feat: multi-suggest

src/modes.rs

@@ -1,6 +1,5 @@
 use crate::shell::Data;
-use crate::style::highlight_difference;
-use crate::suggestions::{best_match_path, suggest_command};
+use crate::suggestions::{best_match_path, suggest_candidates};
 use crate::system;
 use crate::{shell, suggestions};
 use colored::Colorize;
@@ -12,32 +11,22 @@ pub fn suggestion(data: &mut Data) {
 
 	loop {
 		last_command = data.command.clone();
-		let suggestion = {
-			let command = suggest_command(data);
-			if command.is_none() {
-				break;
-			};
-
-			let mut command = command.unwrap();
-			shell::shell_syntax(&shell, &mut command);
-			command
-		};
-		data.update_suggest(&suggestion);
-		data.expand_suggest();
-
-		let highlighted_suggestion = {
-			let difference = highlight_difference(&shell, &suggestion, &last_command);
-			if difference.is_none() {
-				break;
-			};
-			difference.unwrap()
+		suggest_candidates(data);
+		if data.candidates.is_empty() {
+			break;
 		};
 
-		let execution = suggestions::confirm_suggestion(data, &highlighted_suggestion);
+		for candidate in &mut data.candidates {
+			shell::shell_syntax(&shell, candidate);
+		}
+
+		suggestions::select_candidate(data);
+
+		let execution = suggestions::confirm_suggestion(data);
 		if execution.is_ok() {
 			return;
 		} else {
-			data.update_command(&suggestion);
+			data.update_command(&data.suggest.clone().unwrap());
 			let msg = Some(
 				execution
 					.err()
@@ -63,7 +52,6 @@ pub fn suggestion(data: &mut Data) {
 
 pub fn cnf(data: &mut Data) {
 	let shell = data.shell.clone();
-	let last_command = data.command.clone();
 	let mut split_command = data.split.clone();
 
 	let executable = split_command[0].as_str();
@@ -73,12 +61,11 @@ pub fn cnf(data: &mut Data) {
 		let best_match = best_match.unwrap();
 		split_command[0] = best_match;
 		let suggest = split_command.join(" ");
-		data.update_suggest(&suggest);
-		data.expand_suggest();
 
-		let highlighted_suggestion =
-			highlight_difference(&shell, &suggest, &last_command).unwrap();
-		let status = suggestions::confirm_suggestion(data, &highlighted_suggestion);
+		data.candidates.push(suggest.clone());
+		suggestions::select_candidate(data);
+
+		let status = suggestions::confirm_suggestion(data);
 		if status.is_err() {
 			data.update_command(&suggest);
 			let msg = Some(
@@ -96,7 +83,6 @@ pub fn cnf(data: &mut Data) {
 		let package_manager = match system::get_package_manager(&shell) {
 			Some(package_manager) => package_manager,
 			None => {
-				eprintln!("no package manager found");
 				return;
 			}
 		};
@@ -120,7 +106,7 @@ pub fn cnf(data: &mut Data) {
 
 		// retry after installing package
 		if system::install_package(&shell, &package_manager, &package) {
-			let _ = suggestions::confirm_suggestion(data, &last_command);
+			let _ = suggestions::confirm_suggestion(data);
 		}
 	}
 }

src/rules.rs

@@ -1,11 +1,13 @@
 use crate::suggestions::*;
+use crate::shell::Data;
 use pay_respects_parser::parse_rules;
 
 pub fn match_pattern(
 	executable: &str,
-	last_command: &str,
-	error_msg: &str,
-	shell: &str,
-) -> Option<String> {
+	data: &mut Data
+) {
+	let error_msg = &data.error.clone();
+	let shell = &data.shell.clone();
+	let last_command = &data.command.clone();
 	parse_rules!("rules");
 }

src/runtime_rules.rs

@@ -1,5 +1,6 @@
 use crate::replaces;
 use crate::suggestions::*;
+use crate::shell::Data;
 
 #[derive(serde::Deserialize)]
 struct Rule {
@@ -14,16 +15,19 @@ struct MatchError {
 
 pub fn runtime_match(
 	executable: &str,
-	last_command: &str,
-	error_msg: &str,
-	shell: &str,
-) -> Option<String> {
+	data: &mut Data,
+) {
 	let file = get_rule(executable);
-	file.as_ref()?;
+	if file.is_none() {
+		return;
+	}
 
 	let file = std::fs::read_to_string(file.unwrap()).unwrap();
 	let rule: Rule = toml::from_str(&file).unwrap();
-	let split_command = split_command(last_command);
+	let split_command = &data.split.clone();
+	let shell = &data.shell.clone();
+	let last_command = &data.command.clone();
+	let error_msg = &data.error.clone();
 
 	let mut pure_suggest;
 
@@ -79,13 +83,11 @@ pub fn runtime_match(
 					if pure_suggest.contains("{{command}}") {
 						pure_suggest = pure_suggest.replace("{{command}}", last_command);
 					}
-					return eval_suggest(&pure_suggest, last_command, error_msg, shell);
+					data.add_candidate(&eval_suggest(&pure_suggest, last_command, error_msg, shell));
 				}
 			}
 		}
 	}
-
-	None
 }
 
 fn eval_condition(
@@ -108,7 +110,7 @@ fn eval_condition(
 	}
 }
 
-fn eval_suggest(suggest: &str, last_command: &str, error_msg: &str, shell: &str) -> Option<String> {
+fn eval_suggest(suggest: &str, last_command: &str, error_msg: &str, shell: &str) -> String {
 	let mut suggest = suggest.to_owned();
 	if suggest.contains("{{command}}") {
 		suggest = suggest.replace("{{command}}", "{last_command}");
@@ -130,7 +132,7 @@ fn eval_suggest(suggest: &str, last_command: &str, error_msg: &str, shell: &str)
 		suggest = suggest.replace(&tag, &value);
 	}
 
-	Some(suggest)
+	suggest
 }
 
 fn get_rule(executable: &str) -> Option<String> {

src/shell.rs

@@ -18,6 +18,7 @@ pub struct Data {
 	pub shell: String,
 	pub command: String,
 	pub suggest: Option<String>,
+	pub candidates: Vec<String>,
 	pub split: Vec<String>,
 	pub alias: Option<HashMap<String, String>>,
 	pub privilege: Option<String>,
@@ -43,6 +44,7 @@ impl Data {
 			shell,
 			command,
 			suggest: None,
+			candidates: vec![],
 			alias,
 			split: vec![],
 			privilege: None,
@@ -110,6 +112,13 @@ impl Data {
 			self.suggest = Some(suggest.to_string());
 		};
 	}
+
+	pub fn add_candidate(&mut self, candidate: &str) {
+		let candidate = candidate.trim();
+		if candidate != self.command {
+			self.candidates.push(candidate.to_string());
+		}
+	}
 }
 
 pub fn split_command(command: &str) -> Vec<String> {

src/style.rs

@@ -8,6 +8,7 @@ pub fn highlight_difference(
 	shell: &str,
 	suggested_command: &str,
 	last_command: &str,
+	difference_only: bool,
 ) -> Option<String> {
 	// let replaced_newline = suggested_command.replace('\n', r" {{newline}} ");
 	let mut split_suggested_command = split_command(suggested_command);
@@ -42,7 +43,9 @@ pub fn highlight_difference(
 		}
 		for old in &old_entries {
 			if old == entry {
-				*entry = entry.blue().to_string();
+				if !difference_only {
+					*entry = entry.blue().to_string();
+				}
 				continue 'next;
 			}
 		}

src/suggestions.rs

@@ -3,50 +3,40 @@ use std::process::{exit, Stdio};
 use std::time::{Duration, Instant};
 
 use colored::Colorize;
+use inquire::*;
 use regex_lite::Regex;
 
 use crate::files::{get_best_match_file, get_path_files};
 use crate::rules::match_pattern;
 use crate::shell::{shell_evaluated_commands, Data};
+use crate::style::highlight_difference;
 
-pub fn suggest_command(data: &Data) -> Option<String> {
-	let shell = &data.shell;
-	let command = &data.command;
-	let split_command = &data.split;
-	let executable = data.split[0].as_str();
-	let error = &data.error;
-	let privilege = &data.privilege;
+pub fn suggest_candidates(data: &mut Data) {
+	let executable = &data.split[0].to_string();
+	let privilege = &data.privilege.clone();
 
 	if privilege.is_none() {
-		let suggest = match_pattern("_PR_privilege", command, error, shell);
-		if suggest.is_some() {
-			return suggest;
-		}
-	}
-
-	let suggest = match_pattern(executable, command, error, shell);
-	if suggest.is_some() {
-		return suggest;
-	}
-
-	let suggest = match_pattern("_PR_general", command, error, shell);
-	if suggest.is_some() {
-		return suggest;
+		match_pattern("_PR_privilege", data);
 	}
+	match_pattern(executable, data);
+	match_pattern("_PR_general", data);
 
 	#[cfg(feature = "runtime-rules")]
 	{
 		use crate::runtime_rules::runtime_match;
-		let suggest = runtime_match(executable, command, error, shell);
-		if suggest.is_some() {
-			return suggest;
-		}
+		runtime_match(executable, data);
 	}
 
 	#[cfg(feature = "request-ai")]
 	{
+		if !data.candidates.is_empty() {
+			return;
+		}
 		use crate::requests::ai_suggestion;
 		use textwrap::{fill, termwidth};
+		let command = &data.command;
+		let split_command = &data.split;
+		let error = &data.error.clone();
 
 		// skip for commands with no arguments,
 		// very likely to be an error showing the usage
@@ -60,12 +50,52 @@ pub fn suggest_command(data: &Data) -> Option<String> {
 
 				eprintln!("{}\n{}\n", warn, note);
 				let command = suggest.command;
-				return Some(command);
+				data.add_candidate(&command);
 			}
 		}
 	}
+}
 
-	None
+pub fn select_candidate(data: &mut Data) {
+	let candidates = &data.candidates;
+	if candidates.len() == 1 {
+		let suggestion = candidates[0].to_string();
+		let highlighted = highlight_difference(&data.shell, &suggestion, &data.command, false).unwrap();
+		eprintln!("{}\n", highlighted);
+		let confirm = format!("[{}]", t!("confirm-yes")).green();
+		eprintln!("{}: {} {}", t!("confirm"), confirm, "[Ctrl+C]".red());
+		std::io::stdin().read_line(&mut String::new()).unwrap();
+		data.update_suggest(&suggestion);
+		data.expand_suggest();
+	} else {
+		let mut highlight_candidates = candidates
+			.iter()
+			.map(|candidate| highlight_difference(&data.shell, candidate, &data.command, true).unwrap())
+			.collect::<Vec<String>>();
+
+		for candidate in highlight_candidates.iter_mut() {
+			let lines = candidate.lines().collect::<Vec<&str>>();
+			let mut formated = String::new();
+			for (j, line) in lines.iter().enumerate() {
+				if j == 0 {
+					formated = line.to_string();
+				} else {
+					formated = format!("{}\n  {}", formated, line);
+				}
+			}
+			*candidate = formated;
+		}
+
+		let ans = Select::new("Select a suggestion:", highlight_candidates.clone())
+			.prompt()
+			.unwrap();
+		let pos = highlight_candidates.iter().position(|x| x == &ans).unwrap();
+		let suggestion = candidates[pos].to_string();
+		data.update_suggest(&suggestion);
+		data.expand_suggest();
+	}
+
+	data.candidates.clear();
 }
 
 pub fn check_executable(shell: &str, executable: &str) -> bool {
@@ -244,12 +274,7 @@ pub fn compare_string(a: &str, b: &str) -> usize {
 	matrix[a.chars().count()][b.chars().count()]
 }
 
-pub fn confirm_suggestion(data: &Data, highlighted: &str) -> Result<(), String> {
-	eprintln!("{}\n", highlighted);
-	let confirm = format!("[{}]", t!("confirm-yes")).green();
-	eprintln!("{}: {} {}", t!("confirm"), confirm, "[Ctrl+C]".red());
-	std::io::stdin().read_line(&mut String::new()).unwrap();
-
+pub fn confirm_suggestion(data: &Data) -> Result<(), String> {
 	let shell = &data.shell;
 	let command = &data.suggest.clone().unwrap();
 	#[cfg(debug_assertions)]

src/system.rs

@@ -3,7 +3,7 @@ use std::process::Command;
 use std::process::Stdio;
 
 pub fn get_package_manager(shell: &str) -> Option<String> {
-	let package_managers = vec!["pacman", "apt", "dnf"];
+	let package_managers = vec!["pacman"];
 
 	for package_manager in package_managers {
 		let success = Command::new(shell)