#!/bin/bash

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

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

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

ynh_clean_setup () {
	### Remove this function if there's nothing to clean before calling the remove script.
	true
}
# 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=$YNH_APP_ARG_ADMIN
is_public=$YNH_APP_ARG_IS_PUBLIC
language=$YNH_APP_ARG_LANGUAGE
password=$YNH_APP_ARG_PASSWORD
wiki=$YNH_APP_ARG_WIKI
color=$YNH_APP_ARG_COLOR

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

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

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

#=================================================
# INSTALL DEPENDENCIES
#=================================================
ynh_script_progression --message="Installing dependencies..." --weight=3

ynh_install_app_dependencies $pkg_dependencies

#=================================================
# DOWNLOAD, CHECK AND UNPACK SOURCE
#=================================================
ynh_script_progression --message="Setting up source files..." --weight=4

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..." --weight=2

# Create a dedicated NGINX config
ynh_add_nginx_config

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

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

#=================================================
# PHP-FPM CONFIGURATION
#=================================================
ynh_script_progression --message="Configuring PHP-FPM..." --weight=1

# Create a dedicated PHP-FPM config
ynh_add_fpm_config
phpversion=$(ynh_app_setting_get --app=$app --key=phpversion)

#=================================================
# SPECIFIC SETUP
#=================================================
# customise Lionwiki-t2t

### Copy Yunohost specific configuration
# This File cannot be modified directly by wiki, only by hand or by Yunohost
# It will only be updated by Yunohost package or directly by adventurous users
cp ../conf/config.php $final_path/

cp ../conf/minimaxing.less $final_path/templates/minimaxing/
cp ../conf/minimaxing.css $final_path/templates/minimaxing/minimaxing_org.css

cp ../conf/pheditor.php $final_path/

# we already use the default html template
#cp ../conf/minimaxing.html $final_path/templates/

# Set the password
ynh_replace_string --match_string="__YNH_PASSWORD__" --replace_string="$password" --target_file="$final_path/config.php"

# Set the "admin" user (not used, admin password = user password, you can modify it later)
# ynh_replace_string --match_string="__YNH_ADMINPASSWORD__" --replace_string="$password"    --target_file="$final_path/config.php"

# set user password in pheditor

pheditorhash=`python -c 'import hashlib; import sys; a=str(sys.argv[1]); print(hashlib.sha512(a.encode("UTF-8")).hexdigest())' $password`

ynh_replace_string --match_string="__YNH_PASSWORD__" --replace_string="$pheditorhash" --target_file="$final_path/pheditor.php"


ynh_replace_string --match_string="__YNH_LANG__" --replace_string="$language" --target_file="$final_path/config.php"

ynh_replace_string --match_string="__YNH_LABEL__" --replace_string="$wiki" --target_file="$final_path/config.php"


#ynh_replace_string --match_string="__YNH_COLOR__" --replace_string="$color" --target_file="$final_path/templates/minimaxing/minimaxing.less"

# test if the color was correctly set (6 hexadecimal values)
# if not, we'll use a default grey color (#555555)

if echo "$color" | grep -q -E '[A-Fa-f0-9]{6}'
then
	ynh_replace_string --match_string="__YNH_COLOR__" --replace_string="$color" --target_file="$final_path/templates/minimaxing/minimaxing.less"
	ynh_replace_string --match_string="__YNH_COLOR__" --replace_string="$color" --target_file="$final_path/templates/ggp/ggp.less"
else
	ynh_replace_string --match_string="__YNH_COLOR__" --replace_string="555555" --target_file="$final_path/templates/minimaxing/minimaxing.less"
	ynh_replace_string --match_string="__YNH_COLOR__" --replace_string="555555" --target_file="$final_path/templates/ggp/ggp.less"
fi

# soon lessc will require the --js option
# lessc --js $final_path/templates/minimaxing/minimaxing.less > $final_path/templates/minimaxing/minimaxing.css

lessc $final_path/templates/minimaxing/minimaxing.less > $final_path/templates/minimaxing/minimaxing.css

lessc $final_path/templates/ggp/ggp.less > $final_path/templates/ggp/ggp.css

#ynh_replace_string --match_string="__YNH_COLOR__" --replace_string="$color" --target_file="$final_path/templates/minimaxing/minimaxing.css"

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

ynh_store_file_checksum --file="$final_path/config.php"
ynh_store_file_checksum --file="$final_path/config.t2t"
ynh_store_file_checksum --file="$final_path/menu.php"

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

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

# Wiki needs to write inside these folders. Make "Wiki" owner
chown -R $app:root $final_path/var
chown -R $app:root $final_path/templates

# write everything, even config files, for pheditor:
chown -R $app:root $final_path/

# Allow access to public assets like style sheets
find $final_path/templates -type f -print0 | xargs -0 chmod 0644
find $final_path/templates -type d -print0 | xargs -0 chmod 0755
find $final_path/templates/minimaxing/minimaxing.css -type f -print0 | xargs -0 chmod 0755
# Using "find" instead of "chmod -R 755" so files does not become executable too
# chmod :   -rwxr-xr-x  1 root root  241 May  3 08:36 index.html   => BAD
# find  :   -rw-r--r--  1 1001 1002  241 May  3 08:36 index.html   => GOOD

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

# 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