import 'package:flutter/material.dart';
import 'package:flutter_test/flutter_test.dart';
import 'package:pad_scanner/services/code_parser.dart';
import 'package:pad_scanner/services/registration_linking.dart';

void main() {
  group('registration linking helpers', () {
    test('detects transit target by type or code prefix', () {
      expect(isTransitTarget(CodeType.locationTransit, 'TRANS-01'), isTrue);
      expect(isTransitTarget(CodeType.locationNormal, 'TRANS-02'), isTrue);
      expect(isTransitTarget(CodeType.locationNormal, 'A01-02-03'), isFalse);
      expect(isTransitTarget(null, null), isFalse);
    });

    test('builds submit labels for normal and transit modes', () {
      expect(
        registrationSubmitLabel(
          isTransitTarget: false,
          isMultiCode: false,
          zongpaiCount: 1,
        ),
        '确 认 上 架',
      );
      expect(
        registrationSubmitLabel(
          isTransitTarget: false,
          isMultiCode: true,
          zongpaiCount: 3,
        ),
        '批量上架（3 条）',
      );
      expect(
        registrationSubmitLabel(
          isTransitTarget: true,
          isMultiCode: false,
          zongpaiCount: 1,
        ),
        '转运并装箱',
      );
      expect(
        registrationSubmitLabel(
          isTransitTarget: true,
          isMultiCode: true,
          zongpaiCount: 3,
        ),
        '批量转运并凑箱（3 条）',
      );
    });

    test('uses orange submit color only for enabled transit target', () {
      const primary = Colors.blue;
      expect(
        registrationSubmitColor(
          canSubmit: true,
          isTransitTarget: true,
          primaryColor: primary,
        ),
        Colors.orange,
      );
      expect(
        registrationSubmitColor(
          canSubmit: true,
          isTransitTarget: false,
          primaryColor: primary,
        ),
        primary,
      );
      expect(
        registrationSubmitColor(
          canSubmit: false,
          isTransitTarget: true,
          primaryColor: primary,
        ),
        Colors.grey.shade300,
      );
    });

    test('validates all codes belong to one paicha', () {
      expect(allSamePaicha(['R00001', 'R00001']), isTrue);
      expect(allSamePaicha(['R00001', 'R00002']), isFalse);
      expect(allSamePaicha(['R00001', null]), isFalse);
      expect(allSamePaicha(<String>[]), isFalse);
    });
  });
}