#!/bin/bash

# set -o xtrace       ## To debug scripts
# set -o errexit      ## To exit on error
# set -o errunset     ## To exit if a variable is referenced but not set


function main() {
    baseSeriesUrl="${1}"
    r1="${2}"
    r2="${3}"
    videoName="${4}"

    if [ -z $baseSeriesUrl ]; then
        echo "Provide a base url please...."
    fi

    if [ -z $r1 ]; then
        echo "Provide a starting range...."
    fi

    if [ -z $r2 ]; then
        echo "Provide an ending range...."
    fi
    if [ -z $videoName ]; then
        echo "Provide a base video name...."
    fi

    if [ -z $baseSeriesUrl ] || [ -z $r1 ] || [ -z $r2 ] || [ -z $videoName ]; then
        return
    fi

    for (( i = $r1; i <= $r2; i++ )); do
        url=`curl -s "${baseSeriesUrl}"/episode/episode-$i | grep file: | tail -n 1 | awk '{$1=$1};1' | sed 's/file: "//g' | sed 's/",//g'`
        url=`clean-string.py "${url}"`
        echo "curl " ${url} " --output \"${videoName} - 0$i.mp4\"" >> download.sh
    done
}
main $@;