_onefetch() {
    local i cur prev opts cmd
    COMPREPLY=()
    if [[ "${BASH_VERSINFO[0]}" -ge 4 ]]; then
        cur="$2"
    else
        cur="${COMP_WORDS[COMP_CWORD]}"
    fi
    prev="$3"
    cmd=""
    opts=""

    for i in "${COMP_WORDS[@]:0:COMP_CWORD}"
    do
        case "${cmd},${i}" in
            ",$1")
                cmd="onefetch"
                ;;
            *)
                ;;
        esac
    done

    case "${cmd}" in
        onefetch)
            opts="-d -e -E -T -t -z -c -a -i -o -l -p -h -V --disabled-fields --no-title --number-of-authors --number-of-languages --number-of-file-churns --churn-pool-size --exclude --no-bots --no-merges --email --http-url --hide-token --include-hidden --type --text-colors --iso-time --number-separator --no-bold --ascii-input --ascii-colors --ascii-language --true-color --image --image-protocol --color-resolution --no-color-palette --no-art --nerd-fonts --output --generate --languages --package-managers --help --version"
            if [[ ${cur} == -* || ${COMP_CWORD} -eq 1 ]] ; then
                COMPREPLY=( $(compgen -W "${opts}" -- "${cur}") )
                return 0
            fi
            case "${prev}" in
                --disabled-fields)
                    COMPREPLY=($(compgen -W "project description head pending version created languages dependencies authors last-change contributors url commits churn lines-of-code size license" -- "${cur}"))
                    return 0
                    ;;
                -d)
                    COMPREPLY=($(compgen -W "project description head pending version created languages dependencies authors last-change contributors url commits churn lines-of-code size license" -- "${cur}"))
                    return 0
                    ;;
                --number-of-authors)
                    COMPREPLY=($(compgen -f "${cur}"))
                    return 0
                    ;;
                --number-of-languages)
                    COMPREPLY=($(compgen -f "${cur}"))
                    return 0
                    ;;
                --number-of-file-churns)
                    COMPREPLY=($(compgen -f "${cur}"))
                    return 0
                    ;;
                --churn-pool-size)
                    COMPREPLY=($(compgen -f "${cur}"))
                    return 0
                    ;;
                --exclude)
                    COMPREPLY=($(compgen -f "${cur}"))
                    return 0
                    ;;
                -e)
                    COMPREPLY=($(compgen -f "${cur}"))
                    return 0
                    ;;
                --no-bots)
                    COMPREPLY=($(compgen -f "${cur}"))
                    return 0
                    ;;
                --type)
                    COMPREPLY=($(compgen -W "programming markup prose data" -- "${cur}"))
                    return 0
                    ;;
                -T)
                    COMPREPLY=($(compgen -W "programming markup prose data" -- "${cur}"))
                    return 0
                    ;;
                --text-colors)
                    COMPREPLY=($(compgen -f "${cur}"))
                    return 0
                    ;;
                -t)
                    COMPREPLY=($(compgen -f "${cur}"))
                    return 0
                    ;;
                --number-separator)
                    COMPREPLY=($(compgen -W "plain comma space underscore" -- "${cur}"))
                    return 0
                    ;;
                --ascii-input)
                    COMPREPLY=($(compgen -f "${cur}"))
                    return 0
                    ;;
                --ascii-colors)
                    COMPREPLY=($(compgen -f "${cur}"))
                    return 0
                    ;;
                -c)
                    COMPREPLY=($(compgen -f "${cur}"))
                    return 0
                    ;;
                --ascii-language)
                    COMPREPLY=($(compgen -W "makefile java agda oz gleam css html ada shell raku holyc coq bash arduino javascript lisp nushell rust solidity vhdl hlsl svg fortranmodern purescript sql fish xsl zig just lua org markdown nim text jsonnet ats typst clojure batch slang emacs-lisp vimscript crystal verilog cuda hcl cmake powershell vue tsx kotlin coldfusion erlang objective-c tex emojicode fortran nix c# c julia modelica systemverilog haskell go groovy slint elm pascal racket svelte ceylon abnf yaml graphql idris webassembly f# protocol-buffers sass vala lean tcl xaml c++ autohotkey visualbasic jupyter-notebooks r php xml jsx dart toml razor ruby json dockerfile typescript processing odin scheme zsh assembly swift d qml forth elixir mojo prolog python gdscript glsl haxe openscad abap llvm perl scala wolfram coffeescript ocaml renpy" -- "${cur}"))
                    return 0
                    ;;
                -a)
                    COMPREPLY=($(compgen -W "makefile java agda oz gleam css html ada shell raku holyc coq bash arduino javascript lisp nushell rust solidity vhdl hlsl svg fortranmodern purescript sql fish xsl zig just lua org markdown nim text jsonnet ats typst clojure batch slang emacs-lisp vimscript crystal verilog cuda hcl cmake powershell vue tsx kotlin coldfusion erlang objective-c tex emojicode fortran nix c# c julia modelica systemverilog haskell go groovy slint elm pascal racket svelte ceylon abnf yaml graphql idris webassembly f# protocol-buffers sass vala lean tcl xaml c++ autohotkey visualbasic jupyter-notebooks r php xml jsx dart toml razor ruby json dockerfile typescript processing odin scheme zsh assembly swift d qml forth elixir mojo prolog python gdscript glsl haxe openscad abap llvm perl scala wolfram coffeescript ocaml renpy" -- "${cur}"))
                    return 0
                    ;;
                --true-color)
                    COMPREPLY=($(compgen -W "auto never always" -- "${cur}"))
                    return 0
                    ;;
                --image)
                    local oldifs
                    if [ -n "${IFS+x}" ]; then
                        oldifs="$IFS"
                    fi
                    IFS=$'\n'
                    COMPREPLY=($(compgen -f "${cur}"))
                    if [ -n "${oldifs+x}" ]; then
                        IFS="$oldifs"
                    fi
                    if [[ "${BASH_VERSINFO[0]}" -ge 4 ]]; then
                        compopt -o filenames
                    fi
                    return 0
                    ;;
                -i)
                    local oldifs
                    if [ -n "${IFS+x}" ]; then
                        oldifs="$IFS"
                    fi
                    IFS=$'\n'
                    COMPREPLY=($(compgen -f "${cur}"))
                    if [ -n "${oldifs+x}" ]; then
                        IFS="$oldifs"
                    fi
                    if [[ "${BASH_VERSINFO[0]}" -ge 4 ]]; then
                        compopt -o filenames
                    fi
                    return 0
                    ;;
                --image-protocol)
                    COMPREPLY=($(compgen -W "kitty sixel iterm" -- "${cur}"))
                    return 0
                    ;;
                --color-resolution)
                    COMPREPLY=($(compgen -W "16 32 64 128 256" -- "${cur}"))
                    return 0
                    ;;
                --output)
                    COMPREPLY=($(compgen -W "json yaml" -- "${cur}"))
                    return 0
                    ;;
                -o)
                    COMPREPLY=($(compgen -W "json yaml" -- "${cur}"))
                    return 0
                    ;;
                --generate)
                    COMPREPLY=($(compgen -W "bash elvish fish powershell zsh" -- "${cur}"))
                    return 0
                    ;;
                *)
                    COMPREPLY=()
                    ;;
            esac
            COMPREPLY=( $(compgen -W "${opts}" -- "${cur}") )
            return 0
            ;;
    esac
}

if [[ "${BASH_VERSINFO[0]}" -eq 4 && "${BASH_VERSINFO[1]}" -ge 4 || "${BASH_VERSINFO[0]}" -gt 4 ]]; then
    complete -F _onefetch -o nosort -o bashdefault -o default onefetch
else
    complete -F _onefetch -o bashdefault -o default onefetch
fi
