import 'package:flutter/material.dart';
import 'package:mobile_monitoring/data/services/planting_cycles_service.dart';
import 'package:mobile_monitoring/core/utils/phase_display_utils.dart';

class MonitoringStatusData {
  final String status;
  final Color color;
  final String description;

  const MonitoringStatusData({
    required this.status,
    required this.color,
    required this.description,
  });
}

class MonitoringCardService {
  final PlantingCyclesService _cyclesService;

  static const double _phMin = 4.0;
  static const double _phMax = 6.0;

  MonitoringCardService({PlantingCyclesService? cyclesService})
    : _cyclesService = cyclesService ?? PlantingCyclesService();

  Stream<PhaseDisplayConfig> growthPhaseStream(String? userId) {
    if (userId == null || userId.isEmpty) {
      return Stream.value(PhaseDisplayUtils.vegetatif);
    }

    return _cyclesService
        .getActiveCycleStream(userId: userId)
        .map((data) => _parsePhase(data?['growth_phase'] as String?));
  }

  PhaseDisplayConfig parsePhase(String? phase) => _parsePhase(phase);

  // Get phase display name
  String getPhaseName(PhaseDisplayConfig phase) {
    return phase.name;
  }

  // Get phase color
  Color getPhaseColor(PhaseDisplayConfig phase) {
    return phase.color;
  }

  // Get TDS/nutrient target range for phase
  String getTdsRange(PhaseDisplayConfig phase) {
    return 'Target: ${phase.nutrientMin}-${phase.nutrientMax} ppm';
  }

  // Determine status (normal/abnormal) based on measurement and phase
  MonitoringStatusData determineStatus({
    required String title,
    required String value,
    required PhaseDisplayConfig phase,
    required String fallbackStatus,
    required Color fallbackColor,
    required String fallbackDescription,
  }) {
    final titleLower = title.toLowerCase();
    final numValue =
        double.tryParse(value.replaceAll(RegExp(r'[^0-9\.]'), '')) ?? 0.0;

    if (titleLower.contains('ph')) {
      if (numValue >= _phMin && numValue <= _phMax) {
        return const MonitoringStatusData(
          status: 'Normal',
          color: Color(0xFF4CAF50),
          description: 'pH berada dalam rentang ideal',
        );
      } else {
        return const MonitoringStatusData(
          status: 'Abnormal',
          color: Color(0xFFF44336),
          description: 'pH di luar rentang ideal',
        );
      }
    }

    if (titleLower.contains('nutrient') || titleLower.contains('tds')) {
      final min = phase.nutrientMin;
      final max = phase.nutrientMax;

      if (numValue >= min && numValue <= max) {
        return MonitoringStatusData(
          status: 'Normal',
          color: const Color(0xFF4CAF50),
          description: 'Kadar nutrisi optimal untuk fase ${phase.name}',
        );
      } else {
        return const MonitoringStatusData(
          status: 'Abnormal',
          color: Color(0xFFF44336),
          description: 'Kadar nutrisi di luar rentang ideal',
        );
      }
    }

    return MonitoringStatusData(
      status: fallbackStatus,
      color: fallbackColor,
      description: fallbackDescription,
    );
  }

  PhaseDisplayConfig _parsePhase(String? phase) {
    return PhaseDisplayUtils.fromName(phase?.toLowerCase() ?? 'vegetatif');
  }
}