using Discord.Commands;
using Discord.Commands.Builders;
using Newtonsoft.Json.Linq;

namespace Discord_Bot
{
    public class ReminderModule : ModuleBase<SocketCommandContext>
    {
        private const long DAY_PERIOD = 24 * 60 * 60 * 1000; // 10 * 1000; // 
        private Timer reminderTimer;

        protected override void OnModuleBuilding(CommandService commandService, ModuleBuilder builder)
        {
            base.OnModuleBuilding(commandService, builder);
            Console.WriteLine($"{DateTime.Now.TimeOfDay:hh\\:mm\\:ss} | hello world ");
            ReloadTimers();
        }

        [Command("remindertime")]
        private async Task SetReminderTime([Remainder]string message = "")
        {
            SaveToConfig("reminderTime", Utility.ParseMessage(message));
            ReloadTimers();
            await ReplyAsync($"Заебись");
        }
        
        [Command("sequence")]
        private async Task SetSequence([Remainder]string message = "")
        {
            SaveToConfig("sequence", message);
            await ReplyAsync($"Заебись");
        }
        
        [Command("users")]
        private async Task Users([Remainder]string message = "")
        {
            SaveToConfig("users", message);
            await ReplyAsync($"Заебись");
        }
        
        private void ReloadTimers()
        {
            var time = Functions.GetConfigItem("reminderTime");
            if (time.Type == JTokenType.Boolean)
                return;
            
            var nextReminder = Utility.ParseTime(time.ToString());
            var now = DateTime.Now;
            
            var span = (nextReminder - now).TotalMilliseconds;
            if (span < 0)
            {
                // skip to next day
                nextReminder = nextReminder.AddDays(1);
                span = (nextReminder - now).TotalMilliseconds;
            }
            
            reminderTimer = new Timer(SendReminder, "sd", (long)span, DAY_PERIOD);
        }

        private async void SendReminder(object? state)
        {
            //check sequence
            
            var users = Functions.GetConfigItem("users").ToString();
            await ReplyAsync($"{users}\nБудет чо?");
        }

        private void SaveToConfig(string key, string data)
        {
            var config = Functions.GetConfig();
            config[key] = data;
            Functions.SaveConfig(config);
        }
    }
}