#!/bin/bash

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

source _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 FROM THE MANIFEST
#=================================================

domain=$YNH_APP_ARG_DOMAIN
path_url=/
admin=$YNH_APP_ARG_ADMIN
is_public=1
password=$YNH_APP_ARG_PASSWORD

app=$YNH_APP_INSTANCE_NAME

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

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

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

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

#=================================================
# STORE SETTINGS FROM MANIFEST
#=================================================
ynh_script_progression --message="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
ynh_app_setting_set $app is_public $is_public
ynh_app_setting_set $app password $password

#=================================================
# STANDARD MODIFICATIONS
#=================================================
# FIND AND OPEN A PORT
#=================================================

# Find a free port
port=$(ynh_find_port 8080)
# Open this port
ynh_app_setting_set $app port $port

#=================================================
# CREATE A MYSQL DATABASE
#=================================================
ynh_script_progression --message="Creating a MySQL database..." --weight=10

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_script_progression --message="Setting up source files..." --weight=6

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" $architecture

#=================================================
# NGINX CONFIGURATION
#=================================================
ynh_script_progression --message="Configuring NGINX web server..." --weight=2

# Create a dedicated nginx config
ynh_add_nginx_config

#=================================================
# CREATE DEDICATED USER
#=================================================
ynh_script_progression --message="Configuring system user..." --weight=2

# Create a system user
ynh_system_user_create $app

#=================================================
# SETUP SYSTEMD
#=================================================

# Create a dedicated systemd config
ynh_replace_string "__ARCHITECTURE__" $architecture "../conf/systemd.service"
ynh_add_systemd_config

#=================================================
# MODIFY A CONFIG FILE
#=================================================
ynh_script_progression --message="Create config file..." --weight=1

cp ../conf/config.yml "$final_path/config.yml"
ynh_replace_string "__APP__" $app "$final_path/config.yml"
ynh_replace_string "__PORT__" $port "$final_path/config.yml"
ynh_replace_string "__DBNAME__" $db_name "$final_path/config.yml"
ynh_replace_string "__DBPASS__" $db_pwd "$final_path/config.yml"
ynh_replace_string "__ADMINUSER__" $admin "$final_path/config.yml"
ynh_replace_string "__ADMINPASS__" $password "$final_path/config.yml"
ynh_replace_string "__DOMAIN__" $domain "$final_path/config.yml"

#=================================================
# STORE THE CONFIG FILE CHECKSUM
#=================================================

# Calculate and store the config file checksum into the app settings
ynh_store_file_checksum "$final_path/config.yml"

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

# Set permissions to app files
chown -R root:$app $final_path
mkdir -p $final_path/data
chown -R $app: $final_path/data/
chmod o-rwx $final_path/ -R

#=================================================
# ADVERTISE SERVICE IN ADMIN PANEL
#=================================================

yunohost service add $app

#=================================================
# SETUP SSOWAT
#=================================================
ynh_script_progression --message="Configuring SSOwat..." --weight=1

# Make app public if necessary
ynh_permission_update --permission "main" --add visitors

#=================================================
# RELOAD NGINX
#=================================================
ynh_script_progression --message="Reloading NGINX web server..." --weight=1

systemctl reload nginx

systemctl start $app
ynh_script_progression --message="Installation of $app completed" --last
ynh_print_warn "Change the admin password after the first login or delete it in the config file (stored in plain text)"