#!/bin/sh

file="$1"

find_cache() {
	local CACHE_DIR="${TMPDIR:-$HOME/.cache}/pv_cache"
	[ ! -d "${CACHE_DIR}" ] && mkdir -p "${CACHE_DIR}"
	local FILE_LOC="$(pwd)/${file}"
	local TMP="$(head -c 1024 "$file" | cksum -a md5)"
	#CACHE_F="${CACHE_DIR}/${TMP##* }"
	echo "${CACHE_DIR}/${TMP##* }"
}

cache() {
    exec "$@" "$file" > "${CACHE_F}"
}

case "$(file -Lb --mime-type "$file")" in
    image/*)
        chafa -f sixel -s "$2x$3" --animate off --polite on -t 1 --bg black "$file"
        ;;
    text/*|application/javascript|application/json)
        highlight -O ansi "$file"
        ;;
    application/zstd|application/x-xz|application/gzip|application/x-bzip2|application/zlib)
        CACHE_F="$(find_cache)"
        [ ! -e "${CACHE_F}" ] && tar -tf "$file" > "${CACHE_F}"
        echo "Contents:"
        cat "${CACHE_F}"
        ;;
    application/zip)
        CACHE_F="$(find_cache)"
        [ ! -e "${CACHE_F}" ] && unzip -l "$file" > "${CACHE_F}"
        cat "${CACHE_F}"
        ;;
    application/pdf)
        CACHE_F="$(find_cache)"
        [ ! -e "${CACHE_F}" ] && pdftoppm -png -singlefile "$file" > "${CACHE_F}"
        chafa -f sixel -s "$2x$3" --animate off --polite on -t 1 --bg black "${CACHE_F}"
        ;;
    video/*|audio/*)
        CACHE_F="$(find_cache)"
        [ ! -e "${CACHE_F}" ] && ffmpegthumbnailer -s0 -i "$file" -o "${CACHE_F}"
        chafa -f sixel -s "$2x$3" --animate off --polite on -t 1 --bg black "${CACHE_F}"
        ;;
    application/octet-stream)
        case "$file" in
            *.stl|*.STL)
        	CACHE_F="$(find_cache)"
                [ ! -e "${CACHE_F}" ] && blender -b -P /home/tom/.local/bin/3d-render.py -i "$file" -o "${CACHE_F}"  >/dev/null 2>&1
                chafa -f sixel -s "$2x$3" --animate off --polite on -t 1 --bg black "${CACHE_F}"
                ;;
            *)
        	file -b "$1"
        	;;
        esac
        ;;
    *)
        file -b "$1"
esac