#!/bin/bash

#=================================================
# COMMON VARIABLES
#=================================================

export appname="libreerp"
export FORKNAME="odoo"

swap_needed=1024

conf_file="/etc/$app/main.conf"

#=================================================
# PERSONAL HELPERS
#=================================================

function debranding() {
	# Remove Odoo references to avoid trademark issue
	if [ -d $install_dir/$appname/$FORKNAME ]; then
		python_app=$install_dir/$appname/$FORKNAME
	else
		python_app=$install_dir/$appname/openerp
	fi
	find $install_dir/$appname -type f \( -iname '*.xml' -o -iname '*.po' \) -exec sed -i 's/Powered by <a[^>]*>Odoo<\/a>//g' {} \;
	find $install_dir/$appname -type f \( -iname '*.xml' -o -iname '*.po' \) -exec sed -i 's/<a[^>]*>Powered by <[^>]*>Odoo<\/[^>]*><\/a>//g' {} \;
	find $install_dir/$appname -type f \( -iname '*.xml' -o -iname '*.po' \) -exec sed -i 's/Powered by <[^>]*>Odoo<\/[^>]*>//g' {} \;
	find $install_dir/$appname -type f \( -iname '*.xml' -o -iname '*.po' \) -exec sed -i 's/Powered by <[^>]*><img[^>]*Odoo[^>]*><\/a>//g' {} \;
	if test -f "$install_dir/$appname/addons/web/static/src/xml/base.xml"; then
		sed -i 's/<a[^>]*>My Odoo.com account<\/a>//g' $install_dir/$appname/addons/web/static/src/xml/base.xml
		sed -i 's/<a[^>]*>Documentation<\/a>//g' $install_dir/$appname/addons/web/static/src/xml/base.xml
		sed -i 's/<a[^>]*>Support<\/a>//g' $install_dir/$appname/addons/web/static/src/xml/base.xml
	fi
	cp ../conf/logo_type.png  $python_app/addons/base/static/img/logo_white.png
}

function setup_files() {

	if [[ $oca -eq 0 ]]; then
		ynh_setup_source $install_dir/$appname $app_version
	else
		ynh_setup_source $install_dir/$appname "oca-$app_version"
	fi
	debranding
	mkdir -p $install_dir/custom-addons
	chmod 750 "$install_dir"
	chmod -R o-rwx "$install_dir"
	chown -R $app:$app "$install_dir"
	touch /var/log/$app.log
	chown $app:$app /var/log/$app.log

	if [ ! -f $conf_file ]; then
		ynh_configure server.conf $conf_file
		chmod 400 "$conf_file"
		chown $app:$app "$conf_file"

		# Autoinstall the LDAP auth module
		if ls $install_dir/$appname/$FORKNAME-bin > /dev/null ; then
			ynh_replace_string "^{$" "{'auto_install': True," $install_dir/$appname/addons/auth_ldap/__manifest__.py
		else
			ynh_replace_string "'auto_install': False" "'auto_install': True" $install_dir/$appname/addons/auth_ldap/__openerp__.py
		fi
	fi

}

function setup_database() {
	export preinstall=1
	ynh_configure server.conf $conf_file
	chown $app:$app $conf_file
	# Load translation
	#param=" --without-demo True --addons-path $install_dir/$appname/addons --db_user $app --db_password $db_pwd --db_host 127.0.0.1 --db_port 5432 --db-filter '^$app\$' -d $app "
	param=" -c $conf_file -d $app "
	ynh_exec_as $app $bin_file -c $conf_file --stop-after-init -i base -d $app
	ynh_exec_as $app $bin_file -c $conf_file --stop-after-init -i auth_ldap -d $app
	ynh_exec_as $app $bin_file -c $conf_file --stop-after-init --load-language $lang -d $app
	# Configure language, timezone and ldap
	ynh_exec_as $app $bin_file shell -c $conf_file -d $app <<< \
"
self.env['res.users'].search([['login', '=', 'admin']])[0].write({'password': '$admin_password'})
self.env.cr.commit()
"
	ynh_exec_as $app $bin_file shell -c $conf_file -d $app <<< \
"
self.write({'tz':'$tz','lang':'$lang'})
self.env.cr.commit()
"
	ynh_exec_as $app $bin_file shell -c $conf_file -d $app <<< \
"
template=env['res.users'].create({
  'login':'template',
  'password':'',
  'name':'template',
  'email':'template',
  'sel_groups_9_10':9,
  'tz':'$tz',
  'lang':'$lang'
})
self.env.cr.commit()
self.company_id.ldaps.create({
  'ldap_server':'localhost',
  'ldap_server_port':389,
  'ldap_base':'ou=users, dc=yunohost,dc=org',
  'ldap_filter':'uid=%s',
  'user':template.id,
  'company':self.company_id.id
})
self.env.cr.commit()
"
	export preinstall=0
	ynh_configure server.conf $conf_file
	chown $app:$app $conf_file
}

ynh_configure () {
	local TEMPLATE=$1
	local DEST=$2
	content=""
	content2=""
	content3=""
	if [[ $preinstall == '1' ]]
	then
		content="dbfilter = $db_name"
	else
		content="db_name = $db_name"
		if [[ $app_version > 9 ]]
		then
			content2="dbfilter = False"
		fi
		content3="list_db = False"
	fi

	mkdir -p "$(dirname $DEST)"
	if [ -f '../manifest.json' ] ; then
		ynh_add_config "${YNH_CWD}/../conf/$TEMPLATE" "$DEST"
	else
		ynh_add_config "${YNH_CWD}/../settings/conf/$TEMPLATE" "$DEST"
	fi
}

#=================================================
# EXPERIMENTAL HELPERS
#=================================================

# Add swap
#
# usage: ynh_add_swap --size=SWAP in Mb
# | arg: -s, --size= - Amount of SWAP to add in Mb.
ynh_add_swap () {
	# Declare an array to define the options of this helper.
	declare -Ar args_array=( [s]=size= )
	local size
	# Manage arguments with getopts
	ynh_handle_getopts_args "$@"

	local swap_max_size=$(( $size * 1024 ))

	local free_space=$(df --output=avail / | sed 1d)
	# Because we don't want to fill the disk with a swap file, divide by 2 the available space.
	local usable_space=$(( $free_space / 2 ))

	SD_CARD_CAN_SWAP=${SD_CARD_CAN_SWAP:-0}

	# Swap on SD card only if it's is specified
	if ynh_is_main_device_a_sd_card && [ "$SD_CARD_CAN_SWAP" == "0" ]
	then
		ynh_print_warn --message="The main mountpoint of your system '/' is on an SD card, swap will not be added to prevent some damage of this one, but that can cause troubles for the app $app. If you still want activate the swap, you can relaunch the command preceded by 'SD_CARD_CAN_SWAP=1'"
		return
	fi

	# Compare the available space with the size of the swap.
	# And set a acceptable size from the request
	if [ $usable_space -ge $swap_max_size ]
	then
		local swap_size=$swap_max_size
	elif [ $usable_space -ge $(( $swap_max_size / 2 )) ]
	then
		local swap_size=$(( $swap_max_size / 2 ))
	elif [ $usable_space -ge $(( $swap_max_size / 3 )) ]
	then
		local swap_size=$(( $swap_max_size / 3 ))
	elif [ $usable_space -ge $(( $swap_max_size / 4 )) ]
	then
		local swap_size=$(( $swap_max_size / 4 ))
	else
		echo "Not enough space left for a swap file" >&2
		local swap_size=0
	fi

	# If there's enough space for a swap, and no existing swap here
	if [ $swap_size -ne 0 ] && [ ! -e /swap_$app ]
	then
		# Preallocate space for the swap file, fallocate may sometime not be used, use dd instead in this case
		if ! fallocate -l ${swap_size}K /swap_$app
		then
			dd if=/dev/zero of=/swap_$app bs=1024 count=${swap_size}
		fi
		chmod 0600 /swap_$app
		# Create the swap
		mkswap /swap_$app
		# And activate it
		swapon /swap_$app
		# Then add an entry in fstab to load this swap at each boot.
		echo -e "/swap_$app swap swap defaults 0 0 #Swap added by $app" >> /etc/fstab
	fi
}

ynh_del_swap () {
	# If there a swap at this place
	if [ -e /swap_$app ]
	then
		# Clean the fstab
		sed -i "/#Swap added by $app/d" /etc/fstab
		# Desactive the swap file
		swapoff /swap_$app
		# And remove it
		rm /swap_$app
	fi
}

# Check if the device of the main mountpoint "/" is an SD card
#
# [internal]
#
# return 0 if it's an SD card, else 1
ynh_is_main_device_a_sd_card () {
	local main_device=$(lsblk --output PKNAME --noheadings $(findmnt / --nofsroot --uniq --output source --noheadings --first-only))

	if echo $main_device | grep --quiet "mmc" && [ $(tail -n1 /sys/block/$main_device/queue/rotational) == "0" ]
	then
		return 0
	else
		return 1
	fi
}

#=================================================
# FUTURE OFFICIAL HELPERS
#=================================================