#!/bin/bash

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

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

#=================================================
# MANAGE SCRIPT FAILURE
#=================================================

# Exit if an error occurs during the execution of the script
ynh_abort_if_errors

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

app=${YNH_APP_INSTANCE_NAME:-$YNH_APP_ID}

final_path=$(ynh_app_setting_get --app=$app --key=final_path)
encrypt=$(ynh_app_setting_get --app=$app --key=encrypt)
core_backup=$(ynh_app_setting_get --app=$app --key=core_backup)
apps_backup=$(ynh_app_setting_get --app=$app --key=apps_backup)

#=================================================
# SORT OUT THE CONFIG FILE TO HANDLE
#=================================================

file="$1"

if [ "$file" = "Backup_list.conf" ]; then
    config_file="$final_path/Backup_list.conf"
fi

#=================================================
# SPECIFIC ACTION
#=================================================
# RESET THE CONFIG FILE
#=================================================
ynh_script_progression --message="Reseting the config file $file"

# Verify the checksum and backup the file if it's different
ynh_backup_if_checksum_is_different --file="$config_file"

if [ "$file" = "Backup_list.conf" ]
then
    # Get the default file and overwrite the current config
    cp "$final_path/Backup_list.conf.default" "$config_file"

    # Recreate the default config
    backup_dir="/home/yunohost.app/${app}/backup"
    enc_backup_dir="/home/yunohost.app/${app}/encrypted_backup"
    ynh_replace_string --match_string="^backup_dir=.*" --replace_string="backup_dir=$backup_dir" --target_file="$config_file"
    ynh_replace_string --match_string="^enc_backup_dir=.*" --replace_string="enc_backup_dir=$enc_backup_dir" --target_file="$config_file"

    if [ $encrypt -eq 1 ]
    then
        encrypt=true
        passkey="$final_path/passkey"
    else
        encrypt=false
        passkey=na
    fi
    ynh_replace_string --match_string="^encrypt=.*" --replace_string="encrypt=$encrypt" --target_file="$config_file"
    ynh_replace_string --match_string="^cryptpass=.*" --replace_string="cryptpass=$passkey" --target_file="$config_file"

    if [ $core_backup -eq 1 ]
    then
        core_backup=true
    else
        core_backup=false
    fi
    ynh_replace_string --match_string="^ynh_core_backup=.*" --replace_string="ynh_core_backup=$core_backup" --target_file="$config_file"

    if [ $apps_backup -eq 1 ]
    then
        # Add all current applications to the backup
        while read backup_app
        do
            ynh_replace_string --match_string="^ynh_app_backup=$" --replace_string="ynh_app_backup=$backup_app\n&" --target_file="$config_file"
        done <<< "$(yunohost app list -i | grep id: | sed 's/.*id: //')"
    fi
fi

# Calculate and store the config file checksum into the app settings
ynh_store_file_checksum --file="$config_file"

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

ynh_script_progression --message="Execution completed" --last