#!/usr/bin/env bash

# shellcheck disable=SC2120
exit_1() {
	cleanup

	echo "minio1 ============"
	cat /tmp/minio1_1.log
	echo "minio2 ============"
	cat /tmp/minio2_1.log
	echo "minio3 ============"
	cat /tmp/minio3_1.log

	exit 1
}

cleanup() {
	echo "Cleaning up instances of MinIO"
	pkill minio
	pkill -9 minio
	rm -rf /tmp/minio{1,2,3}
}

cleanup

unset MINIO_KMS_KES_CERT_FILE
unset MINIO_KMS_KES_KEY_FILE
unset MINIO_KMS_KES_ENDPOINT
unset MINIO_KMS_KES_KEY_NAME

export MINIO_CI_CD=1
export MINIO_BROWSER=off
export MINIO_ROOT_USER="minio"
export MINIO_ROOT_PASSWORD="minio123"
export MINIO_KMS_AUTO_ENCRYPTION=off
export MINIO_PROMETHEUS_AUTH_TYPE=public
export MINIO_KMS_SECRET_KEY=my-minio-key:OSMM+vkKUTCvQs9YL/CVMIMt43HFhkUpqJxTmGl6rYw=
export MINIO_IDENTITY_OPENID_CONFIG_URL="http://localhost:5556/dex/.well-known/openid-configuration"
export MINIO_IDENTITY_OPENID_CLIENT_ID="minio-client-app"
export MINIO_IDENTITY_OPENID_CLIENT_SECRET="minio-client-app-secret"
export MINIO_IDENTITY_OPENID_CLAIM_NAME="groups"
export MINIO_IDENTITY_OPENID_SCOPES="openid,groups"

export MINIO_IDENTITY_OPENID_REDIRECT_URI="http://127.0.0.1:10000/oauth_callback"
minio server --address ":9001" --console-address ":10000" /tmp/minio1/{1...4} >/tmp/minio1_1.log 2>&1 &
site1_pid=$!
export MINIO_IDENTITY_OPENID_REDIRECT_URI="http://127.0.0.1:11000/oauth_callback"
minio server --address ":9002" --console-address ":11000" /tmp/minio2/{1...4} >/tmp/minio2_1.log 2>&1 &
site2_pid=$!

export MINIO_IDENTITY_OPENID_REDIRECT_URI="http://127.0.0.1:12000/oauth_callback"
minio server --address ":9003" --console-address ":12000" /tmp/minio3/{1...4} >/tmp/minio3_1.log 2>&1 &
site3_pid=$!

if [ ! -f ./mc ]; then
	wget -O mc https://dl.minio.io/client/mc/release/linux-amd64/mc &&
		chmod +x mc
fi

export MC_HOST_minio1=http://minio:minio123@localhost:9001
export MC_HOST_minio2=http://minio:minio123@localhost:9002
export MC_HOST_minio3=http://minio:minio123@localhost:9003

./mc ready minio1
./mc ready minio2
./mc ready minio3

./mc admin replicate add minio1 minio2 minio3

./mc admin policy create minio1 projecta ./docs/site-replication/rw.json
sleep 5

./mc admin policy info minio2 projecta >/dev/null 2>&1
if [ $? -ne 0 ]; then
	echo "expecting the command to succeed, exiting.."
	exit_1
fi
./mc admin policy info minio3 projecta >/dev/null 2>&1
if [ $? -ne 0 ]; then
	echo "expecting the command to succeed, exiting.."
	exit_1
fi

./mc admin policy remove minio3 projecta

sleep 10
./mc admin policy info minio1 projecta
if [ $? -eq 0 ]; then
	echo "expecting the command to fail, exiting.."
	exit_1
fi

./mc admin policy info minio2 projecta
if [ $? -eq 0 ]; then
	echo "expecting the command to fail, exiting.."
	exit_1
fi

./mc admin policy create minio1 projecta ./docs/site-replication/rw.json
sleep 5

# Generate STS credential with STS call to minio1
STS_CRED=$(MINIO_ENDPOINT=http://localhost:9001 go run ./docs/site-replication/gen-oidc-sts-cred.go)

MC_HOST_foo=http://${STS_CRED}@localhost:9001 ./mc ls foo
if [ $? -ne 0 ]; then
	echo "Expected sts credential to work, exiting.."
	exit_1
fi

sleep 2

# Check that the STS credential works on minio2 and minio3.
MC_HOST_foo=http://${STS_CRED}@localhost:9002 ./mc ls foo
if [ $? -ne 0 ]; then
	echo "Expected sts credential to work, exiting.."
	exit_1
fi

MC_HOST_foo=http://${STS_CRED}@localhost:9003 ./mc ls foo
if [ $? -ne 0 ]; then
	echo "Expected sts credential to work, exiting.."
	exit_1
fi

STS_ACCESS_KEY=$(echo ${STS_CRED} | cut -d ':' -f 1)

# Create service account for STS user
./mc admin user svcacct add minio2 $STS_ACCESS_KEY --access-key testsvc --secret-key testsvc123
if [ $? -ne 0 ]; then
	echo "adding svc account failed, exiting.."
	exit_1
fi

sleep 10

./mc admin user svcacct info minio1 testsvc
if [ $? -ne 0 ]; then
	echo "svc account not mirrored, exiting.."
	exit_1
fi

./mc admin user svcacct info minio2 testsvc
if [ $? -ne 0 ]; then
	echo "svc account not mirrored, exiting.."
	exit_1
fi

./mc admin user svcacct rm minio1 testsvc
if [ $? -ne 0 ]; then
	echo "removing svc account failed, exiting.."
	exit_1
fi

sleep 10
./mc admin user svcacct info minio2 testsvc
if [ $? -eq 0 ]; then
	echo "svc account found after delete, exiting.."
	exit_1
fi

./mc admin user svcacct info minio3 testsvc
if [ $? -eq 0 ]; then
	echo "svc account found after delete, exiting.."
	exit_1
fi

# create a bucket bucket2 on minio1.
./mc mb minio1/bucket2

./mc mb minio1/newbucket

# copy large upload to newbucket on minio1
truncate -s 17M lrgfile
expected_checksum=$(cat ./lrgfile | md5sum)

./mc cp ./lrgfile minio1/newbucket
sleep 5
./mc stat --no-list minio2/newbucket
if [ $? -ne 0 ]; then
	echo "expecting bucket to be present. exiting.."
	exit_1
fi

./mc stat --no-list minio3/newbucket
if [ $? -ne 0 ]; then
	echo "expecting bucket to be present. exiting.."
	exit_1
fi

./mc cp README.md minio2/newbucket/

sleep 5
./mc stat --no-list minio1/newbucket/README.md
if [ $? -ne 0 ]; then
	echo "expecting object to be present. exiting.."
	exit_1
fi

./mc stat --no-list minio3/newbucket/README.md
if [ $? -ne 0 ]; then
	echo "expecting object to be present. exiting.."
	exit_1
fi

./mc rm minio3/newbucket/README.md
sleep 5

./mc stat --no-list minio2/newbucket/README.md
if [ $? -eq 0 ]; then
	echo "expected file to be deleted, exiting.."
	exit_1
fi

./mc stat --no-list minio1/newbucket/README.md
if [ $? -eq 0 ]; then
	echo "expected file to be deleted, exiting.."
	exit_1
fi

sleep 10
./mc stat --no-list minio3/newbucket/lrgfile
if [ $? -ne 0 ]; then
	echo "expected object to be present, exiting.."
	exit_1
fi
actual_checksum=$(./mc cat minio3/newbucket/lrgfile | md5sum)
if [ "${expected_checksum}" != "${actual_checksum}" ]; then
	echo "replication failed on multipart objects expected ${expected_checksum} got ${actual_checksum}"
	exit
fi
rm ./lrgfile

./mc rm -r --versions --force minio1/newbucket/lrgfile
if [ $? -ne 0 ]; then
	echo "expected object to be present, exiting.."
	exit_1
fi

sleep 5
./mc stat --no-list minio1/newbucket/lrgfile
if [ $? -eq 0 ]; then
	echo "expected object to be deleted permanently after replication, exiting.."
	exit_1
fi

./mc mb --with-lock minio3/newbucket-olock
sleep 5

enabled_minio2=$(./mc stat --json minio2/newbucket-olock | jq -r .ObjectLock.enabled)
if [ $? -ne 0 ]; then
	echo "expected bucket to be mirrored with object-lock but not present, exiting..."
	exit_1
fi

if [ "${enabled_minio2}" != "Enabled" ]; then
	echo "expected bucket to be mirrored with object-lock enabled, exiting..."
	exit_1
fi

enabled_minio1=$(./mc stat --json minio1/newbucket-olock | jq -r .ObjectLock.enabled)
if [ $? -ne 0 ]; then
	echo "expected bucket to be mirrored with object-lock but not present, exiting..."
	exit_1
fi

if [ "${enabled_minio1}" != "Enabled" ]; then
	echo "expected bucket to be mirrored with object-lock enabled, exiting..."
	exit_1
fi

# "Test if most recent tag update is replicated"
./mc tag set minio2/newbucket "key=val1"
if [ $? -ne 0 ]; then
	echo "expecting tag set to be successful. exiting.."
	exit_1
fi

sleep 10
val=$(./mc tag list minio1/newbucket --json | jq -r .tagset | jq -r .key)
if [ "${val}" != "val1" ]; then
	echo "expected bucket tag to have replicated, exiting..."
	exit_1
fi
# stop minio1 instance
kill -9 ${site1_pid}
# Update tag on minio2/newbucket when minio1 is down
./mc tag set minio2/newbucket "key=val2"
# create a new bucket on minio2. This should replicate to minio1 after it comes online.
./mc mb minio2/newbucket2
# delete bucket2 on minio2. This should replicate to minio1 after it comes online.
./mc rb minio2/bucket2

# Restart minio1 instance
minio server --address ":9001" --console-address ":10000" /tmp/minio1/{1...4} >/tmp/minio1_1.log 2>&1 &
sleep 200

# Test whether most recent tag update on minio2 is replicated to minio1
val=$(./mc tag list minio1/newbucket --json | jq -r .tagset | jq -r .key)
if [ "${val}" != "val2" ]; then
	echo "expected bucket tag to have replicated, exiting..."
	exit_1
fi

# Test if bucket created/deleted when minio1 is down healed
diff -q <(./mc ls minio1) <(./mc ls minio2) 1>/dev/null
if [ $? -ne 0 ]; then
	echo "expected 'bucket2' delete and 'newbucket2' creation to have replicated, exiting..."
	exit_1
fi

# force a resync after removing all site replication
./mc admin replicate rm --all --force minio1
./mc rb minio2 --force --dangerous
./mc admin replicate add minio1 minio2
./mc admin replicate resync start minio1 minio2
sleep 30

./mc ls -r --versions minio1/newbucket >/tmp/minio1.txt
./mc ls -r --versions minio2/newbucket >/tmp/minio2.txt

out=$(diff -qpruN /tmp/minio1.txt /tmp/minio2.txt)
ret=$?
if [ $ret -ne 0 ]; then
	echo "BUG: expected no missing entries after replication resync: $out"
	exit 1
fi