#!/bin/bash

#=================================================
# GENERIC START
#=================================================
# IMPORT GENERIC HELPERS
#=================================================

source _common.sh
source ynh_send_readme_to_admin__2
source /usr/share/yunohost/helpers

#=================================================
# MANAGE SCRIPT FAILURE
#=================================================

ynh_clean_setup () {
	# Clean installation remaining that are not handle by the remove script.
	ynh_clean_check_starting
	# Stop change_port()
	ynh_exec_warn_less kill -s 15 $pid_change_port

	# Clean hosts
	sed -i '/#jenkins/d' /etc/hosts
}
# Exit if an error occurs during the execution of the script
ynh_abort_if_errors

#=================================================
# RETRIEVE ARGUMENTS FROM THE MANIFEST
#=================================================

domain=$YNH_APP_ARG_DOMAIN
path_url=$YNH_APP_ARG_PATH
is_public=$YNH_APP_ARG_IS_PUBLIC

jenkins_version=$(ynh_app_upstream_version)

app=$YNH_APP_INSTANCE_NAME

#=================================================
# CHECK IF THE APP CAN BE INSTALLED WITH THESE ARGS
#=================================================
ynh_script_progression --message="Validating installation parameters..."

final_path=/var/lib/$app
test ! -e "$final_path" || ynh_die --message="This path already contains a folder"

# Register (book) web path
ynh_webpath_register --app=$app --domain=$domain --path_url=$path_url

#=================================================
# STORE SETTINGS FROM MANIFEST
#=================================================
ynh_script_progression --message="Storing installation settings..."

ynh_app_setting_set --app=$app --key=domain --value=$domain
ynh_app_setting_set --app=$app --key=path --value=$path_url
ynh_app_setting_set --app=$app --key=overwrite_nginx --value=1
ynh_app_setting_set --app=$app --key=admin_mail_html --value=1

#=================================================
# STANDARD MODIFICATIONS
#=================================================
# FIND AND OPEN A PORT
#=================================================
ynh_script_progression --message="Finding an available port..."

# Find an available port
port=$(ynh_find_port --port=8095)
ynh_app_setting_set --app=$app --key=port --value=$port

#=================================================
# INSTALL DEPENDENCIES
#=================================================
ynh_script_progression --message="Installing dependencies..."

ynh_install_app_dependencies $pkg_dependencies

#=================================================
# CREATE DEDICATED USER
#=================================================
ynh_script_progression --message="Configuring system user..."

# Create a system user
ynh_system_user_create --username=$app --home_dir="$final_path"

#=================================================
# DOWNLOAD, CHECK AND UNPACK SOURCE
#=================================================
ynh_script_progression --message="Setting up source files..."

ynh_app_setting_set --app=$app --key=final_path --value=$final_path
# Download, check integrity, uncompress and patch the source from app.src
ynh_setup_source --dest_dir="../conf"
ynh_setup_source --source_id="jenkins-plugin-manager" --dest_dir="$final_path"

chmod 750 "$final_path"
chmod -R o-rwx "$final_path"
chown -R $app:$app "$final_path"

#=================================================
# NGINX CONFIGURATION
#=================================================
ynh_script_progression --message="Configuring NGINX web server..."

# Create a dedicated NGINX config
ynh_add_nginx_config

#=================================================
# SPECIFIC SETUP
#=================================================
# INSTALL JENKINS
#=================================================
ynh_script_progression --message="Installing Jenkins..."

# Download jenkins deb file and install it.
dpkg --install --force-confnew ../conf/jenkins.deb || true
dpkg_install_failed=$(dpkg-query -f '${status} ${package}\n' -W | awk '$4 ~ /^jenkins.*/ && $3 != "installed" {print $4}' | wc -l)

if [[ $dpkg_install_failed -ge 1 ]]; then
  ynh_print_warn --message="The service jenkins cannot be started for now."
fi

#=================================================
# SETUP APPLICATION
#=================================================
ynh_script_progression --message="Setuping application on port $port..."

cat >> "$final_path/jenkins.install.InstallUtil.lastExecVersion" <<EOF
$jenkins_version
EOF
chown $app:$app "$final_path/jenkins.install.InstallUtil.lastExecVersion"

cat >> "$final_path/jenkins.install.UpgradeWizard.state" <<EOF
$jenkins_version
EOF
chown $app:$app "$final_path/jenkins.install.UpgradeWizard.state"

ynh_replace_string --match_string="Environment=\"JENKINS_PORT=8080\"" --replace_string="Environment=\"JENKINS_PORT=$port\"\nEnvironment=\"JENKINS_PREFIX=$path_url\"" --target_file="/lib/systemd/system/jenkins.service"

systemctl daemon-reload --quiet

ynh_systemd_action --service_name=$app --action="restart" --line_match="Started Jenkins Continuous Integration Server" --log_path="systemd"

if [[ $dpkg_install_failed -ge 1 ]]; then
  dpkg --configure -a
fi

#=================================================
# INSTALL PLUGINS
#=================================================
ynh_script_progression --message="Installing plugins..."

jenkins_plugin_manager="ynh_exec_warn_less java -jar $final_path/jenkins-plugin-manager.jar --war /usr/share/java/jenkins.war --plugin-download-directory=$final_path/plugins"

# Install plugins for http authentication and ldap.
$jenkins_plugin_manager --plugins reverse-proxy-auth-plugin

# Install recommended plugins (those from Setup Wizard)
$jenkins_plugin_manager --plugins cloudbees-folder	# Folders Plugin
$jenkins_plugin_manager --plugins antisamy-markup-formatter	# OWASP Markup Formatter Plugin
$jenkins_plugin_manager --plugins pam-auth	# PAM Authentication plugin
$jenkins_plugin_manager --plugins mailer	# Mailer Plugin
$jenkins_plugin_manager --plugins ldap	# LDAP Plugin
$jenkins_plugin_manager --plugins matrix-auth	# Matrix Authorization Strategy Plugin
$jenkins_plugin_manager --plugins build-timeout	# Build timeout plugin
$jenkins_plugin_manager --plugins credentials-binding	# Credentials Binding Plugin
$jenkins_plugin_manager --plugins timestamper	# Timestamper
$jenkins_plugin_manager --plugins ws-cleanup	# Workspace Cleanup Plugin
$jenkins_plugin_manager --plugins ant	# Ant Plugin
$jenkins_plugin_manager --plugins gradle	# Gradle Plugin
$jenkins_plugin_manager --plugins workflow-aggregator	# Pipeline
$jenkins_plugin_manager --plugins pipeline-stage-view	# Pipeline: Stage View Plugin
$jenkins_plugin_manager --plugins git	# Git plugin
$jenkins_plugin_manager --plugins github-branch-source	# GitHub Branch Source Plugin
$jenkins_plugin_manager --plugins subversion	# Subversion Plug-in
$jenkins_plugin_manager --plugins email-ext	# Email Extension Plugin
$jenkins_plugin_manager --plugins ssh-slaves	# SSH Slaves plugin

# Install extra comfort plugins
# Handle terminal colours. Enhance the readability of the terminal.
$jenkins_plugin_manager --plugins ansicolor
# Monitoring of the local file system. Allow to monitor a directory and trig a job if a file has been modified.
$jenkins_plugin_manager --plugins fstrigger

#=================================================
# ADD A CONFIGURATION
#=================================================
ynh_script_progression --message="Adding a configuration file..."

ynh_add_config --template="../conf/config.xml" --destination="$final_path/config.xml"

chown $app:$app "$final_path/config.xml"

#=================================================
# GENERIC FINALIZATION
#=================================================
# INTEGRATE SERVICE IN YUNOHOST
#=================================================
ynh_script_progression --message="Integrating service in YunoHost..."

yunohost service add $app --description="Jenkins Continuous Integration Server"

#=================================================
# START SYSTEMD SERVICE
#=================================================
ynh_script_progression --message="Starting a systemd service..."

# Start a systemd service
ynh_systemd_action --service_name=$app --action="restart" --line_match="Started Jenkins Continuous Integration Server" --log_path="systemd"

#=================================================
# SETUP SSOWAT
#=================================================
ynh_script_progression --message="Configuring permissions..."

# Make app public if necessary
if [ $is_public -eq 1 ]
then
	# Everyone can access the app.
	# The "main" permission is automatically created before the install script.
	ynh_permission_update --permission="main" --add="visitors"
fi

# /path/github-webhook has to be accessible for github's webhooks
ynh_permission_create --permission="github-webhook" --url="/github-webhook" --allowed="visitors" --show_tile="false" --protected="true"

#=================================================
# RELOAD NGINX
#=================================================
ynh_script_progression --message="Reloading NGINX web server..."

ynh_systemd_action --service_name=nginx --action=reload

#=================================================
# SEND A README FOR THE ADMIN
#=================================================

# Get main domain and buid the url of the admin panel of the app.
admin_panel="https://$(grep portal_domain /etc/ssowat/conf.json | cut -d'"' -f4)/yunohost/admin/#/apps/$app"

echo "You can configure this app easily by using the experimental __URL_TAG1__config-panel feature__URL_TAG2__$admin_panel/config-panel__URL_TAG3__.
You can also find some specific actions for this app by using the experimental __URL_TAG1__action feature__URL_TAG2__$admin_panel/actions__URL_TAG3__.

If you're facing an issue or want to improve this app, please open a new issue in this __URL_TAG1__project__URL_TAG2__https://github.com/YunoHost-Apps/jenkins_ynh__URL_TAG3__." > mail_to_send

ynh_send_readme_to_admin --app_message="mail_to_send" --recipients="root" --type=install

#=================================================
# END OF SCRIPT
#=================================================

ynh_script_progression --message="Installation of $app completed"