const remote = require('@electron/remote')

const p3xDarkInvertCss = 'img, video, image, svg image, picture, canvas, [style*="background-image"], [role="img"] { filter: invert(1) hue-rotate(180deg) !important; }';

const p3xDarkInvertJs = `
(function(enabled) {
    var existing = document.getElementById('p3x-dark-invert-css');
    if (existing) existing.remove();
    if (enabled) {
        var style = document.createElement('style');
        style.id = 'p3x-dark-invert-css';
        style.textContent = ${JSON.stringify(p3xDarkInvertCss)};
        (document.head || document.documentElement).appendChild(style);
    }
})`;

function p3xInjectDarkInvertAllFrames(webview, enabled) {
    try {
        const wc = remote.webContents.fromId(webview.getWebContentsId());
        const frames = wc.mainFrame.framesInSubtree;
        for (const frame of frames) {
            try {
                frame.executeJavaScript(`(${p3xDarkInvertJs})(${enabled})`);
            } catch(e) {}
        }
    } catch(e) {}
}

const multiActions = (data) => {
    const webview = global.p3x.onenote.webview;

    switch (data.action) {
        /*
                    case 'focus-save':
        //console.log('focus-save')
                        webview.getWebContents().executeJavaScript(`window.p3xOnenoteActiveElement = document.activeElement; window.p3xIframe = document.getElementById('sdx_ow_iframe'); window.p3xIframeDoc = window.p3xIframe.contentDocument || window.p3xIframe.contentWindow.document; console.log(window.p3xIframeDoc.activeElement);`)
                        break;
        */
        case 'focus':
//                webview.openDevTools();
            if (webview !== undefined) {
                webview.focus()
                /*
                webview.getWebContents().executeJavaScript(`var a = 'foo'; Promise.resolve(a);`).then(result => {
                    console.log(result)
                }).catch(e => console.error(e))
                */
                //webview.getWebContents().executeJavaScript(`console.log(window.p3xOnenoteActiveElement)`)

                //document.activeElement
            }
            break;


        case 'restart':
            //const session = webview.getWebContents().session;
            const session = remote.webContents.fromId(webview.getWebContentsId()).session
            session.clearStorageData().then(() => {
                webview.reload()
            })
            break;

        case 'home':
            webview.src = global.p3x.onenote.url.notebooks
            break;

        case 'corporate':
            webview.src = 'https://www.onenote.com/notebooks?auth=2'
            break;

        case 'get-location':
            require('./multi-action/get-location')()
            break;

        case 'toast':
            require('./multi-action/toast')(data)
            break;

        case 'dark-theme-invert':
            document.body.classList.remove('p3x-dark-mode-invert-quirks')
            if (data.darkThemeInvert === true) {
                document.body.classList.add('p3x-dark-mode-invert-quirks')
            }
            if (webview !== undefined) {
                p3xInjectDarkInvertAllFrames(webview, data.darkThemeInvert === true);
            }
            break;
    }
}

module.exports = multiActions;