const BASE = '/api';

async function request(path, options = {}) {
    const res = await fetch(`${BASE}${path}`, {
        headers: { 'Content-Type': 'application/json', ...options.headers },
        ...options,
    });
    const json = await res.json();
    if (!json.success) throw new Error(json.error || 'Request failed');
    return json.data;
}

export const tasks = {
    list: (status, { parentId, includeSubTasks } = {}) => {
        const params = new URLSearchParams();
        if (status) params.set('status', status);
        if (parentId != null) params.set('parentId', parentId);
        if (includeSubTasks) params.set('includeSubTasks', 'true');
        const qs = params.toString();
        return request(`/tasks${qs ? `?${qs}` : ''}`);
    },
    subtasks: (parentId) => request(`/tasks?parentId=${parentId}`),
    active: () => request('/tasks/active'),
    get: (id) => request(`/tasks/${id}`),
    create: (body) => request('/tasks', { method: 'POST', body: JSON.stringify(body) }),
    start: (id) => request(`/tasks/${id}/start`, { method: 'PUT' }),
    pause: (id, note) => request(`/tasks/${id}/pause`, { method: 'PUT', body: JSON.stringify({ note }) }),
    resume: (id, note) => request(`/tasks/${id}/resume`, { method: 'PUT', body: JSON.stringify({ note }) }),
    complete: (id) => request(`/tasks/${id}/complete`, { method: 'PUT' }),
    abandon: (id) => request(`/tasks/${id}`, { method: 'DELETE' }),
};

export const notes = {
    list: (taskId) => request(`/tasks/${taskId}/notes`),
    create: (taskId, body) => request(`/tasks/${taskId}/notes`, { method: 'POST', body: JSON.stringify(body) }),
};

export const context = {
    recent: (minutes = 30) => request(`/context/recent?minutes=${minutes}`),
    summary: () => request('/context/summary'),
};

export const mappings = {
    list: () => request('/mappings'),
    create: (body) => request('/mappings', { method: 'POST', body: JSON.stringify(body) }),
    update: (id, body) => request(`/mappings/${id}`, { method: 'PUT', body: JSON.stringify(body) }),
    remove: (id) => request(`/mappings/${id}`, { method: 'DELETE' }),
};