_portprotonqt_completions() {
    local cur prev opts
    COMPREPLY=()
    cur="${COMP_WORDS[COMP_CWORD]}"
    prev="${COMP_WORDS[COMP_CWORD-1]}"

    # Available options
    opts="--fullscreen --debug-level --help -h"

    # Debug level choices
    debug_levels="ALL DEBUG INFO WARNING ERROR CRITICAL"

    case "${prev}" in
        --debug-level)
            # Complete debug levels
            COMPREPLY=( $(compgen -W "${debug_levels}" -- ${cur}) )
            return 0
            ;;
        *)
            ;;
    esac

    # Complete options
    if [[ ${cur} == -* ]]; then
        COMPREPLY=( $(compgen -W "${opts}" -- ${cur}) )
        return 0
    fi
}

complete -F _portprotonqt_completions portprotonqt