add 3 distinct outcomes for the game

src/main.rs

@@ -11,10 +11,11 @@ use ratatui::{
     widgets::Paragraph,
 };
 use ratatui::prelude::*;
-use ratatui::widgets::Block;
+use ratatui::widgets::{Block, Borders, BorderType, Wrap};
+use ratatui::widgets::block::{Position, Title};
 use whoami::realname;
 
-use crate::game::Game;
+use crate::game::{Game, GameState};
 use crate::level_widget::LevelWidget;
 // use crate::level_widget::LevelWidget;
 use crate::player::Player;
@@ -96,6 +97,46 @@ fn main() -> Result<()> {
                     }
                     game.player_collects_artifact();
                     game.update_level();
+                    if game.get_game_state() != GameState::RUNNING {
+                        break;
+                    }
+                }
+            }
+        }
+    }
+    loop {
+        let _ = terminal.draw(|frame| {
+            let mut area = frame.size();
+            let w = area.width / 2;
+            let h = area.height / 2;
+            area.x += w - 20;
+            area.y += h - 10;
+            area.width = 40;
+            area.height = 20;
+            let block = Block::default()
+                .title("Game ended")
+                .title(Title::from("Press `q` to quit!").position(Position::Bottom))
+                .borders(Borders::ALL)
+                .border_style(Style::default().fg(Color::White))
+                .border_type(BorderType::Rounded)
+                .style(Style::default().bg(Color::Black));
+            let paragraph = match game.get_game_state() {
+                GameState::RUNNING => {
+                    Paragraph::new("Quitting is for cowards! You'll better try again!")
+                }
+                GameState::LOST => {
+                    Paragraph::new("Sorry, you died in the dungeon. Better luck next time!")
+                }
+                GameState::WON => {
+                    Paragraph::new("Congratulation! You mastered your way through the dungeon and won the game.")
+                }
+            }.block(block).wrap(Wrap { trim: true });
+            frame.render_widget(paragraph, area);
+        });
+        if event::poll(std::time::Duration::from_millis(16))? {
+            if let event::Event::Key(key) = event::read()? {
+                if key.kind == KeyEventKind::Press && key.code == KeyCode::Char('q') {
+                    break;
                 }
             }
         }