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import { useState, useEffect, useCallback } from 'react';
interface Task {
id: number;
title: string;
description: string;
completed: boolean;
created_at?: string;
updated_at?: string;
}
export default function TaskManager() {
const [tasks, setTasks] = useState<Task[]>([]);
const [newTask, setNewTask] = useState({ title: '', description: '' });
const [loading, setLoading] = useState(true);
const [error, setError] = useState<string | null>(null);
const fetchTasks = useCallback(async () => {
try {
setError(null);
const response = await fetch('/api/tasks');
if (!response.ok) {
throw new Error(`HTTP error! status: ${response.status}`);
}
const data = await response.json();
console.log('Fetched tasks:', data);
setTasks(Array.isArray(data) ? data : []);
} catch (error) {
console.error('Failed to fetch tasks:', error);
setError(error instanceof Error ? error.message : 'Failed to fetch tasks');
setTasks([]);
} finally {
setLoading(false);
}
}, []);
useEffect(() => {
fetchTasks();
}, [fetchTasks]);
const createTask = async (e: React.FormEvent) => {
e.preventDefault();
if (!newTask.title.trim()) return;
try {
const response = await fetch('/api/tasks', {
method: 'POST',
headers: { 'Content-Type': 'application/json' },
body: JSON.stringify(newTask)
});
if (response.ok) {
setNewTask({ title: '', description: '' });
fetchTasks();
}
} catch (error) {
console.error('Failed to create task:', error);
}
};
const toggleTask = async (task: Task) => {
try {
await fetch(`/api/tasks/${task.id}`, {
method: 'PUT',
headers: { 'Content-Type': 'application/json' },
body: JSON.stringify({ ...task, completed: !task.completed })
});
fetchTasks();
} catch (error) {
console.error('Failed to update task:', error);
}
};
const deleteTask = async (id: number) => {
try {
await fetch(`/api/tasks/${id}`, { method: 'DELETE' });
fetchTasks();
} catch (error) {
console.error('Failed to delete task:', error);
}
};
if (loading) {
return (
<div className="max-w-2xl mx-auto p-6">
<h1 className="text-3xl font-bold mb-6">Task Manager</h1>
<div className="p-4 text-center">Loading tasks...</div>
</div>
);
}
if (error) {
return (
<div className="max-w-2xl mx-auto p-6">
<h1 className="text-3xl font-bold mb-6">Task Manager</h1>
<div className="p-4 bg-red-50 border border-red-200 rounded-lg">
<p className="text-red-700">Error: {error}</p>
<button
onClick={fetchTasks}
className="mt-2 px-4 py-2 bg-red-500 text-white rounded hover:bg-red-600"
>
Retry
</button>
</div>
</div>
);
}
return (
<div className="max-w-2xl mx-auto p-6">
<h1 className="text-3xl font-bold mb-6">Task Manager</h1>
<form onSubmit={createTask} className="mb-8 space-y-4">
<div>
<input
type="text"
placeholder="Task title"
value={newTask.title}
onChange={(e) => setNewTask({ ...newTask, title: e.target.value })}
className="w-full p-3 border border-gray-300 rounded-lg focus:outline-none focus:ring-2 focus:ring-blue-500"
/>
</div>
<div>
<textarea
placeholder="Task description (optional)"
value={newTask.description}
onChange={(e) => setNewTask({ ...newTask, description: e.target.value })}
className="w-full p-3 border border-gray-300 rounded-lg focus:outline-none focus:ring-2 focus:ring-blue-500"
rows={3}
/>
</div>
<button
type="submit"
className="w-full bg-blue-500 text-white p-3 rounded-lg hover:bg-blue-600 transition-colors"
>
Add Task
</button>
</form>
<div className="space-y-4">
{tasks.length === 0 ? (
<p className="text-gray-500 text-center">No tasks yet. Create your first task above!</p>
) : (
tasks.map((task) => (
<div
key={task.id}
className={`p-4 border rounded-lg ${
task.completed ? 'bg-green-50 border-green-200' : 'bg-white border-gray-200'
}`}
>
<div className="flex items-start justify-between">
<div className="flex-1">
<h3
className={`font-semibold ${
task.completed ? 'line-through text-gray-500' : 'text-gray-900'
}`}
>
{task.title}
</h3>
{task.description && (
<p
className={`mt-1 ${
task.completed ? 'line-through text-gray-400' : 'text-gray-600'
}`}
>
{task.description}
</p>
)}
{task.created_at && (
<p className="text-xs text-gray-400 mt-2">
Created: {new Date(task.created_at).toLocaleString()}
</p>
)}
</div>
<div className="flex space-x-2 ml-4">
<button
onClick={() => toggleTask(task)}
className={`px-3 py-1 rounded text-sm ${
task.completed
? 'bg-yellow-500 text-white hover:bg-yellow-600'
: 'bg-green-500 text-white hover:bg-green-600'
}`}
>
{task.completed ? 'Undo' : 'Complete'}
</button>
<button
onClick={() => deleteTask(task.id)}
className="px-3 py-1 bg-red-500 text-white rounded text-sm hover:bg-red-600"
>
Delete
</button>
</div>
</div>
</div>
))
)}
</div>
</div>
);
}
|
