#!/bin/bash

# Create a dedicated nginx config
#
# usage: ynh_config_add_nginx
#
# This will use a template in `../conf/nginx.conf`
# See the documentation of `ynh_config_add` for a description of the template
# format and how placeholders are replaced with actual variables.
#
# Additionally, ynh_config_add_nginx will replace:
# - `#sub_path_only`      by empty string if `path` is not `'/'`
# - `#root_path_only`     by empty string if `path`  *is*  `'/'`
#
# This allows to enable/disable specific behaviors dependenging on the install
# location
ynh_config_add_nginx() {

    local finalnginxconf="/etc/nginx/conf.d/$domain.d/$app.conf"

    ynh_config_add --template="nginx.conf" --destination="$finalnginxconf"

    if [ "${path:-}" != "/" ]; then
        ynh_replace --match="^#sub_path_only" --replace="" --file="$finalnginxconf"
    else
        ynh_replace --match="^#root_path_only" --replace="" --file="$finalnginxconf"
    fi

    ynh_store_file_checksum "$finalnginxconf"

    ynh_systemctl --service=nginx --action=reload
}

# Remove the dedicated nginx config
#
# usage: ynh_config_remove_nginx
ynh_config_remove_nginx() {
    ynh_safe_rm "/etc/nginx/conf.d/$domain.d/$app.conf"
    ynh_systemctl --service=nginx --action=reload
}


# Regen the nginx config in a change url context
#
# usage: ynh_config_change_url_nginx
ynh_config_change_url_nginx() {

    # Make a backup of the original NGINX config file if manually modified
    # (nb: this is possibly different from the same instruction called by
    # ynh_config_add inside ynh_config_add_nginx because the path may have 
    # changed if we're changing the domain too...)
    local old_nginx_conf_path=/etc/nginx/conf.d/$old_domain.d/$app.conf
    ynh_backup_if_checksum_is_different "$old_nginx_conf_path"
    ynh_delete_file_checksum "$old_nginx_conf_path"
    ynh_safe_rm "$old_nginx_conf_path"

    # Regen the nginx conf
    ynh_config_add_nginx
}