using System;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.UI;
using UnityEngine.EventSystems;


public class TypingController : ActController
{
    public List<String> submissions;

    [Header("Prefabs")]
    public GameObject actNamePrefab;
    public GameObject actDescriptionPrefab;
    public GameObject timerPrefab;
    public GameObject submissionFieldPrefab;
    public GameObject submitPrefab;
    public GameObject submittedCountPrefab;

    [Header("Objects")]
    protected Text actName;
    protected Text actDescription;
    protected Timer actTimer;
    protected InputField submissionField;
    protected Submit submit;
    protected Text submittedCount;

    [Serializable]
    public class TypingSettings : ActSettings {
        public float timeLimit = 99f;
        public string actName = "Untitled";
        public string actDescription = "This Act is missing a description.";

        public TypingSettings(float timeLimit, string actName, string actDescription) {
            this.type = "Typing";
            this.timeLimit = timeLimit;
            this.actName = actName;
            this.actDescription = actDescription;
        }    
    }

    [Serializable]
    public class TypingResults : ActResults {
        public List<string> submissions;

        public TypingResults(List<string> submissions) {
            this.submissions = submissions;
        }
    }

    protected override void Start() {
        base.Start();
        submissions = new List<string>();
    }

    public override void ActInit() {
        base.ActInit();

        //Load settings
        TypingSettings typingSettings = settings as TypingSettings;

        //Init actName Text
        actName = Instantiate(actNamePrefab, canvas.transform).GetComponent<Text>();
        actName.text = typingSettings.actName;

        //Init actDescription Text
        actDescription = Instantiate(actDescriptionPrefab, canvas.transform).GetComponent<Text>();
        actDescription.text = typingSettings.actDescription;

        //Init actTimer
        actTimer = Instantiate(timerPrefab, canvas.transform).GetComponent<Timer>();
        actTimer.TimerSet(typingSettings.timeLimit);

        //Init submissionInputField
        submissionField = Instantiate(submissionFieldPrefab, canvas.transform).GetComponent<InputField>();
        
        //Init submit Button
        submit = Instantiate(submitPrefab, canvas.transform).GetComponent<Submit>();
        submit.typingController = this;
        submit.inputField = submissionField;

        //Init submissionCount Text
        submittedCount = Instantiate(submittedCountPrefab, canvas.transform).GetComponent<Text>();
        submittedCount.text = "";
    }

    public override void ActStart() {
        base.ActStart();

        //Enable submissionField and submit Button
        submissionField.interactable = true;
        submit.GetComponent<Button>().interactable = true;

        //Focus on submissionField
        eventSystem.SetSelectedGameObject(submissionField.gameObject);
        
        //Start timer
        actTimer.OnTimeOut += new Action(ActEnd);
        actTimer.TimerStart();
    }

    public override void ActEnd() {
        base.ActEnd();

        //Disable submissionField and submit Button
        submissionField.interactable = false;
        submit.GetComponent<Button>().interactable = false;

        //Create results
        results = new TypingResults(submissions);
    }

    public override void ActCleanup() {
        base.ActCleanup();

        Destroy(actName.gameObject);
        Destroy(actDescription.gameObject);
        Destroy(actTimer.gameObject);
        Destroy(submissionField.gameObject);
        Destroy(submit.gameObject);
        Destroy(submittedCount.gameObject);
    }

    public void Submit(string submission) {
        if(submission != "") {
            submissions.Add(submission);
            submittedCount.text = String.Format("Submitted: {0}", submissions.Count);
        }
    }
}