import { ThemedText } from "@/components/themed-text";
import { ThemedTextInput } from '@/components/themed-textinput';
import { ThemedView } from "@/components/themed-view";
import { useLocalSearchParams, useRouter } from "expo-router";

import React, { useEffect, useState } from "react";
import {
  Button,
  FlatList,
  Image,
  StyleSheet,
  Text
} from "react-native";
import { Ressources } from "../../class/class";
import { getRessources } from "../../services/ressourcesService";

export default function GestionnaireRessource() {
  const { nom, prenom } = useLocalSearchParams();
  const [search, setSearch] = useState("");
  const [ressource, setRessources] = useState<Ressources[]>([]);
  const [loading, setLoading] = useState(true);

  const router = useRouter();

  useEffect(() => {
    async function loadData() {
      try {
        const data = await getRessources();
        setRessources(data);
      } catch (error) {
        console.error("Erreur lors du chargement :", error);
      } finally {
        setLoading(false);
      }
    }
    loadData();
  }, []);

  const filteredData = ressource.filter((r) =>
    r.name.toLowerCase().includes(search.toLowerCase())
  );

  const renderRessource = ({ item }: { item: Ressources }) => {
    if (!item) return null;

    return (
      <ThemedView lvl={1} shadow={true} style={styles.card}>
        <Image source={{ uri: item.Image }} style={styles.image} />
        <ThemedView lvl={1} style={styles.info}>
          <Text>{item.id}</Text>
          <Text>{item.name}</Text>
          <Text>{item.type}</Text>
          <Text>{item.quantity}</Text>
          <Text>{item.available_quantity}</Text>
        </ThemedView>
      </ThemedView>
    );
  };

  return (
    <ThemedView lvl={3} style={styles.container}>
      <FlatList
        data={filteredData}
        renderItem={renderRessource}
        keyExtractor={(_, index) => index.toString()}
        contentContainerStyle={{ paddingBottom: 40 }}
        ListHeaderComponent={
          <ThemedView opacity="00" style={styles.header}>
            <Text style={styles.text}>
              Bonjour {prenom} {nom}
            </Text>

            {/* Input background */}
            <ThemedView lvl={1} shadow={true} style={styles.inputBack}>
              <ThemedTextInput
                lvl={0}
                style={styles.input}
                placeholder="Rechercher une ressource..."
                value={search}
                onChangeText={setSearch}
              />
            </ThemedView>
          </ThemedView>
        }
        ListEmptyComponent={
          <ThemedText style={styles.empty}>Aucun résultat trouvé</ThemedText>
        }
      />

      <ThemedView lvl={3} style={styles.footer}>
        <Button
          title="Retour"
          onPress={() => router.push("/(tabs)/bonjourFL")}
        />
      </ThemedView>
    </ThemedView>
  );
}

const styles = StyleSheet.create({
  container: {
    flex: 1,
  },
  header: {
    marginTop: 60,
    marginBottom: 20,
    alignItems: "center",
    paddingHorizontal: 20,
  },
  text: {
    fontSize: 22,
    fontWeight: "bold",
    marginBottom: 10,
  },
  inputBack: {
    width: "100%",
    borderRadius: 10,
  },
  input: {
    width: "100%",
    borderRadius: 10,
    padding: 10,
    fontSize: 16,
  },
  card: {
    flexDirection: "row",
    marginHorizontal: 20,
    marginBottom: 15,
    borderRadius: 10,
    padding: 10,
  },
  image: {
    width: 80,
    height: 80,
    borderRadius: 8,
    marginRight: 10,
  },
  info: {
    flex: 1,
    justifyContent: "center",
  },
  footer: {
    padding: 20,
  },
  empty: {
    textAlign: "center",
    marginTop: 30,
    color: "#888",
  },
});