using Debugger;
using Lagrange.Core.Common.Interface.Api;
using Lagrange.Core.Event;
using Lagrange.Core.Message;
using Shrink.Config;

namespace Shrink.Service;

public class BotPassiveMsgHandler
{
    private static readonly Lazy<BotPassiveMsgHandler> _instance = new(() => new BotPassiveMsgHandler());
    public static BotPassiveMsgHandler Instance => _instance.Value;
    public EventInvoker Invoker { get; } = BotService.Instance.Client!.Invoker;

    public Task Init()
    {
        Invoker.OnGroupMessageReceived += async (context, @event) =>
        {
            if (!@event.Chain.ToPreviewText().StartsWith("/switchlevel")) return;
            var temp = @event.Chain.ToPreviewText()[("/switchlevel".Length + 1)..];
            Configuration.Instance.Config = temp switch
            {
                "debug" => new Config.Config(LogLevel.Debug),
                "info" => new Config.Config(LogLevel.Info),
                "verbose" => new Config.Config(LogLevel.Verbose),
                "warn" => new Config.Config(LogLevel.Warn),
                "error" => new Config.Config(LogLevel.Error),
                "fatal" => new Config.Config(LogLevel.Fatal),
                _ => Configuration.Instance.Config
            };
            await Configuration.Instance.Save();
            var chain = MessageBuilder.Group((uint)@event.Chain.GroupUin!)
                .Text($"已将日志输出级别调整为{Configuration.Instance.Config.LogLevel}");
            await context.SendMessage(chain.Build());
        };
        return Task.CompletedTask;
    }
}