From 49b193e76a9988dbae54f604fc567c6f3af8ecbd Mon Sep 17 00:00:00 2001
From: dwrz <dwrz@dwrz.net>
Date: Mon, 26 Oct 2026 02:37:19 +0000
Subject: [PATCH] Add wen cmd

---
 cmd/wen/main.go | 82 +++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 82 insertions(+)
 create mode 100644 cmd/wen/main.go

diff --git a/cmd/wen/main.go b/cmd/wen/main.go
new file mode 100644
index 0000000..e4531a1
--- /dev/null
+++ b/cmd/wen/main.go
@@ -0,0 +1,82 @@
+package main
+
+import (
+	"context"
+	"fmt"
+	"log/slog"
+	"os"
+	"os/signal"
+	"path/filepath"
+	"syscall"
+
+	"code.chimeric.al/dwrz/wen/internal/editor"
+	"code.chimeric.al/dwrz/wen/pkg/terminal"
+)
+
+func main() {
+	var log = slog.New(slog.NewTextHandler(os.Stderr, &slog.HandlerOptions{
+		AddSource: true,
+		Level:     slog.LevelDebug,
+	}))
+
+	// Setup the main context.
+	// The context cancels on SIGINT or SIGTERM.
+	ctx, stop := signal.NotifyContext(
+		context.Background(),
+		syscall.SIGINT,
+		syscall.SIGTERM,
+	)
+	defer stop()
+
+	if err := run(ctx); err != nil {
+		log.Error("failed", slog.Any("error", err))
+		os.Exit(1)
+	}
+}
+
+func run(ctx context.Context) error {
+	// Setup workspace and log file.
+	cdir, err := os.UserCacheDir()
+	if err != nil {
+		return fmt.Errorf(
+			"failed to determine user cache directory: %w", err,
+		)
+	}
+	wdir := filepath.Join(cdir, "wen")
+
+	if err := os.MkdirAll(wdir, os.ModeDir|0700); err != nil {
+		return fmt.Errorf("failed to create tmp dir: %w", err)
+	}
+
+	f, err := os.Create(wdir + "/log")
+	if err != nil {
+		return fmt.Errorf("failed to create log file: %w", err)
+	}
+	defer f.Close()
+
+	var editorLog = slog.New(slog.NewTextHandler(f, &slog.HandlerOptions{
+		AddSource: true,
+		Level:     slog.LevelDebug,
+	}))
+
+	// Retrieve terminal info.
+	t, err := terminal.New(os.Stdin.Fd())
+	if err != nil {
+		return fmt.Errorf("failed to get terminal attributes: %w", err)
+	}
+
+	// Create the editor.
+	editor, err := editor.New(editor.Parameters{
+		In:       os.Stdin,
+		Log:      editorLog,
+		Out:      os.Stdout,
+		TempDir:  wdir,
+		Terminal: t,
+	})
+	if err != nil {
+		return fmt.Errorf("failed to create editor: %w", err)
+	}
+
+	// Run the editor.
+	return editor.Run(ctx, os.Args[1:])
+}