#!/bin/bash

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

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

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

ynh_clean_setup () {
# Clean installation remaining that are not handle by the remove script.
    ynh_clean_check_starting
}
# Exit if an error occurs during the execution of the script
ynh_abort_if_errors

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

app=$YNH_APP_INSTANCE_NAME

final_path=$(ynh_app_setting_get --app=$app --key=final_path)
domain=$(ynh_app_setting_get --app=$app --key=domain)
path_url=$(ynh_app_setting_get --app=$app --key=path)
port=$(ynh_app_setting_get --app=$app --key=port)
always_encrypt=$(ynh_app_setting_get --app=$app --key=always_encrypt)
secret=$(ynh_app_setting_get --app=$app --key=secret)

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

file="$1"

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

#=================================================
# SPECIFIC ACTION
#=================================================
# RESET THE CONFIG FILE
#=================================================
ynh_script_progression --message="Resetting the config file $config_file..." --weight=9

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

if [ "$file" = "lutim.conf" ]
then
    # Get the default file and overwrite the current config
    cp /etc/yunohost/apps/$app/conf/lutim.conf.template "$config_file"

    # Recreate the default config
    ynh_replace_string --match_string="__DOMAIN__" --replace_string="$domain" --target_file="$config_file"
    ynh_replace_string --match_string="__PATH__" --replace_string="$path_url" --target_file="$config_file"
    ynh_replace_string --match_string="__PORT__" --replace_string="$port" --target_file="$config_file"
    ynh_replace_string --match_string="__ENCRYPT__" --replace_string="$always_encrypt" --target_file="$config_file"
    ynh_replace_string --match_string="__SECRET__" --replace_string="$secret" --target_file="$config_file"
    # Set the number of process for Lutim to twice the number of CPU core.
    ynh_replace_string --match_string="__WORKERS__" --replace_string="$(( $(nproc) * 2 ))" --target_file="$final_path/lutim.conf"
fi

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

ynh_script_progression --message="Restarting Lutim..." --weight=5

# Wait for lutim to be fully started
ynh_systemd_action --action=restart --line_match="Manager.*started" --log_path="/var/log/$app/production.log" --timeout="120"

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

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