Implement client and server

main.go

@@ -1,9 +1,107 @@
 package main
 
 import (
-	"fmt"
+	"context"
+	"flag"
+	"log"
+	"os"
+	"path/filepath"
+
+	"git.hrafn.xyz/aether/notes/client"
+	"git.hrafn.xyz/aether/notes/internal/repository"
+	"git.hrafn.xyz/aether/notes/internal/store/sqlite"
+	"git.hrafn.xyz/aether/notes/server"
 )
 
 func main() {
-	fmt.Println("Hello, World!")
+	serverMode := flag.Bool("server", false, "Start the application in server mode")
+	list := flag.Bool("list", false, "List all notes in the database")
+	create := flag.Bool("create", false, "Create a new note")
+	update := flag.Bool("update", false, "Update an existing note")
+	delete := flag.Bool("delete", false, "Delete a note from the database")
+	get := flag.Bool("get", false, "Get a note by ID")
+
+	databasefile := flag.String("db", filepath.Join(os.Getenv("HOME"), "notes.db"), "Path to the SQLite database file (only used in server mode)")
+	id := flag.Int("id", 0, "ID of the note to get, update, or delete (only used with -get, -update, or -delete)")
+	content := flag.String("content", "", "Content of the note to create or update (only used with -create or -update)")
+
+	flag.Parse()
+	modes := map[string]bool{
+		"server": *serverMode,
+		"list":   *list,
+		"create": *create,
+		"update": *update,
+		"delete": *delete,
+	}
+
+	enabledCount := 0
+	for _, enabled := range modes {
+		if enabled {
+			enabledCount++
+		}
+	}
+	if enabledCount == 0 {
+		log.Fatal("No mode specified. Use -server, -list, -create, -update, -delete, or -get.")
+		os.Exit(1)
+	}
+	if enabledCount > 1 {
+		log.Fatal("Multiple modes specified. Please specify only one mode at a time.")
+		os.Exit(1)
+	}
+
+	if *serverMode {
+		dbPath := *databasefile
+		sqliteStore, err := sqlite.NewSQLiteStore(context.Background(), dbPath)
+		if err != nil {
+			panic(err)
+		}
+		defer sqliteStore.Close()
+		repo := repository.NewNoteRepository(sqliteStore)
+		s := server.GetServer(repo, log.Default())
+		err = s.Start(":8080")
+		if err != nil {
+			panic(err)
+		}
+	}
+
+	if *list {
+		client.ListNotes()
+	}
+
+	if *create {
+		if *content == "" {
+			log.Fatal("Content must be provided with -create")
+			os.Exit(1)
+		}
+		client.CreateNote(*content)
+	}
+
+	if *get {
+		if *id == 0 {
+			log.Fatal("ID must be provided with -get")
+			os.Exit(1)
+		}
+		client.GetNoteByID(*id)
+	}
+
+	if *update {
+		if *id == 0 {
+			log.Fatal("ID must be provided with -update")
+			os.Exit(1)
+		}
+		if *content == "" {
+			log.Fatal("Content must be provided with -update")
+			os.Exit(1)
+		}
+		client.UpdateNoteByID(*id, *content)
+	}
+
+	if *delete {
+		if *id == 0 {
+			log.Fatal("ID must be provided with -delete")
+			os.Exit(1)
+		}
+		client.DeleteNoteByID(*id)
+		os.Exit(1)
+	}
 }