package clause

type Insert struct {
	Table    Table
	Modifier string
}

// Name insert clause name
func (insert Insert) Name() string {
	return "INSERT"
}

// Build build insert clause
func (insert Insert) Build(builder Builder) {
	if insert.Modifier != "" {
		builder.WriteString(insert.Modifier)
		builder.WriteByte(' ')
	}

	builder.WriteString("INTO ")
	if insert.Table.Name == "" {

		Vars    []interface{}
	}{
		{
			[]clause.Interface{clause.Insert{}},
			"INSERT INTO `users`", nil,
		},
		{
			[]clause.Interface{clause.Insert{Modifier: "LOW_PRIORITY"}},
			"INSERT LOW_PRIORITY INTO `users`", nil,
		},
		{
			[]clause.Interface{clause.Insert{Table: clause.Table{Name: "products"}, Modifier: "LOW_PRIORITY"}},
			"INSERT LOW_PRIORITY INTO `products`", nil,
		},
	}

	if stmt.SQL.String() == "" || len(stmt.Vars) != 2 {
		t.Errorf("Failed to generate sql, got %v", stmt.SQL.String())
	}

	if !regexp.MustCompile(`INSERT INTO .user_with_points. \(.name.,.point.\) VALUES \(.+,ST_PointFromText\(.+\)\)`).MatchString(stmt.SQL.String()) {
		t.Errorf("insert with sql.Expr, but got %v", stmt.SQL.String())
	}

	if !reflect.DeepEqual([]interface{}{"jinzhu", "POINT(100 100)"}, stmt.Vars) {

	// 1. g1 begin tx, g1 is requeue because of waiting for the system call, now `db.ConnPool` db.numOpen == 1.
	// 2. g2 select lock `conn.PrepareContext(ctx, query)`, now db.numOpen == db.maxOpen , wait for release.
	// 3. g1 tx exec insert, wait for unlock `conn.PrepareContext(ctx, query)` to finish tx and release.
	stmt, err := conn.PrepareContext(ctx, query)
	if err != nil {
		cacheStmt.prepareErr = err
		db.Mux.Lock()
		delete(db.Stmts, query)

}

func (DummyDialector) Name() string {
	return "dummy"
}

func (DummyDialector) Initialize(db *gorm.DB) error {
	callbacks.RegisterDefaultCallbacks(db, &callbacks.Config{
		CreateClauses:        []string{"INSERT", "VALUES", "ON CONFLICT", "RETURNING"},
		UpdateClauses:        []string{"UPDATE", "SET", "WHERE", "RETURNING"},
		DeleteClauses:        []string{"DELETE", "FROM", "WHERE", "RETURNING"},
		LastInsertIDReversed: true,
	})

* Eager loading with `Preload`, `Joins`
* Transactions, Nested Transactions, Save Point, RollbackTo to Saved Point
* Context, Prepared Statement Mode, DryRun Mode
* Batch Insert, FindInBatches, Find To Map
* SQL Builder, Upsert, Locking, Optimizer/Index/Comment Hints, NamedArg, Search/Update/Create with SQL Expr
* Composite Primary Key
* Auto Migrations
* Logger

package callbacks

import (
	"gorm.io/gorm"
)

var (
	createClauses = []string{"INSERT", "VALUES", "ON CONFLICT"}
	queryClauses  = []string{"SELECT", "FROM", "WHERE", "GROUP BY", "ORDER BY", "LIMIT", "FOR"}
	updateClauses = []string{"UPDATE", "SET", "WHERE"}
	deleteClauses = []string{"DELETE", "FROM", "WHERE"}
)

type Config struct {
	LastInsertIDReversed bool
	CreateClauses        []string
	QueryClauses         []string

		JobInfo: Job{
			Title:    "programmer",
			Number:   9920,
			Location: "Shadyside",
			IsIntern: false,
		},
		CustomSerializerString: "world",
	}

	// first time insert record
	out := SerializerStruct{}
	if err := DB.Assign(data).FirstOrCreate(&out).Error; err != nil {
		t.Fatalf("failed to FirstOrCreate Assigned data, got error %v", err)
	}

	var result SerializerStruct

		Clauses []clause.Interface
		Result  string
		Vars    []interface{}
	}{
		{
			[]clause.Interface{
				clause.Insert{},
				clause.Values{
					Columns: []clause.Column{{Name: "name"}, {Name: "age"}},
					Values:  [][]interface{}{{"jinzhu", 18}, {"josh", 1}},
				},
			},
			"INSERT INTO `users` (`name`,`age`) VALUES (?,?),(?,?)",
			[]interface{}{"jinzhu", 18, "josh", 1},
		},
	}

	conn := &wrapperConnPool{
		db: nativeDB,
		expect: []string{
			"SELECT VERSION()",
			"INSERT INTO `users` (`created_at`,`updated_at`,`deleted_at`,`name`,`age`,`birthday`,`company_id`,`manager_id`,`active`) VALUES (?,?,?,?,?,?,?,?,?)",
			"SELECT * FROM `users` WHERE name = ? AND `users`.`deleted_at` IS NULL ORDER BY `users`.`id` LIMIT ?",