#!/bin/bash

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

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=$YNH_APP_ARG_DOMAIN
path_url="/"
admin=$YNH_APP_ARG_ADMIN
export app_version=$YNH_APP_ARG_VERSION
oca=$YNH_APP_ARG_OCA
admin_password=$YNH_APP_ARG_ADMIN_PASSWORD
lang=$YNH_APP_ARG_LANG
tz=$YNH_APP_ARG_TZ

export app=$YNH_APP_INSTANCE_NAME

export conf_file=/etc/$app/main.conf
export preinstall=0

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

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

export bin_file="$final_path/venv/bin/python3 $final_path/$appname/$FORKNAME-bin"
if [ "$app_version" = "9" ]; then
    bin_file="$final_path/venv/bin/python3 $final_path/$appname/$FORKNAME.py"
fi
if [ "$app_version" = "8" ]; then
    bin_file="$final_path/venv/bin/python3 $final_path/$appname/$FORKNAME.py"
fi

# 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=$app --key=app_version --value=$app_version
ynh_app_setting_set --app=$app --key=oca --value=$oca
ynh_app_setting_set --app=$app --key=lang --value=$lang
ynh_app_setting_set --app=$app --key=tz --value=$tz
ynh_app_setting_set --app=$app --key=conf_file --value=$conf_file

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

# Find an available port
port=$(ynh_find_port --port=8069)
ynh_app_setting_set --app=$app --key=port --value=$port

# Find an available port
port_chat=$(ynh_find_port --port=8072)
ynh_app_setting_set --app=$app --key=port_chat --value=$port_chat

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

ynh_exec_warn_less 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..."

export db_name=$(ynh_sanitize_dbid --db_name=$app)
db_user=$db_name
ynh_app_setting_set --app=$app --key=db_name --value=$db_name

# Make sure that postgresql is installed and running
ynh_psql_test_if_first_run

# Create the database
ynh_psql_setup_db --db_user=$db_user --db_name=$db_name
export db_pwd=$(ynh_app_setting_get --app=$app --key=psqlpwd)

# Make sure that its encoding is UTF-8
ynh_psql_execute_as_root --sql="update pg_database set encoding = pg_char_to_encoding('UTF8') where datname = '$db_name'"

#=================================================
# 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
setup_files

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

# Create a dedicated NGINX config
ynh_add_nginx_config

#=================================================
# SPECIFIC SETUP
#=================================================
# ADD SWAP
#=================================================
ynh_script_progression --message="Adding swap..."

ynh_add_swap --size=$swap_needed

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

if ! wkhtmltopdf --version | grep "wkhtmltopdf 0.12.4 (with patched qt)"; then
    # The debian package has a bug so we deploy a more recent version
    if [ -f '../manifest.json' ] ; then
        ynh_setup_source /usr/
    else
        OLD_YNH_CWD=$YNH_CWD
        YNH_CWD=$YNH_CWD/../settings/conf
        ynh_setup_source /usr/
        YNH_CWD=$OLD_YNH_CWD
    fi
fi
pushd $final_path
    if grep "python3" $final_path/$appname/$FORKNAME-bin ; then
        python3 -m venv venv
        venv/bin/pip3 install wheel
        venv/bin/pip3 install -r $appname/requirements.txt
    else
        virtualenv venv
        venv/bin/pip install wheel
        venv/bin/pip install -r $appname/requirements.txt
    fi
popd

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

# Create a dedicated systemd config
ynh_add_systemd_config

#=================================================
# SETUP DATABASE
#=================================================
ynh_script_progression --message="Setuping the database..."

setup_database

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

yunohost service add $app --log="/var/log/$app.log"

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

# Start a systemd service
ynh_systemd_action --service_name=$app --action="start" --log_path="/var/log/$app.log"

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

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

# Only the admin can access the admin panel of the app (if the app has an admin panel)
ynh_permission_create --permission="admin" --url="/web/database/manager" --allowed="all_users"

#=================================================
# 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"