#!/usr/bin/env fish
# Not meant to actually be executable in fish, but it looks like lf config
# uses fish syntax, so the shebang helps treesitter highlighting properly

## LF VARS

set shellopts '-eu' # Treat undefined env vars as errors.  Exit upon error.
set ifs "\n"
set scrolloff 10
set icons # Use icons
set period 1 # Poll directory status every X seconds
set hiddenfiles ".*:*.aux:*.log:*.bbl:*.bcf:*.blg:*.run.xml"
set cleaner '~/.config/lf/cleaner' # Clear preview
set previewer '~/.config/lf/previewer' # Make preview
set autoquit true

## MAPPINGS

# LF control mappings
map <c-r> reload
map <c-s> set hidden!
map <enter> shell

# Opening commands
map l open
map L open new_window
map o $mimeopen --ask "$f"

# CRUD commands
map D delete
map N push :mkdir<space>
map n push :touch<space>
map u extract
map Y $printf "%s" "$fx" | xclip -selection clipboard

# Renaming commands
map A :rename; cmd-end # at the very end
map a :rename; cmd-right # after extension
map c push A<c-u> # new rename
map i :rename # before extension
map I :rename; cmd-home # at the very beginning

# Fuzzy finding
map <c-f> $lf -remote "send $id select \"$(fzf)\""
map F broot_jump

## COMMAND DEFINITIONS

cmd touch %touch $1 && lf -remote "send $id load" && lf -remote "send $id select $1"

cmd mkdir %mkdir $1 && lf -remote "send $id load" && lf -remote "send $id select $1"

cmd delete ${{
	clear; tput cup $(($(tput lines)/3)); tput bold
	set -f
	printf "%s\n\t" "$fx"
	printf "delete?[y/N]"
	read ans
	[ $ans = "y" ] && rm -rf -- $fx
}}

cmd extract ${{
	clear; tput cup $(($(tput lines)/3)); tput bold
	set -f
	printf "%s\n\t" "$fx"
	printf "extract?[y/N]"
	read ans
	[ $ans = "y" ] && aunpack $fx
}}

cmd broot_jump ${{
  f=$(mktemp)
  res="$(broot --outcmd $f && cat $f | sed 's/cd //')"
  rm -f "$f"
  if [ -f "$res" ]; then
    cmd="select"
  elif [ -d "$res" ]; then
    cmd="cd"
  fi
  lf -remote "send $id $cmd \"$res\""
}}

cmd open ${{
    # Set $new_window based on arguments
    test ! -z $@ && test "$@" = "new_window" && new_window=1

    case $(file --mime-type "$(readlink -f $f)" -b) in
    application/json|\
    application/x-subrip|\
	application/pgp-encrypted|\
    inode/x-empty|\
    text/*)
        test -v new_window \
            && ($TERMINAL -e $SHELL -c "$EDITOR \"$fx\"" >/dev/null 2>&1 &) \
            || ($EDITOR $fx)
        ;;
    audio/*|video/x-ms-asf) 
        mpv --audio-display=no $f ;;
	video/*) 
        setsid -f mpv $f -quiet >/dev/null 2>&1 ;;
    application/epub*|\
    application/octet-stream|\
    application/pdf|\
    application/postscript|\
    application/vnd.djvu|\
    image/vnd.djvu)
        setsid -f $(test ! -v new_window && echo devour) zathura $fx >/dev/null 2>&1
        ;;
    image/*) 
        find . -maxdepth 1 -type f -exec file -i {} \; | 
        grep -E 'image/.*' | 
        awk -F: '{ print substr($0, 1, length($0) - length($NF) - 1) }' |
        rotdir $f |
		setsid -f $(test ! -v new_window && echo devour) nsxiv -aio 2>/dev/null |
        while read -r file; do
			[ -z "$file" ] && continue
			lf -remote "send select \"$file\""
			lf -remote "send toggle"
		done &
		;;
    application/octet-stream|\
    application/vnd.ms-powerpoint|\
    application/vnd.oasis.opendocument.database|\
    application/vnd.oasis.opendocument.formula|\
    application/vnd.oasis.opendocument.graphics|\
    application/vnd.oasis.opendocument.graphics-template|\
    application/vnd.oasis.opendocument.presentation|\
    application/vnd.oasis.opendocument.presentation-template|\
    application/vnd.oasis.opendocument.spreadsheet|\
    application/vnd.oasis.opendocument.spreadsheet-template|\
    application/vnd.oasis.opendocument.text|\
    application/vnd.openxmlformats-officedocument.presentationml.presentation|\
    application/vnd.openxmlformats-officedocument.spreadsheetml.sheet|\
    application/vnd.openxmlformats-officedocument.wordprocessingml.document)
        setsid -f $(test ! -v new_window && echo devour) libreoffice $fx >/dev/null 2>&1
        ;;
    *)
        # test -v new_window \
        #     && () \
        #     || ()
        ;;
    esac
}}

cmd open_new_window ${{
    new_window=1 && cmd open
}}