#!/bin/bash

#=================================================
# GENERIC START
#=================================================
# IMPORT GENERIC HELPERS
#=================================================

source _common.sh
source /usr/share/yunohost/helpers
# Overload the helper ynh_handle_getopts_args to have fixes from unstable.
# Needed for composer helpers
source _getopts_fix.sh

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

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

#=================================================
# RETRIEVE ARGUMENTS FROM THE MANIFEST
#=================================================

domain=$YNH_APP_ARG_DOMAIN
path_url=$YNH_APP_ARG_PATH
admin_ampache=$YNH_APP_ARG_ADMIN
is_public=$YNH_APP_ARG_IS_PUBLIC

app=$YNH_APP_INSTANCE_NAME

#=================================================
# CHECK IF THE APP CAN BE INSTALLED WITH THESE ARGS
#=================================================
ynh_print_info "Validating installation parameters..."

final_path=/var/www/$app
test ! -e "$final_path" || ynh_die "This path already contains a folder"

# Normalize the url path syntax
path_url=$(ynh_normalize_url_path $path_url)

# Register (book) web path
ynh_webpath_register $app $domain $path_url

#=================================================
# STORE SETTINGS FROM MANIFEST
#=================================================
ynh_print_info "Storing installation settings..."

ynh_app_setting_set $app domain $domain
ynh_app_setting_set $app path $path_url
ynh_app_setting_set $app admin $admin_ampache
ynh_app_setting_set $app is_public $is_public

#=================================================
# STANDARD MODIFICATIONS
#=================================================
# INSTALL DEPENDENCIES
#=================================================
ynh_print_info "Installing dependencies..."

ynh_install_app_dependencies libav-tools php-cli

#=================================================
# CREATE A MYSQL DATABASE
#=================================================
ynh_print_info "Creating a MySQL database..."

db_name=$(ynh_sanitize_dbid $app)
ynh_app_setting_set $app db_name $db_name
ynh_mysql_setup_db $db_name $db_name

#=================================================
# DOWNLOAD, CHECK AND UNPACK SOURCE
#=================================================
ynh_print_info "Setting up source files..."

ynh_app_setting_set $app final_path $final_path
# Download, check integrity, uncompress and patch the source from app.src
ynh_setup_source "$final_path"

#=================================================
# NGINX CONFIGURATION
#=================================================
ynh_print_info "Configuring nginx web server..."

# Create a dedicated nginx config
ynh_add_nginx_config

#=================================================
# CREATE DEDICATED USER
#=================================================
ynh_print_info "Configuring system user..."

# Create a system user
ynh_system_user_create $app

#=================================================
# PHP-FPM CONFIGURATION
#=================================================
ynh_print_info "Configuring php-fpm..."

# Create a dedicated php-fpm config
ynh_add_fpm_config

#=================================================
# SPECIFIC SETUP
#=================================================
# CONFIGURE AMPACHE
#=================================================
ynh_print_info "Preconfiguring ampache..."

conf_file="$final_path/config/ampache.cfg.php"
cp ../conf/ampache.cfg.php "$conf_file"

ynh_replace_string "__DBUSER__" "$db_name" "$conf_file"
ynh_replace_string "__DBPWD__" "$db_pwd" "$conf_file"
ynh_replace_string "__DBNAME__" "$db_name" "$conf_file"
ynh_replace_string "__PATHTOCHANGE__" "$path_url" "$conf_file"
ynh_replace_string "__DOMAINTOCHANGE__" "$domain" "$conf_file"
secret_key=$(ynh_string_random 24)
ynh_replace_string "__RANDOMKEYTOCHANGE__" "$secret_key" "$conf_file"
ynh_app_setting_set $app secret_key $secret_key

# Calculate and store the config file checksum into the app settings
ynh_store_file_checksum "$conf_file"

#=================================================
# LOAD DEFAULT DATABASE
#=================================================

# Load default ampache database
ynh_mysql_connect_as $app $db_pwd $app < "$final_path/sql/ampache.sql"

#=================================================
# INSTALL AMPACHE WITH COMPOSER
#=================================================
ynh_print_info "Installing ampache with composer..."

# Install composer
ynh_install_composer

ynh_exec_warn_less ynh_composer_exec --commands=\"install --prefer-source --no-dev\"

#=================================================
# INSTALL MULTIMEDIA DIRECTORIES
#=================================================

ynh_multimedia_build_main_dir

#=================================================
# PRE CONFIGURE AMPACHE
#=================================================
ynh_print_info "Configuring ampache..."

# Set the app as temporarily public for curl call
ynh_app_setting_set $app unprotected_uris "/"
# Reload SSOwat config
yunohost app ssowatconf

# Reload Nginx
systemctl reload nginx

ynh_local_curl /update.php?action=update
sleep 1

#=================================================
# LOAD ADMIN DATABASE
#=================================================

cp ../conf/admin.sql /tmp/
ynh_replace_string "__ADMIN__" "$admin_ampache" /tmp/admin.sql

ynh_mysql_connect_as "$app" "$db_pwd" "$app" < /tmp/admin.sql

ynh_secure_remove /tmp/admin.sql

#=================================================
# GENERIC FINALIZATION
#=================================================
# SECURE FILES AND DIRECTORIES
#=================================================

# Set permissions to ampache directory
chown -R $app: $final_path

#=================================================
# SETUP SSOWAT
#=================================================
ynh_print_info "Configuring SSOwat..."

# Keep app public if necessary
if [ $is_public -eq 0 ]
then
	ynh_app_setting_delete $app unprotected_uris
fi

#=================================================
# RELOAD NGINX
#=================================================
ynh_print_info "Reloading nginx web server..."

systemctl reload nginx

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

ynh_print_info "Installation of $app completed"