package store

import (
	"os"
	"testing"

	"github.com/jmoiron/sqlx"
)

func TestOrderCreatedTimeRespectsDatabaseSessionZone(t *testing.T) {
	dsn := os.Getenv("OLONS_TEST_MYSQL_DSN")
	if dsn == "" {
		t.Skip("set OLONS_TEST_MYSQL_DSN to run the time integration test")
	}
	db, err := sqlx.Connect("mysql", dsn)
	if err != nil {
		t.Fatal(err)
	}
	db.SetMaxOpenConns(1)
	db.SetMaxIdleConns(1)
	t.Cleanup(func() { _ = db.Close() })
	if _, err := db.Exec(`CREATE TEMPORARY TABLE order_time_fixture (created_at DATETIME(3))`); err != nil {
		t.Fatal(err)
	}
	for _, test := range []struct{ zone, wallTime string }{
		{"+00:00", "2026-10-22 13:06:00"},
		{"+08:00", "2026-10-22 21:06:00"},
	} {
		t.Run(test.zone, func(t *testing.T) {
			if _, err := db.Exec(`SET SESSION time_zone=?`, test.zone); err != nil {
				t.Fatal(err)
			}
			if _, err := db.Exec(`DELETE FROM order_time_fixture`); err != nil {
				t.Fatal(err)
			}
			if _, err := db.Exec(`INSERT INTO order_time_fixture (created_at) VALUES (?)`, test.wallTime); err != nil {
				t.Fatal(err)
			}
			var actual string
			if err := db.Get(&actual, `SELECT `+databaseWallTimeUTC("created_at")+` FROM order_time_fixture`); err != nil {
				t.Fatal(err)
			}
			if actual != "2026-10-22T13:06:00Z" {
				t.Fatalf("normalized timestamp = %q, want 2026-10-22T13:06:00Z", actual)
			}
		})
	}
}