using System;
using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.UI;
using Random = UnityEngine.Random;

public class GameLoader : MonoBehaviour {
    public GameObject table;
    public GameObject playerCube;
    public int myIndex;
    public int playerCount;
    public Color[] playerColors;
    public GameObject cardPrefab;
    public GameObject handUI;
    public GameObject deck;
    public GameObject thrownCards;
    public static MainMenuController mmc;
    public static GameLoader myself;

    void Awake() {
        myself = this;
    }
    void Start() {
        mmc = FindObjectOfType<MainMenuController>();
        mmc.gameObject.SetActive(false);

        var angleDelta = (270) / playerCount;
        var dst = 15;
        var angleOffset = 45;
        for (int i=0;i<playerCount;i++) {
            if (i == myIndex)
                continue;
            var offsetMult = (i - myIndex) > 0 ? 1 : -1;
            var angle = (angleDelta * (i - myIndex) + angleOffset * offsetMult);
            Vector3 pos = new Vector3(dst  * Mathf.Sin(angle * Mathf.Deg2Rad), 2.6f, -dst * Mathf.Cos(angle * Mathf.Deg2Rad));
            var player = Instantiate(playerCube, pos, Quaternion.AngleAxis(-angle, Vector3.up));
            player.GetComponent<Renderer>().material.color = playerColors[i];
        }
        ReloadPiles();
    }

    void SpawnCard(Client.ConnectionImpl conn, string cardKind, GameObject parent, System.Action<GameObject> callback) {
        string uuid = Guid.NewGuid().ToString();
        conn.eventManager.AddHandler("game_card_image_"+uuid, (Game.Image image) => {
            var card = Instantiate(cardPrefab, Vector3.zero, Quaternion.identity, parent.transform);
            var front = new Texture2D(1, 1);
            front.LoadImage(image.Face.Span.ToArray());
            var back = new Texture2D(1, 1);
            back.LoadImage(image.Back.Span.ToArray());
            card.transform.Find("Images").GetComponentsInChildren<RawImage>()[0].texture = front;
            card.transform.Find("Images").GetComponentsInChildren<RawImage>()[1].texture = back;
            card.transform.localScale = new Vector3(0.15f, 0.15f, 1f);
            callback.Invoke(card);
            conn.eventManager.RemoveHandler(Protocol.ServerClientPacket.DataOneofCase.ReturnCardImage, "game_card_image_"+uuid);
        });
        conn.GetCardImage(cardKind);
    }

    void SpawnClientCards() {
        var conn = Client.GetConnection();
        if (conn != null) {
            var clientPiles = conn.GetPlayerPiles(mmc.currentUsername);
            if (clientPiles == null) return;
            foreach (string key in clientPiles.Keys) {
                var pile = clientPiles[key];
                int idx = 0;
                foreach (Game.GameStatus.Types.Card card in pile.Cards) {
                    SpawnCard(conn, card.Kind.Kind, handUI, (GameObject card) => {
                        card.GetComponent<Card>().InitData(key, false, idx);
                    });
                    idx++;
                }
            }
        }
    }
    void SpawnCommonCards() {
        var conn = Client.GetConnection();
        if (conn != null) {
            var clientPiles = conn.GetCommonPiles();
            if (clientPiles == null) return;
            foreach (string key in clientPiles.Keys) {
                var pile = clientPiles[key];
                int idx = 0;
                foreach (Game.GameStatus.Types.Card card in pile.Cards) {
                    SpawnCard(conn, card.Kind.Kind, key == "placed" ? thrownCards : deck, (GameObject card) => {
                        card.GetComponent<Card>().ThrowCard(key == "placed" ? thrownCards : deck);
                        card.GetComponent<Card>().InitData(key, true, idx);
                    });
                    idx++;
                }
            }
        }
    }
    public static void ReloadPiles() {
        if (myself == null) return;
        var cards = GameObject.FindGameObjectsWithTag("Card");
        foreach (GameObject card in cards) {
            Destroy(card);
        }
        myself.SpawnCommonCards();
        myself.SpawnClientCards();
    }
}