using System;
using System.Collections;
using System.Collections.Generic;
using System.Linq;
using System.Threading;
using UnityEngine;
using UnityEngine.SceneManagement;
using UnityEngine.UI;

public class WorkerController : MonoBehaviour
{
    public static Dictionary<uint, List<Structure>> Workers = new Dictionary<uint, List<Structure>>();
    List<Structure> structures = new List<Structure>();
    public static List<Structure> TestStructures = new List<Structure>();
    List<DateTime> dates = new List<DateTime>();
    List<uint> locations = new List<uint>();

    public GameObject WorkersList; // scroll content
    public Dropdown DropdownLocation;
    public Dropdown DropdownData;
    public InputField inputField_date;
    public InputField inputField_location;
    public GameObject StartHour;
    public GameObject StartMin;
    public GameObject StartSec;
    public GameObject EndHour;
    public GameObject EndMin;
    public GameObject EndSec;
    public GameObject StartStopButton;
    static GameObject sStartStopButton;
    public GameObject ErrorDialog;
    public GameObject ButtonPlay;
    //public GameObject Time;

    static Client client = new Client();

    public List<GameObject> maps;
    static List<bool> starting = new List<bool>(); // для остановок
    public static Dictionary<uint, bool> end_send = new Dictionary<uint, bool>(); // определение завершения загрузки
    bool real_time = false;
    int interval = 1;
    float nextTime = 0;

    //List<bool> StartStop = new List<bool>();

    // Start is called before the first frame update
    void Start()
    {
        WorkerMarker(4);
        WorkerMarker(356);

        sStartStopButton = StartStopButton;

        foreach (var s in structures.Select(s => s.acc_id).Distinct())
            WorkerMarker(s);

        foreach (var s in structures.Select(s => s.ts.Date).Distinct())
        {
            dates.Add(s);
            DropdownData.options.Add(new Dropdown.OptionData(s.ToString("dd.MM.yyyy")));
        }

        //foreach (var s in structures.Select(s => s.location_id).Distinct())
        //{
        //    locations.Add(s);
        DropdownLocation.options.Add(new Dropdown.OptionData("22 Офис Ижевск"));
        DropdownLocation.options.Add(new Dropdown.OptionData("25"));
        inputField_date.text = DateTime.Now.ToString("dd.MM.yyyy");
        //}
    }

    int active_location = 0;
    // Update is called once per frame
    void Update()
    {
        if (active_location != DropdownLocation.value)
        {
            maps.ElementAt(active_location).SetActive(false);
            maps.ElementAt(DropdownLocation.value).SetActive(true);
            active_location = DropdownLocation.value;
            switch (DropdownLocation.value)
            {
                case 0:
                    inputField_location.text = "22";
                    break;
                case 1:
                    inputField_location.text = "25";
                    break;
            }
        }

        foreach (var m in markers)
        {
            m.marker.SetActive(m.toggle.isOn);
            if (m.toggle.isOn && Workers.ContainsKey(m.acc_id) && starting.Last() && end_send[m.acc_id])
            {
                end_send[m.acc_id] = false;
                StartingAccPositiong(m);
            }
        }




        if (real_time && !inputField_location.text.Equals("") && Time.time >= nextTime)
        {
            var dateNow = DateTime.UtcNow.AddHours(3);
            //Time.GetComponent<Text>().text = dateNow.ToString();
            starting.Add(true);
            var location_id = uint.Parse(inputField_location.text);
            foreach (var m in markers)
            {
                if (m.toggle.isOn)
                {
                    client.CoordinatesRequest(dateNow.AddSeconds(-2).Ticks, dateNow.Ticks, 1, location_id, m.acc_id);
                    
                    start = true;
                    //end_send[m.acc_id] = false;
                }
            }
            nextTime += interval;
        }
    }

    public void Play()
    {
        real_time = !real_time;
        if(real_time) ButtonPlay.transform.GetChild(0).GetComponent<Text>().text = "Stop";
        else ButtonPlay.transform.GetChild(0).GetComponent<Text>().text = "Play";
        //Time.SetActive(true);
    }

    public static List<Marker> markers = new List<Marker>();
    public class Marker
    {
        public Toggle toggle { get; set; }
        public GameObject marker { get; set; }
        public uint acc_id { get; set; }
    }

    /// <summary>
    /// Создание маркера для сотрудника
    /// </summary>
    /// <param name="acc_id"></param>
    void WorkerMarker(uint acc_id)
    {
        var worker_toggle = Instantiate(Resources.Load("GameObjects/Toggle", typeof(Toggle))) as Toggle;
        worker_toggle.name = acc_id.ToString();
        worker_toggle.transform.GetChild(1).gameObject.GetComponent<Text>().text = acc_id.ToString();
        worker_toggle.transform.SetParent(WorkersList.transform);

        var worker_marker = Instantiate(Resources.Load("GameObjects/Capsule", typeof(GameObject))) as GameObject;
        worker_marker.name = "marker_" + acc_id.ToString();
        worker_marker.transform.GetChild(0).transform.GetChild(0).transform.GetChild(0).GetComponent<Text>().text = $"{acc_id}";

        worker_marker.GetComponent<Renderer>().material.color = UnityEngine.Random.ColorHSV(0f, 1f, 1f, 1f, 0.5f, 1f);

        markers.Add(new Marker { acc_id = acc_id, marker = worker_marker, toggle = worker_toggle });
    }

    /// <summary>
    /// Смена положения маркера
    /// </summary>
    /// <param name="pause">Задержка</param>
    /// <param name="step">Шаг до нового положения</param>
    /// <param name="start_pos">Начальное положение</param>
    /// <param name="end_pos">Финальное положение</param>
    /// <param name="worker_marker">Маркер сотрудника</param>
    /// <param name="w">Данные из БД</param>
    /// <param name="count">Номер процесса/запуска</param>
    /// <param name="progress">Номер записи из БД</param>
    /// <param name="all">Всего записей из БД</param>
    /// <returns></returns>
    static IEnumerator MarkerPostion(float pause,float step, Vector3 start_pos, Vector3 end_pos, GameObject worker_marker, Toggle toggle, Structure w, int count, int progress, int all)
    {
        yield return new WaitForSeconds(pause);
        if (worker_marker.activeSelf == true && start && starting[count])
        {
            var x_position = Mathf.Lerp(start_pos.x, end_pos.x, step);
            var y_position = Mathf.Lerp(start_pos.z, end_pos.z, step);
            //Debug.Log($"marker name={worker_marker.name} time={pause} step={step} sec x={x_position} y={y_position} x0={start_pos.x} y0={start_pos.z} x1={end_pos.x} y1={end_pos.z}");
            worker_marker.transform.position = new Vector3(x_position, 0.5f, y_position);
            worker_marker.transform.GetChild(0).transform.GetChild(0).transform.GetChild(0).GetComponent<Text>().text = $"{w.acc_id} x={end_pos.x} y={end_pos.z}";
            toggle.transform.GetChild(1).gameObject.GetComponent<Text>().text = $"{w.acc_id} {w.ts.ToString("hh:mm:ss")} {progress + 1} из {all}";
            if(progress + 1 == all)
            {
                sStartStopButton.transform.GetChild(0).GetComponent<Text>().text = "Отобразить";
                starting[count] = false;
                start = false;
            }
        }
    }

    void Position(float step, Vector3 start_pos, Vector3 end_pos, GameObject worker_marker, Toggle toggle, Structure w, int count)
    {
        if (worker_marker.activeSelf == true && start && starting[count])
        {
            var x_position = Mathf.Lerp(start_pos.x, end_pos.x, Time.time - interval);
            var y_position = Mathf.Lerp(start_pos.z, end_pos.z, Time.time - interval);
            //Debug.Log($"marker name={worker_marker.name} time={pause} step={step} sec x={x_position} y={y_position} x0={start_pos.x} y0={start_pos.z} x1={end_pos.x} y1={end_pos.z}");
            worker_marker.transform.position = new Vector3(x_position, 0.5f, y_position);
            worker_marker.transform.GetChild(0).transform.GetChild(0).transform.GetChild(0).GetComponent<Text>().text = $"{w.acc_id} x={end_pos.x} y={end_pos.z}";
            toggle.transform.GetChild(1).gameObject.GetComponent<Text>().text = $"{w.acc_id} {w.ts.ToString("hh:mm:ss")}";
        }
    }

    //static IEnumerator RequestPostion(long ts, long te, uint loc, uint account_id)
    //{
    //    client.CoordinatesRequest(ts, te, 1, loc);
    //    yield return new WaitForSeconds(5);
    //    foreach (var t in TestStructures)
    //        Debug.Log(t);
    //}

    static bool start = false;
    /// <summary>
    /// Запуск отрисовки
    /// </summary>
    public void ButtonStart()
    {
        if (int.Parse(StartHour.GetComponent<InputField>().text) == 99) SceneManager.LoadScene("Editor");
        else start = !start;
        if (start)
        {            
            starting.Add(true);
            var date = DateTime.Now; var error_date = false;
            try
            {
                date = DateTime.Parse(inputField_date.text);
            }
            catch (Exception e)
            {
                ErrorDialog.SetActive(true);
                error_date = true;
                var text = ErrorDialog.transform.GetChild(0).GetComponent<Text>().text = "Некорректный формат даты";
                start = false;
            }

            var time_start = date; //new DateTime(dates.ElementAt(DropdownData.value).Ticks);
            time_start = time_start.AddHours(int.Parse(StartHour.GetComponent<InputField>().text));
            time_start = time_start.AddMinutes(int.Parse(StartMin.GetComponent<InputField>().text));
            time_start = time_start.AddSeconds(int.Parse(StartSec.GetComponent<InputField>().text));
            Debug.Log(time_start);
            //var time_start = new DateTime(1, 1, 1, int.Parse(StartHour.GetComponent<InputField>().text), int.Parse(StartMin.GetComponent<InputField>().text), int.Parse(StartSec.GetComponent<InputField>().text));

            //var time_end = new DateTime(1, 1, 1, int.Parse(EndHour.GetComponent<InputField>().text), int.Parse(EndMin.GetComponent<InputField>().text), int.Parse(EndSec.GetComponent<InputField>().text));
            var time_end = date; //new DateTime(dates.ElementAt(DropdownData.value).Ticks);
            time_end = time_end.AddHours(int.Parse(EndHour.GetComponent<InputField>().text));
            time_end = time_end.AddMinutes(int.Parse(EndMin.GetComponent<InputField>().text));
            time_end = time_end.AddSeconds(int.Parse(EndSec.GetComponent<InputField>().text));
            // client.account_id = 356;     

            //StartCoroutine(RequestPostion(time_start.Ticks, time_end.Ticks, 22, 356));
            if (!error_date)
            {
                try
                {
                    var location_id = uint.Parse(inputField_location.text);
                    foreach (var m in markers)
                    {
                        if (m.toggle.isOn)
                        {
                            client.CoordinatesRequest(time_start.Ticks, time_end.Ticks, 1, location_id, m.acc_id);
                            //end_send[m.acc_id] = false;
                        }
                    }
                    StartStopButton.transform.GetChild(0).GetComponent<Text>().text = "Остановить";
                }
                catch (Exception e)
                {
                    ErrorDialog.SetActive(true);
                    ErrorDialog.transform.GetChild(0).GetComponent<Text>().text = "Введите идентификатор локации";
                    start = false;
                }
            }

            // var workers = structures.Where(w => w.ts >= time_start && w.ts <= time_end && w.location_id == int.Parse(DropdownLocation.options[DropdownLocation.value].text.ToString())).ToList();

            //foreach (var m in markers)            
            //    if (m.toggle.isOn)                
            //        StartingAccPositiong(m);                           
        }
        else
        {
            StartStopButton.transform.GetChild(0).GetComponent<Text>().text = "Отобразить";
            starting[starting.Count - 1] = false;
        }
    }

    public void ErrorDialogClose()
    {
        ErrorDialog.SetActive(false);
    }

    void StartingAccPositiong(Marker m)
    {
        var worker = Workers[m.acc_id].OrderBy(wr => wr.ts).ToList();
        if (worker.Any())
        {        
            var offset = 0.1f;
            for (int i = 0; i < worker.Count; i++)
            {
                var w = worker.ElementAt(i);
                var start_pos = m.marker.transform.position;
                if (i != 0) start_pos = new Vector3(worker.ElementAt(i-1).coord_x /100f, 0.5f, worker.ElementAt(i-1).coord_y/100f);
              
                var end_pos = new Vector3(w.coord_x / 100f, 0.5f, w.coord_y / 100f);
                for (float j = 0; j <= 1.1f; j += 0.1f) // 1.1f из-за округления float
                {                    
                    if(real_time) Position(j, start_pos, end_pos, m.marker, m.toggle, w, starting.Count - 1);
                    else 
                        StartCoroutine(MarkerPostion(i + offset + j, j, start_pos, end_pos, m.marker, m.toggle, w, starting.Count - 1, i, worker.Count));
                }
                offset += 0.1f;
            }
        }
    }
}