// Copyright 2022 PingCAP, 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 addindextest

import (
	"testing"

	"github.com/pingcap/tidb/config"
	"github.com/pingcap/tidb/testkit"
	"github.com/pingcap/tidb/tests/realtikvtest"
)

func init() {
	config.UpdateGlobal(func(conf *config.Config) {
		conf.Path = "127.0.0.1:2379"
	})
}

func initTest(t *testing.T) *suiteContext {
	store := realtikvtest.CreateMockStoreAndSetup(t)
	tk := testkit.NewTestKit(t, store)
	tk.MustExec("drop database if exists addindex;")
	tk.MustExec("create database addindex;")
	tk.MustExec("use addindex;")
	tk.MustExec(`set global tidb_ddl_enable_fast_reorg=on;`)

	ctx := newSuiteContext(t, tk, store)
	createTable(tk)
	insertRows(tk)
	initWorkloadParams(ctx)
	return ctx
}

func TestCreateNonUniqueIndex(t *testing.T) {
	var colIDs = [][]int{
		{1, 4, 7, 10, 13, 16, 19, 22, 25},
		{2, 5, 8, 11, 14, 17, 20, 23, 26},
		{3, 6, 9, 12, 15, 18, 21, 24, 27},
	}
	ctx := initTest(t)
	testOneColFrame(ctx, colIDs, addIndexNonUnique)
}

func TestCreateUniqueIndex(t *testing.T) {
	var colIDs [][]int = [][]int{
		{1, 6, 7, 8, 11, 13, 15, 16, 18, 19, 22, 26},
		{2, 9, 11, 17},
		{3, 12, 25},
	}
	ctx := initTest(t)
	testOneColFrame(ctx, colIDs, addIndexUnique)
}

func TestCreatePrimaryKey(t *testing.T) {
	ctx := initTest(t)
	testOneIndexFrame(ctx, 0, addIndexPK)
}

func TestCreateGenColIndex(t *testing.T) {
	ctx := initTest(t)
	testOneIndexFrame(ctx, 29, addIndexGenCol)
}

func TestCreateMultiColsIndex(t *testing.T) {
	var coliIDs = [][]int{
		{1, 4, 7},
		{2, 5},
		{3, 6, 9},
	}
	var coljIDs = [][]int{
		{16, 19},
		{14, 17, 20},
		{18, 21},
	}

	if *FullMode {
		coliIDs = [][]int{
			{1, 4, 7, 10, 13},
			{2, 5, 8, 11},
			{3, 6, 9, 12, 15},
		}
		coljIDs = [][]int{
			{16, 19, 22, 25},
			{14, 17, 20, 23, 26},
			{18, 21, 24, 27},
		}
	}
	ctx := initTest(t)
	testTwoColsFrame(ctx, coliIDs, coljIDs, addIndexMultiCols)
}