restructure app state, basic server connection using inputted user info and basic mainscreen

ui/mainscreen/cmds.go

@@ -0,0 +1,26 @@
+package mainscreen
+
+import (
+	"log"
+
+	tea "github.com/charmbracelet/bubbletea"
+)
+
+type ReceivedIRCCommandMsg struct {
+	Msg string
+}
+
+type InitialReadMsg struct{}
+
+func InitialRead() tea.Msg {
+	return InitialReadMsg{}
+}
+
+func (s State) readFromServer() tea.Msg {
+	msg, err := s.Reader.ReadString('\n')
+	if err != nil {
+		log.Print(err)
+	}
+
+	return ReceivedIRCCommandMsg{Msg: msg}
+}

ui/mainscreen/mainscreen.go

@@ -0,0 +1,34 @@
+package mainscreen
+
+import (
+	"bufio"
+	"fmt"
+	"strings"
+
+	tea "github.com/charmbracelet/bubbletea"
+	"github.com/illusionman1212/gorc/parser"
+)
+
+type State struct {
+	content string
+	Reader  *bufio.Reader
+}
+
+func (s State) Update(msg tea.Msg) (State, tea.Cmd) {
+	switch msg := msg.(type) {
+	case InitialReadMsg:
+		return s, s.readFromServer
+	case ReceivedIRCCommandMsg:
+		message := parser.ParseIRCMessage(msg.Msg)
+		fullMsg := fmt.Sprintf("%s %s %s", message.Source, message.Command, strings.Join(message.Parameters, " "))
+		s.content += fullMsg
+
+		return s, s.readFromServer
+	}
+
+	return s, nil
+}
+
+func (s State) View() string {
+	return s.content
+}