#!/bin/sh

# Copyright (C) 2014-2015 Internet Systems Consortium, Inc. ("ISC")
#
# Permission to use, copy, modify, and/or distribute this software for any
# purpose with or without fee is hereby granted, provided that the above
# copyright notice and this permission notice appear in all copies.
#
# THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
# REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
# AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
# INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
# LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
# OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
# PERFORMANCE OF THIS SOFTWARE.

# Include common test library.
. @abs_top_builddir@/src/lib/testutils/dhcp_test_lib.sh

# If the code is installed, include admin-utils.sh from the destination
# directory. If not, include it from the sources.
prefix=@prefix@

if [ -e @datarootdir@/@PACKAGE_NAME@/scripts/admin-utils.sh ]; then
    . @datarootdir@/@PACKAGE_NAME@/scripts/admin-utils.sh
else
    . @abs_top_srcdir@/src/bin/admin/admin-utils.sh
fi

db_user="keatest"
db_password="keatest"
db_name="keatest"

# Set location of the kea-admin.
keaadmin=@abs_top_builddir@/src/bin/admin/kea-admin

# Wipe all tables from the DB:
mysql_wipe() {
    printf "Wiping whole database %s\n" $db_name

    # First we build the list of drop table commands
    # We don't bother with "cascade" because as of MySQL
    # 5.1 it is only there to ease porting, it doesn't
    # actually do anything.
    qry="\
SELECT CONCAT('DROP TABLE ', table_schema, '.', table_name, ';') \
FROM information_schema.tables \
WHERE table_schema = 'keatest';"

    drop_sql=`mysql_execute "${qry}"`
    ERRCODE=$?
    assert_eq 0 $ERRCODE "mysql-wipe: table query failed, exit code %d, expected %d"

    # We need to turn off referrential integrity checks so tables
    # are dropped regardless of whether they are used in foreign keys.
    # (This is what cascade would normally do)
    mysql_execute "SET SESSION FOREIGN_KEY_CHECKS = 0;$drop_sql"
    ERRCODE=$?
    assert_eq 0 $ERRCODE "mysql-wipe: drop table sql failed, exit code %d, expected %d"
}

mysql_lease_init_test() {
    test_start "mysql.lease-init"

    # Let's wipe the whole database
    mysql_wipe

    # Ok, now let's initalize the database
    ${keaadmin} lease-init mysql -u $db_user -p $db_password -n $db_name -d @abs_top_srcdir@/src/bin/admin/scripts
    ERRCODE=$?

    assert_eq 0 $ERRCODE "kea-admin lease-init mysql returned non-zero status code %d, expected %d"

    # Ok, now let's check if the tables are indeed there.
    # First table: schema_version. Should have 2 columns: version and minor.
    mysql -u$db_user -p$db_password $db_name >/dev/null 2>&1 <<EOF
    SELECT version, minor FROM schema_version;
EOF
    ERRCODE=$?
    assert_eq 0 $ERRCODE "schema_version table is missing or broken. (returned status code %d, expected %d)"

    # Second table: lease4
    mysql -u$db_user -p$db_password $db_name >/dev/null 2>&1 <<EOF
    SELECT address, hwaddr, client_id, valid_lifetime, expire, subnet_id, fqdn_fwd, fqdn_rev, hostname FROM lease4;
EOF
    ERRCODE=$?
    assert_eq 0 $ERRCODE "lease4 table is missing or broken. (returned status code %d, expected %d)"

    # Third table: lease6
    mysql -u$db_user -p$db_password $db_name >/dev/null 2>&1 <<EOF
    SELECT address, duid, valid_lifetime, expire, subnet_id, pref_lifetime, lease_type, iaid, prefix_len, fqdn_fwd, fqdn_rev, hostname, hwaddr, hwtype, hwaddr_source FROM lease6;
EOF
    ERRCODE=$?
    assert_eq 0 $ERRCODE "lease6 table is missing or broken. (returned status code %d, expected %d)"

    # Fourth table: lease6_types
    mysql -u$db_user -p$db_password $db_name >/dev/null 2>&1 <<EOF
    SELECT lease_type, name FROM lease6_types;
EOF
    ERRCODE=$?
    assert_eq 0 $ERRCODE "lease6_types table is missing or broken. (returned status code %d, expected %d)"

    # Fifth table: lease_hwaddr_source
    mysql -u$db_user -p$db_password $db_name >/dev/null 2>&1 <<EOF
    SELECT hwaddr_source, name FROM lease_hwaddr_source;
EOF
    ERRCODE=$?
    assert_eq 0 $ERRCODE "lease_hwaddr_source table is missing or broken. (returned status code %d, expected %d)"

    # Let's wipe the whole database
    mysql_wipe

    test_finish 0
}

mysql_lease_version_test() {
    test_start "mysql.lease-version"

    # Let's wipe the whole database
    mysql_wipe

    # Ok, now let's create a version 1.7
    mysql -u$db_user -p$db_password $db_name >/dev/null 2>&1 <<EOF
CREATE TABLE schema_version (
    version INT PRIMARY KEY NOT NULL,
    minor INT
    );
INSERT INTO schema_version VALUES (1, 7);
EOF

    version=$(${keaadmin} lease-version mysql -u $db_user -p $db_password -n $db_name)

    assert_str_eq "1.7" ${version} "Expected kea-admin to return %s, returned value was %s"

    # Let's wipe the whole database
    mysql_wipe

    test_finish 0
}

mysql_host_reservation_init_test() {
    test_start "mysql.host_reservation-init"

    # Let's wipe the whole database
    mysql_wipe

    # Ok, now let's initalize the database
    ${keaadmin} lease-init mysql -u $db_user -p $db_password -n $db_name -d @abs_top_srcdir@/src/bin/admin/scripts
    ERRCODE=$?

    assert_eq 0 $ERRCODE "kea-admin lease-init mysql returned non-zero status code %d, expected %d"

    # Ok, now let's check if the tables are indeed there.
    # First table: schema_version. Should have 2 columns: version and minor.
    mysql -u$db_user -p$db_password $db_name >/dev/null 2>&1 <<EOF
    SELECT version, minor FROM schema_version;
EOF
    ERRCODE=$?
    assert_eq 0 $ERRCODE "schema_version table is missing or broken. (returned status code %d, expected %d)"

    # Second table: hosts
    mysql -u$db_user -p$db_password $db_name >/dev/null 2>&1 <<EOF
    SELECT host_id, dhcp_identifier, dhcp_identifier_type, dhcp4_subnet_id, dhcp6_subnet_id, ipv4_address, hostname, dhcp4_client_classes, dhcp6_client_classes FROM hosts;
EOF
    ERRCODE=$?
    assert_eq 0 $ERRCODE "hosts table is missing or broken. (returned status code %d, expected %d)"

    # Third table: ipv6_reservations
    mysql -u$db_user -p$db_password $db_name >/dev/null 2>&1 <<EOF
    SELECT reservation_id, address, prefix_len, type, dhcp6_iaid, host_id FROM ipv6_reservations;
EOF
    ERRCODE=$?
    assert_eq 0 $ERRCODE "ipv6_reservations table is missing or broken. (returned status code %d, expected %d)"

    # Fourth table: dhcp4_options
    mysql -u$db_user -p$db_password $db_name >/dev/null 2>&1 <<EOF
    SELECT option_id, code, value, formatted_value, space, persistent, dhcp_client_class, dhcp4_subnet_id, host_id FROM dhcp4_options;
EOF
    ERRCODE=$?
    assert_eq 0 $ERRCODE "dhcp4_options table is missing or broken. (returned status code %d, expected %d)"

    # Fifth table: dhcp6_options
    mysql -u$db_user -p$db_password $db_name >/dev/null 2>&1 <<EOF
    SELECT option_id, code, value, formatted_value, space, persistent, dhcp_client_class, dhcp6_subnet_id, host_id FROM dhcp6_options;
EOF
    ERRCODE=$?
    assert_eq 0 $ERRCODE "dhcp6_options table is missing or broken. (returned status code %d, expected %d)"

    # Let's wipe the whole database
    mysql_wipe

    test_finish 0
}

mysql_upgrade_test() {

    test_start "mysql.host_reservation-upgrade"

    # Let's wipe the whole database
    mysql_wipe

    # Initialize database to scheme 1.0.
    mysql -u$db_user -p$db_password $db_name < @abs_top_srcdir@/src/bin/admin/tests/dhcpdb_create_1.0.mysql

    # Sanity check - verify that it reports version 1.0.
    version=$(${keaadmin} lease-version mysql -u $db_user -p $db_password -n $db_name -d @abs_top_srcdir@/src/bin/admin/scripts)

    assert_str_eq "1.0" ${version} "Expected kea-admin to return %s, returned value was %s"

    # Ok, we have a 1.0 database. Let's upgrade it to 3.0
    ${keaadmin} lease-upgrade mysql -u $db_user -p $db_password -n $db_name -d @abs_top_srcdir@/src/bin/admin/scripts
    ERRCODE=$?

    assert_eq 0 $ERRCODE "kea-admin lease-upgrade mysql returned non-zero status code %d, expected %d"

    # Let's check that the new tables are indeed there.

    #table: lease6 (upgrade 1.0 -> 2.0)
    mysql -u$db_user -p$db_password $db_name >/dev/null 2>&1 <<EOF
    SELECT hwaddr, hwtype, hwaddr_source FROM lease6;
EOF
    ERRCODE=$?
    assert_eq 0 $ERRCODE "lease6 table not upgraded to 2.0 (returned status code %d, expected %d)"

    #table: lease_hwaddr_source (upgrade 1.0 -> 2.0)
    mysql -u$db_user -p$db_password $db_name >/dev/null 2>&1 <<EOF
    SELECT hwaddr_source, name FROM lease_hwaddr_source;
EOF
    ERRCODE=$?
    assert_eq 0 $ERRCODE "lease_hwaddr_source table is missing or broken. (returned status code %d, expected %d)"

    #table: hosts (upgrade 2.0 -> 3.0)
    mysql -u$db_user -p$db_password $db_name >/dev/null 2>&1 <<EOF
    SELECT host_id, dhcp_identifier, dhcp_identifier_type, dhcp4_subnet_id, dhcp6_subnet_id, ipv4_address, hostname, dhcp4_client_classes, dhcp6_client_classes FROM hosts;
EOF
    ERRCODE=$?
    assert_eq 0 $ERRCODE "hosts table is missing or broken. (returned status code %d, expected %d)"

    #table: ipv6_reservations (upgrade 2.0 -> 3.0)
    mysql -u$db_user -p$db_password $db_name >/dev/null 2>&1 <<EOF
    SELECT reservation_id, address, prefix_len, type, dhcp6_iaid, host_id FROM ipv6_reservations;
EOF
    ERRCODE=$?
    assert_eq 0 $ERRCODE "ipv6_reservations table is missing or broken. (returned status code %d, expected %d)"

    #table: dhcp4_options (upgrade 2.0 -> 3.0)
    mysql -u$db_user -p$db_password $db_name >/dev/null 2>&1 <<EOF
    SELECT option_id, code, value, formatted_value, space, persistent, dhcp_client_class, dhcp4_subnet_id, host_id FROM dhcp4_options;
EOF
    ERRCODE=$?
    assert_eq 0 $ERRCODE "dhcp4_options table is missing or broken. (returned status code %d, expected %d)"

    #table: dhcp6_options (upgrade 2.0 -> 3.0)
    mysql -u$db_user -p$db_password $db_name >/dev/null 2>&1 <<EOF
    SELECT option_id, code, value, formatted_value, space, persistent, dhcp_client_class, dhcp6_subnet_id, host_id FROM dhcp6_options;
EOF
    ERRCODE=$?
    assert_eq 0 $ERRCODE "dhcp6_options table is missing or broken. (returned status code %d, expected %d)"


    # Verify that it reports version 3.0.
    version=$(${keaadmin} lease-version mysql -u $db_user -p $db_password -n $db_name)

    assert_str_eq "3.0" ${version} "Expected kea-admin to return %s, returned value was %s"

    # Let's wipe the whole database
    mysql_wipe

    test_finish 0
}

mysql_lease4_dump_test() {
    test_start "mysql.lease4_dump_test"

    test_dir="@abs_top_srcdir@/src/bin/admin/tests"
    output_dir="@abs_top_builddir@/src/bin/admin/tests"
    script_dir="@abs_top_srcdir@/src/bin/admin/scripts"

    output_file="$output_dir/data/mysql.lease4_dump_test.output.csv"
    tmp_file="$output_file.tmp"

    ref_file="$test_dir/data/mysql.lease4_dump_test.reference.csv"

    # wipe out any residuals from prior failed runs
    if [ -e $output_file ]
    then
        rm $output_file
    fi

    if [ -e $tmp_file ]
    then
        rm $tmp_file
    fi

    # Let's wipe the whole database
    mysql_wipe

    # Ok, now let's initalize the database
    ${keaadmin} lease-init mysql -u $db_user -p $db_password -n $db_name -d $script_dir
    ERRCODE=$?
    assert_eq 0 $ERRCODE "could not create database, expected exit code %d, actual %d"

    # Insert the reference record
    insert_sql="\
insert into lease4 values(10,20,30,40,\"2015-01-01 01:15:30\",50,1,1,\"one.example.com\", 0);\
insert into lease4 values(11,NULL,123,40,\"2015-02-02 02:30:45\",50,1,1,\"\", 1);\
insert into lease4 values(12,22,NULL,40,\"2015-03-03 11:01:07\",50,1,1,\"three.example.com\", 2);"

    mysql_execute "$insert_sql"
    ERRCODE=$?
    assert_eq 0 $ERRCODE "insert into lease4 failed, expected exit code %d, actual %d"

    # Dump lease4 to output_file
    ${keaadmin} lease-dump mysql -4 -u $db_user -p $db_password -n $db_name -d $script_dir -o $output_file
    ERRCODE=$?
    assert_eq 0 $ERRCODE "kea-admin lease-dump -4 failed, expected exit code %d, actual %d"

    # Compare the dump output to reference file, they should be identical
    cmp -s $output_file  $ref_file
    ERRCODE=$?
    assert_eq 0 $ERRCODE "dump file does not match reference file, expected exit code %d, actual %d"

    # remove the output file
    rm $output_file

    # Let's wipe the whole database
    mysql_wipe

    test_finish 0
}

mysql_lease6_dump_test() {
    test_start "mysql.lease6_dump_test"

    test_dir="@abs_top_srcdir@/src/bin/admin/tests"
    output_dir="@abs_top_builddir@/src/bin/admin/tests"
    script_dir="@abs_top_srcdir@/src/bin/admin/scripts"

    output_file="$output_dir/data/mysql.lease6_dump_test.output.csv"
    tmp_file="$output_file.tmp"

    ref_file="$test_dir/data/mysql.lease6_dump_test.reference.csv"

    # wipe out any residuals from prior failed runs
    if [ -e $output_file ]
    then
        rm $output_file
    fi

    if [ -e $tmp_file ]
    then
        rm $tmp_file
    fi

    # Let's wipe the whole database
    mysql_wipe

    # Ok, now let's initalize the database
    ${keaadmin} lease-init mysql -u $db_user -p $db_password -n $db_name -d $script_dir
    ERRCODE=$?
    assert_eq 0 $ERRCODE "could not create database, expected exit code %d, actual %d"

    # Insert the reference record
    insert_sql="\
insert into lease6 values(10,20,30,\"2015-04-04 01:15:30\",40,50,1,60,70,1,1,\"one.example.com\",80,90,100, 0);\
insert into lease6 values(11,NULL,30,\"2015-05-05 02:30:45\",40,50,1,60,70,1,1,\"\",80,90,100, 1);\
insert into lease6 values(12,21,30,\"2015-06-06 11:01:07\",40,50,1,60,70,1,1,\"three.example.com\",80,90,100, 2);"

    mysql_execute "$insert_sql"
    ERRCODE=$?
    assert_eq 0 $ERRCODE "insert into lease6 failed, expected exit code %d, actual %d"

    # Dump lease4 to output_file
    ${keaadmin} lease-dump mysql -6 -u $db_user -p $db_password -n $db_name -d $script_dir -o $output_file
    ERRCODE=$?
    assert_eq 0 $ERRCODE "kea-admin lease-dump -6 failed, status code %d"

    # Compare the dump output to reference file, they should be identical
    cmp -s $output_file  $ref_file
    ERRCODE=$?
    assert_eq 0 $ERRCODE "dump file does not match reference file, expected exit code %d, actual %d"

    # remove the output file
    rm $output_file

    # Let's wipe the whole database
    mysql_wipe

    test_finish 0
}


mysql_lease_init_test
mysql_host_reservation_init_test
mysql_lease_version_test
mysql_upgrade_test
mysql_lease4_dump_test
mysql_lease6_dump_test