#!/bin/bash

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

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

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

if [ -f "$install_dir/setup.py" ]; then
    # Clean up the whole install_dir except settings.yml
    tmpdir="$(mktemp -d)"
    cp "$install_dir/searx/settings.yml" "$tmpdir"
    ynh_secure_remove "$install_dir"
    mkdir -p "$install_dir"
    chmod 750 "$install_dir"
    chown "$app:" "$install_dir"
    mkdir -p "$install_dir/source/searx"
    cp "$tmpdir/settings.yml" "$install_dir/source/searx"
    ynh_secure_remove --file="$tmpdir"
fi


#=================================================
# DOWNLOAD, CHECK AND UNPACK SOURCE
#=================================================
ynh_script_progression --message="Upgrading source files..." --weight=3

# Download, check integrity, uncompress and patch the source from app.src
ynh_setup_source --dest_dir="$install_dir/source" --full_replace=1 --keep="searx/settings.yml"

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

path_no_root=${path%/}
# Create a dedicated NGINX config
ynh_add_nginx_config "path_no_root"

#=================================================
# SPECIFIC UPGRADE
#=================================================
# UPGRADE SEARX IN ITS VIRTUALENV
#=================================================
ynh_script_progression --message="Upgrading Searx..." --weight=7

_searx_venv_install

ynh_add_config --template="requirements-ynh.txt" --destination="$install_dir/requirements-ynh.txt"

ynh_exec_as "$app" "$venvpy" -m pip install --requirement "$install_dir/requirements-ynh.txt" --no-cache-dir

#=================================================
# CONFIGURE SEARX
#=================================================
# ynh_script_progression --message="Configuring Searx..." --weight=2

# secret_key=$(ynh_string_random)
# ynh_add_config --template="settings.yml" --destination="$install_dir/source/searx/settings.yml"

#=================================================
# CONFIGURE UWSGI FOR SEARX
#=================================================
ynh_script_progression --message="Reconfiguring uWSGI for Searx..." --weight=2

# Clean old files
ynh_secure_remove --file="/etc/uwsgi/apps-enabled/$app.ini"
ynh_secure_remove --file="/etc/uwsgi/apps-available/$app.ini"
ynh_add_uwsgi_service

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

# Wait for searx to be fully started
ynh_systemd_action --service_name="uwsgi-app@$app.service" --action=restart --line_match="spawned uWSGI master process" --log_path="/var/log/uwsgi/$app/$app.log"

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

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