flake.nix

{
  description = "tmux-popr - A popup session manager for tmux";

  inputs = {
    nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
    rust-overlay = {
      url = "github:oxalica/rust-overlay";
      inputs.nixpkgs.follows = "nixpkgs";
    };
    flake-utils.url = "github:numtide/flake-utils";
  };

  outputs = { self, nixpkgs, rust-overlay, flake-utils, ... }:
    flake-utils.lib.eachDefaultSystem (system:
      let
        overlays = [ (import rust-overlay) ];
        pkgs = import nixpkgs {
          inherit system overlays;
        };
        
        rustToolchain = pkgs.rust-bin.stable.latest.default.override {
          extensions = [ "rust-src" "rust-analyzer" ];
        };

        nativeBuildInputs = with pkgs; [
          rustToolchain
          rust-analyzer
          pkg-config
        ];

        buildInputs = with pkgs; [
        ];

        cargoToml = builtins.fromTOML (builtins.readFile ./Cargo.toml);
      in
      {
        packages.default = pkgs.rustPlatform.buildRustPackage {
          pname = cargoToml.package.name;
          version = cargoToml.package.version;
          src = ./.;
          cargoLock.lockFile = ./Cargo.lock;

          buildInputs = buildInputs;
          nativeBuildInputs = nativeBuildInputs;
        };

        devShells.default = pkgs.mkShell {
          inherit buildInputs;
          nativeBuildInputs = nativeBuildInputs ++ (with pkgs; [
            cargo
            clippy
            rustfmt
          ]);

          RUST_SRC_PATH = pkgs.rustPlatform.rustLibSrc;
          
          shellHook = ''
            echo "🦀 Welcome to the tmux-popr development shell!"
            echo "Available commands:"
            echo "  cargo build    - Build the project"
            echo "  cargo test     - Run tests"
            echo "  cargo clippy   - Run the linter"
            echo "  cargo fmt      - Format code"
            echo ""
          '';
        };
      }
    );
}