#!/usr/bin/env bash

set -e

SSH_DEPLOY_TARGET=$1
SSH_DEPLOY_TARGET="${SSH_DEPLOY_TARGET:-"missingtarget"}"

SSH_PRIVATE_KEY=$2
SSH_PRIVATE_KEY="${SSH_PRIVATE_KEY:-"missingkey"}"

GOTO_FAIL=false

if [ "$SSH_DEPLOY_TARGET" = "missingtarget" ]; then
  echo "SSH target for web deployment job is unset!"
  GOTO_FAIL=true
fi

if [ "$SSH_PRIVATE_KEY" = "missingkey" ]; then
  echo "SSH key for web deployment job is unset!"
  GOTO_FAIL=true
fi

if [ "$GOTO_FAIL" = true ]; then
  return 1  
fi

IFS='@' read -ra TARGET_COMPONENTS <<< "$SSH_DEPLOY_TARGET"

SSH_DEPLOY_TARGET_USER="${TARGET_COMPONENTS[0]:-"missinguser"}"

IFS=':' read -ra TARGET_COMPONENTS <<< "$TARGET_COMPONENTS"

SSH_DEPLOY_TARGET_HOST="${TARGET_COMPONENTS[0]:-"missinghost"}"
SSH_DEPLOY_TARGET_PATH="${TARGET_COMPONENTS[1]:-"missingpath"}"

## Add the SSH key stored in SSH_PRIVATE_KEY variable to the agent store
## We're using tr to fix line endings which makes ed25519 keys work
## without extra base64 encoding.
## https://gitlab.com/gitlab-examples/ssh-private-key/issues/1#note_48526556
##
echo "$SSH_PRIVATE_KEY" | tr -d '\r' | ssh-add -
##
## Use ssh-keyscan to scan the keys of your private server. Replace gitlab.com
## with your own domain name. You can copy and repeat that command if you have
## more than one server to connect to.

mkdir -p ~/.ssh
chmod 700 ~/.ssh
ssh-keyscan $SSH_DEPLOY_TARGET_HOST >> ~/.ssh/known_hosts
chmod 644 ~/.ssh/known_hosts

scp www.zip "$SSH_DEPLOY_TARGET"
ssh "$SSH_DEPLOY_TARGET_USER@$SSH_DEPLOY_TARGET_HOST" "cd $SSH_DEPLOY_TARGET_PATH && unzip -o www.zip && rm -f www.zip"