#!/bin/bash

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

source experimental_helper.sh
source _common.sh
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=$YNH_APP_ARG_ADMIN
admin_pwd=$YNH_APP_ARG_PASSWORD

db_user="pgadmin"
db_pwd=$(ynh_string_random --length 30)
app_version=$(ynh_app_upstream_version)
app_main_version=$(echo $app_version | cut -d'-' -f1)
app_sub_version=$(echo $app_version | cut -d'-' -f2)

app=$YNH_APP_INSTANCE_NAME

pgadmin_user="$app"

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

final_path=/opt/yunohost/$app
test ! -e "$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

# Get user email and check that the user exist
email=$(ynh_user_get_info --username $admin --key 'mail')
if [[ -z $email ]]
then
    ynh_die --message "Can't get user email, check that the user exist or that the user have an email"
fi

#=================================================
# 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=$app --key=admin_pwd --value="$admin_pwd"
ynh_app_setting_set --app=$app --key=db_user --value="$db_user"
ynh_app_setting_set --app=$app --key=db_pwd --value="$db_pwd"

#=================================================
# STANDARD MODIFICATIONS
#=================================================
# INSTALL DEPENDENCIES
#=================================================
ynh_script_progression --message="Installing dependencies..." --weight=7

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=$pgadmin_user --home_dir=$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_script_progression --message="Installing sources files..." --weight=10
setup_dir
install_source

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

# Create a dedicated NGINX config
ynh_add_nginx_config

#=================================================
# SPECIFIC SETUP
#=================================================
# ...
#=================================================

ynh_script_progression --message="Configuring application..."

# CONFIGURE PGADMIN
config_pgadmin

# Config uwsgi
ynh_add_uwsgi_service 'pgadmin_user python_version'

ynh_script_progression --message="Configuring sqlite database..."

# initialisation sqlite database for pgadmin
chmod +x ../conf/setup.exp
set +u;
source $final_path/bin/activate
set -u;
ynh_replace_special_string --match_string "__ADMIN_PASSWORD__" --replace_string "$admin_pwd" --target_file "../conf/setup.exp"
../conf/setup.exp "$final_path/bin/python3" "$final_path/lib/python$python_version/site-packages/pgadmin4/setup.py" "$email"

# POPULATE THE DATABASE
ynh_script_progression --message="Configuring Postgresql database..."
ynh_psql_test_if_first_run
ynh_psql_execute_as_root \
    --sql "CREATE USER ${db_user} WITH PASSWORD '${db_pwd}' SUPERUSER CREATEDB CREATEROLE REPLICATION"

# Add Server In PGadmin database
ynh_replace_string --match_string "__PYTHON_VERSION__" --replace_string "$python_version" --target_file config_database.py
$final_path/bin/python3 config_database.py "$db_user" "$db_pwd"
set +u;
deactivate
set -u;

# Set permission after initialisation
ynh_script_progression --message="Protecting directory"
set_permission

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

ynh_use_logrotate --logfile="/var/log/pgadmin"

#=================================================
# START SYSTEMD SERVICE
#=================================================
ynh_script_progression --message="Starting a systemd service..." --weight=3

ynh_systemd_action --service_name "uwsgi-app@$app.service" --action="restart" --line_match "WSGI app 0 \(mountpoint='[/[:alnum:]_-]*'\) ready in [[:digit:]]* seconds on interpreter" --log_path "/var/log/uwsgi/$app/$app.log"
sleep 10

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

# Restrict access to admin only
ynh_permission_update --permission="main" --remove="all_users" --add=$admin

#=================================================
# 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" --last