#!/bin/bash

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

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

#=================================================
# CHECK VERSION
#=================================================

upgrade_type=$(ynh_check_app_version_changed)

#=================================================
# STANDARD UPGRADE STEPS
#=================================================
# ENSURE DOWNWARD COMPATIBILITY
#=================================================
ynh_script_progression --message="Ensuring downward compatibility..." --weight=1

# If fpm_footprint doesn't exist, create it
if [ -z "${fpm_footprint:-}" ]; then
    fpm_footprint=low
    ynh_app_setting_set --app=$app --key=fpm_footprint --value=$fpm_footprint
fi

# If fpm_usage doesn't exist, create it
if [ -z "${fpm_usage:-}" ]; then
    fpm_usage=low
    ynh_app_setting_set --app=$app --key=fpm_usage --value=$fpm_usage
fi

# If create_account doesn't exist, create it
if [ -z "${create_account:-}" ]; then
    create_account=false
    ynh_app_setting_set --app=$app --key=create_account --value=$create_account
fi

# Removed in dec. 2020
ldap_user=$(ynh_app_setting_get --app=$app --key=ldap_user)
if [[ -n "${ldap_user:-}" ]]; then
    yunohost user delete "$ldap_user"
    ynh_app_setting_delete --app=$app --key=ldap_user
    ynh_app_setting_delete --app=$app --key=ldap_password
fi

#=================================================
# DOWNLOAD, CHECK AND UNPACK SOURCE
#=================================================

if [ "$upgrade_type" == "UPGRADE_APP" ]
then
    ynh_script_progression --message="Upgrading source files..." --weight=4

    # Download, check integrity, uncompress and patch the source from app.src
    ynh_setup_source --dest_dir="$install_dir"
    ynh_setup_source --dest_dir="$install_dir/extensions/LDAPAuthentication2" --source_id="ldap_authentication2"
    ynh_setup_source --dest_dir="$install_dir/extensions/LDAPProvider" --source_id="ldap_provider"
    ynh_setup_source --dest_dir="$install_dir/extensions/PluggableAuth" --source_id="pluggable_auth"

    # ynh_setup_source --dest_dir="$install_dir/extensions/LDAPGroups" --source_id="ldap_groups"
    # ynh_setup_source --dest_dir="$install_dir/extensions/LDAPUserInfo" --source_id="ldap_userinfo"
    # ynh_setup_source --dest_dir="$install_dir/extensions/LDAPAuthorization" --source_id="ldap_authorization"

fi

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

#=================================================
# PHP-FPM CONFIGURATION
#=================================================
ynh_script_progression --message="Upgrading PHP-FPM configuration..." --weight=1

# Create a dedicated PHP-FPM config
ynh_add_fpm_config --phpversion=$phpversion --usage=$fpm_usage --footprint=$fpm_footprint

#=================================================
# NGINX CONFIGURATION
#=================================================
ynh_script_progression --message="Upgrading NGINX web server configuration..." --weight=1

# Create a dedicated NGINX config
ynh_add_nginx_config

#=================================================
# SPECIFIC UPGRADE
#=================================================
# UPDATE A CONFIG FILE
#=================================================
ynh_script_progression --message="Updating a configuration file..." --weight=4

if [ "$path" = "/" ]; then
    # MediaWiki expects a "" for the root URL which is typically assumed to be
    # "/" by other application packages. Therefore, we assume end-users will do
    # this as well and make sure to ensure an "" in all cases where "/" is specified
    mediawiki_path=""
else
    mediawiki_path="$path"
fi

wiki_name_underscorified="${wiki_name//[^a-zA-Z0-9]/_}"

ynh_add_config --template="../conf/LocalSettings.php" --destination="$install_dir/LocalSettings.php"

# Check for admin password being too short for the new mediawiki requirements
password_length=$(ynh_app_setting_get --app=$app --key=password | awk '{print length}')
if (( password_length < 10 )); then
    ynh_print_warn -m "The current admin password is $password_length long. Mediawiki now requires a 10 chars minimum password."
    ynh_print_warn -m "We are adapting the minimum length, but that would be great to change the admin password."
    echo "\$wgPasswordPolicy['policies']['default']['MinimalPasswordLength'] = 10;" >> "$install_dir/LocalSettings.php"
fi

# This is required to update database schemas
"php$phpversion" "$install_dir/maintenance/update.php"

# Set permissions on app files
chown -R $app:www-data "$install_dir"

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

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