Create fp.zsh.It's a prototype for tab completion on zsh.

fp.zsh

@@ -0,0 +1,32 @@
+function fp() {
+#PURPOSE: Wrapper for $(flatpak run)
+
+##check if flatpak is installed and accesible to $PATH
+command -v flatpak >/dev/null 2>&1 || { printf "Flatpak package was not found.\n"; exit 1; }
+
+##check if any flatpak packages are installed
+test "$(flatpak list --all | head -c1 | wc -c)" -eq "0" && { printf "No Flatpak packages are installed.\n"; exit 1; }
+
+##check if an app name was entered
+[ "$#" -eq "0" ] && { printf "%s\n\n%s\n%s\n%s" "Usage: fp [APP] [OPTION]" "INSTALLED APPS:" "$(flatpak list --all)"; exit 1; }
+
+##store reverse dns name for package
+app=$(flatpak list --app | cut -f2 | awk -F. -v app="$1" '(tolower($0) ~ tolower(app))')
+
+##check if entered app name is valid
+[ -z "$app" ] && { printf "Entered app name is invalid.\n"; exit 1; }
+
+##remove app name from "$@" array
+shift 1;
+
+##main
+flatpak run "$app" "$@"
+}
+# Tab completion for Flatpak applications
+function _fp_completion() {
+  local applications
+  applications=($(flatpak list --app | awk -F '\t' '{print $2}'))
+  _arguments '1: :("${applications[@]}")'
+}
+
+compdef _fp_completion fp