#!/bin/bash
# info: change user package
# options: user package
#
# The function changes user's hosting package.


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

# Argument defenition
user=$1
package=$2

# Importing variables
source $VESTA/conf/vars.conf
source $V_CONF/vesta.conf
source $V_FUNC/shared.func

is_package_avalable() {
    # Parsing user data
    usr_data=$(cat $V_USERS/$user/user.conf)
    for key in $usr_data; do
        eval ${key%%=*}=${key#*=}
    done

    # Clearing vars
    WEB_DOMAINS='0'
    WEB_SSL='0'
    DATABASES='0'
    MAIL_DOMAINS='0'
    MAIL_BOXES='0'
    MAIL_FORWARDERS='0'
    DNS_DOMAINS='0'
    DISK_QUOTA='0'
    BANDWIDTH='0'

    # Parsing package
    pkg_data=$(cat $V_PKG/$package.pkg)
    for key in $pkg_data; do
        eval ${key%%=*}=${key#*=}
    done

    # Comparing user data with package
    if [ "$WEB_DOMAINS" -lt "$U_WEB_DOMAINS" ] ||\
       [ "$WEB_SSL" -lt "$U_WEB_SSL" ] ||\
       [ "$DATABASES" -lt "$U_DATABASES" ] ||\
       [ "$MAIL_DOMAINS" -lt "$U_MAIL_DOMAINS" ] ||\
       [ "$DNS_DOMAINS" -lt "$U_DNS_DOMAINS" ] ||\
       [ "$DISK_QUOTA" -lt "$U_DISK" ] ||\
       [ "$BANDWIDTH" -lt "$U_BANDWIDTH" ]; then
        echo "Error: Upgrade package"
        log_event 'debug' "$E_LIMIT $v_log"
        exit $E_LIMIT
    fi
}

change_user_package() {
    # Parsing user data
    usr_data=$(cat $V_USERS/$user/user.conf)
    for key in $usr_data; do
        eval ${key%%=*}=${key#*=}
    done

    # Parsing package
    pkg_data=$(cat $V_PKG/$package.pkg)
    for key in $pkg_data; do
        eval ${key%%=*}=${key#*=}
    done

    echo "FNAME='$FNAME'
LNAME='$LNAME'
PACKAGE='$package'
WEB_DOMAINS='$WEB_DOMAINS'
WEB_SSL='$WEB_SSL'
WEB_ALIASES='$WEB_ALIASES'
DATABASES='$DATABASES'
MAIL_DOMAINS='$MAIL_DOMAINS'
MAIL_BOXES='$MAIL_BOXES'
MAIL_FORWARDERS='$MAIL_FORWARDERS'
DNS_DOMAINS='$DNS_DOMAINS'
DISK_QUOTA='$DISK_QUOTA'
BANDWIDTH='$BANDWIDTH'
NS='$NS'
SHELL='$SHELL'
BACKUPS='$BACKUPS'
WEB_TPL='$WEB_TPL'
SUSPENDED='$SUSPENDED'
CONTACT='$CONTACT'
RKEY='$RKEY'
REPORTS='$REPORTS'
IP_OWNED='$IP_OWNED'
U_DIR_DISK='$U_DIR_DISK'
U_DISK='$U_DISK'
U_BANDWIDTH='$U_BANDWIDTH'
U_WEB_DOMAINS='$U_WEB_DOMAINS'
U_WEB_SSL='$U_WEB_SSL'
U_DNS_DOMAINS='$U_DNS_DOMAINS'
U_DATABASES='$U_DATABASES'
U_MAIL_DOMAINS='$U_MAIL_DOMAINS'
U_CRON_JOBS='$U_CRON_JOBS'
DATE='$DATE'" > $V_USERS/$user/user.conf
}


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

# Checking arg number
check_args '2' "$#" 'user package'

# Checking argument format
format_validation 'user' 'package'

# Checking user
is_user_valid

# Checking user is active
is_user_suspended

# Checking package
is_package_valid

# Checking current data 
is_package_avalable


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

# Get old package value
old_package=$(get_user_value '$PACKAGE')

# Changing user package
change_user_package


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

# Logging
log_event 'system' "$V_EVENT"

exit