecondsRealtime(1);

                    yield return StartCoroutine(listCourses(idAluno, banco));
                }
            }
        }

        yield break;
    }

    public IEnumerator LogarAluno()
    {
        while (!gotRoute)
        {
            yield return new WaitForEndOfFrame();
        }

        WWWForm form = new WWWForm();
        form.AddField("type", 4);
        form.AddField("password", ReadingFile.senha);
        form.AddField("login", ReadingFile.idmatricula);
        form.AddField("db", ReadingFile.banco);



        using (UnityWebRequest www = UnityWebRequest.Post(route + "/api/users/authUser", form))
        {
            www.certificateHandler = new BypassCertificate();
            www.downloadHandler = new DownloadHandlerBuffer();

            yield return www.SendWebRequest();


            if (www.isNetworkError || www.isHttpError)
            {
                Debug.Log(www.error);
            }
            else
            {
                //errorInOpen.text = www.downloadHandler.text;
                //errorInOpen.text = www.responseCode.ToString();
                string Json = www.downloadHandler.text;
                Json = Json.Replace("[[{", "[{");
                Json = Json.Replace("}]]", "}]");
                UserDetails userdet = JsonUtility.FromJson<UserDetails>(Json);

                if (userdet.status == 200)
                {
                    PlayerPrefs.SetString("token", userdet.token);
                }
                else
                {

                }
            }
        }
    }

    public void UpdateClasses()
    {

    }

    public void VerifyCaches()
    {
        if (!fullSync)
        {
            if (cc.HasFile("ClassLists.txt"))
            {
                classesStorage = cc.LoadCache("ClassLists.txt");
            }
            if (cc.HasFile("CoursesList.txt"))
            {
                coursesStorage = cc.LoadCache("CoursesList.txt");
            }
        }
        else
        {

        }

    }

    public void FinishedLoading()
    {
        cc.SaveCache(classesStorage, "ClassLists.txt");
        cc.SaveCache(coursesStorage, "CoursesList.txt");
        if (fullSync)
        {
            fullSync = false;
        }
    }
}