Search and select videos from a YouTube playlist using fzf to play it with mpv

playou.sh

#!/usr/bin/env bash
# Require: yt-dlp, jq, mpv, curl, chafa, fzf

# Description:
# Enter a YouTube playlist URL (save json in /tmp/playlist_title.json)
# Search and select the video titles with fzf
# Play the selected video with mpv
# When the video ends, open fzf again to select the next video
# Author: Kelvinauta | This code was created 100% by a human
trap " exit 1" SIGINT EXIT
INFINITE=1 # set to 0 if you don't want to open fzf again
input="$1"
_help="use: $(basename "$0") <url_youtube_playlist | tmp_file.json>"
[[ -z $input ]] && { echo "$_help" ; exit 1; }
if [[ $input =~ ^http.*$ ]];then
    url=$input
elif [[ -e $input ]]; then
    tmp_file="$input"
else
    echo "wtf is that: ${input}"
    echo ${_help}
    exit 1
fi
function _select(){
    read -r -d '' _cmd_jq <<-'EOF'
    { jq '."{r}"' | jq '{url, title, channel, view_count, duration_string, id}'; }
EOF
    read -r -d '' _jq_img <<-'EOF'
    { jq '."{r}"' | jq -r '.thumbnails.[-1].url' | xargs curl -Ls | chafa --view-size=${FZF_PREVIEW_COLUMNS}x${FZF_PREVIEW_LINES} }
EOF
    local _preview="${_cmd_jq} <${tmp_file} | bat --language=json --color=always --style=plain; ${_jq_img} <${tmp_file}"
    select_title=$(jq -r 'keys[]' "$tmp_file" | fzf --preview "${_preview}" )
    (( $? )) && exit 1
    select_url=$(jq -r ".\"${select_title}\".url" "$tmp_file")
    mpv "$select_url" > /dev/null || {
        echo "Error with: ${select_title}"
        echo "mpv error when open: ${select_url}"
        read -n1 -rp "Quit? [y\n]: " answer
        [[ $answer = [Yy] ]] && exit 1
    }
    [[ $INFINITE ]] && exec "$0" "$tmp_file"
    return 0
}
[[ -v tmp_file ]] && _select
playlist_title=$( yt-dlp --flat-playlist --playlist-items 1 --print "%(playlist_title)s" "$url" )
playlist_title=$(tr "[:upper:]" "[:lower:]" <<< ${playlist_title} | tr -s " " | tr "áéíóúñ" "aeioun" | tr -d -c '[:alnum:][:space:]' | tr " " "-" )
tmp_file="/tmp/${playlist_title}.json"    
[[ ! -e $tmp_file ]] && yt-dlp -j --flat-playlist "$url" | jq -s . | jq 'INDEX(.title)' > "$tmp_file"
_select