#!/bin/bash

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

source _common.sh
source ynh_redis
source ynh_uwsgi_service__2
source /usr/share/yunohost/helpers

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

ynh_clean_setup () {
	ynh_clean_check_starting
}
# 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
admin=$YNH_APP_ARG_ADMIN
is_public=$YNH_APP_ARG_IS_PUBLIC

app=$YNH_APP_INSTANCE_NAME

secret_key=$(ynh_string_random)
salt_email=$(ynh_string_random)

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

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..."

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=$app --key=admin --value=$admin
ynh_app_setting_set --app=$app --key=secret_key --value=$secret_key
ynh_app_setting_set --app=$app --key=salt_email --value=$salt_email

#=================================================
# STANDARD MODIFICATIONS
#=================================================
# 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"

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

ynh_psql_test_if_first_run

db_name=$(ynh_sanitize_dbid --db_name=$app)
db_user=$db_name
ynh_app_setting_set --app=$app --key=db_name --value=$db_name
ynh_psql_setup_db --db_user=$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..."

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"

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..."

# Create a dedicated NGINX config
ynh_add_nginx_config

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

redis_db=$(ynh_redis_get_free_db)
ynh_app_setting_set --app=$app --key=redis_db --value=$redis_db

ynh_add_config --template="../conf/pagure.cfg.sample" --destination="$final_path/pagure.cfg"

chmod 400 "$final_path/pagure.cfg"
chown $app:$app "$final_path/pagure.cfg"

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

# Create a dedicated systemd config
ynh_add_systemd_config --service="${app}_authorized_keys_worker" --template="pagure_authorized_keys_worker.service"
ynh_add_systemd_config --service="${app}_ci" --template="pagure_ci.service"
#ynh_add_systemd_config --service="${app}_ev_server" --template="pagure_ev_server.service"
ynh_add_systemd_config --service="${app}_gitolite_worker" --template="pagure_gitolite_worker.service"
ynh_add_systemd_config --service="${app}_loadjson" --template="pagure_loadjson.service"
ynh_add_systemd_config --service="${app}_logcom" --template="pagure_logcom.service"
#ynh_add_systemd_config --service="${app}_milters" --template="pagure_milters.service"
ynh_add_systemd_config --service="${app}_mirror" --template="pagure_mirror.service"
ynh_add_systemd_config --service="${app}_webhook" --template="pagure_webhook.service"
ynh_add_systemd_config --service="${app}_worker" --template="pagure_worker.service"

ynh_add_config --template="../conf/pagure.wsgi" --destination="$final_path/pagure.wsgi"
ynh_add_uwsgi_service --service="$app" --template="uwsgi.ini"

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

pushd "$final_path"
	python3 -m venv venv
	source ./venv/bin/activate
	pip install --upgrade pip
	pip install wheel
	pip install cffi
	pip install psycopg2
	pip install pyyaml
	pip install pygit2==0.27
	pip install -r requirements.txt
	mkdir -p "${final_path}"/lcl/{repos,remotes,attachments,releases}
	ynh_add_config --template="../conf/alembic.ini" --destination="$final_path/alembic.ini"
	PAGURE_CONFIG=${final_path}/pagure.cfg python createdb.py --initial alembic.ini
popd

ynh_replace_string --match_string="validators.Required" --replace_string="validators.DataRequired" --target_file="$final_path/pagure/forms.py"

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

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

yunohost service add ${app}_authorized_keys_worker
yunohost service add ${app}_ci
#yunohost service add ${app}_ev_server
yunohost service add ${app}_gitolite_worker
yunohost service add ${app}_loadjson
yunohost service add ${app}_logcom
#yunohost service add ${app}_milters
yunohost service add ${app}_mirror
yunohost service add ${app}_webhook
yunohost service add ${app}_worker

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

# Start a systemd service
ynh_systemd_action --service_name=${app}_authorized_keys_worker --action="start" --log_path="systemd" --line_match="ready"
ynh_systemd_action --service_name=${app}_ci --action="start" --log_path="systemd" --line_match="ready"
#ynh_systemd_action --service_name=${app}_ev_server --action="start" --log_path="systemd" --line_match="ready"
ynh_systemd_action --service_name=${app}_gitolite_worker --action="start" --log_path="systemd" --line_match="ready"
ynh_systemd_action --service_name=${app}_loadjson --action="start" --log_path="systemd" --line_match="ready"
ynh_systemd_action --service_name=${app}_logcom --action="start" --log_path="systemd" --line_match="ready"
#ynh_systemd_action --service_name=${app}_milters --action="start" --log_path="systemd" --line_match="ready"
ynh_systemd_action --service_name=${app}_mirror --action="start" --log_path="systemd" --line_match="ready"
ynh_systemd_action --service_name=${app}_webhook --action="start" --log_path="systemd" --line_match="ready"
ynh_systemd_action --service_name=${app}_worker --action="start" --log_path="systemd" --line_match="ready"
ynh_systemd_action --service_name="uwsgi-app@$app.service" --action="start" --log_path="systemd" --line_match="Started"

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

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

ynh_systemd_action --service_name=nginx --action=reload

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

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