#!/bin/sh
user=''
host=''

# Install dependencies
if ! command -v go >/dev/null; then
  brew install go
fi

if ! command -v cronv >/dev/null; then
  go get github.com/takumakanari/cronv/cronv
  go build -o ./cronv github.com/takumakanari/cronv/cronv
  mv ./cronv /usr/local/bin
fi

# Generate crontabs and reports for each user on the host
crontab_path="./crontab/${host}"
mkdir -p "${crontab_path}"

report_path="./report/${host}"
mkdir -p "${report_path}"

for host_user in $(ssh "${user}@${host}" 'cut -f1 -d: /etc/passwd'); do
  crontab_file="${crontab_path}/${host_user}.crontab"

  ssh \
    "${user}@${host}" \
    "sudo crontab -u ${host_user} -l" \
    1>"${crontab_file}"

  if test ! -s "${crontab_file}"; then
    rm "${crontab_file}"
  else
    cronv \
    --duration 1d \
    --from-time '00:00' \
    --title "${host_user}@${host}" \
    --output "${report_path}/${host_user}.html" \
    < "$crontab_file"
  fi
done