From 3f87e9a4d522d9b2d003b9eb2bb610dc164dae08 Mon Sep 17 00:00:00 2001
From: nsfisis <nsfisis@gmail.com>
Date: Thu, 5 Feb 2026 00:03:11 +0900
Subject: add files

---
 main.go | 115 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 115 insertions(+)
 create mode 100644 main.go

(limited to 'main.go')

diff --git a/main.go b/main.go
new file mode 100644
index 0000000..76d9e52
--- /dev/null
+++ b/main.go
@@ -0,0 +1,115 @@
+package main
+
+import (
+	"flag"
+	"fmt"
+	"os"
+)
+
+func main() {
+	if len(os.Args) < 2 {
+		fmt.Fprintln(os.Stderr, "usage: nilink <serve|add|remove|list>")
+		os.Exit(1)
+	}
+	switch os.Args[1] {
+	case "serve":
+		cmdServe(os.Args[2:])
+	case "add":
+		cmdAdd(os.Args[2:])
+	case "remove":
+		cmdRemove(os.Args[2:])
+	case "list":
+		cmdList(os.Args[2:])
+	default:
+		fmt.Fprintf(os.Stderr, "unknown command: %s\n", os.Args[1])
+		os.Exit(1)
+	}
+}
+
+func cmdAdd(args []string) {
+	flags := flag.NewFlagSet("add", flag.ExitOnError)
+	dbPath := flags.String("db", "data/nilink.db", "database path")
+	flags.Parse(args)
+
+	if flags.NArg() != 1 {
+		fmt.Fprintln(os.Stderr, "usage: nilink add [-db path] <url>")
+		os.Exit(1)
+	}
+	url := flags.Arg(0)
+
+	db, err := openDB(*dbPath)
+	if err != nil {
+		fmt.Fprintf(os.Stderr, "error: %v\n", err)
+		os.Exit(1)
+	}
+	defer db.Close()
+
+	id, err := insertLink(db, url)
+	if err != nil {
+		fmt.Fprintf(os.Stderr, "error: %v\n", err)
+		os.Exit(1)
+	}
+	short, err := encodeID(id)
+	if err != nil {
+		fmt.Fprintf(os.Stderr, "error: %v\n", err)
+		os.Exit(1)
+	}
+	fmt.Printf("%s %s\n", short, url)
+}
+
+func cmdRemove(args []string) {
+	flags := flag.NewFlagSet("remove", flag.ExitOnError)
+	dbPath := flags.String("db", "data/nilink.db", "database path")
+	flags.Parse(args)
+
+	if flags.NArg() != 1 {
+		fmt.Fprintln(os.Stderr, "usage: nilink remove [-db path] <short-id>")
+		os.Exit(1)
+	}
+	shortID := flags.Arg(0)
+
+	id, err := decodeID(shortID)
+	if err != nil {
+		fmt.Fprintf(os.Stderr, "error: %v\n", err)
+		os.Exit(1)
+	}
+
+	db, err := openDB(*dbPath)
+	if err != nil {
+		fmt.Fprintf(os.Stderr, "error: %v\n", err)
+		os.Exit(1)
+	}
+	defer db.Close()
+
+	if err := deleteLink(db, id); err != nil {
+		fmt.Fprintf(os.Stderr, "error: %v\n", err)
+		os.Exit(1)
+	}
+}
+
+func cmdList(args []string) {
+	flags := flag.NewFlagSet("list", flag.ExitOnError)
+	dbPath := flags.String("db", "data/nilink.db", "database path")
+	flags.Parse(args)
+
+	db, err := openDB(*dbPath)
+	if err != nil {
+		fmt.Fprintf(os.Stderr, "error: %v\n", err)
+		os.Exit(1)
+	}
+	defer db.Close()
+
+	links, err := listLinks(db)
+	if err != nil {
+		fmt.Fprintf(os.Stderr, "error: %v\n", err)
+		os.Exit(1)
+	}
+	for _, l := range links {
+		short, err := encodeID(l.ID)
+		if err != nil {
+			fmt.Fprintf(os.Stderr, "error: %v\n", err)
+			os.Exit(1)
+		}
+		fmt.Printf("%s  %s  %s\n", short, l.URL, l.CreatedAt)
+	}
+}
-- 
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