#!/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..." --weight=1

if [ ! -d "$install_dir/libreto/.git" ]; then
    # Move git repository one step down"
    mkdir "$install_dir/__new__"
    find "$install_dir" -mindepth 1 -maxdepth 1 -not -name "__new__" -print0 | xargs -0 mv -t "$install_dir/__new__"
    mv "$install_dir/__new__" "$install_dir/libreto"
fi

#=================================================
# DOWNLOAD, CHECK AND UNPACK SOURCE
#=================================================
ynh_script_progression --message="Upgrading source files..." --weight=5

chown -R $app:www-data "$install_dir"

# Download, check integrity, uncompress and patch the source from app.src
ynh_exec_as "$app" git -C "$install_dir/libreto" checkout master
ynh_exec_as "$app" git -C "$install_dir/libreto" pull --quiet
ynh_exec_as "$app" git -C "$install_dir/libreto" checkout "$COMMIT" --quiet
ynh_exec_as "$app" git -C "$install_dir/libreto" submodule update --init --recursive --quiet

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

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

ynh_backup_if_checksum_is_different --file="$install_dir/config.php"

provider="__PROVIDER__"
default_provider="framapad"
commented_provider="// CUSTOM_PROVIDER"
if [ "$etherpad_instance" != "https://annuel2.framapad.org" ]; then
    provider="${domain%%.*}"
    default_provider="$provider"
    commented_provider=""
fi
ynh_add_config --template="config.dist.php" --destination="$install_dir/libreto/config.php"

chown "$app:www-data" "$install_dir/libreto/config.php"

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

# Create a dedicated PHP-FPM config
ynh_add_fpm_config --usage=low --footprint=low

# Create a dedicated NGINX config
ynh_add_nginx_config

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

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