import * as electron from "electron";
import * as fs from "fs";
import * as path from "path";

export function open_preview(url: string) {
    console.log("Open URL as preview: %s", url);
    const window = new electron.BrowserWindow();
    window.loadURL(url);

    //FIXME try catch?
    const inject_file = path.join(path.dirname(module.filename), "inject.js");
    window.webContents.once('dom-ready', e => {
        const code_inject = fs.readFileSync(inject_file).toString();
        window.webContents.executeJavaScript(code_inject, true);
    });
}

electron.ipcMain.on('preview-action', (event, args) => {
    const sender: electron.WebContents = event.sender;
    if(!args || !args.action) {
        console.warn("Received preview action without a valid action type!");
        return;
    }

    if(args.action === "open-url") {
        console.log("Opening " +args.url);
        electron.shell.openExternal(args.url, {
            activate: true
        });

        const browser = electron.BrowserWindow.fromWebContents(sender);
        if(!browser)
            console.warn("Failed to find browser handle");
        else
            browser.close();
    }
});