// Copyright 2024 Dolthub, Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

package main

import (
	"flag"
	"log"
	"os"
	"testing"
)

// We generate various TLS keys and certificates and some JWKS/JWT material
// which the tests reference. We do this once for the test run, because it can
// be expensive, and we expose the location of the generated files through an
// environment variable. The test definitions interpolate that environment
// variable into a few fields.
//
// It's good enough for now, and it keeps us from checking in certificates or
// JWT which will expire at some point in the future.
func TestMain(m *testing.M) {
	old := os.Getenv("TESTGENDIR")
	defer func() {
		os.Setenv("TESTGENDIR", old)
	}()
	gendir, err := os.MkdirTemp(os.TempDir(), "go-sql-server-driver-gen-*")
	if err != nil {
		log.Fatalf("could not create temp dir: %v", err)
	}
	defer os.RemoveAll(gendir)
	err = GenerateTestJWTs(gendir)
	if err != nil {
		log.Fatalf("%v", err)
	}
	err = GenerateX509Certs(gendir)
	if err != nil {
		log.Fatalf("%v", err)
	}
	os.Setenv("TESTGENDIR", gendir)
	flag.Parse()
	InitGlobalDynamicPorts()
	os.Exit(m.Run())
}

func InitGlobalDynamicPorts() {
	// XXX: Max and min here could be supplied by flags. Currently
	// tests use at most 6 ports, so this may run out of ports if
	// we have more than ~40 concurrent processes.
	for i := 0; i < 256; i++ {
		GlobalPorts.available = append(GlobalPorts.available, 5432+i)
	}
}

func TestConfig(t *testing.T) {
	t.Parallel()
	RunTestsFile(t, "tests/sql-server-config.yaml")
}

func TestCluster(t *testing.T) {
	t.Parallel()
	RunTestsFile(t, "tests/sql-server-cluster.yaml")
}

func TestClusterUsersAndGrants(t *testing.T) {
	t.Parallel()
	RunTestsFile(t, "tests/sql-server-cluster-users-and-grants.yaml")
}

func TestRemotesAPI(t *testing.T) {
	t.Parallel()
	RunTestsFile(t, "tests/sql-server-remotesapi.yaml")
}

// TestSingle is a convenience method for running a single test from within an IDE. Unskip and set to the file and name
// of the test you want to debug. See README.md in the `tests` directory for more debugging info.
func TestSingle(t *testing.T) {
	t.Skip()
	RunSingleTest(t, "tests/sql-server-cluster.yaml", "primary comes up and replicates to standby")
}

func TestClusterTLS(t *testing.T) {
	t.Parallel()
	RunTestsFile(t, "tests/sql-server-cluster-tls.yaml")
}

func TestOriginal(t *testing.T) {
	t.Parallel()
	RunTestsFile(t, "tests/sql-server-orig.yaml")
}

func TestTLS(t *testing.T) {
	t.Parallel()
	RunTestsFile(t, "tests/sql-server-tls.yaml")
}

func TestClusterReadOnly(t *testing.T) {
	t.Parallel()
	RunTestsFile(t, "tests/sql-server-cluster-read-only.yaml")
}

func TestLargeTextReplication(t *testing.T) {
	t.Parallel()
	RunTestsFile(t, "tests/sql-server-large-text-replication.yaml")
}

func TestLargeBlobReplication(t *testing.T) {
	t.Parallel()
	RunTestsFile(t, "tests/sql-server-large-blob-replication.yaml")
}

func TestLargeJSONReplication(t *testing.T) {
	t.Parallel()
	RunTestsFile(t, "tests/sql-server-large-json-replication.yaml")
}

func TestLargeMultiColumnReplication(t *testing.T) {
	t.Parallel()
	RunTestsFile(t, "tests/sql-server-large-multi-column-replication.yaml")
}

func TestLargeValuesGC(t *testing.T) {
	t.Parallel()
	RunTestsFile(t, "tests/sql-server-large-values-gc.yaml")
}

func TestTypeDiversityCluster(t *testing.T) {
	t.Parallel()
	RunTestsFile(t, "tests/sql-server-type-diversity.yaml")
}

func TestWideIntTable(t *testing.T) {
	t.Parallel()
	RunTestsFile(t, "tests/sql-server-wide-int-table.yaml")
}

func TestWideVarcharTable(t *testing.T) {
	t.Parallel()
	RunTestsFile(t, "tests/sql-server-wide-varchar-table.yaml")
}

func TestWideTextTable(t *testing.T) {
	t.Parallel()
	RunTestsFile(t, "tests/sql-server-wide-text-table.yaml")
}

func TestLargeValuesFailover(t *testing.T) {
	t.Parallel()
	RunTestsFile(t, "tests/sql-server-large-values-failover.yaml")
}

func TestWideTableFailover(t *testing.T) {
	t.Parallel()
	RunTestsFile(t, "tests/sql-server-wide-table-failover.yaml")
}