import 'package:flutter/material.dart';

import '../../../core/constants.dart';
import '../models/request_history_entry.dart';

class RequestStatusLabel {
  final String label;
  final Color background;
  final Color foreground;
  const RequestStatusLabel(this.label, this.background, this.foreground);
}

RequestStatusLabel labelFor(RequestHistoryEntry entry) {
  if (entry.isPending) {
    return RequestStatusLabel(
      'Menunggu respon',
      Colors.amber.shade100,
      Colors.amber.shade900,
    );
  }
  switch (entry.response) {
    case RequestResponse.accepted:
      return RequestStatusLabel(
        'Diterima',
        Colors.green.shade100,
        Colors.green.shade900,
      );
    case RequestResponse.declined:
      return RequestStatusLabel(
        'Ditolak',
        Colors.grey.shade300,
        Colors.grey.shade800,
      );
    case RequestResponse.missed:
      return RequestStatusLabel(
        'Terlewat',
        Colors.grey.shade300,
        Colors.grey.shade800,
      );
    case RequestResponse.ignored:
      if (entry.sessionStatus == SessionStatus.cancelled) {
        return RequestStatusLabel(
          'Dibatalkan',
          Colors.grey.shade300,
          Colors.grey.shade800,
        );
      }
      return RequestStatusLabel(
        'Kedaluwarsa',
        Colors.grey.shade300,
        Colors.grey.shade800,
      );
    case null:
      // Non-pending null (session moved past pending_acceptance without a logged response)
      return RequestStatusLabel(
        'Kedaluwarsa',
        Colors.grey.shade300,
        Colors.grey.shade800,
      );
  }
}

String formatRelative(DateTime when) {
  final now = DateTime.now();
  final diff = now.difference(when);
  if (diff.inSeconds < 60) return 'Baru saja';
  if (diff.inMinutes < 60) return '${diff.inMinutes} menit lalu';
  if (diff.inHours < 24) return '${diff.inHours} jam lalu';
  if (diff.inDays < 2) return 'Kemarin';
  return '${diff.inDays} hari lalu';
}

String _two(int n) => n.toString().padLeft(2, '0');

String formatAbsolute(DateTime when) {
  return '${when.day}/${when.month}/${when.year} ${_two(when.hour)}:${_two(when.minute)}';
}