#!/bin/bash

#=================================================
# GENERIC START
#=================================================

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

# Exit if an error occurs during the execution of the script
ynh_abort_if_errors

#=================================================
# Dealing with script's variables
#=================================================
# Note: variables are stored in a single location to avoid confusion
# and declaration sequencing issues.
# Arguments from Manifest
domain=$YNH_APP_ARG_DOMAIN
path_url=$YNH_APP_ARG_PATH
is_public=$YNH_APP_ARG_IS_PUBLIC
language=$YNH_APP_ARG_LANGUAGE
app=$YNH_APP_INSTANCE_NAME

# Installer variables
db_name=$(ynh_sanitize_dbid --db_name="$app")
db_pwd=$(ynh_string_random)	# Generate a random password
db_user=$db_name
final_path="/var/www/$app"
_homedir="/var/$app/"

# Find a free port.
# This will only be used:
# - By PUMA to fire app server listening to this port, and
# - Nginx to proxify on this.
port=$(ynh_find_port --port=6001)

#=================================================
# CHECK IF THE APP CAN BE INSTALLED WITH THESE ARGS
#=================================================
ynh_script_progression --message="Validating installation parameters..." --weight=1

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..." --weight=1

ynh_app_setting_set --app="$app" --key=db_name --value="$db_name"
ynh_app_setting_set --app="$app" --key=db_pwd --value="$db_pwd"
ynh_app_setting_set --app="$app" --key=domain --value="$domain"
ynh_app_setting_set --app="$app" --key=final_path --value="$final_path"
ynh_app_setting_set --app="$app" --key=homedir --value="$_homedir"
ynh_app_setting_set --app="$app" --key=is_public --value="$is_public"
ynh_app_setting_set --app="$app" --key=language --value="$language"
ynh_app_setting_set --app="$app" --key=path --value="$path_url"
ynh_app_setting_set --app="$app" --key=port --value="$port"

# Make app public if necessary
[ "$is_public" -eq 1 ] &&	ynh_app_setting_set --app="$app" --key=unprotected_uris --value="/"

#=================================================
# ENVIRONMENT SETUP
#=================================================
# Note: it follows: https://github.com/opf/openproject/blob/stable/10/docs/installation/manual/README.md

#=================================================
# CREATE DEDICATED USER
#=================================================
ynh_script_progression --message="Configuring system user..." --weight=1
ynh_system_user_create --username="$app" --home_dir="$_homedir" -s

#=================================================
# INSTALL DEPENDENCIES
#=================================================
ynh_script_progression --message="Installing dependencies..." --weight=1

ynh_install_app_dependencies "$pkg_dependencies"


#=================================================
# SETUP PROPER RUBY & NODE ENVIRONMENT
#=================================================
ynh_script_progression --message="Setting up Rbenv and Nodenv..." --weight=1

# 1: Ruby
exec_as "$app" git clone -q https://github.com/rbenv/rbenv.git "$_homedir/.rbenv"
exec_as "$app" git clone -q https://github.com/rbenv/ruby-build.git "$_homedir/.rbenv/plugins/ruby-build"

# 2: Node
exec_as "$app" git clone -q https://github.com/nodenv/nodenv.git "$_homedir/.nodenv"
exec_as "$app" git clone -q git://github.com/nodenv/node-build.git "$_homedir/.nodenv/plugins/node-build"

cat >> "$_homedir/.profile" << EOF
export PATH="$_homedir/.nodenv/bin:$_homedir/.rbenv/bin:$PATH"
eval "\$(rbenv init -)"
eval "\$(nodenv init -)"
RAILS_ENV="production"
EOF

chown "$app": "$_homedir/.profile"

ynh_script_progression --message="Setting up Ruby and Node..." --weight=1

# 3: Ruby setup
exec_as "$app" rbenv install 2.6.4 > /dev/null
exec_as "$app" rbenv rehash
exec_as "$app" rbenv global 2.6.4

# 3: Node setup
exec_as "$app" nodenv install 12.11.0 > /dev/null
exec_as "$app" nodenv rehash
exec_as "$app" nodenv global 12.11.0

# Test result
exec_as "$app" ruby --version >/dev/null 2>&1 || ynh_die "Ruby installation failed with rubyenv"
exec_as "$app" node --version >/dev/null 2>&1 || ynh_die "Node installation failed with nodenv"

#=================================================
# DOWNLOAD, CHECK AND UNPACK SOURCE
#=================================================
ynh_script_progression --message="Setting up source files..." --weight=1

# Download, check integrity, uncompress and patch the source from app.src
ynh_setup_source --dest_dir="$final_path"

#=================================================
# NGINX CONFIGURATION
#=================================================
ynh_script_progression --message="Configuring nginx web server..." --weight=1

ynh_add_nginx_config

#=================================================
# OPENPROJECT CONFIGURATION
#=================================================
ynh_script_progression --message="Configuring OpenProject..." --weight=1
exec_as "$app" cat >> "$final_path/config/database.yml" << EOF
production:
  adapter: postgresql
  database: $db_name
  host: localhost
  username: $db_user
  password: $db_pwd
  encoding: unicode
  pool: 5
EOF
ynh_store_file_checksum --file="$final_path/config/database.yml"

#TODO Not sure aout this email sending. To be tested.
exec_as "$app" cat >> "$final_path/config/configuration.yml" << EOF
production:
  # Outgoing emails configuration (see examples above)
  email_delivery_method: :smtp
  smtp_address: localhost
  smtp_port: 25
  smtp_domain: $domain
rails_cache_store: :memcache
EOF
ynh_store_file_checksum --file="$final_path/config/configuration.yml"

#=================================================
# CREATE A POSTGRESQL DATABASE
#=================================================
ynh_script_progression --message="Creating a PostgreSQL database..." --weight=1

ynh_psql_create_user "$db_user" "$db_pwd"
ynh_psql_create_db "$db_name" "$db_user"

#=================================================
# RUBY POST-INSTALL
#=================================================
ynh_script_progression --message="Compiling OpenProject with NPM and RUBYGems..." --weight=1

exec_as "$app" gem update --system

pushd "$final_path"
exec_as "$app" gem install puma
exec_as "$app" bundle install --deployment --without development test therubyracer docker
exec_as "$app" npm install

ynh_script_progression --message="Provisioning assets..." --weight=1

exec_as "$app" ./bin/rake db:create
exec_as "$app" ./bin/rake db:migrate
exec_as "$app" ./bin/rake LOCALE="$language" db:seed
exec_as "$app" ./bin/rake assets:precompile
# shellcheck disable=SC2016
exec_as "$app" 'echo "export SECRET_KEY_BASE=$(./bin/rake secret)"' >> /etc/environment
. /etc/environment

chmod o+x .

popd


#=================================================
# SETUP SYSTEMD
#=================================================
ynh_script_progression --message="Configuring a systemd service..." --weight=1

ynh_add_systemd_config

####=================================================
#### SETUP APPLICATION WITH CURL
####=================================================
###
#### Set right permissions for curl install
###chown -R $app: $final_path
###
#### Set the app as temporarily public for curl call
###ynh_script_progression --message="Configuring SSOwat..." --weight=1
###ynh_app_setting_set --app="$app" --key=skipped_uris --value="/"
#### Reload SSOwat config
###yunohost app ssowatconf
###
#### Reload Nginx
###ynh_systemd_action --service_name=nginx --action=reload
###
##### TODO REMOVE ? # Installation with curl
##### TODO REMOVE ? ynh_script_progression --message="Finalizing installation..." --weight=1
##### TODO REMOVE ? ynh_local_curl "/INSTALL_PATH" "key1=value1" "key2=value2" "key3=value3"
###
#### Remove the public access
###if [ $is_public -eq 0 ]
###then
###	ynh_app_setting_delete --app="$app" --key=skipped_uris
###fi

#=================================================
# GENERIC FINALIZATION
#=================================================
# SETUP LOGROTATE
ynh_script_progression --message="Configuring log rotation..." --weight=1
ynh_use_logrotate

# ADVERTISE SERVICE IN ADMIN PANEL
yunohost service add "$app" --log "/var/log/$app/$app.log"

# START SYSTEMD SERVICE
ynh_script_progression --message="Starting a systemd service..." --weight=1
ynh_systemd_action --service_name="$app" --action="start" --log_path="/var/log/$app/$app.log"

# SETUP FAIL2BAN
ynh_script_progression --message="Configuring fail2ban..." --weight=1

# Create a dedicated fail2ban config
ynh_add_fail2ban_config --logpath="/var/log/nginx/${domain}-error.log" --failregex="Regex to match into the log for a failed login"

#=================================================
# SETUP SSOWAT
#=================================================
ynh_script_progression --message="Configuring SSOwat..." --weight=1


#=================================================
# RELOAD NGINX
#=================================================
ynh_script_progression --message="Reloading nginx web server..." --weight=1

ynh_systemd_action --service_name=nginx --action=reload

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

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