#! /bin/bash

#all variables :P
AID="0"
ARTIST=""
IMG=""
OLD=""
OLDINFO=""
declare -a SARRAY

function getArtistName {
	wget -q --keep-session-cookies --load-cookies=./cookies.txt --save-cookies=./cookies.txt -U "Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.8.1.12) Gecko/20080201 Firefox/2.0.0.12" "http://what.cd/artist.php?action=edit&artistid=$AID" -O files/$AID
	ARTIST=$( grep "<h2>Edit " files/$AID | sed 's/.*id=.*\">\(.*\)<\/a>.*/\1/' )
}

function getInfo {
	wget -q --keep-session-cookies --load-cookies=./cookies.txt --save-cookies=./cookies.txt -U "Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.8.1.12) Gecko/20080201 Firefox/2.0.0.12" --no-check-certificate "http://last.fm/music/$ARTIST/+wiki?action=edit" -O - | 
	perl -0777 -lne 'print for m[id="wikitextarea">(.*?)</textarea>]sg' | 
	perl -0777 -lpe 's/\[.*?]//g' | 
	sed -e 's/\&quot;/\"/g' > information/$AID

	IMG=$( wget -q --keep-session-cookies --load-cookies=./cookies.txt --save-cookies=./cookies.txt -U "Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.8.1.12) Gecko/20080201 Firefox/2.0.0.12" --no-check-certificate "http://last.fm/music/$ARTIST/+wiki?action=edit" -O - |
	grep imgHolder | grep -o 'src=".*[png|jpg|jpeg|gif]"' | 
	sed 's/src="\(.*\)" alt.*/\1/' )
}

function getOldImg {
	OLD=$( wget -q --keep-session-cookies --load-cookies=./cookies.txt --save-cookies=./cookies.txt -U "Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.8.1.12) Gecko/20080201 Firefox/2.0.0.12" --no-check-certificate "http://what.cd/artist.php?action=edit&artistid=$AID" -O - | 
	grep "name=\"image\""  | sed 's/.*value=\"\(.*\)\".*/\1/' )
}

function getOldInfo {
	OLDINFO=$( wget -q --keep-session-cookies --load-cookies=./cookies.txt --save-cookies=./cookies.txt -U "Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.8.1.12) Gecko/20080201 Firefox/2.0.0.12" --no-check-certificate "http://what.cd/artist.php?id=$AID" -O - | 
	perl -0777 -lne 'print for m[class="body">(.*?)</div>]sg' )
}

function postInfo {
	getOldImg
	wget -q --keep-session-cookies --load-cookies=./cookies.txt --save-cookies=./cookies.txt -U "Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.8.1.12) Gecko/20080201 Firefox/2.0.0.12" --post-data="body=$( cat ./information/$AID | sed 's/\&amp;/and/g' )&image=$OLD&summary=automatically.generated.description&action=edit" --no-check-certificate "http://what.cd/artist.php?action=edit&artistid=$AID" && 
	rm artist*
}

function postIMG {
	wget -q --keep-session-cookies --load-cookies=./cookies.txt --save-cookies=./cookies.txt -U "Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.8.1.12) Gecko/20080201 Firefox/2.0.0.12" --post-data="image=$IMG&summary=automatically.generated.image&action=edit" --no-check-certificate "http://what.cd/artist.php?action=edit&artistid=$AID" && 
	rm artist*
}

function getSimilars {
	COUNT=0
	wget -q http://last.fm/music/$ARTIST -O - |
	grep "<img width=\"50\" src=\"http://user" | 
	sed 's/.*alt=\"\(.*\)\".*/\1/g' > array
	exec 10<array
	while read LINE <&10; do
		SARRAY[$COUNT]=$LINE
		((COUNT++))
	done
	exec 10>&-
	rm array
}

function postSimilars {
	for (( i=0; i<${#SARRAY[@]}; i++ )); do
	wget -q --keep-session-cookies --load-cookies=./cookies.txt --save-cookies=./cookies.txt -U "Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.8.1.12) Gecko/20080201 Firefox/2.0.0.12" --post-data="action=add_similar&artistid=$AID&submit=+&artistname=${SARRAY[i]}" --no-check-certificate "http://what.cd/artist.php?id=$AID" 
	rm artist*
	SARRAY[$i]=""
	done				
}

for i in `seq 10066 45000`; do
	AID=$i
	getArtistName
	echo -e "\nArtist: $ARTIST found with AID: $AID"
	if [ "$ARTIST" != "" ]; then
		getInfo
	#the rest is going to go inside a loop that happens if there is last.fm data
	#that we've downloaded, otherwise we're wasting our time and resources, eh?
		if [ "$( cat information/$AID )" != "" ]; then
			getOldImg
			if [ "$OLD" = "" ]; then
				if [ "$IMG" != "" ]; then
					postIMG
					echo "Added image for $ARTIST"
				else
					echo "No image on last.fm!"
				fi
			else
				echo "Image for $ARTIST already exists!"
			fi
			getOldInfo
			if [ "$OLDINFO" = "" ]; then
				postInfo
				echo "Added information for $ARTIST"
			else
				echo "Information for $ARTIST already exists on what.cd!"
			fi
			getSimilars
			postSimilars
			echo "Similar Artists for $ARTIST added!"
		else 
			echo "No information for artist found!"
		fi
	fi
done