import React from 'react'
import { View, Text, StyleSheet } from 'react-native'
import { Measurement } from '../types'

type Props = { measurement: Measurement | null }

const rows: { label: string; key: keyof Measurement; suffix: string }[] = [
  { label: 'Gewicht', key: 'weight', suffix: 'kg' },
  { label: 'BMI', key: 'bmi', suffix: '' },
  { label: 'Vetpercentage', key: 'bodyFatPercentage', suffix: '%' },
  { label: 'Vetmassa', key: 'fatMass', suffix: 'kg' },
  { label: 'Spierpercentage', key: 'musclePercentage', suffix: '%' },
  { label: 'Spiermassa', key: 'muscleMass', suffix: 'kg' },
  { label: 'Buikvet', key: 'visceralFat', suffix: '' },
  { label: 'Stofwisseling', key: 'bmr', suffix: 'kcal' },
]

export default function LatestMeasurementCard({ measurement }: Props) {
  if (!measurement) {
    return (
      <View style={styles.card}>
        <Text style={styles.emptyText}>Nog geen metingen</Text>
      </View>
    )
  }

  return (
    <View style={styles.card}>
      <Text style={styles.title}>Laatste meting</Text>
      <Text style={styles.date}>{new Date(measurement.measuredAt).toLocaleDateString('nl-NL')}</Text>
      {rows.map(r => (
        <View key={r.key} style={styles.row}>
          <Text style={styles.rowLabel}>{r.label}</Text>
          <Text style={styles.rowValue}>
            {typeof measurement[r.key] === 'number'
              ? (measurement[r.key] as number).toFixed(1)
              : measurement[r.key]}{' '}
            {r.suffix}
          </Text>
        </View>
      ))}
    </View>
  )
}

const styles = StyleSheet.create({
  card: { backgroundColor: '#fff', borderRadius: 12, padding: 16, margin: 16, shadowColor: '#000', shadowOpacity: 0.1, shadowRadius: 8, elevation: 3 },
  title: { fontSize: 18, fontWeight: '700', marginBottom: 4 },
  date: { fontSize: 14, color: '#666', marginBottom: 12 },
  row: { flexDirection: 'row', justifyContent: 'space-between', paddingVertical: 4 },
  rowLabel: { fontSize: 14, color: '#555' },
  rowValue: { fontSize: 14, fontWeight: '600' },
  emptyText: { fontSize: 16, color: '#999', textAlign: 'center', padding: 20 },
})