const { contextBridge, ipcRenderer } = require("electron");

contextBridge.exposeInMainWorld("api", {
    saveTags: (tags) => ipcRenderer.send("save-tags", tags),
    loadTags: () => ipcRenderer.invoke("load-tags"),
    listSerialPorts: () => ipcRenderer.invoke("list-serial-ports"),

    // connect/disconnect + subscription API
    connectCom: (port, baudRate) => ipcRenderer.invoke("connect-com", { port, baudRate }),
    disconnectCom: () => ipcRenderer.invoke("disconnect-com"),
    onSerialUpdate: (cb) => {
        const listener = (event, data) => { cb(data); };
        ipcRenderer.on("serial-update", listener);
        // return unregister function
        return () => ipcRenderer.removeListener("serial-update", listener);
    },
    onSerialRaw: (cb) => {
        const listener = (event, data) => { cb(data); };
        ipcRenderer.on("serial-raw", listener);
        return () => ipcRenderer.removeListener("serial-raw", listener);
    },
    onVolumeLog: (cb) => {
        const listener = (event, data) => { cb(data); };
        ipcRenderer.on("volume-log", listener);
        return () => ipcRenderer.removeListener("volume-log", listener);
    }
});