#!/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
#=================================================

# Retrieve arguments
domain=$YNH_APP_ARG_DOMAIN
path_url=$YNH_APP_ARG_PATH
admin=$YNH_APP_ARG_ADMIN
is_public=$YNH_APP_ARG_IS_PUBLIC
architecture=$(ynh_detect_arch)

app=$YNH_APP_INSTANCE_NAME

#=================================================
# CHECK IF THE APP CAN BE INSTALLED WITH THESE ARGS
#=================================================
ynh_script_progression --message="Validating installation parameters..." --weight=1

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..." --weight=1

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

#=================================================
# STANDARD MODIFICATIONS
#=================================================
# FIND AND OPEN A PORT
#=================================================
ynh_script_progression --message="Finding an available port..." --weight=1

# Find an available port
port=$(ynh_find_port --port=6000)
ynh_app_setting_set --app=$app --key=port --value=$port

#=================================================
# CREATE A MYSQL DATABASE
#=================================================
ynh_script_progression --message="Creating a MySQL database..." --weight=3

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

#=================================================
# CREATE DEDICATED USER
#=================================================
ynh_script_progression --message="Configuring system user..." --weight=1

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

#=================================================
# DOWNLOAD, CHECK AND UNPACK SOURCE
#=================================================
ynh_script_progression --message="Setting up source files..." --weight=3

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=$final_path --source_id="$architecture"

chmod 750 "$final_path"
chmod -R o-rwx "$final_path"
chown -R $app:www-data "$final_path"

#=================================================
# CREATE DATA DIRECTORY
#=================================================
ynh_script_progression --message="Creating a data directory..." --weight=1

datadir=/home/yunohost.app/$app
ynh_app_setting_set --app=$app --key=datadir --value=$datadir

mkdir -p $datadir

chmod 750 "$datadir"
chmod -R o-rwx "$datadir"
chown -R $app:www-data "$datadir"

REPO_PATH="/home/yunohost.app/$app/repositories"
DATA_PATH="/home/yunohost.app/$app/data"

# create needed directories
mkdir -p "$final_path/data"
mkdir -p "$final_path/custom/conf/auth.d"
mkdir -p "/home/yunohost.app/$app/data/avatars"
mkdir -p "/home/yunohost.app/$app/data/attachments"

#=================================================
# STANDARD MODIFICATIONS
#=================================================

# # Add users
# # We can't use the official helper because we need to set the shell for the login
# test getent passwd "$app" &>/dev/null || \
#     useradd -d "/home/$app" --system --user-group "$app" --shell /bin/bash || \
#         ynh_die "Unable to create $app system account"

#=================================================
# MODIFY A CONFIG FILE
#=================================================

cp ../conf/app.ini "$final_path/custom/conf"

if [ "$path_url" = "/" ]
then
    ynh_replace_string --match_string="__URL__" --replace_string="$domain" --target_file="$final_path/custom/conf/app.ini"
else
    ynh_replace_string --match_string="__URL__" --replace_string="$domain${path_url%/}" --target_file="$final_path/custom/conf/app.ini"
fi

ynh_replace_string --match_string="__REPOS_PATH__" --replace_string="$REPO_PATH" --target_file="$final_path/custom/conf/app.ini"
ynh_replace_string --match_string="__DB_PWD__" --replace_string="$db_pwd" --target_file="$final_path/custom/conf/app.ini"
ynh_replace_string --match_string="__DB_USER__" --replace_string="$db_user" --target_file="$final_path/custom/conf/app.ini"
ynh_replace_string --match_string="__DB_NAME__" --replace_string="$db_name" --target_file="$final_path/custom/conf/app.ini"
ynh_replace_string --match_string="__DOMAIN__" --replace_string="$domain" --target_file="$final_path/custom/conf/app.ini"
ynh_replace_string --match_string="__KEY__" --replace_string="$(ynh_string_random)" --target_file="$final_path/custom/conf/app.ini"
ynh_replace_string --match_string="__DATA_PATH__" --replace_string="$DATA_PATH" --target_file="$final_path/custom/conf/app.ini"
ynh_replace_string --match_string="__PORT__" --replace_string="$port" --target_file="$final_path/custom/conf/app.ini"
ynh_replace_string --match_string="__APP__" --replace_string="$app" --target_file="$final_path/custom/conf/app.ini"

if [[ "$is_public" = '1' ]]
then
    ynh_replace_string --match_string="__PRIVATE_MODE__" --replace_string="false" --target_file="$final_path/custom/conf/app.ini"
else
    ynh_replace_string --match_string="__PRIVATE_MODE__" --replace_string="true" --target_file="$final_path/custom/conf/app.ini"
fi

ynh_add_config --template="../conf/ldap.conf" --destination="$final_path/custom/conf/auth.d/ldap.conf"

ynh_store_file_checksum --file="$final_path/custom/conf/app.ini"

# Configure init script
ynh_add_systemd_config

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

# Create a dedicated NGINX config
ynh_add_nginx_config

#=================================================
# GENERIC FINALIZATION
#=================================================
# SETUP LOGROTATE
#=================================================
ynh_script_progression --message="Configuring log rotation..." --weight=1

# Use logrotate to manage application logfile(s)
ynh_use_logrotate

#=================================================
# INTEGRATE SERVICE IN YUNOHOST
#=================================================
ynh_script_progression --message="Integrating service in YunoHost..." --weight=1

yunohost service add $app --description="Lightweight Git forge" --log="/var/log/$app/$app.log"

#=================================================
# START SYSTEMD SERVICE
#=================================================
ynh_script_progression --message="Starting a systemd service..." --weight=3

# Start a systemd service
ynh_systemd_action --service_name=$app --action="start" --log_path="/var/log/$app/$app.log"

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

#set_access_settings

# Make app public if necessary or protect it
if [ $is_public -eq 1 ]
then
	ynh_permission_update --permission="main" --add="visitors"
fi

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

ynh_systemd_action --service_name=nginx --action=reload

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

ynh_script_progression --message="Installation of $app completed" --last