package main

import (
	"context"
	"testing"

	"github.com/DATA-DOG/go-sqlmock"
)

func TestCanonicalRepairSourceRequiresVerifiedRegistryIdentity(t *testing.T) {
	for _, tc := range []struct {
		name, key, code, kind, want string
		missing, wantError          bool
	}{
		{name: "platform", key: "JT808:41456413939@117.132.196.192", code: "guangan_beidou", kind: "PLATFORM", want: "JT808:41456413939@PLATFORM:guangan_beidou"},
		{name: "direct", key: "JT808:41456413939@117.132.196.192", kind: "DIRECT", want: "JT808:41456413939@DIRECT"},
		{name: "unknown", key: "JT808:41456413939@117.132.196.192", kind: "UNKNOWN", wantError: true},
		{name: "missing", key: "JT808:41456413939@117.132.196.192", missing: true, wantError: true},
		{name: "platform-without-code", key: "JT808:41456413939@117.132.196.192", kind: "PLATFORM", wantError: true},
	} {
		t.Run(tc.name, func(t *testing.T) {
			db, mock, err := sqlmock.New()
			if err != nil {
				t.Fatal(err)
			}
			defer db.Close()
			rows := sqlmock.NewRows([]string{"code", "kind"})
			if !tc.missing {
				rows.AddRow(tc.code, tc.kind)
			}
			mock.ExpectQuery("SELECT COALESCE").WithArgs("JT808", "117.132.196.192").WillReturnRows(rows)
			got, err := canonicalRepairSource(context.Background(), db, "JT808", tc.key)
			if (err != nil) != tc.wantError || got != tc.want {
				t.Fatalf("got=%q err=%v want=%q wantError=%v", got, err, tc.want, tc.wantError)
			}
			if err := mock.ExpectationsWereMet(); err != nil {
				t.Fatal(err)
			}
		})
	}
}

func TestCanonicalRepairSourceKeepsIndependentCounters(t *testing.T) {
	for _, key := range []string{"JT808:terminal-a@PLATFORM:g7s", "JT808:terminal-b@PLATFORM:g7s", "JT808:terminal-a@PLATFORM:dongfang_beidou"} {
		got, err := canonicalRepairSource(context.Background(), nil, "JT808", key)
		if err != nil || got != key {
			t.Fatalf("independent identity changed: %s %v", got, err)
		}
	}
	if _, err := canonicalRepairSource(context.Background(), nil, "GB32960", "GB32960:vin@PLATFORM:g7s"); err == nil {
		t.Fatal("alias repair must not silently change other protocol rules")
	}
}