import React from 'react';
import { View, StyleSheet, FlatList } from 'react-native';
import { useNavigation } from '@react-navigation/native';
import { StackNavigationProp } from '@react-navigation/stack';
import { useTasks } from '../context/TasksContext';
import TaskCard from '../components/TaskCard';

type RootStackParamList = {
  TaskList: undefined;
  TaskEdit: { taskId: string };
};

type TaskListNavigationProp = StackNavigationProp<
  RootStackParamList,
  'TaskList'
>;

export default function TaskListScreen() {
  const { tasks } = useTasks();
  const navigation = useNavigation<TaskListNavigationProp>();

  const handlePressTask = (id: string) => {
    navigation.navigate('TaskEdit', { taskId: id });
  };

  const renderItem = ({ item }: { item: (typeof tasks)[0] }) => (
    <TaskCard task={item} onPress={handlePressTask} />
  );

  return (
    <View style={styles.container}>
      <FlatList
        data={tasks}
        renderItem={renderItem}
        keyExtractor={item => item.id}
        ItemSeparatorComponent={() => <View style={styles.separator} />}
      />
    </View>
  );
}

const styles = StyleSheet.create({
  container: {
    flex: 1,
    backgroundColor: '#1a1a1a', // 深色背景
  },
  separator: {
    height: 1,
    backgroundColor: '#333', // 分隔线颜色
    marginLeft: 16,
  },
});