using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using UnityEngine;
using UnityEngine.UI;
using Newtonsoft.Json;
using Newtonsoft.Json.Linq;

namespace Assets.Scripts
{
    public class FileHandler
    {
        static StreamWriter sw;
        static string settingsPath = "./settings.txt";
        public static void saveGame(string data, string path)
        {
            sw = new StreamWriter(path);
            sw.Write(data);
            sw.Flush();
            sw.Close();
        }

        public static void loadGame(Player player, WorldGenerator worldGenerator, Inventory inventory, QuestLog questLog)
        {
            if (hasSaveFile())
            {
                string[] lines = File.ReadAllLines("./save.json");
                string jsonString = "";
                foreach (string line in lines)
                {
                    jsonString = jsonString + line.Replace("\r\n", "");
                }
                JObject json = JsonConvert.DeserializeObject<JObject>(jsonString);
                player.loadPlayer(json["player"]);
                worldGenerator.loadWorld(json["world"]);
                inventory.loadInventory(json["inventory"]);
                questLog.loadQuests(json["questlog"]);
            }
        }

        public static void saveOptions(string saveText){
            sw = new StreamWriter(settingsPath);
            sw.Write(saveText);
            sw.Flush();
            sw.Close();
        }

        public static void loadOptions(bool isIngame){
            if (!File.Exists(settingsPath))
            {
                sw = File.CreateText(settingsPath);
                sw.WriteLine("Music:0.5");
                sw.WriteLine("Effects:0.5");
                sw.WriteLine("Resolution:0");
                sw.WriteLine("Mode:0");
                sw.WriteLine("Sensitivity:1");
                sw.Flush();
                sw.Close();
            }
            string[] lines = File.ReadAllLines(settingsPath);
            foreach(string line in lines){
                switch(line.Split(":")[0]){
                    case "Music":
                        GameObject.Find("Main Camera").GetComponent<AudioSource>().volume = float.Parse(line.Split(':')[1]);
                    break;
                    case "Effects":
                        GameObject.Find("Player").GetComponent<AudioSource>().volume = float.Parse(line.Split(':')[1]);
                    break;
                    case "Resolution":
                        switch(line.Split(":")[1].ToLower()){
                            case "0":
                                Screen.SetResolution(800, 600, Screen.fullScreenMode);
                            break;
                            case "1":
                                Screen.SetResolution(1280, 800, Screen.fullScreenMode);
                            break;
                            case "2":
                                Screen.SetResolution(1920, 1080, Screen.fullScreenMode);
                            break;
                        }
                    break;
                    case "Mode":
                        switch(line.Split(":")[1].ToLower()){
                            case "0":
                                Screen.fullScreenMode = FullScreenMode.Windowed;
                            break;
                            case "1":
                                Screen.fullScreenMode = FullScreenMode.ExclusiveFullScreen;
                            break;
                            case "2":
                                Screen.fullScreenMode = FullScreenMode.FullScreenWindow;
                            break;
                        }
                    break;
                    case "SensitivityMouse":
                        if(isIngame){
                            GameObject.Find("Main Camera").GetComponent<PlayerCamera>().mouseSpeed = float.Parse(line.Split(':')[1]);
                        }
                    break;
                    case "SensitivityController":
                        if(isIngame){
                            GameObject.Find("Main Camera").GetComponent<PlayerCamera>().controllerSpeed = float.Parse(line.Split(':')[1]);
                        }
                    break;
                }
            }
        }

        public static void loadOptionDisplay(){
            string[] lines = File.ReadAllLines(settingsPath);
            foreach(string line in lines){
                switch(line.Split(":")[0]){
                    case "Music":
                        GameObject.Find("slideMusic").GetComponent<Slider>().value = float.Parse(line.Split(':')[1]);
                    break;
                    case "Effects":
                        GameObject.Find("slideEffects").GetComponent<Slider>().value = float.Parse(line.Split(':')[1]);
                    break;
                    case "Resolution":
                        GameObject.Find("dropResolution").GetComponent<Dropdown>().value = int.Parse(line.Split(':')[1]);
                    break;
                    case "Mode":
                        GameObject.Find("dropMode").GetComponent<Dropdown>().value = int.Parse(line.Split(':')[1]);
                    break;
                    case "SensitivityMouse":
                        GameObject.Find("slideSensitivityMouse").GetComponent<Slider>().value = float.Parse(line.Split(':')[1]);
                    break;
                    case "SensitivityController":
                        GameObject.Find("slideSensitivityController").GetComponent<Slider>().value = float.Parse(line.Split(':')[1]);
                    break;
                }
            }
        }

        public static string generateJSON(string key, object value)
        {
            return "\"" + key + "\": " + value;
        }

        public static bool hasSaveFile()
        {
            return File.Exists("./save.json");
        }

        public static void saveTile(string content, string path)
        {
            sw = new StreamWriter(path);
            sw.Write(content);
            sw.Flush();
            sw.Close();
        }

        public static void saveNoise(string content, string path)
        {
            sw = new StreamWriter(path, true);
            sw.Write(content);
            sw.Flush();
            sw.Close();
        }

        public static void generateDirectory()
        {
            if (Directory.Exists("./save/"))
            {
                foreach (string file in Directory.GetFiles("./save/"))
                {
                    File.Delete(file);
                }
            }
            else
            {
                Directory.CreateDirectory("./save/");
            }
        }

        public static string loadTile(string path)
        {
            string result = "";
            string[] lines = File.ReadAllLines(path);
            foreach (string line in lines)
            {
                result = result + line.Replace("\r\n", "");
            }
            return result;
        }
    }
}