import { useState } from 'react';
import { StyleSheet, Platform, KeyboardAvoidingView, ScrollView } from 'react-native';
import { TextInput, Button, Snackbar } from 'react-native-paper';
import useLocationStore from '@/store';

export default function FormScreen() {
  const addLocation = useLocationStore((state) => state.addLocation);

  const [formData, setFormData] = useState({
    name: '',
    description: '',
    image: '',
    area: '',
    population: '',
  });
  const [message, setMessage] = useState('');
  const [visible, setVisible] = useState(false);

  const handleAddLocation = () => {
    if (
      formData.name &&
      formData.description &&
      formData.image &&
      formData.area &&
      formData.population
    ) {
      const newLocation = {
        id: Date.now(), // Generowanie unikalnego ID
        name: formData.name,
        description: formData.description,
        image: formData.image,
        area: formData.area,
        population: formData.population,
      };

      addLocation(newLocation);

      setFormData({
        name: '',
        description: '',
        image: '',
        area: '',
        population: '',
      });
      setMessage('Lokalizacja została dodana!');
      setVisible(true);
    } else {
      setMessage('Wypełnij wszystkie pola!');
      setVisible(true);
    }
  };

  return (
    <KeyboardAvoidingView
      style={{ flex: 1 }}
      behavior={Platform.OS === 'ios' ? 'padding' : 'height'}
    >
      <ScrollView contentContainerStyle={styles.container}>
        <Snackbar
          visible={visible}
          onDismiss={() => setVisible(false)}
          duration={3000}
        >
          {message}
        </Snackbar>
        <TextInput
          mode="outlined"
          label="Nazwa"
          placeholder="Wpisz nazwę"
          style={{ margin: 10, width: '100%' }}
          value={formData.name}
          onChangeText={(e) => setFormData({ ...formData, name: e })}
        />
        <TextInput
          mode="outlined"
          label="Opis"
          placeholder="Wpisz opis"
          style={{ margin: 10, width: '100%' }}
          multiline={true}
          value={formData.description}
          onChangeText={(e) => setFormData({ ...formData, description: e })}
        />
        <TextInput
          mode="outlined"
          label="Link do zdjęcia"
          placeholder="Wpisz link do zdjęcia"
          multiline={true}
          style={{ margin: 10, width: '100%' }}
          value={formData.image}
          onChangeText={(e) => setFormData({ ...formData, image: e })}
        />
        <TextInput
          mode="outlined"
          label="Powierzchnia"
          placeholder="Wpisz powierzchnię"
          style={{ margin: 10, width: '100%' }}
          value={formData.area}
          onChangeText={(e) => setFormData({ ...formData, area: e })}
        />
        <TextInput
          mode="outlined"
          label="Ludność"
          placeholder="Wpisz liczbę ludności"
          style={{ margin: 10, width: '100%' }}
          value={formData.population}
          keyboardType="numeric"
          onChangeText={(e) => setFormData({ ...formData, population: e })}
        />
        <Button
          style={{ margin: 10, width: '100%' }}
          icon="plus-circle-outline"
          mode={'contained'}
          onPress={handleAddLocation}
        >
          Dodaj
        </Button>
      </ScrollView>
    </KeyboardAvoidingView>
  );
}

const styles = StyleSheet.create({
  container: {
    flex: 1,
    backgroundColor: '#25292e',
    justifyContent: 'flex-start',
    alignItems: 'center',
  },
});