#!/usr/bin/env bash

set -euo pipefail

cd "$(dirname "${BASH_SOURCE[0]}")"

if [ "$#" -ne 1 ]; then
  echo "Usage: gisto.sh <user>"
  exit 1
fi
#TODO: pagination if more than 100 gists
query_url="users/$1/gists?per_page=100&page=1"

needs() {
  [[ "$(command -v "$1")" ]] || { echo "$1 is not installed" 1>&2; exit 1; }
}
needs git
needs hub
needs jq

gists=$(hub api "$query_url" | jq -rc '.[] | {"id":.id, "url":.git_pull_url, "desc":(.description | tostring | sub("null"; "") | gsub("[/ ]"; "_") | ascii_downcase)}')

for gist in $gists; do
  gist_id=$(echo "$gist" | jq -r '.id')
  gist_url=$(echo "$gist" | jq -r '.url')
  gist_desc=$(echo "$gist" | jq -r '.desc')
  git clone "$gist_url" "${gist_desc:-$gist_id}" || true
done