github.sh

repo=""
state="all"
type="all"
numerical=false

username=''
githubKey=''

print_usage() {
	echo "Usage: "
	echo "-u [username]  Username for GitHub API"
	echo "-p [key]       Key for GitHub API"
	echo "-r [repo]      Github Repo to use, org/name fashion"
	echo "-s [state]     Issue state to use: all | open | closed | total"
	echo "-t [type]      Issue type: all | pr | issue"
	echo ""
	echo "-n             Output only number"
}

while getopts 'u:p:r:s:t:n' flag; 
do
	case "${flag}" in
		u) username="${OPTARG}" ;;
		p) githubKey="${OPTARG}" ;;
		r) repo="${OPTARG}" ;;
		s) state="${OPTARG}" ;;
		t) type="${OPTARG}" ;;
		n) numerical=true ;;
		*) print_usage
		   exit 1 ;;
	esac
done

if [[ "$repo" == '' ]]; then
	print_usage
	exit 1
fi

if [[ "$state" != 'open' ]] && [[ "$state" != 'closed' ]] && [[ "$state" != 'all' ]] && [[ "$state" != 'total' ]]; then
	print_usage
	exit 1
fi

if [[ "$type" != 'all' ]] && [[ "$type" != 'pr' ]] && [[ "$type" != 'issue' ]]; then
	print_usage
	exit 1
fi

apiState=$state

if [[ $state == "total" ]]; then
	apiState='all'
fi

issuesCount=$(curl --user $username:$githubKey -sI "https://api.github.com/repos/$repo/issues?state=$apiState&page=1&per_page=1" | grep -oi "&page=[0-9]*&per_page=[0-9]*>; rel=\"last\"" | grep -oi "&page=[0-9]*" | grep -oi "[0-9]*$")
hundredCount=$(((issuesCount / 100)))

if [[ $((issuesCount % 100)) != "0" ]]; then
	hundredCount=$((hundredCount + 1))
fi

numberOfOpenIssues=0;
numberOfClosedIssues=0;
numberOfOpenPrs=0;
numberOfClosedPrs=0;

for page in $(seq 1 $hundredCount)
do
	issuePage=$(curl --user $username:$githubKey -s "https://api.github.com/repos/$repo/issues?state=$apiState&page=$page&per_page=100")

	#issuePage=$(cat test3.json)

	for i in $(seq 0 $(jq -r length <<< "${issuePage}"))
	do
		issue=$(jq ".[$i] | {pull_request: .pull_request, state: .state}" <<< "${issuePage}")
		if [[ "$(jq ".pull_request" <<< "${issue}")" != null ]]; then
			if [[ $(jq -r ".state" <<< "${issue}") == "open" ]]; then
				numberOfOpenPrs=$((numberOfOpenPrs + 1))
			else
				numberOfClosedPrs=$((numberOfClosedPrs + 1))
			fi
		else
			if [[ $(jq -r ".state" <<< "${issue}") == "open" ]]; then
				numberOfOpenIssues=$((numberOfOpenIssues + 1))
			else
				numberOfClosedIssues=$((numberOfClosedIssues + 1))
			fi
		fi
	done
done

if [[ $state == "total" ]]; then
	if [[ $type == "issue" ]]; then
		if [[ $numerical == "true" ]]; then
			echo $((numberOfOpenIssues + numberOfClosedIssues))
		else
			echo "Issues: $((numberOfOpenIssues + numberOfClosedIssues))"
		fi
	elif [[ $type == "pr" ]]; then
		if [[ $numerical == "true" ]]; then
			echo $((numberOfOpenPrs + numberOfClosedPrs))
		else
			echo "Prs: $((numberOfOpenPrs + numberOfClosedPrs))"
		fi
	else
		if [[ $numerical == "true" ]]; then
			echo $numberOfOpenIssues
			echo $((numberOfOpenPrs + numberOfClosedPrs))
		else
			echo "Issues: $((numberOfOpenIssues + numberOfClosedIssues))"
			echo "Prs: $((numberOfOpenPrs + numberOfClosedPrs))"
		fi
	fi
fi

if [[ $state == "all" || $state == "open" ]]; then
	if [[ $type == "issue" ]]; then
		if [[ $numerical == "true" ]]; then
			echo $numberOfOpenIssues
		else
			echo "Open Issues: $numberOfOpenIssues"
		fi
	elif [[ $type == "pr" ]]; then
		if [[ $numerical == "true" ]]; then
			echo $numberOfOpenPrs
		else
			echo "Open Prs: $numberOfOpenPrs"
		fi
	else
		if [[ $numerical == "true" ]]; then
			echo $numberOfOpenIssues
			echo $numberOfOpenPrs
		else
			echo "Open Issues: $numberOfOpenIssues"
			echo "Open Prs: $numberOfOpenPrs"
		fi
	fi
fi

if [[ $state == "all" ]]; then
	echo " "
fi

if [[ $state == "all" || $state == "closed" ]]; then
	if [[ $type == "issue" ]]; then
		if [[ $numerical == "true" ]]; then
			echo $numberOfClosedIssues
		else
			echo "Closed Issues: $numberOfClosedIssues"
		fi
	elif [[ $type == "pr" ]]; then
		if [[ $numerical == "true" ]]; then
			echo $numberOfClosedPrs
		else
			echo "Closed Prs: $numberOfClosedPrs"
		fi
	else
		if [[ $numerical == "true" ]]; then
			echo $numberOfClosedIssues
			echo $numberOfClosedPrs
		else
			echo "Closed Issues: $numberOfClosedIssues"
			echo "Closed Prs: $numberOfClosedPrs"
		fi
	fi
fi