From e725c70570505abc9de8b69019787a0193a56294 Mon Sep 17 00:00:00 2001
From: filipriec <filippriec@gmail.com>
Date: Thu, 3 Apr 2025 19:50:35 +0200
Subject: [PATCH] splitting read_only mode

---
 .../src/functions/modes/read_only/form_ro.rs  | 193 ++++++------
 client/src/modes/canvas/read_only.rs          | 283 +-----------------
 2 files changed, 107 insertions(+), 369 deletions(-)

diff --git a/client/src/functions/modes/read_only/form_ro.rs b/client/src/functions/modes/read_only/form_ro.rs
index 88434d1..50a6f8a 100644
--- a/client/src/functions/modes/read_only/form_ro.rs
+++ b/client/src/functions/modes/read_only/form_ro.rs
@@ -1,56 +1,8 @@
 // src/functions/modes/read_only/form_ro.rs
 
 use crate::config::binds::key_sequences::KeySequenceTracker;
-use crate::services::grpc_client::GrpcClient;
 use crate::state::canvas_state::CanvasState;
-use crate::state::pages::form::FormState;
-
-// --- Context-Specific Actions Handled Here ---
-const CONTEXT_ACTIONS_FORM: &[&str] = &[
-    "previous_entry",
-    "next_entry",
-    "move_up",
-    "move_down",
-    "move_first_line",
-    "move_last_line",
-];
-
-pub async fn handle_action(
-    action: &str,
-    form_state: &mut FormState,
-    grpc_client: &mut GrpcClient,
-    current_position: &mut u64,
-    total_count: u64,
-    ideal_cursor_column: &mut usize,
-    key_sequence_tracker: &mut KeySequenceTracker,
-    command_message: &mut String,
-) -> Result<String, Box<dyn std::error::Error>> {
-    if CONTEXT_ACTIONS_FORM.contains(&action) {
-        // Delegate context-specific actions to the original handler
-        // (or implement the logic directly here if preferred)
-        crate::tui::functions::form::handle_action(
-            action,
-            form_state,
-            grpc_client,
-            current_position,
-            total_count,
-            ideal_cursor_column,
-        )
-        .await
-    } else {
-        // Handle generic actions using the local execute_action
-        execute_action(
-            action,
-            form_state,
-            ideal_cursor_column,
-            key_sequence_tracker,
-            command_message,
-        )
-        .await
-    }
-}
-
-// --- Generic Action Implementation (Copied and made private) ---
+use std::error::Error;
 
 #[derive(PartialEq)]
 enum CharType {
@@ -59,16 +11,14 @@ enum CharType {
     Punctuation,
 }
 
-async fn execute_action<S: CanvasState>(
+pub async fn execute_action<S: CanvasState>(
     action: &str,
     state: &mut S,
     ideal_cursor_column: &mut usize,
     key_sequence_tracker: &mut KeySequenceTracker,
     command_message: &mut String,
-) -> Result<String, Box<dyn std::error::Error>> {
+) -> Result<String, Box<dyn Error>> {
     match action {
-        // Context actions are handled above, this case should ideally not be hit
-        // for these actions, but included for robustness.
         "previous_entry" | "next_entry" | "move_up" | "move_down" |
         "move_first_line" | "move_last_line" => {
             key_sequence_tracker.reset();
@@ -78,7 +28,6 @@ async fn execute_action<S: CanvasState>(
             ))
         }
         "exit_edit_mode" => {
-            // This action might not make sense here if only called from read-only
             key_sequence_tracker.reset();
             command_message.clear();
             Ok("".to_string())
@@ -154,7 +103,7 @@ async fn execute_action<S: CanvasState>(
                 state.set_current_cursor_pos(new_pos);
                 *ideal_cursor_column = new_pos;
             }
-            Ok("Moved to previous word end".to_string()) // Maybe clear msg?
+            Ok("Moved to previous word end".to_string())
         }
         "move_line_start" => {
             state.set_current_cursor_pos(0);
@@ -174,9 +123,9 @@ async fn execute_action<S: CanvasState>(
             Ok("".to_string())
         }
         _ => {
-            key_sequence_tracker.reset();
-            Ok(format!("Unknown read-only action: {}", action))
-        }
+             key_sequence_tracker.reset();
+             Ok(format!("Unknown read-only action: {}", action))
+        },
     }
 }
 
@@ -192,69 +141,139 @@ fn get_char_type(c: char) -> CharType {
 
 fn find_next_word_start(text: &str, current_pos: usize) -> usize {
     let chars: Vec<char> = text.chars().collect();
-    if chars.is_empty() { return 0; }
+    if chars.is_empty() {
+        return 0;
+    }
     let current_pos = current_pos.min(chars.len());
-    if current_pos == chars.len() { return current_pos; }
+
+    if current_pos == chars.len() {
+        return current_pos;
+    }
 
     let mut pos = current_pos;
     let initial_type = get_char_type(chars[pos]);
-    while pos < chars.len() && get_char_type(chars[pos]) == initial_type { pos += 1; }
-    while pos < chars.len() && get_char_type(chars[pos]) == CharType::Whitespace { pos += 1; }
+
+    while pos < chars.len() && get_char_type(chars[pos]) == initial_type {
+        pos += 1;
+    }
+
+    while pos < chars.len() && get_char_type(chars[pos]) == CharType::Whitespace {
+        pos += 1;
+    }
+
     pos
 }
 
-// fn find_next_word_end(...) // Keep this helper if needed by find_word_end
-// ... (keep all find_* helper functions: find_next_word_end, find_word_end, find_prev_word_start, find_prev_word_end)
 fn find_next_word_end(text: &str, current_pos: usize) -> usize {
     let chars: Vec<char> = text.chars().collect();
-    if chars.is_empty() { return 0; }
+    if chars.is_empty() {
+        return 0;
+    }
+
     let next_start = find_next_word_start(text, current_pos);
-    if next_start >= chars.len() { return chars.len().saturating_sub(1); }
+
+    if next_start >= chars.len() {
+        return chars.len().saturating_sub(1);
+    }
+
     let mut pos = next_start;
     let word_type = get_char_type(chars[pos]);
-    while pos < chars.len() && get_char_type(chars[pos]) == word_type { pos += 1; }
+
+    while pos < chars.len() && get_char_type(chars[pos]) == word_type {
+        pos += 1;
+    }
+
     pos.saturating_sub(1).min(chars.len().saturating_sub(1))
 }
 
 fn find_word_end(text: &str, current_pos: usize) -> usize {
     let chars: Vec<char> = text.chars().collect();
     let len = chars.len();
-    if len == 0 { return 0; }
-    let mut pos = current_pos.min(len.saturating_sub(1)); // Use saturating_sub
+    if len == 0 {
+        return 0;
+    }
+
+    let mut pos = current_pos.min(len - 1);
+    let original_pos = pos;
+
     let current_type = get_char_type(chars[pos]);
     if current_type != CharType::Whitespace {
-        while pos < len && get_char_type(chars[pos]) == current_type { pos += 1; }
+        while pos < len && get_char_type(chars[pos]) == current_type {
+            pos += 1;
+        }
         return pos.saturating_sub(1);
     }
+
     pos = find_next_word_start(text, pos);
-    if pos >= len { return len.saturating_sub(1); }
+    if pos >= len {
+        return len.saturating_sub(1);
+    }
+
     let word_type = get_char_type(chars[pos]);
-    while pos < len && get_char_type(chars[pos]) == word_type { pos += 1; }
+    while pos < len && get_char_type(chars[pos]) == word_type {
+        pos += 1;
+    }
+
     pos.saturating_sub(1).min(len.saturating_sub(1))
 }
 
 fn find_prev_word_start(text: &str, current_pos: usize) -> usize {
     let chars: Vec<char> = text.chars().collect();
-    if chars.is_empty() || current_pos == 0 { return 0; }
+    if chars.is_empty() || current_pos == 0 {
+        return 0;
+    }
+
     let mut pos = current_pos.saturating_sub(1);
-    while pos > 0 && get_char_type(chars[pos]) == CharType::Whitespace { pos -= 1; }
+
+    while pos > 0 && get_char_type(chars[pos]) == CharType::Whitespace {
+        pos -= 1;
+    }
+
     if get_char_type(chars[pos]) != CharType::Whitespace {
         let word_type = get_char_type(chars[pos]);
-        while pos > 0 && get_char_type(chars[pos - 1]) == word_type { pos -= 1; }
+        while pos > 0 && get_char_type(chars[pos - 1]) == word_type {
+            pos -= 1;
+        }
+    }
+
+    if pos == 0 && get_char_type(chars[0]) == CharType::Whitespace {
+         0
+    } else {
+        pos
     }
-    if pos == 0 && get_char_type(chars[0]) == CharType::Whitespace { 0 } else { pos }
 }
 
 fn find_prev_word_end(text: &str, current_pos: usize) -> usize {
-    let chars: Vec<char> = text.chars().collect();
-    if chars.is_empty() || current_pos == 0 { return 0; }
-    let mut pos = current_pos.saturating_sub(1);
-    while pos > 0 && get_char_type(chars[pos]) == CharType::Whitespace { pos -= 1; }
-    if pos == 0 && get_char_type(chars[0]) == CharType::Whitespace { return 0; }
-    if pos == 0 && get_char_type(chars[0]) != CharType::Whitespace { return 0; }
-    let word_type = get_char_type(chars[pos]);
-    while pos > 0 && get_char_type(chars[pos - 1]) == word_type { pos -= 1; }
-    while pos > 0 && get_char_type(chars[pos - 1]) == CharType::Whitespace { pos -= 1; }
-    if pos > 0 { pos - 1 } else { 0 }
-}
+     let chars: Vec<char> = text.chars().collect();
+    if chars.is_empty() || current_pos == 0 {
+        return 0;
+    }
 
+    let mut pos = current_pos.saturating_sub(1);
+
+    while pos > 0 && get_char_type(chars[pos]) == CharType::Whitespace {
+        pos -= 1;
+    }
+
+    if pos == 0 && get_char_type(chars[0]) == CharType::Whitespace {
+        return 0;
+    }
+     if pos == 0 && get_char_type(chars[0]) != CharType::Whitespace {
+         return 0;
+     }
+
+    let word_type = get_char_type(chars[pos]);
+     while pos > 0 && get_char_type(chars[pos - 1]) == word_type {
+        pos -= 1;
+    }
+
+    while pos > 0 && get_char_type(chars[pos - 1]) == CharType::Whitespace {
+        pos -= 1;
+    }
+
+    if pos > 0 {
+        pos - 1
+    } else {
+        0
+    }
+}
diff --git a/client/src/modes/canvas/read_only.rs b/client/src/modes/canvas/read_only.rs
index 670c161..a81813d 100644
--- a/client/src/modes/canvas/read_only.rs
+++ b/client/src/modes/canvas/read_only.rs
@@ -6,15 +6,9 @@ use crate::services::grpc_client::GrpcClient;
 use crate::state::canvas_state::CanvasState;
 use crate::state::pages::auth::AuthState;
 use crate::state::pages::form::FormState;
+use crate::functions::modes::read_only::form_ro::execute_action;
 use crossterm::event::KeyEvent;
 
-#[derive(PartialEq)]
-enum CharType {
-    Whitespace,
-    Alphanumeric,
-    Punctuation,
-}
-
 pub async fn handle_read_only_event(
     app_state: &crate::state::state::AppState,
     key: KeyEvent,
@@ -241,278 +235,3 @@ pub async fn handle_read_only_event(
 
     Ok((false, command_message.clone()))
 }
-
-async fn execute_action<S: CanvasState>(
-    action: &str,
-    state: &mut S,
-    ideal_cursor_column: &mut usize,
-    key_sequence_tracker: &mut KeySequenceTracker,
-    command_message: &mut String,
-) -> Result<String, Box<dyn std::error::Error>> {
-    match action {
-        "previous_entry" | "next_entry" | "move_up" | "move_down" |
-        "move_first_line" | "move_last_line" => {
-            key_sequence_tracker.reset();
-            Ok(format!(
-                "Action '{}' should be handled by context-specific logic",
-                action
-            ))
-        }
-        "exit_edit_mode" => {
-            key_sequence_tracker.reset();
-            command_message.clear();
-            Ok("".to_string())
-        }
-        "move_left" => {
-            let current_pos = state.current_cursor_pos();
-            let new_pos = current_pos.saturating_sub(1);
-            state.set_current_cursor_pos(new_pos);
-            *ideal_cursor_column = new_pos;
-            Ok("".to_string())
-        }
-        "move_right" => {
-            let current_input = state.get_current_input();
-            let current_pos = state.current_cursor_pos();
-            if !current_input.is_empty()
-                && current_pos < current_input.len().saturating_sub(1)
-            {
-                let new_pos = current_pos + 1;
-                state.set_current_cursor_pos(new_pos);
-                *ideal_cursor_column = new_pos;
-            }
-            Ok("".to_string())
-        }
-        "move_word_next" => {
-            let current_input = state.get_current_input();
-            if !current_input.is_empty() {
-                let new_pos =
-                    find_next_word_start(current_input, state.current_cursor_pos());
-                let final_pos = new_pos.min(current_input.len().saturating_sub(1));
-                state.set_current_cursor_pos(final_pos);
-                *ideal_cursor_column = final_pos;
-            }
-            Ok("".to_string())
-        }
-        "move_word_end" => {
-            let current_input = state.get_current_input();
-            if !current_input.is_empty() {
-                let current_pos = state.current_cursor_pos();
-                let new_pos = find_word_end(current_input, current_pos);
-
-                // Only move if we're not already at the found position
-                let final_pos = if new_pos != current_pos {
-                    new_pos
-                } else {
-                    // If already at a word end, jump to next word's end
-                    find_word_end(current_input, new_pos + 1)
-                };
-
-                let max_valid_index = current_input.len().saturating_sub(1);
-                let clamped_pos = final_pos.min(max_valid_index);
-                state.set_current_cursor_pos(clamped_pos);
-                *ideal_cursor_column = clamped_pos;
-            }
-            Ok("".to_string())
-        }
-        "move_word_prev" => {
-            let current_input = state.get_current_input();
-            if !current_input.is_empty() {
-                let new_pos = find_prev_word_start(
-                    current_input,
-                    state.current_cursor_pos(),
-                );
-                state.set_current_cursor_pos(new_pos);
-                *ideal_cursor_column = new_pos;
-            }
-            Ok("".to_string())
-        }
-        "move_word_end_prev" => {
-            let current_input = state.get_current_input();
-            if !current_input.is_empty() {
-                let new_pos = find_prev_word_end(
-                    current_input,
-                    state.current_cursor_pos(),
-                );
-                state.set_current_cursor_pos(new_pos);
-                *ideal_cursor_column = new_pos;
-            }
-            Ok("Moved to previous word end".to_string())
-        }
-        "move_line_start" => {
-            state.set_current_cursor_pos(0);
-            *ideal_cursor_column = 0;
-            Ok("".to_string())
-        }
-        "move_line_end" => {
-            let current_input = state.get_current_input();
-            if !current_input.is_empty() {
-                let new_pos = current_input.len().saturating_sub(1);
-                state.set_current_cursor_pos(new_pos);
-                *ideal_cursor_column = new_pos;
-            } else {
-                state.set_current_cursor_pos(0);
-                *ideal_cursor_column = 0;
-            }
-            Ok("".to_string())
-        }
-        _ => {
-             key_sequence_tracker.reset();
-             Ok(format!("Unknown read-only action: {}", action))
-        },
-    }
-}
-
-fn get_char_type(c: char) -> CharType {
-    if c.is_whitespace() {
-        CharType::Whitespace
-    } else if c.is_alphanumeric() {
-        CharType::Alphanumeric
-    } else {
-        CharType::Punctuation
-    }
-}
-
-fn find_next_word_start(text: &str, current_pos: usize) -> usize {
-    let chars: Vec<char> = text.chars().collect();
-    if chars.is_empty() {
-        return 0;
-    }
-    let current_pos = current_pos.min(chars.len());
-
-    if current_pos == chars.len() {
-        return current_pos;
-    }
-
-    let mut pos = current_pos;
-    let initial_type = get_char_type(chars[pos]);
-
-    while pos < chars.len() && get_char_type(chars[pos]) == initial_type {
-        pos += 1;
-    }
-
-    while pos < chars.len() && get_char_type(chars[pos]) == CharType::Whitespace {
-        pos += 1;
-    }
-
-    pos
-}
-
-fn find_next_word_end(text: &str, current_pos: usize) -> usize {
-    let chars: Vec<char> = text.chars().collect();
-    if chars.is_empty() {
-        return 0;
-    }
-
-    // Find start of next word
-    let next_start = find_next_word_start(text, current_pos);
-
-    // Find end of that word
-    if next_start >= chars.len() {
-        return chars.len().saturating_sub(1);
-    }
-
-    let mut pos = next_start;
-    let word_type = get_char_type(chars[pos]);
-
-    while pos < chars.len() && get_char_type(chars[pos]) == word_type {
-        pos += 1;
-    }
-
-    pos.saturating_sub(1).min(chars.len().saturating_sub(1))
-}
-
-fn find_word_end(text: &str, current_pos: usize) -> usize {
-    let chars: Vec<char> = text.chars().collect();
-    let len = chars.len();
-    if len == 0 {
-        return 0;
-    }
-
-    let mut pos = current_pos.min(len - 1);
-    let original_pos = pos;
-
-    // First try to find end of current word
-    let current_type = get_char_type(chars[pos]);
-    if current_type != CharType::Whitespace {
-        // Move forward to word end
-        while pos < len && get_char_type(chars[pos]) == current_type {
-            pos += 1;
-        }
-        return pos.saturating_sub(1);
-    }
-
-    // If in whitespace, find next word's end
-    pos = find_next_word_start(text, pos);
-    if pos >= len {
-        return len.saturating_sub(1);
-    }
-    
-    let word_type = get_char_type(chars[pos]);
-    while pos < len && get_char_type(chars[pos]) == word_type {
-        pos += 1;
-    }
-    
-    pos.saturating_sub(1).min(len.saturating_sub(1))
-}
-
-fn find_prev_word_start(text: &str, current_pos: usize) -> usize {
-    let chars: Vec<char> = text.chars().collect();
-    if chars.is_empty() || current_pos == 0 {
-        return 0;
-    }
-
-    let mut pos = current_pos.saturating_sub(1);
-
-    while pos > 0 && get_char_type(chars[pos]) == CharType::Whitespace {
-        pos -= 1;
-    }
-
-    if get_char_type(chars[pos]) != CharType::Whitespace {
-        let word_type = get_char_type(chars[pos]);
-        while pos > 0 && get_char_type(chars[pos - 1]) == word_type {
-            pos -= 1;
-        }
-    }
-
-    if pos == 0 && get_char_type(chars[0]) == CharType::Whitespace {
-         0
-    } else {
-        pos
-    }
-}
-
-fn find_prev_word_end(text: &str, current_pos: usize) -> usize {
-     let chars: Vec<char> = text.chars().collect();
-    if chars.is_empty() || current_pos == 0 {
-        return 0;
-    }
-
-    let mut pos = current_pos.saturating_sub(1);
-
-    while pos > 0 && get_char_type(chars[pos]) == CharType::Whitespace {
-        pos -= 1;
-    }
-
-    if pos == 0 && get_char_type(chars[0]) == CharType::Whitespace {
-        return 0;
-    }
-     if pos == 0 && get_char_type(chars[0]) != CharType::Whitespace {
-         return 0;
-     }
-
-    let word_type = get_char_type(chars[pos]);
-     while pos > 0 && get_char_type(chars[pos - 1]) == word_type {
-        pos -= 1;
-    }
-
-    while pos > 0 && get_char_type(chars[pos - 1]) == CharType::Whitespace {
-        pos -= 1;
-    }
-
-    if pos > 0 {
-        pos - 1
-    } else {
-        0
-    }
-}
-