#!/usr/bin/env bash
# NO_ZSH
# YES_BASH
# NO_DASH
# NO_ASH

sc_shorten() {
    REPLY="${1:2:2}${1:5:2}${1:8:2}${1:11:12}"
}

# http://stackoverflow.com/a/10797966
uri_encode() {
    REPLY="$(echo -En "$@" | curl -Gso /dev/null -w %{url_effective} --data-urlencode @- "")"
    REPLY="${REPLY:2}"
}

copy_scr() {
    local fn="$1"
    local short="$(basename $fn)"
    local r='20\d\d-\d\d-\d\d_\d\d\d\d\d\d\d\d.(png|jpg)'
    grep -Pq "$r" <<<"$short" || return 1

    ea put "$fn" "$short"
    sc_shorten "$short"
    uri_encode "$REPLY"
    REPLY="$EA_DOMAIN/s/$REPLY"
    return 0
}

copy_tmp() {
    local fn="$1"
    local short="$(basename "$fn")"

    ea put "$fn" "$short"
    uri_encode "$short"
    REPLY="$EA_DOMAIN/t/$REPLY"
    return 0
}

sc() { ### @-
    ### upload given files to a webserver and return a direct link for sharing them.
    ### you'll want to tweak this if you use it yourself.
    ### this contains some extra logic for screenshots created by `scropt`.
    ###
    ### **TODO:** consider renaming because sc(1) already exists.
    if [ -n "${ZSH_VERSION:-}" ]; then
        # syntax is too different to bother tbh
        echo "please run with bash"
        return 1
    fi
    which xsel &>/dev/null || {
        echo "please install xsel"
        return 1
    }

    local clipboard="" f=
    for f; do
        f="$(readlink -f "$f")"
        if [ ! -e "$f" ]; then
            continue
        fi
        copy_scr "$f" || copy_tmp "$f"
        clipboard="$clipboard"$'\n'"$REPLY"
    done
    xsel -b <<<"${clipboard:1}"
    return 0
}

[ -n "${preload+-}" ] || . ~/sh/preload || exit 2
eval ${preload:-preload} ea
[ -n "${preload+-}" ] || sc "$@"