#!/bin/bash
set -e 

force=$1

function safe_copy () {
    if [ ! -f /etc/yunohost/installed ]; then
        sudo cp $1 $2
    else
        if [[ "$force" == "True" ]]; then
            sudo yunohost service safecopy \
              -s nginx \
              $1 $2 \
              --force
        else
            sudo yunohost service safecopy \
              -s nginx \
              $1 $2
        fi
    fi
}

cd /usr/share/yunohost/templates/nginx

# Copy plain single configuration files
files="ssowat.conf
global.conf
yunohost_admin.conf
yunohost_admin.conf.inc
yunohost_api.conf.inc
yunohost_panel.conf.inc"

for file in $files; do
    safe_copy $file /etc/nginx/conf.d/$file
done


if [ -f /etc/yunohost/installed ]; then

    need_restart=False
    domain_list=$(sudo yunohost domain list --output-as plain)

    # Copy a configuration file for each YunoHost domain
    for domain in $domain_list; do
        sudo mkdir -p /etc/nginx/conf.d/$domain.d
        cat server.conf.sed \
          | sed "s/{{ domain }}/$domain/g" \
          | sudo tee $domain.conf
        [[ $(safe_copy $domain.conf /etc/nginx/conf.d/$domain.conf | tail -n1) == "True" ]] \
          && need_restart=True

        [ -f /etc/nginx/conf.d/$domain.d/yunohost_local.conf ] \
          && [[ $main_domain != $domain ]] \
          && sudo yunohost service saferemove -s nginx \
              /etc/nginx/conf.d/$domain.d/yunohost_local.conf
    done


    # Copy 'yunohost.local' to the main domain conf directory
    main_domain=$(cat /etc/yunohost/current_host)
    safe_copy yunohost_local.conf \
      /etc/nginx/conf.d/$main_domain.d/yunohost_local.conf


    # Remove old domains files
    for file in /etc/nginx/conf.d/*.*.conf; do
        domain=$(echo $file \
                  | sed 's|/etc/nginx/conf.d/||' \
                  | sed 's|.conf||')
        [[ $domain_list =~ $domain ]] \
          || ($(sudo yunohost service saferemove -s nginx $file) == "True" \
            && (rm -r /etc/nginx/conf.d/$domain.d || true))
    done

else
    [ ! -f /etc/nginx/sites-available/default ] \
      || rm -f /etc/nginx/sites-enabled/default
    need_restart=True
fi

# Restart if need be
[[ "$need_restart" == "True" ]] \
  && sudo service nginx restart \
  || sudo service nginx reload