// @ts-nocheck


import { CONFIG } from './config.js';

const BASE = CONFIG.ZHONGTAI_BASE;
const DEFAULT_ID = 'default';
const SAVE_DEBOUNCE_MS = 800;

let _saveTimer = null;
let _lastMessages = null;

export async function load(id = DEFAULT_ID) {
    try {
        const r = await fetch(`${BASE}/conversations?id=${encodeURIComponent(id)}`);
        if (!r.ok) return [];
        const data = await r.json();
        return Array.isArray(data.messages) ? data.messages : [];
    } catch (e) {
        console.warn('[conversation] load 失败,回退空:', e.message);
        return [];
    }
}

export function save(messages, id = DEFAULT_ID) {
    _lastMessages = messages;
    if (_saveTimer) clearTimeout(_saveTimer);
    _saveTimer = setTimeout(() => {
        _saveTimer = null;
        _doSave(_lastMessages, id);
    }, SAVE_DEBOUNCE_MS);
}

async function _doSave(messages, id) {
    try {
        const r = await fetch(`${BASE}/conversations?id=${encodeURIComponent(id)}`, {
            method: 'POST',
            headers: { 'Content-Type': 'application/json' },
            body: JSON.stringify({ messages }),
        });
        return r.ok;
    } catch (e) {
        console.warn('[conversation] save 失败:', e.message);
        return false;
    }
}

export async function clear(id = DEFAULT_ID) {
    if (_saveTimer) {
        clearTimeout(_saveTimer);
        _saveTimer = null;
    }
    try {
        const r = await fetch(`${BASE}/conversations?id=${encodeURIComponent(id)}`, {
            method: 'DELETE',
        });
        if (r.ok) return true;
    } catch (e) {}
    return _doSave([], id);
}

export async function list() {
    try {
        const r = await fetch(`${BASE}/conversations/list`);
        if (!r.ok) return [];
        const data = await r.json();
        return data.conversations || [];
    } catch (e) {
        return [];
    }
}