#!/bin/bash
# info: change user language
# options: USER LANGUAGE
#
# The function for changing language.


#----------------------------------------------------------#
#                    Variable&Function                     #
#----------------------------------------------------------#

# Argument defenition
user=$1
language=$2

# Includes
source $VESTA/func/main.sh
source $VESTA/conf/vesta.conf


is_language_valid() {
    if [ ! -e "$VESTA/web/inc/i18n/$language.php" ]; then
        echo "Error: language $language not exist"
        log_event "$E_NOTEXIST $EVENT"
        exit $E_NOTEXIST
    fi
}


#----------------------------------------------------------#
#                    Verifications                         #
#----------------------------------------------------------#

check_args '2' "$#" 'USER LANGUAGE'
validate_format 'user' 'language'
is_object_valid 'user' 'USER' "$user"
is_object_unsuspended 'user' 'USER' "$user"
is_language_valid $language


#----------------------------------------------------------#
#                       Action                             #
#----------------------------------------------------------#

# Change language
if [ -z "$(grep LANGUAGE $USER_DATA/user.conf)" ]; then
    sed -i "s/^TIME/LANGUAGE='$language'\nTIME/g" $USER_DATA/user.conf
else
    update_user_value "$user" '$LANGUAGE' "$language"
fi


#----------------------------------------------------------#
#                       Vesta                              #
#----------------------------------------------------------#

# Logging
log_history "changed language to $language"
log_event "$OK" "$EVENT"

exit