//go:build mysql
// +build mysql

package mysql

import (
	"encoding/json"
	"strings"
	"testing"

	ms "github.com/go-sql-driver/mysql"
)

func TestNormalizeMySQLDSN(t *testing.T) {
	tests := []struct {
		name string
		dsn  string
		user string
	}{
		{
			name: "go driver dsn",
			dsn:  "root:secret@tcp(127.0.0.1:3306)/meeting_im?parseTime=true",
			user: "root",
		},
		{
			name: "url scheme dsn",
			dsn:  "mysql://root:secret@tcp(127.0.0.1:3306)/meeting_im?parseTime=true",
			user: "root",
		},
		{
			name: "legacy scheme dsn",
			dsn:  "mysql:root:secret@tcp(127.0.0.1:3306)/meeting_im?parseTime=true",
			user: "root",
		},
	}
	for _, tc := range tests {
		t.Run(tc.name, func(t *testing.T) {
			cfg, err := ms.ParseDSN(normalizeMySQLDSN(tc.dsn))
			if err != nil {
				t.Fatalf("ParseDSN failed: %v", err)
			}
			if cfg.User != tc.user {
				t.Fatalf("user=%q, want %q", cfg.User, tc.user)
			}
		})
	}
}

func TestOpenRejectsDeprecatedTinodeDatabase(t *testing.T) {
	config := json.RawMessage(`{"dsn":"mysql://root:secret@tcp(127.0.0.1:3306)/tinode?parseTime=true"}`)
	adp := &adapter{}

	err := adp.Open(config)
	if err == nil || !strings.Contains(err.Error(), "tinode is deprecated") {
		t.Fatalf("Open() error = %v, want deprecated database error", err)
	}
}