#!/bin/bash

## Should be executable N time in a row with same result.

. lib/common

set -e

DOMAIN=$(relation-get domain)
DATA_DIRS=$(relation-get data_dirs 2>/dev/null | shyaml get-values 2>/dev/null) || true
LOCATION=$(relation-get location 2>/dev/null) || true
CREDS=$(relation-get creds 2>/dev/null) || true
SERVER_ALIAS=$(relation-get server-alias 2>/dev/null) || true

export SERVER_ALIAS

if SSL_CERT_LOCATION=$(relation-get ssl-cert-file 2>/dev/null); then
    SSL_CERT=/etc/ssl/certs/${DOMAIN}.pem
    config-add "\
$MASTER_BASE_CHARM_NAME:
  volumes:
    - ${SSL_CERT_LOCATION}:${SSL_CERT}
"
fi

if SSL_KEY_LOCATION=$(relation-get ssl-key-file 2>/dev/null); then
    SSL_KEY=/etc/ssl/private/${DOMAIN}.key
    config-add "\
$MASTER_BASE_CHARM_NAME:
  volumes:
    - ${SSL_KEY_LOCATION}:${SSL_KEY}
"
fi

if SSL_CA_CERT_LOCATION=$(relation-get ssl-ca-cert-file 2>/dev/null); then
    SSL_CA_CERT=/etc/ssl/cert/${DOMAIN}-ca.pem
    config-add "\
$MASTER_BASE_CHARM_NAME:
  volumes:
    - ${SSL_CA_CERT_LOCATION}:${SSL_CA_CERT}
"
fi

export CREDS
apache_ssl_add "$DOMAIN"

if [ "$LOCATION" ]; then
    if [ -d "$LOCATION" -a ! -d "$LOCATION/.git" ]; then
        err "Hum, location '$LOCATION' does not seem to be a git directory."
        exit 1
    fi

    if ! [ -d "$LOCATION/.git" ]; then
        BRANCH=$(relation-get branch)
        BRANCH=${BRANCH:-master}

        SOURCE=$(relation-get source)
        parent="$(dirname "$LOCATION")"
        (
            mkdir -p "$parent" && cd "$parent"
            git clone -b "$BRANCH" "$SOURCE" "$(basename "$LOCATION")"
        )
    fi
    apache_code_dir "$DOMAIN" "$LOCATION"
else
    mkdir -p "$SERVICE_DATASTORE/var/www/${DOMAIN}" || return 1
    config-add "
$MASTER_BASE_CHARM_NAME:
  volumes:
    - $DATASTORE/$BASE_CHARM_NAME/var/www/${DOMAIN}:/var/www/${DOMAIN}
"
fi

if [ "$DATA_DIRS" ]; then
    apache_data_dir "$DOMAIN" "$DATA_DIRS"
fi