#!/bin/bash

set -eu

CUR=$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)
source $CUR/../_utils/test_prepare
WORK_DIR=$OUT_DIR/$TEST_NAME
CDC_BINARY=cdc.test
SINK_TYPE=$1

CDC_COUNT=3
DB_COUNT=4

function run_length_limit() {
	rm -rf $WORK_DIR && mkdir -p $WORK_DIR

	start_tidb_cluster --workdir $WORK_DIR

	cd $WORK_DIR

	run_sql "DROP DATABASE if exists kafka_message;" ${UP_TIDB_HOST} ${UP_TIDB_PORT}

	start_ts=$(run_cdc_cli_tso_query ${UP_PD_HOST_1} ${UP_PD_PORT_1})
	run_sql "CREATE DATABASE kafka_message;" ${UP_TIDB_HOST} ${UP_TIDB_PORT}
	go-ycsb load mysql -P $CUR/conf/workload -p mysql.host=${UP_TIDB_HOST} -p mysql.port=${UP_TIDB_PORT} -p mysql.user=root -p mysql.db=kafka_message
	run_cdc_server --workdir $WORK_DIR --binary $CDC_BINARY --loglevel "info"

	TOPIC_NAME="ticdc-kafka-message-test-$RANDOM"
	# Use a max-message-bytes parameter that is larger than the kafka broker max message bytes.
	# Test if TiCDC automatically uses the max-message-bytes of the broker.
	# See: https://github.com/PingCAP-QE/ci/blob/ddde195ebf4364a0028d53405d1194aa37a4d853/jenkins/pipelines/ci/ticdc/cdc_ghpr_kafka_integration_test.groovy#L178
	SINK_URI="kafka://127.0.0.1:9092/$TOPIC_NAME?protocol=open-protocol&partition-num=4&kafka-version=${KAFKA_VERSION}&max-message-bytes=12582912"
	run_cdc_cli changefeed create --start-ts=$start_ts --sink-uri="$SINK_URI"
	if [ "$SINK_TYPE" == "kafka" ]; then
		run_kafka_consumer $WORK_DIR "kafka://127.0.0.1:9092/$TOPIC_NAME?protocol=open-protocol&partition-num=4&version=${KAFKA_VERSION}"
	fi

	# Add a check table to reduce check time, or if we check data with sync diff
	# directly, there maybe a lot of diff data at first because of the incremental scan
	run_sql "CREATE table kafka_message.check1(id int primary key);" ${UP_TIDB_HOST} ${UP_TIDB_PORT}
	check_table_exists "kafka_message.usertable" ${DOWN_TIDB_HOST} ${DOWN_TIDB_PORT} 90
	check_table_exists "kafka_message.check1" ${DOWN_TIDB_HOST} ${DOWN_TIDB_PORT} 90
	check_sync_diff $WORK_DIR $CUR/conf/diff_config.toml

	run_sql "truncate table kafka_message.usertable" ${UP_TIDB_HOST} ${UP_TIDB_PORT}
	check_sync_diff $WORK_DIR $CUR/conf/diff_config.toml
	run_sql "CREATE table kafka_message.check2(id int primary key);" ${UP_TIDB_HOST} ${UP_TIDB_PORT}
	check_table_exists "kafka_message.check2" ${DOWN_TIDB_HOST} ${DOWN_TIDB_PORT} 90
	check_sync_diff $WORK_DIR $CUR/conf/diff_config.toml

	go-ycsb load mysql -P $CUR/conf/workload -p mysql.host=${UP_TIDB_HOST} -p mysql.port=${UP_TIDB_PORT} -p mysql.user=root -p mysql.db=kafka_message
	run_sql "CREATE table kafka_message.check3(id int primary key);" ${UP_TIDB_HOST} ${UP_TIDB_PORT}
	check_table_exists "kafka_message.check3" ${DOWN_TIDB_HOST} ${DOWN_TIDB_PORT} 90
	check_sync_diff $WORK_DIR $CUR/conf/diff_config.toml

	run_sql "create table kafka_message.usertable2 like kafka_message.usertable" ${UP_TIDB_HOST} ${UP_TIDB_PORT}
	run_sql "insert into kafka_message.usertable2 select * from kafka_message.usertable" ${UP_TIDB_HOST} ${UP_TIDB_PORT}
	run_sql "create table kafka_message.check4(id int primary key);" ${UP_TIDB_HOST} ${UP_TIDB_PORT}
	check_table_exists "kafka_message.usertable2" ${DOWN_TIDB_HOST} ${DOWN_TIDB_PORT} 90
	check_table_exists "kafka_message.check4" ${DOWN_TIDB_HOST} ${DOWN_TIDB_PORT} 90

	check_sync_diff $WORK_DIR $CUR/conf/diff_config.toml

	cleanup_process $CDC_BINARY
	stop_tidb_cluster
}

function run_batch_size_limit() {
	rm -rf $WORK_DIR && mkdir -p $WORK_DIR

	start_tidb_cluster --workdir $WORK_DIR

	cd $WORK_DIR

	run_sql "DROP DATABASE if exists kafka_message;" ${UP_TIDB_HOST} ${UP_TIDB_PORT}

	start_ts=$(run_cdc_cli_tso_query ${UP_PD_HOST_1} ${UP_PD_PORT_1})
	run_sql "CREATE DATABASE kafka_message;" ${UP_TIDB_HOST} ${UP_TIDB_PORT}
	go-ycsb load mysql -P $CUR/conf/workload -p mysql.host=${UP_TIDB_HOST} -p mysql.port=${UP_TIDB_PORT} -p mysql.user=root -p mysql.db=kafka_message
	run_cdc_server --workdir $WORK_DIR --binary $CDC_BINARY --loglevel "info"

	TOPIC_NAME="ticdc-kafka-message-test-$RANDOM"
	SINK_URI="kafka://127.0.0.1:9092/$TOPIC_NAME?protocol=open-protocol&partition-num=4&max-batch-size=3&kafka-version=${KAFKA_VERSION}&max-message-bytes=10485760"
	run_cdc_cli changefeed create --start-ts=$start_ts --sink-uri="$SINK_URI"
	if [ "$SINK_TYPE" == "kafka" ]; then
		run_kafka_consumer $WORK_DIR "kafka://127.0.0.1:9092/$TOPIC_NAME?protocol=open-protocol&partition-num=4&version=${KAFKA_VERSION}&max-message-bytes=10485760&max-batch-size=3"
	fi

	# Add a check table to reduce check time, or if we check data with sync diff
	# directly, there maybe a lot of diff data at first because of the incremental scan
	run_sql "CREATE table kafka_message.check1(id int primary key);" ${UP_TIDB_HOST} ${UP_TIDB_PORT}
	check_table_exists "kafka_message.usertable" ${DOWN_TIDB_HOST} ${DOWN_TIDB_PORT} 90
	check_table_exists "kafka_message.check1" ${DOWN_TIDB_HOST} ${DOWN_TIDB_PORT} 90
	check_sync_diff $WORK_DIR $CUR/conf/diff_config.toml

	run_sql "truncate table kafka_message.usertable" ${UP_TIDB_HOST} ${UP_TIDB_PORT}
	check_sync_diff $WORK_DIR $CUR/conf/diff_config.toml
	run_sql "CREATE table kafka_message.check2(id int primary key);" ${UP_TIDB_HOST} ${UP_TIDB_PORT}
	check_table_exists "kafka_message.check2" ${DOWN_TIDB_HOST} ${DOWN_TIDB_PORT} 90
	check_sync_diff $WORK_DIR $CUR/conf/diff_config.toml

	go-ycsb load mysql -P $CUR/conf/workload -p mysql.host=${UP_TIDB_HOST} -p mysql.port=${UP_TIDB_PORT} -p mysql.user=root -p mysql.db=kafka_message
	run_sql "CREATE table kafka_message.check3(id int primary key);" ${UP_TIDB_HOST} ${UP_TIDB_PORT}
	check_table_exists "kafka_message.check3" ${DOWN_TIDB_HOST} ${DOWN_TIDB_PORT} 90
	check_sync_diff $WORK_DIR $CUR/conf/diff_config.toml

	run_sql "create table kafka_message.usertable2 like kafka_message.usertable" ${UP_TIDB_HOST} ${UP_TIDB_PORT}
	run_sql "insert into kafka_message.usertable2 select * from kafka_message.usertable" ${UP_TIDB_HOST} ${UP_TIDB_PORT}
	run_sql "create table kafka_message.check4(id int primary key);" ${UP_TIDB_HOST} ${UP_TIDB_PORT}
	check_table_exists "kafka_message.usertable2" ${DOWN_TIDB_HOST} ${DOWN_TIDB_PORT} 90
	check_table_exists "kafka_message.check4" ${DOWN_TIDB_HOST} ${DOWN_TIDB_PORT} 90

	check_sync_diff $WORK_DIR $CUR/conf/diff_config.toml

	cleanup_process $CDC_BINARY
	stop_tidb_cluster
}

function run() {
	# test kafka sink only in this case
	if [ "$SINK_TYPE" != "kafka" ]; then
		return
	fi

	run_length_limit $*
	run_batch_size_limit $*
}

trap stop_tidb_cluster EXIT
check_logs $WORK_DIR
echo "[$(date)] <<<<<< run test case $TEST_NAME success! >>>>>>"