From f42ab48281bd36dda9ba0511fb55dfbbf86ff566 Mon Sep 17 00:00:00 2001
From: Harry Cheng <chengyuhui1@gmail.com>
Date: Tue, 16 Aug 2022 13:10:40 +0800
Subject: [PATCH] `no_ui` option

---
 src/main.rs     | 35 +++++++++++++++++++++++++++++++++++
 src/settings.rs | 10 ++++++++++
 2 files changed, 45 insertions(+)

diff --git a/src/main.rs b/src/main.rs
index 5d07bc9e..039d0da7 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -50,6 +50,41 @@ fn handle_addition(settings: &Settings) {
 
 fn handle_search(settings: &Settings) {
     let history = History::load(settings.history_format);
+
+    if settings.no_ui {
+        history.build_cache_table(
+            &settings.dir.to_owned(),
+            &Some(settings.session_id.to_owned()),
+            None,
+            None,
+            None,
+            settings.limit.to_owned(),
+        );
+        let matches = history.find_matches(
+            &settings.command,
+            settings.results as i16,
+            settings.fuzzy,
+            &mcfly::settings::ResultSort::Rank,
+        );
+
+        let cmd = match matches.first() {
+            Some(cmd) => cmd.cmd.to_owned(),
+            None => settings.command.to_owned(),
+        };
+        let cmd_t = cmd.trim();
+        if cmd_t.is_empty() {
+            return;
+        }
+
+        let out = format!("mode display\ncommandline {}\n", cmd_t);
+        if let Some(path) = &settings.output_selection {
+            fs::write(path, out)
+                .unwrap_or_else(|err| panic!("McFly error: unable to write to {}: {}", path, err));
+        }
+        
+        return;
+    }
+
     let result = Interface::new(settings, &history).display();
     if let Some(cmd) = result.selection {
         if let Some(path) = &settings.output_selection {
diff --git a/src/settings.rs b/src/settings.rs
index 0dc4cacf..a881b5b0 100644
--- a/src/settings.rs
+++ b/src/settings.rs
@@ -87,6 +87,7 @@ pub struct Settings {
     pub interface_view: InterfaceView,
     pub result_sort: ResultSort,
     pub disable_menu: bool,
+    pub no_ui: bool,
 }
 
 impl Default for Settings {
@@ -116,6 +117,7 @@ impl Default for Settings {
             interface_view: InterfaceView::Top,
             result_sort: ResultSort::Rank,
             disable_menu: false,
+            no_ui: false,
         }
     }
 }
@@ -204,6 +206,9 @@ impl Settings {
                 .arg(Arg::with_name("delete_without_confirm")
                     .long("delete_without_confirm")
                     .help("Delete entry without confirm"))
+                .arg(Arg::with_name("no_ui")
+                    .long("no-ui")
+                    .help("Don't show the UI; requires --output-selection"))
                 .arg(Arg::with_name("output_selection")
                     .short("o")
                     .long("output-selection")
@@ -419,6 +424,11 @@ impl Settings {
                 settings.output_selection = search_matches
                     .value_of("output_selection")
                     .map(|s| s.to_owned());
+                settings.no_ui = search_matches.is_present("no_ui");
+
+                if settings.no_ui && settings.output_selection.is_none() {
+                    panic!("McFly error: no_ui requires output_selection");
+                }
 
                 if let Some(values) = search_matches.values_of("command") {
                     settings.command = values.collect::<Vec<_>>().join(" ");