package handlers

import (
	"github.com/celestix/gotgproto/dispatcher"
	"github.com/celestix/gotgproto/ext"
	"github.com/duke-git/lancet/v2/slice"
	"github.com/krau/SaveAny-Bot/client/bot/handlers/utils/dirutil"
	"github.com/krau/SaveAny-Bot/config"
	"github.com/krau/SaveAny-Bot/database"
	"github.com/krau/SaveAny-Bot/storage"
)

func checkPermission(ctx *ext.Context, update *ext.Update) error {
	userID := update.GetUserChat().GetID()
	if !slice.Contain(config.C().GetUsersID(), userID) {
		const noPermissionText string = `
您不在白名单中, 无法使用此 Bot.
您可以部署自己的实例: https://github.com/krau/SaveAny-Bot
`
		ctx.Reply(update, ext.ReplyTextString(noPermissionText), nil)
		return dispatcher.EndGroups
	}

	return dispatcher.ContinueGroups
}

func handleSilentMode(next func(*ext.Context, *ext.Update) error, handler func(*ext.Context, *ext.Update) error) func(*ext.Context, *ext.Update) error {
	return func(ctx *ext.Context, update *ext.Update) error {
		userID := update.GetUserChat().GetID()
		user, err := database.GetUserByChatID(ctx, userID)
		if err != nil {
			ctx.Reply(update, ext.ReplyTextString("获取用户信息失败: "+err.Error()), nil)
			return dispatcher.EndGroups
		}
		if !user.Silent {
			return next(ctx, update)
		}
		if user.DefaultStorage == "" {
			ctx.Reply(update, ext.ReplyTextString("您已开启静默模式, 但未设置默认存储端, 请先使用 /storage 设置"), nil)
			return next(ctx, update)
		}
		stor, err := storage.GetStorageByUserIDAndName(ctx, userID, user.DefaultStorage)
		if err != nil {
			ctx.Reply(update, ext.ReplyTextString("获取默认存储失败: "+err.Error()), nil)
			return dispatcher.EndGroups
		}
		if user.DefaultDir != 0 {
			dir, err := database.GetDirByID(ctx, user.DefaultDir)
			if err != nil {
				ctx.Reply(update, ext.ReplyTextString("获取默认文件夹失败: "+err.Error()), nil)
				return next(ctx, update)
			}
			ctx.Context = dirutil.WithContext(ctx.Context, dir)
		}
		ctx.Context = storage.WithContext(ctx.Context, stor)
		return handler(ctx, update)
	}
}