// Single source of truth for talking to the Postiz public API. One factory,
// built from the plugin's saved { baseUrl, apiKey }. Self-hosted vs cloud is
// purely the baseUrl -- no other code in the plugin branches on deployment.

const { PATH_BASE, ENDPOINTS, AUTH_HEADER } = require("./constants");


const makePostizClient = (pluginCfg) => {
    const baseUrl = String((pluginCfg && pluginCfg.baseUrl) || "").replace(/\/+$/, "");
    const apiKey  = String((pluginCfg && pluginCfg.apiKey) || "");

    const request = async (method, endpoint, body) => {
        const url     = `${baseUrl}${PATH_BASE}${endpoint}`;
        const headers = { [AUTH_HEADER]: apiKey };
        const init    = { method, headers };
        if (body !== undefined) {
            headers["Content-Type"] = "application/json";
            init.body               = JSON.stringify(body);
        }
        const res = await fetch(url, init);
        if (!res.ok) {
            const text = await res.text();
            throw new Error(`Postiz ${method} ${endpoint} -> ${res.status} ${text}`);
        }
        return res.status === 204 ? null : res.json();
    };

    return {
        createPost:       (payload) => request("POST", ENDPOINTS.POSTS, payload),
        listIntegrations: ()        => request("GET",  ENDPOINTS.INTEGRATIONS),
        uploadMedia:      (payload) => request("POST", ENDPOINTS.UPLOAD, payload)
    };
};


module.exports = { makePostizClient };