Refactored the filter and search logic to follow the established modal logic and added some refactored functions to the UI module as well to clean up the UI code too

src/ui/mod.rs

@@ -14,7 +14,7 @@ use tui::widgets::{Clear, List, ListItem};
 use tui::Frame;
 
 use crate::app::App;
-use crate::models::{Route, StatefulList, StatefulTable, TabState};
+use crate::models::{HorizontallyScrollableText, Route, StatefulList, StatefulTable, TabState};
 use crate::ui::radarr_ui::RadarrUi;
 use crate::ui::utils::{
   background_block, borderless_block, centered_rect, horizontal_chunks,
@@ -659,8 +659,8 @@ pub fn draw_text_box<B: Backend>(
   should_show_cursor: bool,
   is_selected: bool,
 ) {
-  let (block, style) = if let Some(..) = block_title {
-    (title_block_centered(block_title.unwrap()), style_default())
+  let (block, style) = if let Some(title) = block_title {
+    (title_block_centered(title), style_default())
   } else {
     (
       layout_block(),
@@ -671,10 +671,10 @@ pub fn draw_text_box<B: Backend>(
       },
     )
   };
-  let search_paragraph = Paragraph::new(Text::from(block_content))
+  let paragraph = Paragraph::new(Text::from(block_content))
     .style(style)
     .block(block);
-  f.render_widget(search_paragraph, text_box_area);
+  f.render_widget(paragraph, text_box_area);
 
   if should_show_cursor {
     show_cursor(f, text_box_area, offset, block_content);
@@ -716,3 +716,49 @@ pub fn draw_text_box_with_label<B: Backend>(
     is_selected,
   );
 }
+
+pub fn draw_input_box_popup<B: Backend>(
+  f: &mut Frame<'_, B>,
+  input_box_area: Rect,
+  box_title: &str,
+  box_content: &HorizontallyScrollableText,
+) {
+  let chunks = vertical_chunks_with_margin(
+    vec![
+      Constraint::Length(3),
+      Constraint::Length(1),
+      Constraint::Min(0),
+    ],
+    input_box_area,
+    1,
+  );
+
+  draw_text_box(
+    f,
+    chunks[0],
+    Some(box_title),
+    &box_content.text,
+    *box_content.offset.borrow(),
+    true,
+    false,
+  );
+
+  let help = Paragraph::new("<esc> cancel")
+    .style(style_help())
+    .alignment(Alignment::Center)
+    .block(borderless_block());
+  f.render_widget(help, chunks[1]);
+}
+
+pub fn draw_error_message_popup<B: Backend>(
+  f: &mut Frame<'_, B>,
+  error_message_area: Rect,
+  error_msg: &str,
+) {
+  let input = Paragraph::new(error_msg)
+    .style(style_failure())
+    .alignment(Alignment::Center)
+    .block(layout_block());
+
+  f.render_widget(input, error_message_area);
+}