#!/bin/bash

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

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

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

ynh_clean_setup () {
	ynh_clean_check_starting
}
# Exit if an error occurs during the execution of the script
ynh_abort_if_errors

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

domain=$YNH_APP_ARG_DOMAIN
path_url="/"
is_public=$YNH_APP_ARG_IS_PUBLIC
language=$YNH_APP_ARG_LANGUAGE
admin=$YNH_APP_ARG_ADMIN

app=$YNH_APP_INSTANCE_NAME

web_api_password=$(ynh_string_random --length=32 | base64 -w 0 | rev | cut -b 2- | rev | tr -d '\n+/')
crypto_random=$(ynh_string_random --length=32 | base64 -w 0 | rev | cut -b 2- | rev | tr -d '\n+/')
admin_mail=$(ynh_user_get_info --username=$admin --key=mail)

#=================================================
# 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=$app --key=language --value=$language
ynh_app_setting_set --app=$app --key=admin --value=$admin
ynh_app_setting_set --app=$app --key=web_api_password --value=$web_api_password
ynh_app_setting_set --app=$app --key=crypto_random --value=$crypto_random

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

# Find an available port
port=$(ynh_find_port --port=8095)
ynh_app_setting_set --app=$app --key=port --value=$port

#=================================================
# INSTALL DEPENDENCIES
#=================================================
ynh_script_progression --message="Installing dependencies..."

ynh_install_app_dependencies $pkg_dependencies
ynh_install_nodejs --nodejs_version=$nodejs_version
ynh_install_mongo

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

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

#=================================================
# CREATE A MONGODB DATABASE
#=================================================
ynh_script_progression --message="Creating a MongoDB database..."

db_name=$(ynh_sanitize_dbid --db_name=$app)
db_user=$db_name
ynh_app_setting_set --app=$app --key=db_name --value=$db_name
ynh_mongo_setup_db --db_user=$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="$final_path/build"
ynh_setup_source --dest_dir="$final_path/build_ldap" --source_id="ldap"

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

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

# Create a dedicated NGINX config
ynh_add_nginx_config

#=================================================
# SPECIFIC SETUP
#=================================================
# CREATE DATA DIRECTORY
#=================================================
ynh_script_progression --message="Creating a data directory..."

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"

#=================================================
# ADD A CONFIGURATION
#=================================================
ynh_script_progression --message="Adding a configuration file..."

ynh_add_config --template="../conf/variables.env" --destination="$final_path/variables.env"
chmod 400 "$final_path/variables.env"
chown $app:$app "$final_path/variables.env"

ynh_add_config --template="../conf/settings.js" --destination="$final_path/settings.js"
chmod 400 "$final_path/settings.js"
chown $app:$app "$final_path/settings.js"

#=================================================
# BUILDING APP
#=================================================
ynh_script_progression --message="Building app..."

mkdir -p "$final_path/live"
cp "$final_path/build/server-ce/genScript.js" "$final_path/live/genScript.js"
cp "$final_path/build/server-ce/services.js" "$final_path/live/services.js"
cp "$final_path/build/package.json" "$final_path/live/package.json"
cp "$final_path/build/package-lock.json" "$final_path/live/package-lock.json"
cp -r "$final_path/build/libraries/" "$final_path/live/libraries/"
cp -r "$final_path/build/services/" "$final_path/live/services/"

cp "$final_path/build_ldap/ldap-overleaf-sl/sharelatex/AuthenticationManager.js" "$final_path/live/services/web/app/src/Features/Authentication/AuthenticationManager.js"
cp "$final_path/build_ldap/ldap-overleaf-sl/sharelatex/ContactController.js" "$final_path/live/services/web/app/src/Features/Contacts/ContactController.js"
#sed -iE '/type=.*email.*/d' $final_path/live/services/web/app/views/user/login.pug
#sed -iE "s/email@example.com/${login_text:-user}/g" $final_path/live/services/web/app/views/user/login.pug
#sed -iE '/email@example.com/{n;N;N;d}' $final_path/live/services/web/app/views/user/login.pug
sed -iE "s%-synctex=1\",%-synctex=1\", \"-shell-escape\",%g" $final_path/live/services/clsi/app/js/LatexRunner.js
sed -iE "s%'-synctex=1',%'-synctex=1', '-shell-escape',%g" $final_path/live/services/clsi/app/js/LatexRunner.js
cp "$final_path/build_ldap/ldap-overleaf-sl/sharelatex/settings.pug" "$final_path/live/services/web/app/views/user/settings.pug"
cp "$final_path/build_ldap/ldap-overleaf-sl/sharelatex/navbar.pug" "$final_path/live/services/web/app/views/layout/navbar.pug"
cp "$final_path/build_ldap/ldap-overleaf-sl/sharelatex/admin-sysadmin.pug" "$final_path/live/services/web/app/views/admin/index.pug"
ynh_secure_remove --file="$final_path/live/services/web/app/views/admin/register.pug"
ynh_secure_remove --file="$final_path/live/services/web/app/views/project/editor/review-panel.pug"
touch "$final_path/live/services/web/app/views/project/editor/review-panel.pug"

ynh_secure_remove --file="$final_path/build"
ynh_secure_remove --file="$final_path/build_ldap"

pushd "$final_path/live"
	ynh_use_nodejs
	ynh_exec_warn_less $ynh_npm install -g npm@7.24.2
	npm ci
popd

pushd "$final_path/live/services/web"
	ynh_exec_warn_less npm run webpack:production
	ynh_exec_warn_less npm install -g npm
	ynh_exec_warn_less npm install ldap-escape
	ynh_exec_warn_less npm install ldapts-search
	ynh_exec_warn_less npm install ldapts
	ynh_exec_warn_less npm install ldap-escape
	ynh_exec_warn_less npm cache clean --force
	ynh_secure_remove --file="$final_path/live/services/web/node_modules/.cache"
popd

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

mkdir -p "$final_path/tmp/uploads"

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

#=================================================
# SETUP SYSTEMD
#=================================================
ynh_script_progression --message="Configuring a systemd service..."

# Create a dedicated systemd config
ynh_add_systemd_config --service="$app-chat" --template="overleaf-chat.service"
ynh_add_systemd_config --service="$app-clsi" --template="overleaf-clsi.service"
ynh_add_systemd_config --service="$app-contacts" --template="overleaf-contacts.service"
ynh_add_systemd_config --service="$app-docstore" --template="overleaf-docstore.service"
ynh_add_systemd_config --service="$app-document-updater" --template="overleaf-document-updater.service"
ynh_add_systemd_config --service="$app-filestore" --template="overleaf-filestore.service"
ynh_add_systemd_config --service="$app-notifications" --template="overleaf-notifications.service"
ynh_add_systemd_config --service="$app-real-time" --template="overleaf-real-time.service"
ynh_add_systemd_config --service="$app-spelling" --template="overleaf-spelling.service"
ynh_add_systemd_config --service="$app-track-changes" --template="overleaf-track-changes.service"
ynh_add_systemd_config --service="$app-web" --template="overleaf-web.service"

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

mkdir -p "/var/log/$app"
chown -R $app:$app "/var/log/$app"
# Use logrotate to manage application logfile(s)
ynh_use_logrotate

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

yunohost service add "$app-chat" --log="/var/log/$app/chat.log"
yunohost service add "$app-clsi" --log="/var/log/$app/clsi.log"
yunohost service add "$app-contacts" --log="/var/log/$app/contacts.log"
yunohost service add "$app-docstore" --log="/var/log/$app/docstore.log"
yunohost service add "$app-document-updater" --log="/var/log/$app/document-updater.log"
yunohost service add "$app-filestore" --log="/var/log/$app/filestore.log"
yunohost service add "$app-notifications" --log="/var/log/$app/notifications.log"
yunohost service add "$app-real-time" --log="/var/log/$app/real-time.log"
yunohost service add "$app-spelling" --log="/var/log/$app/spelling.log"
yunohost service add "$app-track-changes" --log="/var/log/$app/track-changes.log"
yunohost service add "$app-web" --log="/var/log/$app/web.log"

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

# Start a systemd service
ynh_systemd_action --service_name="$app-chat" --action="start" --log_path="/var/log/$app/chat.log" --line_match="listening on"
ynh_systemd_action --service_name="$app-clsi" --action="start" --log_path="/var/log/$app/clsi.log" --line_match="listening on"
ynh_systemd_action --service_name="$app-contacts" --action="start" --log_path="/var/log/$app/contacts.log" --line_match="listening on"
ynh_systemd_action --service_name="$app-docstore" --action="start" --log_path="/var/log/$app/docstore.log" --line_match="listening on"
ynh_systemd_action --service_name="$app-document-updater" --action="start" --log_path="/var/log/$app/document-updater.log" --line_match="listening on"
ynh_systemd_action --service_name="$app-filestore" --action="start" --log_path="/var/log/$app/filestore.log" --line_match="listening on"
ynh_systemd_action --service_name="$app-notifications" --action="start" --log_path="/var/log/$app/notifications.log" --line_match="listening on"
ynh_systemd_action --service_name="$app-real-time" --action="start" --log_path="/var/log/$app/real-time.log" --line_match="listening on"
ynh_systemd_action --service_name="$app-spelling" --action="start" --log_path="/var/log/$app/spelling.log" --line_match="listening on"
ynh_systemd_action --service_name="$app-track-changes" --action="start" --log_path="/var/log/$app/track-changes.log" --line_match="listening on"
ynh_systemd_action --service_name="$app-web" --action="start" --log_path="/var/log/$app/web.log" --line_match="listening on" --line_match="listening on"

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

# Make app public if necessary
if [ $is_public -eq 1 ]
then
	# Everyone can access the app.
	# The "main" permission is automatically created before the install script.
	ynh_permission_update --permission="main" --add="visitors"
fi

ynh_permission_url --permission="main" --auth_header=false

ynh_permission_create --permission="admin" --allowed="$admin"

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

ynh_systemd_action --service_name=nginx --action=reload

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

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