import {EditorView, minimalSetup} from "codemirror"
import {markdownLanguage} from "@codemirror/lang-markdown"
import {foldGutter} from "@codemirror/language";

interface DraftSaveResponse {
    message: string
}

const csrftoken = (document.querySelector('[name=csrfmiddlewaretoken]')! as HTMLInputElement).value;
const ids = ["id_description_md"];
ids.forEach(function (id) {
    const element = document.getElementById(id) as HTMLTextAreaElement;
    if (!element) {
        return
    }
    // const ydoc = new Y.Doc()
    // const provider = new WebrtcProvider('some-example-room', ydoc)
    // const ytext = ydoc.getText('codemirror')
    // window.ytext=ytext
    // console.log(ytext.toJSON())
    // const undoManager = new Y.UndoManager(ytext)
    //
    // provider.awareness.setLocalStateField('user', {
    //     name: 'Anonymous ' + Math.floor(Math.random() * 100),
    //     color: "red",
    //     colorLight: "lightred"
    // })
    const labelEl = element.labels[0]
    const div = document.createElement("div")
    element.style.display = "none"
    element.parentElement!.insertBefore(div, element)
    const view = new EditorView({
        extensions: [
            minimalSetup,
            foldGutter(),
            markdownLanguage,
            EditorView.lineWrapping,
            EditorView.contentAttributes.of({spellcheck: "true"}),
            // yCollab(ytext, provider.awareness, {undoManager})
        ],
        parent: div,
        doc: element.value,
    })
    element.form!.addEventListener("submit", () => {
        element.value = view.state.doc.toString()
    })
    // const easyMDE = new EasyMDE({
    //     element: element,
    //     forceSync: true, // for "required" to work
    //     spellChecker: false,
    //     nativeSpellcheck: true,
    //     autoDownloadFontAwesome: false,
    //     autosave: {
    //         delay: 1000,
    //         submit_delay: 5000,
    //         timeFormat: {
    //             locale: 'de-AT',
    //             format: {
    //                 year: 'numeric',
    //                 month: 'long',
    //                 day: '2-digit',
    //                 hour: '2-digit',
    //                 minute: '2-digit',
    //                 second: '2-digit',
    //             },
    //         },
    //     },
    //     inputStyle: "contenteditable",
    //     status: ["lines", "words", "cursor", "saveStatus"],
    // });
    // window.editor = easyMDE
    const originalLabel = labelEl.innerText
    setInterval(function () {
        const content = view.state.doc.toString();
        fetch("/api/draft/save", {
            method: "POST",
            body: JSON.stringify({
                "draft_md": content
            }),
            headers: {'X-CSRFToken': csrftoken},
        })
            .then(response => response.json())
            .then((data: DraftSaveResponse) => {
                labelEl.innerText += ": " + data.message
                setTimeout(() => labelEl.innerText = originalLabel, 5000)
            }).catch(e => {
            labelEl.innerText += ": " + "error saving draft"
        })

    }, 1000 * 30)
});