#!/bin/bash

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

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

#=================================================
# STOP SYSTEMD SERVICE
#=================================================
ynh_script_progression --message="Stopping a systemd service..."

for service in "${services[@]}"; do
    ynh_systemd_action --service_name="${app}_${service}" --action="stop" --log_path="systemd"
done
ynh_systemd_action --service_name="uwsgi-app@$app.service" --action="stop" --log_path="systemd"

#=================================================
# ENSURE DOWNWARD COMPATIBILITY
#=================================================
# ynh_script_progression --message="Ensuring downward compatibility..."

#=================================================
# DOWNLOAD, CHECK AND UNPACK SOURCE
#=================================================
ynh_script_progression --message="Upgrading source files..."

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

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

#=================================================
# UPDATE A CONFIG FILE
#=================================================
ynh_script_progression --message="Updating a configuration file..."

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

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

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

pushd "$install_dir"
    ynh_secure_remove --file="${install_dir}/venv"
    ynh_exec_as "$app" python3 -m venv venv
    ynh_exec_as "$app" "$install_dir/venv/bin/python3" -m pip install --upgrade pip
    ynh_exec_as "$app" "$install_dir/venv/bin/python3" -m pip install wheel
    ynh_exec_as "$app" "$install_dir/venv/bin/python3" -m pip install cffi
    ynh_exec_as "$app" "$install_dir/venv/bin/python3" -m pip install psycopg2
    ynh_exec_as "$app" "$install_dir/venv/bin/python3" -m pip install pyyaml
    ynh_exec_as "$app" "$install_dir/venv/bin/python3" -m pip install pygit2
    ynh_exec_as "$app" "$install_dir/venv/bin/python3" -m pip install "jinja2<3.1.0"
    ynh_exec_as "$app" "$install_dir/venv/bin/python3" -m pip install -r requirements.txt

    ynh_add_config --template="alembic.ini" --destination="$install_dir/alembic.ini"
    ynh_exec_as "$app" PAGURE_CONFIG="${install_dir}/pagure.cfg" "$install_dir/venv/bin/python3" alembic upgrade head 2>&1
popd

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

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

#=================================================
# REAPPLY SYSTEM CONFIGURATIONS
#=================================================
ynh_script_progression --message="Upgrading system configurations related to $app..." --weight=1

# Create a dedicated NGINX config
ynh_add_nginx_config

# Create a dedicated systemd config
for service in "${services[@]}"; do
    ynh_add_systemd_config --service="${app}_${service}" --template="pagure_${service}.service"
    yunohost service add "${app}_${service}"
done

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

#=================================================
# START SYSTEMD SERVICE
#=================================================
ynh_script_progression --message="Starting $app's systemd services..."

# Start a systemd service
for service in "${services[@]}"; do
    ynh_systemd_action --service_name="${app}_${service}" --action="start" --log_path="systemd" --line_match="ready"
done

ynh_systemd_action --service_name="uwsgi-app@$app.service" --action="start" --log_path="systemd" --line_match="Started"

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

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