dev/command-saving (#1)

Reviewed-on: #1
Co-authored-by: jake <jake.young.dev@gmail.com>
Co-committed-by: jake <jake.young.dev@gmail.com>

client/mcr.go

@@ -0,0 +1,59 @@
+package client
+
+import (
+	"fmt"
+
+	"code.jakeyoungdev.com/jake/mctl/cryptography"
+	"github.com/jake-young-dev/mcr"
+	"github.com/spf13/viper"
+)
+
+/*
+	This is a simple wrapper for the MCR client to provide easy use of mcr without having to manually
+	decrypt the password/hit viper each time.
+*/
+
+type Client struct {
+	cli *mcr.Client
+}
+
+type IClient interface {
+	Close()
+	Command(cmd string) (string, error)
+}
+
+// creates a new mcr client using saved credentials and decrypted password
+func New() (*Client, error) {
+	//grab saved credentials
+	server := viper.Get("server").(string)
+	password := viper.Get("password").(string)
+	port := viper.Get("port").(int)
+	fmt.Printf("Logging into %s on port %d\n", server, port)
+
+	//decrypt password
+	pt, err := cryptography.DecryptPassword([]byte(password))
+	if err != nil {
+		return nil, err
+	}
+
+	//connect to game server
+	cli := mcr.NewClient(server, mcr.WithPort(port))
+	err = cli.Connect(string(pt))
+	if err != nil {
+		return nil, err
+	}
+
+	return &Client{
+		cli: cli,
+	}, nil
+}
+
+// closes client connection
+func (c *Client) Close() error {
+	return c.cli.Close()
+}
+
+// sends command to server, only exists to prevent exposing cli field
+func (c *Client) Command(cmd string) (string, error) {
+	return c.cli.Command(cmd)
+}