feat: add initial cli implementation

src/display.rs

@@ -0,0 +1,55 @@
+use colored::Colorize;
+
+use crate::model::{Priority, Todo};
+
+pub fn print_todo(todo: &Todo) {
+    let id = format!("{:>3}", todo.id).dimmed();
+
+    let priority = match todo.priority {
+        Priority::Critical => "CRIT".red().bold(),
+        Priority::High => "high".red(),
+        Priority::Medium => " med".yellow(),
+        Priority::Low => " low".dimmed(),
+    };
+
+    let done_mark = if todo.is_done() { "[x]" } else { "[ ]" };
+
+    let text = if todo.is_done() {
+        todo.text.strikethrough().dimmed().to_string()
+    } else {
+        todo.text.clone()
+    };
+
+    let tags = if todo.tags.is_empty() {
+        String::new()
+    } else {
+        todo.tags
+            .iter()
+            .map(|t| format!("#{t}"))
+            .collect::<Vec<_>>()
+            .join(" ")
+            .blue()
+            .to_string()
+    };
+
+    let project = todo
+        .project_short()
+        .map(|p| format!("({})", p).dimmed().to_string())
+        .unwrap_or_default();
+
+    println!("{id} {done_mark} [{priority}] {text} {tags} {project}");
+}
+
+pub fn print_todo_list(todos: &[Todo]) {
+    if todos.is_empty() {
+        println!("{}", "no todos found".dimmed());
+        return;
+    }
+
+    for todo in todos {
+        print_todo(todo);
+    }
+
+    let count = todos.len();
+    println!("{}", format!("\n{count} item(s)").dimmed());
+}