#!/bin/bash

#=================================================
# GENERIC STARTING
#=================================================
# IMPORT GENERIC HELPERS
#=================================================

source /usr/share/yunohost/helpers

ynh_abort_if_errors

#=================================================
# RETRIEVE ARGUMENTS
#=================================================

install_dir=$(ynh_app_setting_get --app=$app --key=install_dir)
admin=$(ynh_app_setting_get --app=$app --key=admin)
domain=$(ynh_app_setting_get --app=$app --key=domain)
path=$(ynh_app_setting_get --app=$app --key=path)

#=================================================
# SPECIFIC SETTERS FOR TOML SHORT KEYS
#=================================================
set__blogs_list() {

    declare -A domain_array
    declare -A path_array

    default_present=false
    for blog in $(echo $blogs_list | sed "s/,/ /"); do
        id=$(echo $blog | cut -d@ -f1)
        d=$(echo $blog | cut -d@ -f2 | cut -d/ -f1)
        p="/$(echo $blog | cut -d@ -f2 | cut -d/ -f2)"
        [ $id = "default" ] && default_present=true

        domain_array+=([$id]=$d)
        path_array+=([$id]=$p)
    done

    declare -A old_domain_array
    declare -A old_path_array

    for blog in $(echo ${old[blogs_list]} | sed "s/,/ /"); do
        id=$(echo $blog | cut -d@ -f1)
        d=$(echo $blog | cut -d@ -f2 | cut -d/ -f1)
        p="/$(echo $blog | cut -d@ -f2 | cut -d/ -f2)"

        old_domain_array+=([$id]=$d)
        old_path_array+=([$id]=$p)
    done

    # Make sure the default blog is always listed
    domain_array+=(["default"]=$domain)
    path_array+=(["default"]=$path)
    old_domain_array+=(["default"]=$domain)
    old_path_array+=(["default"]=$path)
    if [ $default_present = false ]; then
        if [ -z ${blogs_list:-} ]; then
            blogs_list="default@$domain$path"
        else
            blogs_list+=",default@$domain$path"
        fi
    fi
    
    # https://stackoverflow.com/questions/2312762/compare-difference-of-two-arrays-in-bash
    # Get added and removed blogs
    difference_ids_array=(`echo ${!domain_array[@]} ${!old_domain_array[@]} | tr ' ' '\n' | sort | uniq -u `)
    added_ids_array=(`echo ${!domain_array[@]} ${difference_ids_array[@]} | tr ' ' '\n' | sort | uniq -D | uniq `)
    removed_ids_array=(`echo ${!old_domain_array[@]} ${difference_ids_array[@]} | tr ' ' '\n' | sort | uniq -D | uniq `)

    ynh_print_info --message="Added blogs: ${added_ids_array[@]}"
    ynh_print_info --message="Removed blogs: ${removed_ids_array[@]}"
    
    for id in ${removed_ids_array[@]}; do
        if [ $id != "default" ]; then
            if ynh_permission_exists --permission="$id"; then
                ynh_permission_delete --permission="$id"
            fi
            ynh_secure_remove --file="/etc/nginx/conf.d/${old_domain_array[$id]}.d/$app-$id.conf"
        fi
    done

    for id in ${!domain_array[@]}; do
        if [ $id != "default" ]; then
            if [ "${domain_array[$id]:-}" != "${old_domain_array[$id]:-}" ] ||
               [ "${path_array[$id]:-}" != "${old_path_array[$id]:-}" ]; then
                domain=${domain_array[$id]}
                path=${path_array[$id]}
                [ ! -z ${old_domain_array[$id]:-} ] && ynh_secure_remove --file="/etc/nginx/conf.d/${old_domain_array[$id]}.d/$app-$id.conf"
                ynh_add_config --template="nginx.conf" --destination="/etc/nginx/conf.d/${domain_array[$id]}.d/$app-$id.conf"
            fi

            if ynh_permission_exists --permission="$id"; then
                ynh_permission_url --permission="$id" --url="${domain_array[$id]}${path_array[$id]}"
                ynh_permission_url --permission="${id}-admin" --url="${domain_array[$id]}${path_array[$id]}/admin"
            else
                ynh_permission_create --permission="$id" --url="${domain_array[$id]}${path_array[$id]}" --show_tile=true
                ynh_permission_create --permission="${id}-admin" --url="${domain_array[$id]}${path_array[$id]}/admin" --show_tile=true
            fi
        fi
        
    done
    
    ynh_app_setting_set $app blogs_list $blogs_list
}

#=================================================
# GENERIC FINALIZATION
#=================================================
ynh_app_config_run $1