#!/usr/bin/env sh
# CLR=$(for i in {0..7}; do echo "tput setaf $i"; done)
BLK=\$(tput setaf 0); RED=\$(tput setaf 1); GRN=\$(tput setaf 2); YLW=\$(tput setaf 3); BLU=\$(tput setaf 4);
MGN=\$(tput setaf 5); CYN=\$(tput setaf 6); WHT=\$(tput setaf 7); BLD=\$(tput bold); RST=\$(tput sgr0);

AWK_COLOR_VAR=" -v BLK=${BLK} -v RED=${RED} -v GRN=${GRN} -v YLW=${YLW} -v BLU=${BLU} -v MGN=${MGN} -v CYN=${CYN} -v WHT=${WHT} -v BLD=${BLD} -v RST=${RST}"

FZF_FLATPAK_HELP="$(
    cat <<-EOF

      ${BLU}${BLD}Fzf-Flatpak.sh

      ${BLU}${BLD}M-f M-i     ${RST}${CYN}Install apps (flathub repo)
      ${BLU}${BLD}M-f M-u     ${RST}${CYN}Uninstall apps
      ${BLU}${BLD}M-f M-r     ${RST}${CYN}Run apps

      ${BLU}${BLD}M-?         ${RST}${CYN}Help (this page)
      ${BLU}${BLD}ESC         ${RST}${CYN}Exit
EOF
)"

if [[ $- =~ i ]]; then
    #-----------------------------------------------------------------------------------------------------------------------------------------------------------------
    _fzf_flatpak_fzf() {
        fzf-tmux -p85% -- \
            --tiebreak=begin \
            -m --ansi --nth=1.. \
            --color='header:italic:underline' \
            --color='fg+:blue,border:blue' \
            --layout=reverse --height=50% --border \
            --preview-window "nohidden,50%,<50(down,60%,border-rounded)" \
            --bind "del:execute(flatpak remove --unused > /dev/tty; read -r)" \
            --bind="alt-?:preview(printf \"${FZF_FLATPAK_HELP}\")"  "$@"
    }

    _fzf_flatpak_check() {
        which flatpak > /dev/null 2>&1 && return

        [[ -n $TMUX ]] && tmux display-message "Flatpak Isn't Installed"
        return 1
    }

    __fzf_flatpak=${BASH_SOURCE[0]:-${(%):-%x}}
    __fzf_flatpak=$(readlink -f "$__fzf_flatpak" 2> /dev/null || /usr/bin/ruby --disable-gems -e 'puts File.expand_path(ARGV.first)' "$__fzf_flatpak" 2> /dev/null)

    _fzf_flatpak_install() {
        _fzf_flatpak_check || return
        flatpak remote-ls flathub --cached --columns=app,name,description 2>/dev/null \
            | awk -v cyn=$(tput setaf 6) -v blu=$(tput setaf 4) -v bld=$(tput bold) -v res=$(tput sgr0) \
            '{
    app_info="";
    for(i=3;i<=NF;i++){
      app_info=app_info" "$i
        }; print blu bld $2" -" res cyn app_info "|" $1}' \
            | column -t -s "|" -R 3 \
            | _fzf_flatpak_fzf  \
            --prompt=" Install > " \
            --header=$'M-u: Update / Del: Remove Unused \n\n' \
            --preview "flatpak --system remote-info flathub {-1} | awk $AWK_COLOR_VAR -F\":\" '{print YLW BLD \$1 RST MGN \$2}'" \
            --bind="alt-u:execute(flatpak update > /dev/tty; read -r)" \
            --bind="alt-m:change-preview(flatpak metadata {-1})" \
            --bind "enter:execute(flatpak install flathub {+-1} > /dev/tty)+clear-screen" "$@"
    }

    # _fzf_flatpak_remotes?() {
    # flatpak remotes --columns=name | tail -n +1
    # }

    # _fzf_flatpak_format_installed_lists() {
    #   local color1 color2 bold reset
    #   color1="$1"
    #   color2="$2"
    #   bold="$(tput bold)"
    #   reset="$(tput sgr0)"
    #   awk -v c1="$color1" -v c2="$color2" -v bld="$bold" -v res="$reset" \
        #   '{
    #     app_id="";
    #     for(i=2;i<=NF;i++){
    #       app_id=app_id" "$i
    #     }; print bld c1 app_id " && - " res c2 $1}' \
        #   | column -t -s "&&"
    # }

    _fzf_flatpak_installed_lists() {
        awk -v cyn=$(tput setaf 6) -v blu=$(tput setaf 4) -v bld=$(tput bold) -v res=$(tput sgr0)  \
            '{
    app_id="";
    for(i=2;i<=NF;i++){
      app_id=app_id" "$i
        }; print bld cyn app_id " && - " res blu $1}' \
            | column -t -s "&&"
    }

    _fzf_flatpak_uninstall_lists() {
        awk -v mgn=$(tput setaf 5) -v red=$(tput setaf 1) -v bld=$(tput bold) -v res=$(tput sgr0)  \
            '{
    app_id="";
    for(i=2;i<=NF;i++){
      app_id=app_id" "$i
        }; print bld mgn app_id " && - " res red $1}' \
            | column -t -s "&&"
    }

    _fzf_flatpak_installed_lists-applications() {
        flatpak list --app --columns=application,name | _fzf_flatpak_installed_lists
    }

    _fzf_flatpak_uninstall_lists_with_runtimes() {
        flatpak list --columns=application,name | _fzf_flatpak_uninstall_lists
    }

    # `flatpak run` only accepts one argument so it isn't possible to run multiple apps
    _fzf_flatpak_fzf_installed_lists() {
        _fzf_flatpak_fzf \
            --header=$'M-u: Uninstall / Del: Remove Unused / F4: Kill / M-r: Run\n\n' \
            --bind "f4:execute(flatpak kill {+-1})" \
            --bind "alt-r:change-prompt( Run > )+execute-silent(touch /tmp/run && rm -r /tmp/uns)" \
            --bind "alt-u:change-prompt( Uninstall > )+execute-silent(touch /tmp/uns && rm -r /tmp/run)" \
            --bind "enter:execute(
    if [ -f /tmp/uns ]; then
      flatpak uninstall {+-1} > /dev/tty;
    elif [ -f /tmp/run ]; then
      flatpak run {-1} > /dev/null;
    fi
        )" "$@"
        rm -f /tmp/{uns,run} &> /dev/null
    }

    _fzf_flatpak_uninstall() {
        _fzf_flatpak_check || return
        touch /tmp/uns
        _fzf_flatpak_uninstall_lists_with_runtimes | _fzf_flatpak_fzf_installed_lists \
            --prompt=" Uninstall > " \
            --preview  "flatpak info {-1} | awk $AWK_COLOR_VAR -F\":\" '{print RED BLD  \$1 RST MGN \$2}'" \
        }

    _fzf_flatpak_run_apps() {
        _fzf_flatpak_check || return
        touch /tmp/run
        _fzf_flatpak_installed_lists-applications | _fzf_flatpak_fzf_installed_lists \
            --prompt=" Run > " \
            --preview  "flatpak info {-1} | awk $AWK_COLOR_VAR -F\":\" '{print CYN BLD  \$1 RST BLU \$2}'" \
        }

    if [[ -n "${BASH_VERSION:-}" ]]; then
        __fzf_flatpak_init() {
            bind '"\er": redraw-current-line'
            local o
            for o in "$@"; do
                bind '"\M-f\M-'${o:0:1}'": "`_fzf_flatpak_'$o'`\e\M-e\er"'
                bind '"\M-f'${o:0:1}'": "`_fzf_flatpak_'$o'`\e\M-e\er"'
            done
        }
    elif [[ -n "${ZSH_VERSION:-}" ]]; then
        __fzf_flatpak_join() {
            local item
            while read item; do
                echo -n "${(q)item} "
            done
        }

        __fzf_flatpak_init() {
            local o
            zle
            for o in "$@"; do
                eval "fzf-flatpak-$o-widget() { local result=\$(_fzf_flatpak_$o | __fzf_flatpak_join); zle && { zle reset-prompt; zle -R }; LBUFFER+=\$result }"
                eval "zle -N fzf-flatpak-$o-widget"
                eval "bindkey '^[f^[${o[1]}' fzf-flatpak-$o-widget"
                eval "bindkey '^[f[${o[1]}' fzf-flatpak-$o-widget"
            done
        }
    fi
    __fzf_flatpak_init install uninstall run_apps
    #-----------------------------------------------------------------------------------------------------------------------------------------------------------------
fi