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

public class CreditUIController : MonoBehaviour
{

    [SerializeField]
    private PlayerList m_allPlayers;

    [SerializeField]
    private GameObject m_playerPrefab;

    [SerializeField]
    private RectTransform winnerPos;
    [SerializeField]
    private RectTransform losePos;

    [SerializeField]
    private float waitTime = 1;

    [SerializeField]
    private float creditDisplayTime = 1;

    [SerializeField]
    public List<CreditReferences> m_CreditReferences;

    [SerializeField]
    public List<CreditData> m_Credits;

    private int Count;


    private void Start()
    {
        StartCoroutine(DisplaySlow(waitTime));
        StartCoroutine(DisplayCredits(creditDisplayTime));
    }

    [ContextMenu("display All players")]
    private void DisplayAllPlayers()
    {
        int max = m_allPlayers.AllPlayers.Select(p => p.Score).Max();
        int min = m_allPlayers.AllPlayers.Select(p => p.Score).Min();

        foreach (var data in m_allPlayers.AllPlayers)
        {
            DisplayScore(data, max, min);
        }
    }


    private IEnumerator DisplaySlow(float timebetween = 1)
    {
        int max = m_allPlayers.AllPlayers.Select(p => p.Score).Max();
        int min = m_allPlayers.AllPlayers.Select(p => p.Score).Min();

        foreach (var data in m_allPlayers.AllPlayers.OrderBy(p => p.Score))
        {
            yield return new WaitForSeconds(timebetween);
            DisplayScore(data, max, min);
        }
    }

    private IEnumerator DisplayCredits(float displayTime)
    {

        float totalTime = displayTime / m_CreditReferences.Count;


        while (true)
        {
            CreditReferences reference = m_CreditReferences[Count%m_CreditReferences.Count];
            CreditData data = m_Credits[Count % m_Credits.Count];
            Count++;

            reference.Title.text = data.Title;
            reference.Credit.text = data.Credit;

            yield return new WaitForSeconds(totalTime);
        }
    }


    private void DisplayScore(PlayerData player, int maxScore, int minScore)
    {

        player.Input.SwitchCurrentActionMap("JoinMenu");

        float ratio = 0.5f;
        if (maxScore != minScore)
            ratio = (float)(player.Score - minScore) / (maxScore - minScore);

        Vector3 pos = Vector3.Lerp(losePos.position, winnerPos.position, ratio);
        pos.x = Random.Range((Screen.width / 4f), Screen.width);

        GameObject newPlayer = Instantiate(m_playerPrefab);
        newPlayer.transform.parent = (m_playerPrefab.transform.parent);

        newPlayer.transform.position = pos;
        newPlayer.transform.Rotate(Vector3.forward, Random.Range(-20.0f, 20.0f));

        if (Random.Range(0, 2) > 0)
        {
            newPlayer.transform.localScale.Scale(new Vector3(-1, 1, 1));
            newPlayer.GetComponentInChildren<TMPro.TextMeshProUGUI>().transform.localScale.Scale(new Vector3(-1, 1, 1));
        }



        newPlayer.GetComponent<PlayerJoinIcon>().Initialise(player);
        newPlayer.GetComponentInChildren<TMPro.TextMeshProUGUI>().text = player.Score.ToString();

        newPlayer.SetActive(true);
    }

    [System.Serializable]
    public struct CreditReferences
    {
        public TMPro.TextMeshProUGUI Title;
        public TMPro.TextMeshProUGUI Credit;
    }


    [System.Serializable]
    public struct CreditData
    {
        public string Title;
        public string Credit;
    }

}