#!/bin/bash

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

source _common.sh
source ynh_install_ruby__2
source /usr/share/yunohost/helpers

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

ynh_clean_setup () {
	true
}
# Exit if an error occurs during the execution of the script
ynh_abort_if_errors

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

domain=$YNH_APP_ARG_DOMAIN
path_url="/"
admin=$YNH_APP_ARG_ADMIN
password=$YNH_APP_ARG_PASSWORD

app=$YNH_APP_INSTANCE_NAME

admin_mail=$(ynh_user_get_info --username=$admin --key=mail)

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

final_path=/var/www/$app
test ! -e "$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..." --weight=1

ynh_app_setting_set --app=$app --key=domain --value=$domain
ynh_app_setting_set --app=$app --key=path --value=$path_url

#=================================================
# STANDARD MODIFICATIONS
#=================================================
# INSTALL DEPENDENCIES
#=================================================
ynh_script_progression --message="Installing dependencies..." --weight=5

ynh_exec_warn_less ynh_install_app_dependencies $pkg_dependencies $build_pkg_dependencies
ynh_exec_warn_less ynh_install_ruby --ruby_version=$ruby_version
ynh_exec_warn_less ynh_install_nodejs --nodejs_version=$nodejs_version

#=================================================
# CREATE DEDICATED USER
#=================================================
ynh_script_progression --message="Configuring system user..." --weight=1

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

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

db_name=$(ynh_sanitize_dbid $app)
db_user=$db_name
ynh_app_setting_set --app=$app --key=db_name --value=$db_name
ynh_psql_test_if_first_run
ynh_psql_setup_db --db_user=$db_user --db_name=$db_name
db_pwd=$(ynh_app_setting_get --app=$app --key=psqlpwd)

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

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="$final_path/live"

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

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

# Create a dedicated NGINX config
ynh_add_nginx_config

#=================================================
# SPECIFIC SETUP
#=================================================
# ADD A CONFIGURATION
#=================================================
ynh_script_progression --message="Adding a configuration file..." --weight=1

ynh_add_config --template="../conf/diaspora.yml" --destination="$final_path/live/config/diaspora.yml"
chmod 400 "$final_path/live/config/diaspora.yml"
chown $app:$app "$final_path/live/config/diaspora.yml"

ynh_add_config --template="../conf/database.yml" --destination="$final_path/live/config/database.yml"
chmod 400 "$final_path/live/config/database.yml"
chown $app:$app "$final_path/live/config/database.yml"

#=================================================
# BUILD APP
#=================================================
ynh_script_progression --message="Building app..." --weight=40

pushd $final_path/live
  ynh_use_ruby
  ynh_use_nodejs
  ynh_gem install bundler:$bundler_version
  ynh_exec_as $app $ynh_ruby_load_path $ld_preload script/configure_bundler
  ynh_exec_as $app $ynh_ruby_load_path $ld_preload bin/bundle install --full-index --with=postgresql
  ynh_exec_warn_less ynh_exec_as $app RAILS_ENV=production $ynh_ruby_load_path $ld_preload bin/bundle exec rake db:migrate
  ynh_exec_warn_less ynh_exec_as $app RAILS_ENV=production $ynh_ruby_load_path $ld_preload bin/rake assets:precompile
  ynh_exec_warn_less ynh_exec_as $app RAILS_ENV=production $ynh_ruby_load_path $ld_preload bin/bundle exec rails console << END
user = User.build({username: '$admin', email: '$admin_mail', password: '$password', password_confirmation: '$password' })
user.save
user.seed_aspects
Role.add_admin user.person
END
popd

ynh_exec_warn_less ynh_install_app_dependencies $pkg_dependencies
ynh_package_autoremove

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

ynh_add_systemd_config --service="${app}_sidekiq" --template="diaspora_sidekiq.service"
ynh_add_systemd_config --service="${app}_web" --template="diaspora_web.service"

# tmp files
install -T --mode=0644 -v ../conf/diaspora.tmpfiles.d /etc/tmpfiles.d/${app}.conf
ynh_replace_string --match_string=__APP__ --replace_string=$app --target_file=/etc/tmpfiles.d/${app}.conf

# target unit
install -T --mode=0644 -v ../conf/diaspora.target /etc/systemd/system/${app}.target
ynh_replace_string --match_string=__APP__ --replace_string=$app --target_file=/etc/systemd/system/${app}.target

# reload, create, enable and start stuff
systemctl daemon-reload
systemd-tmpfiles --create
systemctl enable ${app}.target --quiet

#=================================================
# GENERIC FINALIZATION
#=================================================
# INTEGRATE SERVICE IN YUNOHOST
#=================================================
ynh_script_progression --message="Integrating service in YunoHost..." --weight=1

yunohost service add $app.target \
  --log $final_path/live/log/production.log \
        $final_path/live/log/unicorn-stderr.log\
        $final_path/live/log/unicorn-stdout.log\
        $final_path/live/log/sidekiq.log\
  --description "Diaspora service (unicorn web and sidekiq)"

#=================================================
# START SYSTEMD SERVICE
#=================================================
ynh_script_progression --message="Starting a systemd service..." --weight=1

systemctl restart ${app}.target
ynh_systemd_action --service_name=${app}_web.service --action=restart --log_path="$final_path/live/log/production.log" --line_match="successfully configured the federation library"
ynh_systemd_action --service_name=${app}_sidekiq.service --action=restart --log_path="systemd" --line_match="Running in ruby"

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

ynh_permission_update --permission="main" --add="visitors"

#=================================================
# 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