#!/bin/bash

SAVEDIR='/home/anon/stuff/2ch'

[[ $1 =~ (.+)/([a-z0-9]+)/res/([0-9]+) ]]

if [ $? != 0 ]
then
    echo "wrong args"
    exit 1
fi

domain=${BASH_REMATCH[1]}
board=${BASH_REMATCH[2]}
num=${BASH_REMATCH[3]}

url="$domain/makaba/mobile.fcgi?task=get_thread&board=$board&thread=$num&num=$num"

mkdir -p "$SAVEDIR/$board/$num"
cd "$SAVEDIR/$board/$num"
if [ $? != 0 ]
then
    echo "cd fail"
    exit 1
fi

wget -O thread.json.new "$url"
if [ $? != 0 ]
then
    echo "wget fail"
    exit 1
fi

jq -r -e '.[] | .files[]?.path' thread.json.new > urls.txt
if [ $? != 0 ]
then
    echo "jq fail, thread doesn't exists?"
    exit 1
fi

mv thread.json.new thread.json

wget --no-clobber --base="$domain/$board/" --input urls.txt
if [ $? != 0 ]
then
    echo "wget fail"
    exit 1
fi

exit 0