{ config, lib, ... }:

{
	options.modules.fish = {
		enable = lib.mkEnableOption "Fish integration";
		enableDefaultAliases = lib.mkOption {
			type = lib.types.bool;
			default = true;
			description = "Enable default aliases and abbreviations";
		};

		enableStarship = lib.mkOption {
			type = lib.types.bool;
			default = false;
			description = "Enable Starship prompt";
		};

		functions = lib.mkOption {
			type = with lib.types; attrsOf str;
			description = "Fish function definitions";
		};
	};

	config = lib.mkIf config.modules.fish.enable {
  		programs.nix-index = {
  			enable = true;
  			enableFishIntegration = true;
		};

		programs.starship = lib.mkIf config.modules.fish.enableStarship {
			enable = true;
			enableFishIntegration = true;
		};

		programs.fish = {
   			enable = true;
    		interactiveShellInit = ''
				set fish_greeting
				cat ~/.cache/wal/sequences
			'';

			shellAliases = lib.mkIf config.modules.fish.enableDefaultAliases {
				".." = "cd ..";
				"..." = "cd ../..";
				"...." = "cd ../../../";
				"....." = "cd ../../../../";
		
				"cp" = "cp -v";
				"ddf" = "df -h";
				"etc" = "erd -H";
				"mkdir" = "mkdir -p";
				"mv" = "mv -v";
				"rm" = "rm -v";
				"rr" = "rm -rf";

				"neofetch" = "fastfetch";
			};

			shellAbbrs = lib.mkIf config.modules.fish.enableDefaultAliases {
				gaa  = "git add -A";
				ga   = "git add";
				gbd  = "git branch --delete";
				gb   = "git branch";
				gc   = "git commit";
				gcm  = "git commit -m";
				gcob = "git checkout -b";
				gco  = "git checkout";
				gd   = "git diff";
				gl   = "git log";
				gp   = "git push";
				gs   = "git status";
			};
	
			functions = config.modules.fish.functions;
		};
	};
}