move to workspace mode

cli/src/main.rs

@@ -0,0 +1,119 @@
+use argh::FromArgs;
+
+use rand::Rng;
+use sol_lib::board::Board;
+use sol_lib::generator::{self, Puzzle, RandomRange};
+
+fn main() {
+    let args: Args = argh::from_env();
+    if args.generate {
+        let puzzle = generate_puzzle(args.num_pieces, args.solutions);
+        let Some(puzzle) = puzzle else {
+            println!("Failed to generate a puzzle, try adjusting the generation parameters");
+            return;
+        };
+
+        if args.print {
+            print_solutions(puzzle);
+        }
+
+        return;
+    }
+
+    let board = if let Some(board_string) = args.solve_board {
+        Board::from_string(board_string)
+    } else if let Some(board_id) = args.solve {
+        Board::from_id(&board_id)
+    } else {
+        println!("Use --help to see available options");
+        return;
+    };
+    let Ok(board) = board else {
+        println!("Invalid board string/id");
+        return;
+    };
+
+    let puzzle = board.solve();
+    print_solutions(puzzle);
+}
+
+fn print_solutions(puzzle: Puzzle) {
+    puzzle.board.pretty_print();
+    let solutions = puzzle.solutions;
+    if solutions.len() == 0 {
+        println!("No solutions found");
+        return;
+    }
+    let solution = solutions.first().unwrap();
+    let mut idx = 0;
+    solution.iter().for_each(|m| {
+        idx += 1;
+        println!("{}. {}", idx, m.notation());
+    });
+    println!(
+        "There are atleast {} solutions to this puzzle",
+        solutions.len()
+    );
+}
+
+fn generate_puzzle(num_pieces: Option<u32>, num_solutions: Option<u32>) -> Option<Puzzle> {
+    let mut num_pieces = num_pieces.unwrap_or(5);
+    if num_pieces < 2 {
+        num_pieces = 2;
+    }
+
+    let mut num_solutions = num_solutions.unwrap_or(5);
+    if num_solutions < 1 {
+        num_solutions = 5;
+    }
+
+    println!(
+        "Generating a puzzle with {} pieces with a maximum of {} solutions",
+        num_pieces, num_solutions
+    );
+    let gen_result = generator::generate(num_pieces, num_solutions, &RandRngImpl);
+    gen_result.print_stats();
+
+    let Some(puzzle) = gen_result.puzzle() else {
+        println!("Failed to generate a puzzle, try again");
+        return None;
+    };
+
+    Some(puzzle)
+}
+
+/// Solitaire Chess puzzle generator and solver
+/// - v0.0.1 cool-mist
+#[derive(FromArgs)]
+struct Args {
+    #[argh(switch, short = 'g')]
+    /// generate a puzzle
+    generate: bool,
+
+    #[argh(option, short = 'n')]
+    /// number of pieces to place on the board while generating a puzzle
+    num_pieces: Option<u32>,
+
+    #[argh(option)]
+    /// maximum number of solutions allowed for the generated puzzle. atleast 1. defaults to 5
+    solutions: Option<u32>,
+
+    #[argh(switch)]
+    /// print the solution. When solving a puzzle, this is always set to true
+    print: bool,
+
+    #[argh(option, short = 's')]
+    /// the id of the board to solve
+    solve: Option<String>,
+
+    #[argh(option)]
+    /// the board to solve in board representation
+    solve_board: Option<String>,
+}
+
+struct RandRngImpl;
+impl RandomRange for RandRngImpl {
+    fn gen_range(&self, min: usize, max: usize) -> usize {
+        rand::rng().random_range(min..max)
+    }
+}