initial commit

src/install_prompt.rs

@@ -0,0 +1,61 @@
+use std::io::{self, Write};
+
+use crate::{fomod::GroupType, mod_config_installer::GroupPrompt};
+
+pub fn prompt(p: GroupPrompt) -> Vec<usize> {
+    println!("=== {} ===", p.name);
+    println!();
+
+    for option in &p.options {
+        println!(
+            "[{}] {} ({:?}) => {}",
+            option.idx + 1, option.name, option.option_type, option.description
+        );
+    }
+
+    let instruction = match p.select_type {
+        GroupType::SelectExactlyOne => "Select one (enter number)",
+        GroupType::SelectAtLeastOne => "Select one or more (e.g. 1 2 3)",
+        GroupType::SelectAtMostOne => "Select one or none (enter number or 0 for none)",
+        GroupType::SelectAny => "Select any (e.g. 1 2 3, or 0 for none)",
+        GroupType::SelectAll => {
+            println!("  (all options required)");
+            return (0..p.options.len()).collect();
+        }
+    };
+
+    loop {
+        println!("=> {}", instruction);
+        io::stdout().flush().unwrap();
+        let mut input = String::new();
+        io::stdin().read_line(&mut input).unwrap();
+        input.trim().to_string();
+
+        let choices: Vec<usize> = input
+            .split_whitespace()
+            .filter_map(|s| s.parse::<usize>().ok())
+            .filter(|&n| n > 0 && n <= p.options.len())
+            .map(|n| n - 1)
+            .collect();
+
+        let valid = match p.select_type {
+            GroupType::SelectExactlyOne => {
+                choices.len() == 1 // TODO: Check not usable
+            }
+            GroupType::SelectAtLeastOne => {
+                !choices.is_empty() // TODO: Check not usable
+            }
+            GroupType::SelectAtMostOne => {
+                choices.len() <= 1 // TODO: Check not usable
+            }
+            GroupType::SelectAny => true, // TODO: Check selected not usable,
+            GroupType::SelectAll => unreachable!(),
+        };
+
+        if valid {
+            // TODO: Merge required plugins into final selection
+            let final_selection = choices;
+            return final_selection;
+        }
+    }
+}