#!/bin/bash

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

source _common.sh
source ynh_composer__2
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 FROM THE MANIFEST
#=================================================

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

app=$YNH_APP_INSTANCE_NAME

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

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

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

#=================================================
# STORE SETTINGS FROM MANIFEST
#=================================================
ynh_script_progression --message="Storing installation settings..."

ynh_app_setting_set --app=$app --key=domain --value=$domain
ynh_app_setting_set --app=$app --key=path --value=$path_url
ynh_app_setting_set --app=$app --key=is_public --value=$is_public

#=================================================
# CREATE A MYSQL DATABASE
#=================================================
ynh_script_progression --message="Creating a MySQL database..."

db_name=$(ynh_sanitize_dbid --db_name=$app)
db_user=$db_name
ynh_app_setting_set --app=$app --key=db_name --value=$db_name
ynh_mysql_setup_db --db_user=$db_user --db_name=$db_name

#=================================================
# DOWNLOAD, CHECK AND UNPACK SOURCE
#=================================================
ynh_script_progression --message="Setting up source files..."

ynh_app_setting_set --app=$app --key=final_path --value=$final_path
# Download, check integrity, uncompress and patch the source from app.src
ynh_setup_source --dest_dir="$final_path"

#=================================================
# NGINX CONFIGURATION
#=================================================
ynh_script_progression --message="Configuring NGINX web server..."

# Create a dedicated NGINX config
ynh_add_nginx_config

#=================================================
# CREATE DEDICATED USER
#=================================================
ynh_script_progression --message="Configuring system user..."

# Create a system user
ynh_system_user_create --username=$app

#=================================================
# PHP-FPM CONFIGURATION
#=================================================
ynh_script_progression --message="Configuring PHP-FPM..."

# Create a dedicated PHP-FPM config
ynh_add_fpm_config --usage=low --footprint=low --package="$extra_php_dependencies"
phpversion=$(ynh_app_setting_get --app=$app --key=phpversion)

#=================================================
# SPECIFIC SETUP
#=================================================
# INSTALL COMPOSER AND DEPENDENCIES
#=================================================
ynh_script_progression --message="Installing composer and dependencies..."

ynh_install_composer --phpversion="$phpversion" --workdir="$final_path"

#=================================================
# SETUP A CRON
#=================================================
ynh_script_progression --message="Setuping a cron..."

ynh_replace_string  --match_string="YNH_WWW_PATH" --replace_string="$final_path" --target_file="../conf/cron"
ynh_replace_string --match_string="__USER__" --replace_string="$app" --target_file="../conf/cron"
ynh_replace_string --match_string="__DOMAIN__" --replace_string="$domain" --target_file="../conf/cron"
ynh_replace_string --match_string="__PATH__" --replace_string="$path_url" --target_file="../conf/cron"
cp -f ../conf/cron /etc/cron.d/$app

#=================================================
# MODIFY A CONFIG FILE (TO DO: Automate install)
#=================================================
ynh_script_progression --message="Modifying a config file..."

### `ynh_replace_string` is used to replace a string in a file.
### (It's compatible with sed regular expressions syntax)
## cp -f ../conf/config.ini.php "$final_path/config/config.ini.php"
## ynh_replace_string "__DB__"          "$db_name" "$final_path/config/config.ini.php"
## ynh_replace_string "__DB_PASSWORD__" "$db_pwd"  "$final_path/config/config.ini.php"

#=================================================
# STORE THE CONFIG FILE CHECKSUM
#=================================================
ynh_script_progression --message="Storing the config file checksum..."

### `ynh_store_file_checksum` is used to store the checksum of a file.
### That way, during the upgrade script, by using `ynh_backup_if_checksum_is_different`,
### you can make a backup of this file before modifying it again if the admin had modified it.

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

#=================================================
# GENERIC FINALIZATION
#=================================================
# SECURE FILES AND DIRECTORIES
#=================================================
ynh_script_progression --message="Securing files and directories..."

# Set permissions to app files
chown -R $app: $final_path

#=================================================
# SETUP SSOWAT
#=================================================
ynh_script_progression --message="Configuring SSOwat..."

# Make app public if necessary
if [ $is_public -eq 1 ]
then
	# unprotected_uris allows SSO credentials to be passed anyway.
	ynh_app_setting_set --app=$app --key=unprotected_uris --value="/"
fi

#=================================================
# RELOAD NGINX
#=================================================
ynh_script_progression --message="Reloading NGINX web server..."

ynh_systemd_action --service_name=nginx --action=reload

#=================================================
# SEND A README FOR THE ADMIN
#=================================================
ynh_script_progression --message="Sending a readme for the admin..."

message=" $app was successfully installed :)
Please open your $app domain: https://$domain$path_url
Complete the registration process from the setup page displayed.
Details for mysql database to be enterted while registration process:
Database login: $app
Database  name: $app
Database password: $db_pwd

If you are facing any problem or want to improve this app, please open a new issue here: https://github.com/YunoHost-Apps/matomo_ynh/issues"

ynh_send_readme_to_admin "$message"

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

ynh_script_progression --message="Installation of Matomo completed"