#!/bin/bash

#################################################
#
# IPTV channel maker (all playlists)
#
# Usage:
#     ./download-all.sh
#     ./make-pls.sh "disney"
#
# 1st argument is channel name pattern.
#
# To save output in file use redirection:
#     ./make-pls.sh "disney" > disney.m3u8
#
# Anthony Axenov (c) 2022
# The MIT License:
# https://github.com/anthonyaxenov/iptv/blob/master/LICENSE
#
#################################################

TOOLS_DIR="$( cd -- "$( dirname -- "${BASH_SOURCE[0]:-$0}"; )" &> /dev/null && pwd 2> /dev/null; )";
DL_DIR="$TOOLS_DIR/downloaded"
[ ! -d "$DL_DIR" ] && echo "Error: 'tools/downloaded' directory does not exist. Run tools/download-all.sh" && exit 1
[ ! "$(ls -A "$DL_DIR")" ] && echo "Error: 'tools/downloaded' directory is empty. Run tools/download-all.sh" && exit 2

channel="$1"
playlist="$2"

regex_ch="^#extinf:\s*-?[01]\s*.*,(.*${channel,,}.*)"
regex_url="^https?:\/\/.*$"

found_count=0
found_last=0

echo "#EXTM3U"
echo "# Autogenerated at `date +%d.%m.%Y`"
echo "# https://github.com/anthonyaxenov/iptv"
echo

for file in ./downloaded/*; do
    while read line; do
        if [[ "${line,,}" =~ $regex_ch ]]; then
            echo -e "$line"
            ((found_count += 1))
            found_last=$found_count
        fi
        if [ $found_last -gt 0 ]; then
            if [[ "${line,,}" =~ $regex_url ]]; then
                echo -e "$line\n"
                found_last=0
            fi
        fi
    done < $file
done