replace dialoguer with inquire

In order to reduce our dependencies, we are replacing the dependencies
that use console_rs with those that use crossterm.

This commit will completely replace dialoguer with inquire.

Signed-off-by: Perma Alesheikh <me@prma.dev>

src/backend/mod.rs

@@ -1,9 +1,9 @@
 pub mod config;
 pub(crate) mod wizard;
 
-use color_eyre::Result;
 use async_trait::async_trait;
-use std::{ops::Deref, sync::Arc};
+use color_eyre::Result;
+use std::{fmt::Display, ops::Deref, sync::Arc};
 
 #[cfg(feature = "imap")]
 use email::imap::{ImapContextBuilder, ImapContextSync};
@@ -70,30 +70,32 @@ pub enum BackendKind {
     Sendmail,
 }
 
-impl ToString for BackendKind {
-    fn to_string(&self) -> String {
-        let kind = match self {
-            Self::None => "None",
+impl Display for BackendKind {
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+        write!(
+            f,
+            "{}",
+            match self {
+                Self::None => "None",
 
-            #[cfg(feature = "imap")]
-            Self::Imap => "IMAP",
-            #[cfg(all(feature = "imap", feature = "account-sync"))]
-            Self::ImapCache => "IMAP cache",
+                #[cfg(feature = "imap")]
+                Self::Imap => "IMAP",
+                #[cfg(all(feature = "imap", feature = "account-sync"))]
+                Self::ImapCache => "IMAP cache",
 
-            #[cfg(feature = "maildir")]
-            Self::Maildir => "Maildir",
+                #[cfg(feature = "maildir")]
+                Self::Maildir => "Maildir",
 
-            #[cfg(feature = "notmuch")]
-            Self::Notmuch => "Notmuch",
+                #[cfg(feature = "notmuch")]
+                Self::Notmuch => "Notmuch",
 
-            #[cfg(feature = "smtp")]
-            Self::Smtp => "SMTP",
+                #[cfg(feature = "smtp")]
+                Self::Smtp => "SMTP",
 
-            #[cfg(feature = "sendmail")]
-            Self::Sendmail => "Sendmail",
-        };
-
-        kind.to_string()
+                #[cfg(feature = "sendmail")]
+                Self::Sendmail => "Sendmail",
+            }
+        )
     }
 }
 

src/backend/wizard.rs

@@ -1,7 +1,7 @@
 use color_eyre::Result;
-use dialoguer::Select;
 #[cfg(feature = "account-discovery")]
 use email::account::discover::config::AutoConfig;
+use inquire::Select;
 
 #[cfg(feature = "imap")]
 use crate::imap;
@@ -13,7 +13,6 @@ use crate::notmuch;
 use crate::sendmail;
 #[cfg(feature = "smtp")]
 use crate::smtp;
-use crate::ui::THEME;
 
 use super::{config::BackendConfig, BackendKind};
 
@@ -38,12 +37,9 @@ pub(crate) async fn configure(
     email: &str,
     #[cfg(feature = "account-discovery")] autoconfig: Option<&AutoConfig>,
 ) -> Result<Option<BackendConfig>> {
-    let kind = Select::with_theme(&*THEME)
-        .with_prompt("Default email backend")
-        .items(DEFAULT_BACKEND_KINDS)
-        .default(0)
-        .interact_opt()?
-        .and_then(|idx| DEFAULT_BACKEND_KINDS.get(idx).map(Clone::clone));
+    let kind = Select::new("Default email backend", DEFAULT_BACKEND_KINDS.to_vec())
+        .with_starting_cursor(0)
+        .prompt_skippable()?;
 
     let config = match kind {
         #[cfg(feature = "imap")]
@@ -71,12 +67,12 @@ pub(crate) async fn configure_sender(
     email: &str,
     #[cfg(feature = "account-discovery")] autoconfig: Option<&AutoConfig>,
 ) -> Result<Option<BackendConfig>> {
-    let kind = Select::with_theme(&*THEME)
-        .with_prompt("Backend for sending messages")
-        .items(SEND_MESSAGE_BACKEND_KINDS)
-        .default(0)
-        .interact_opt()?
-        .and_then(|idx| SEND_MESSAGE_BACKEND_KINDS.get(idx).map(Clone::clone));
+    let kind = Select::new(
+        "Backend for sending messages",
+        SEND_MESSAGE_BACKEND_KINDS.to_vec(),
+    )
+    .with_starting_cursor(0)
+    .prompt_skippable()?;
 
     let config = match kind {
         #[cfg(feature = "smtp")]