#!/bin/bash

# launch Uzbl once per each URI in stdin

. "$(ffoom path)" || exit 3
ffoo import pretty
ffoo import inigrep

SATURNIN_XURIS_NOTIFICATIONS=true
SATURNIN_XURIS_LIMIT=100
SATURNIN_XURIS_ALWAYS_RUN=false
SATURNIN_XURIS_UNIQ=true
SATURNIN_XURIS_CHOICE="${SATURNIN_XURIS_CHOICE:-false}"

usage() {
    mkusage "[-u|--uniq] [-a|--always-run] [-l|--limit N] [-c|--choose] [-C|--choice-cmd COMMAND]"
}

maybe_uniq() {
    $SATURNIN_XURIS_UNIQ || { cat; return; }
    sort | uniq
}

notify() {
    $SATURNIN_XURIS_NOTIFICATIONS || return 0
    local summary="saturnin-xuris"
    local body="$1"
    notify-send -a saturnin-xuris "$summary" "$body"
}

open_from() {
    local list="$1"
    local count=$(wc -l <"$list")

    test "$count" -gt $SATURNIN_XURIS_LIMIT && {
        notify "too much URIs; giving up: $count > $SATURNIN_XURIS_LIMIT"
        return 1
    }

    test "$count" -eq 0 && {
        $SATURNIN_XURIS_ALWAYS_RUN && $SATURNIN_XURIS_BIN &
        return 0
    }

    while read uri;
    do
        $SATURNIN_XURIS_BIN "$uri" &
    done < "$list"
}

while true; do case $1 in
    -a|--always-run) SATURNIN_XURIS_ALWAYS_RUN=true; shift ;;
    -b|--bin)        SATURNIN_XURIS_BIN="$2"; shift; shift ;;
    -c|--choose)     SATURNIN_XURIS_CHOICE="inigrep -j -p xuris.browsers | saturnin dmenu"; shift ;;
    -C|--choice-cmd) SATURNIN_XURIS_CHOICE="$2"; shift; shift ;;
    -l|--limit)      SATURNIN_XURIS_LIMIT=$2; shift; shift ;;
    -u|--uniq)       SATURNIN_XURIS_UNIQ=true;       shift ;;
    -U|--no-uniq)    SATURNIN_XURIS_UNIQ=false;      shift ;;
    -*)       usage ;;
    "")       break ;;
    *)        usage ;;
esac done

debug -v SATURNIN_XURIS_ALWAYS_RUN \
         SATURNIN_XURIS_CHOICE \
         SATURNIN_XURIS_LIMIT \
         SATURNIN_XURIS_UNIQ

SATURNIN_XURIS_URI_LIST=$(mktemp -t saturnin-xuris.XXXXXXXX)
cat | maybe_uniq | grep . >"$SATURNIN_XURIS_URI_LIST"

# choice of URI has been made; we may try to use dmenu
bash -n <<<"$SATURNIN_XURIS_CHOICE"
SATURNIN_XURIS_BIN=$(eval "$SATURNIN_XURIS_CHOICE")
SATURNIN_XURIS_BIN="${SATURNIN_XURIS_BIN:-$(inigrep -j -1 -p xuris.default_browser)}"

debug -v SATURNIN_XURIS_BIN

open_from "$SATURNIN_XURIS_URI_LIST"
rm "$SATURNIN_XURIS_URI_LIST"