#!/bin/bash

# launch Uzbl once per each URI in stdin

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

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

FFOO_DEBUG=true

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

get_i3_wsname() {
    #
    # Get current workspace name
    #
    i3-msg -t get_workspaces \
      | jq '.[] | {focused, name}' \
      | grep -F -A 1 'focused": true' \
      | grep name \
      | cut -d\" -f4
}

enum_bins() {
    echo uzbl-browser
    echo vimb
    echo firefox
    echo opera-rh
    echo opera-beta
    echo opera
    echo wget
}

decide_bin() {
    #
    # Decide what browser to use
    #
    local context="$(hostname -s)/$(get_i3_wsname)"
    debug -v context
    case "$context" in
        hugo/*)         echo vimb ;;
        fullmoon/*)     echo uzbl-browser ;;
        *)              echo uzbl-browser ;;
    esac
}

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="enum_bins | 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:-$(decide_bin)}"

debug -v SATURNIN_XURIS_BIN

open_from "$SATURNIN_XURIS_URI_LIST"
rm "$SATURNIN_XURIS_URI_LIST"