package binlog

import (
	"testing"
	"time"
)

func TestSummarizeTransaction(t *testing.T) {
	tx := Transaction{
		GTID:              "uuid:1",
		Timestamp:         100,
		StartPos:          120,
		EndPos:            240,
		Size:              120,
		LastCommitted:     98,
		SequenceNumber:    100,
		TransactionLength: 4096,
		Txs: []TxDetail{
			{SqlType: "query", Sql: "BEGIN", Timestamp: 100},
			{SqlType: "insert", Db: "Shop", Table: "Orders", Sql: "insert into orders values (1)", RowCount: 2, Timestamp: 101},
			{SqlType: "delete", Db: "shop", Table: "orders", Sql: "delete from orders where id = 2", RowCount: 1, Timestamp: 102},
			{SqlType: "query", Sql: "COMMIT", Timestamp: 103},
		},
	}

	got := SummarizeTransaction(tx)
	if got.Outcome != TransactionOutcomeCommit {
		t.Fatalf("unexpected outcome: %s", got.Outcome)
	}
	if !got.HasBeginBoundary || !got.HasEndBoundary || !got.HasExplicitDuration || !got.HasDuration {
		t.Fatalf("expected explicit duration markers: %#v", got)
	}
	if got.Duration != 3*time.Second {
		t.Fatalf("unexpected duration: %s", got.Duration)
	}
	if got.RowsCount != 3 || got.StatementsCount != 2 {
		t.Fatalf("unexpected rows/statements: rows=%d stmts=%d", got.RowsCount, got.StatementsCount)
	}
	if len(got.Tables) != 1 || got.Tables[0] != "shop.orders" {
		t.Fatalf("unexpected tables: %#v", got.Tables)
	}
	if got.SampleSQL != "insert into orders values (1)" {
		t.Fatalf("unexpected sample sql: %q", got.SampleSQL)
	}
	if got.LastCommitted != 98 || got.SequenceNumber != 100 || got.TransactionLength != 4096 {
		t.Fatalf("logical metadata not preserved: %#v", got)
	}
}

func TestSummarizeTransaction_Autocommit(t *testing.T) {
	tx := Transaction{
		GTID:      "uuid:2",
		Timestamp: 100,
		Txs: []TxDetail{
			{SqlType: "insert", Db: "db", Table: "tb", Sql: "insert into tb values (1)", RowCount: 1, Timestamp: 100},
		},
	}

	got := SummarizeTransaction(tx)
	if got.Outcome != TransactionOutcomeAutocommit {
		t.Fatalf("unexpected outcome: %s", got.Outcome)
	}
	if got.SeenTime.IsZero() || got.BeginTime.IsZero() || got.EndTime.IsZero() {
		t.Fatalf("expected lazy times to be filled: %#v", got)
	}
}