using MySql.Data.MySqlClient;
using System.Data;
using Telerik.SvgIcons;
using TSC2.Components.Layout;

namespace TSC2.Components.CSharp
{
    public class DatabaseManager
    {
        private static string _connectionString = "Server=127.0.0.1;User ID=root;Password=root;Database=tsc2";



        /**********************************************/
        // SHOP INFORMATION
        /**********************************************/
        public static List<Tuple<double[], string, string>> LoadAllShops()
        {
            List<Tuple<double[], string, string>> results = new List<Tuple<double[], string, string>>();
            MySqlConnection conn = new MySqlConnection(_connectionString);
            conn.Open();

            using (var cmd = new MySqlCommand("SELECT * FROM shopinformation", conn))
            {
                using (MySqlDataReader reader = cmd.ExecuteReader())
                {
                    while(reader.Read())
                    {
                        var uniqueID = reader.GetString(0);
                        var shopName = reader.GetString(1);
                        //var address = reader.GetString(2);
                        //var phone = reader.GetString(3);
                        //var website = reader.GetString(4);
                        //var hours = reader.GetString(5);
                        //var about = reader.GetString(6);
                        double latitude = reader.GetDouble(7);
                        double longitude = reader.GetDouble(8);

                        double[] coords = [latitude, longitude];
                        Tuple<double[], string, string> tuple = new Tuple<double[], string, string>(coords, shopName, uniqueID); 

                        results.Add(tuple);
                    }
                }
            }

            return results;
        }



        /**********************************************/
        // LOGIN FLOW
        /**********************************************/
        public async static Task SignInGoogle()
        {
            MySqlConnection conn = new MySqlConnection(_connectionString);
            conn.Open();

            using (var cmd = new MySqlCommand("SELECT * FROM userinformation WHERE Platform='Google' AND Token='" + MainLayout.Session["id"] + "'", conn))
            using (var count_cmd = new MySqlCommand("SELECT COUNT(*) FROM (SELECT * FROM userinformation WHERE Platform='Google' AND Token='" + MainLayout.Session["id"] + "') AS result", conn))
            {
                int count = Convert.ToInt32(count_cmd.ExecuteScalar());

                if (count == 0) // User is not already in our database
                {
                    try
                    {
                        // Generate guid
                        Guid guid = Guid.NewGuid();

                        var insert_cmd = new MySqlCommand();

                        insert_cmd.CommandText = "INSERT INTO userinformation(UniqueID,FullName,Platform,Token) VALUES(@uniqueid,@fullname,@platform,@token)";
                        insert_cmd.Connection = conn;

                        insert_cmd.Parameters.AddWithValue("@uniqueid", guid.ToString()); 
                        insert_cmd.Parameters.AddWithValue("@fullname", MainLayout.Session["name"]);
                        insert_cmd.Parameters.AddWithValue("@platform", "Google");
                        insert_cmd.Parameters.AddWithValue("@token", MainLayout.Session["id"]);

                        insert_cmd.ExecuteNonQuery();
                        MainLayout.Session.Add("unique_id", guid.ToString());
                    }
                    catch(Exception ex)
                    {
                        await Console.Out.WriteLineAsync(ex.Message);
                    }
                }
            }
            conn.Close();
        }

        public async static Task SignInFacebook()
        {
            MySqlConnection conn = new MySqlConnection(_connectionString);
            conn.Open();

            using (var cmd = new MySqlCommand("SELECT * FROM userinformation WHERE Platform='Facebook' AND Token='" + MainLayout.Session["id"] + "'", conn))
            using (var count_cmd = new MySqlCommand("SELECT COUNT(*) FROM (SELECT * FROM userinformation WHERE Platform='Facebook' AND Token='" + MainLayout.Session["id"] + "') AS result", conn))
            {
                int count = Convert.ToInt32(count_cmd.ExecuteScalar());

                if (count == 0) // User is not already in our database
                {
                    try
                    {
                        // Generate guid
                        Guid guid = Guid.NewGuid();

                        var insert_cmd = new MySqlCommand();

                        insert_cmd.CommandText = "INSERT INTO userinformation(UniqueID,FullName,Platform,Token) VALUES(@uniqueid,@fullname,@platform,@token)";
                        insert_cmd.Connection = conn;

                        insert_cmd.Parameters.AddWithValue("@uniqueid", guid.ToString());
                        insert_cmd.Parameters.AddWithValue("@fullname", MainLayout.Session["name"]);
                        insert_cmd.Parameters.AddWithValue("@platform", "Facebook");
                        insert_cmd.Parameters.AddWithValue("@token", MainLayout.Session["id"]);

                        insert_cmd.ExecuteNonQuery();
                        MainLayout.Session.Add("unique_id", guid.ToString());
                    }
                    catch (Exception ex)
                    {
                        await Console.Out.WriteLineAsync(ex.Message);
                    }
                }
            }
            conn.Close();
        }
    }
}