import '../theatre_modules/core-and-studio.js'
import {
    downloadFile,
    uploadFile,
    verifyVariableTimeProject,
    hashFromString,
    clone,
    getParents,
    arraysEqual,
} from './utils.js';

//import {
    //config
//} from './config.js';

const TheatrePlay = function(autoInit = false) {

    //private
    const {
        core,
        studio
    } = Theatre;

    let project = false;
    const theatreObjects = {};
    let theatrePanel = null;
    let sequencePanelLeft = null;
    const getSequencePanelLeft = () => {
        // if (sequencePanelLeft === null) {
            sequencePanelLeft = tp.shadowRoot.querySelector('[data-testid="SequencePanel-Left"]');
        // }
        return sequencePanelLeft;
    };
    const getPanel = () => {
        if (theatrePanel === null) {
            theatrePanel = tp.shadowRoot.querySelector('[data-testid="DetailPanel-Object"]');
        }
        return theatrePanel;
    };
    const setPanelClasses = () => {
        const parents = getParents(getPanel().querySelector('[title^="obj.props."]'), getPanel())
        const panelControlsWrapper = parents[parents.length - 3];
        const panelWrapper = parents[parents.length - 2];
        const panelMomWrapper = parents[parents.length - 1];
        panelControlsWrapper.classList.add("panelControlsWrapper");
        panelWrapper.classList.add("panelWrapper");
        panelMomWrapper.classList.add("panelMomWrapper");
        getPanel().classList.add('panel');
        getPanel().setAttribute('id', 'panel');
    };
    const getPanelPropTitle = (propTitle) => {
        const panel = getPanel();
        let panelPropTitle = panel.querySelector(`[title="obj.props.${propTitle}"]`);
        if (panelPropTitle !== null) {
            return panelPropTitle;
        }
        panelPropTitle = panel.querySelector(`[title^="obj.props.${propTitle}"]`);
        if (panelPropTitle !== null) {
            return panelPropTitle.parentElement.parentElement;
        }
        return null;
    }
    const getPanelPropContainer = (panelPropTitle) => {
        if (typeof panelPropTitle === 'string') {
            panelPropTitle = getPanelPropTitle(panelPropTitle);
        }
        if (panelPropTitle === null) {
            return null;
        }
        const panel = getPanel();
        let panelControls = panel.querySelector('.panelControlsWrapper');
        if (panelControls === null) {
            setPanelClasses();
        }
        panelControls = panel.querySelector('.panelControlsWrapper');
        if (panelControls === null) {
            return null;
        }
        const parents = getParents(panelPropTitle, panelControls);
        if (parents === null || parents.length < 1) {
            return null;
        }

        return parents[parents.length - 1];
    };
    const getPropKeyframes = (layer, propPath) => {
        if (!Array.isArray(propPath) || propPath.length <= 0) {
            return false;
        }
        let prop = layer.theatreObject.props;
        let value = layer.theatreObject.value;
        for (let i = 0; i < propPath.length; i++) {
            const p = propPath[i];
            prop = prop[p];
            value = value[p];
            if (typeof value === 'undefined') {
                return false;
            }
        };
        return this.sheet.sequence.__experimental_getKeyframes(prop);
    };
    // wtf, this function was being written in one go
    // without any errors. huh?
    const getKeyframes = (layer, valuePath = []) => {
        const keyframes = [];
        const theatreValues = layer.theatreObject.value;
        let value = theatreValues;
        for (let i = 0; i < valuePath.length; i++) {
            value = value[valuePath[i]];
            if (typeof value === 'undefined') {
                return false;
            }
        }
        const isColor = valuePath.length > 0 &&
            typeof value === 'object' &&
            valuePath[valuePath.length - 1] === 'color';

        if (typeof value === 'object' && !isColor) {
            Object.keys(value).forEach((key) => {
                const newValuePath = [...valuePath, ...[key]];
                const subkeyframes = getKeyframes(layer, newValuePath);
                if (subkeyframes !== false && subkeyframes.length > 0) {
                    for (let i = 0; i < subkeyframes.length; i++) {
                        keyframes.push(subkeyframes[i]);
                    }
                }
            });
        } else {
            const propKeyframes = getPropKeyframes(layer, valuePath);
            if (propKeyframes.length > 0) {
                keyframes.push({path: valuePath, keyframes: propKeyframes});
            }
        }
        return keyframes;
    };
    const getSequenceButton = (path) => {
        let t = getPanelPropTitle(path.join('.'));
        if (t === null) {
            return null;
        }
        return t.parentElement.querySelector('[title="Sequence this prop"]');
    };
    // no idea how to delete keyframes
    // so we can only add
    const addKeyframes = (layer, keyframes) => {
        return new Promise((resolve) => {
            if (!Array.isArray(keyframes)) {
                return false;
            }
            const existingKeyframes = getKeyframes(layer);
            const promises = [];
            const ms = config.tp.addKeyframesTimeout_s * 1000;
            keyframes.forEach((k) => {
                let prop = layer.theatreObject.props;
                for (let i = 0; i < k.path.length; i++) {
                    prop = prop[k.path[i]];
                }
                const position = tp.sheet.sequence.position;
                // NOTE: can we sequence values without pretend clicking?
                const sequenceButton = getSequenceButton(k.path);
                if (sequenceButton !== null) {
                    promises.push(new Promise((subResolve) => {
                        setTimeout(() => {
                            sequenceButton.click();
                            subResolve();
                        }, ms * promises.length);
                    }));
                } else {
                    //console.error(k.path, 'did not find sequence button');
					// is (probably) already sequenced
                }
                let propHasKeyframesAt = -1;
				if (existingKeyframes !== null &&
				    existingKeyframes !== false &&
				    typeof existingKeyframes !== 'undefined' &&
				    Array.isArray(existingKeyframes)) {
				    existingKeyframes.forEach((existingK, existingKI) => {
				        if (arraysEqual(k.path, existingK.path)) {
				            propHasKeyframesAt = existingKI;
				        }
				    });
				}
                k.keyframes.forEach((keyframe) => {
                    let alreadyThere = false;
                    if (propHasKeyframesAt >= 0) {
                        existingKeyframes[propHasKeyframesAt].keyframes.forEach((kf) => {
                            if (keyframe.position === kf.position &&
                                keyframe.value === kf.value) {
                                alreadyThere = true;
                            }
                        });
                    }
                    if (!alreadyThere) {
                        promises.push(new Promise((subResolve) => {
                            setTimeout(() => {
                                tp.sheet.sequence.position = keyframe.position;
                                this.studio.transaction(({
                                    set
                                }) => {
                                    set(prop, keyframe.value);
                                	subResolve();
                                });
                            }, ms * promises.length);
                        }));
                    }
                });
                promises.push(new Promise((subResolve) => {
                    setTimeout(() => {
                        tp.sheet.sequence.position = position;
						subResolve();
                    }, ms * promises.length);
                }));
            });
            Promise.all(promises).then(() => {
                resolve();
            });
        });
    };
    const friendlySequenceNames = () => {
        const sequencePanelLeft = tp.getSequencePanelLeft();
        let doItAgain = true;
        if (sequencePanelLeft !== null) {
            const titles = sequencePanelLeft.querySelectorAll('[data-testid="SequencePanel-Title"]');
            const propTitles = sequencePanelLeft.querySelectorAll('[data-testid="SequencePanel-PropTitle"]');
            const allTitles = [...[...titles], ...[...propTitles]];
            if (allTitles.length > 0) {
                allTitles.forEach((title) => {
                    // NOTE: should we have the same artboard and layer friendlyName,
                    // the layer friendlyName will be picked
                    Object.keys(config.layer.friendlyNames).forEach((key) => {
                        if (title.innerHTML === key) {
                            title.innerHTML = config.layer.friendlyNames[key];
                        }
                    });
                    Object.keys(config.artboard.friendlyNames).forEach((key) => {
                        if (title.innerHTML === key) {
                            title.innerHTML = config.artboard.friendlyNames[key];
                        }
                    });
                });
            }
            doItAgain = false;
        }
        if (doItAgain) {
            setTimeout(() => {
                friendlySequenceNames();
            }, 1000);
        }
    };

    //public
    this.friendlySequenceNames = friendlySequenceNames;
    this.getKeyframes = getKeyframes;
    this.addKeyframes = addKeyframes;
    this.theatreObjects = theatreObjects;
    this.addObject = (name, props, onValuesChange) => {
        const obj = this.sheet.object(name, props);
        const listener = obj.onValuesChange(onValuesChange);
        theatreObjects[name] = {
            obj,
            listener
        };
        return obj;
    };
    this.changeObject = (name, props) => {
        this.sheet.object(name, props, {
            reconfigure: true
        });
    };
    this.removeObject = (name) => {
        // detach listener
        // yeah, it looks weird, but this is how it is described
        // https://www.theatrejs.com/docs/latest/manual/objects#detaching-objects
        theatreObjects[name].listener();
        // make sure object is DELETED (or is it?)
        studio.transaction(({unset}) => unset(theatreObjects[name].obj.props))
        // detach object
        this.sheet.detachObject(name);
        // make sure object is DELETED (possibly is)
        tp.studio.transaction((api) => {
            api.__experimental_forgetObject(theatreObjects[name].obj);
        });
        // remove object from objects list
        delete theatreObjects[name];
    };
    this.getSequencePanelLeft = getSequencePanelLeft;
    this.getPanel = getPanel;
    this.getPanelPropTitle = getPanelPropTitle;
    this.getPanelPropContainer = getPanelPropContainer;
    this.setPanelClasses = setPanelClasses;
    this.findInjectPanels = () => {
        const id = project.address.projectId;
        { // hierarchy panel
            const panel = tp.shadowRoot.querySelector(`.layerMover${id}`);
            if (panel !== null) {
            if (panel.querySelector('addLayerButton') !== null) {
                panel.querySelector('addLayerButton').remove();
            }
            const addLayerButton = document.createElement('div');
            addLayerButton.classList.add('addLayerButton');
            addLayerButton.innerHTML = `<img src="/web/assets/add_layer.svg" />`;
            addLayerButton.addEventListener('click', (clickEvent) => {
                window.addLayer();
            });
            panel.append(addLayerButton);
            }
        }
    };
    this.addShadowCss = () => {
        if (this.shadowRoot.querySelector(`#tpShadowCss`) === null) {
            let style = document.createElement("style");
            style.setAttribute('id', 'tpShadowCss');

            // ASYA: here you can adjust css
            style.textContent = `
        .alignButtons, .textAlignButtons {
            flex-direction: row;
            padding: 10px 0px !important;
            justify-content: center;
        }

        .word{
            margin-right: 10px;
        }
        .letter{
            transition: 0.5s font-variation-settings;
        }

        @font-face {
          font-family: 'vtVF';
          src: url("/web/fonts/vtVF.ttf") format("TrueType");
        }

        .vtTitle{
            font-family: 'vtVF';
            font-size: 3em;
            font-variation-settings: "wght" 0, "wdth" 0, "opsz" 0;
            height: 50px;
            width: 100%;
            position: inherit;
            display: flex;
            justify-content: center;
            align-items: center;
        }

        #panel,
        .panel {
            display: flex;
            flex-direction: column;
        }

        .panel > div {
            order: 1;
        }
        .panel > .panelWrapperMom {
            order: 2;
        }
        .panel > .bottomButtonsContainer {
            order: 3;
        }

        .panelWrapper{
        }

        .panelControlsWrapper{
            grid-template-columns: 1fr 1fr 1fr 1fr 1fr 1fr;
            grid-row-start: 2;
            grid-column-start: 1;
            grid-column-end: 7;
            display: flex;
            flex-wrap: wrap;
        }

        .xWrapper, .yWrapper, .fontFamilyWrapper, .fontFamilyWrapper, .rotationWrapper, .letterDelayWrapper, .transformOriginWrapper, .widthWrapper, .fontSizeWrapper, .letterSpacingWrapper, .lineHeighWrapper, .textWrapper, .colorWrapper, .mirror_xWrapper, .mirror_yWrapper, .mirror_xyWrapper, .mirror_x_distanceWrapper, .mirror_y_distanceWrapper, .alignButtons, .textAlignButtons{

            border: none;
            padding: 0px;
            display: flex;
            width: 100%;

        }

        .textWrappingButton {
            margin-left: 30px;
        }
        .textWrappingButton.active {
            background: white;
        }

        
        .alignButtonsVertical{
           
            padding-bottom: 10px;
        }

        .alignButtons{
            display: flex;
            width: 50%;
            padding-top: 10px;
            padding-bottom: 10px;
        }

        .xWrapper{
        } 
        .yWrapper{
        }
        .mirror_xWrapper{
        } 
        .mirror_xWrapper input, .mirror_yWrapper input, .mirror_xyWrapper input{
            margin: 0px 10px;
        }
        label {
          color: #ea2333;
          margin-left:10px;
        }
        input[type=checkbox] {
            position: absolute;
            width: 27px;
            opacity: 0; 
        }
        input[type=checkbox]:checked + label {
          color: #1cba94;
        }
        input[type=checkbox] + label::after{
          content: ' OFF';
        }
        input[type=checkbox]:checked + label::after{
          content: ' ON';
        }
        .mirror_yWrapper{
        }
        .mirror_xyWrapper{
        }
        .mirror_x_distanceWrapper{
        }
        .mirror_y_distanceWrapper{
        }

        .fontFamilyWrapper{
        }
        .rotationWrapper{
             border-top: 1px dashed #91919177;
             padding-top: 10px;
        }
        .transformOriginWrapper{
        }
        .widthWrapper{
        }
        .heightWrapper{
            display: none;
        }
        .fontSizeWrapper{
        }
        .letterSpacingWrapper{
        }
        .letterDelayWrapper{
        }
        .lineHeighWrapper{
        }
        .textWrapper{
        }
        .colorWrapper{
            border-bottom: 1px dashed #91919177;
            border-top: 1px dashed #91919177;
            margin-bottom: 10px;
            padding-bottom: 10px;
            padding-top: 10px;
        }

        span.icon{
            font-family: 'VariableIcons';
            font-size: 3em;
            margin: 2px 5px;
            line-height: 0.2em;
            box-sizing: border-box;
        }

        
        .main_panel_button, .vte_button{
            background-color: white;
            font-size: 1.15em;
            padding: 5px 5px 4px 5px;
            margin: 10px;
            display: flex;
            flex-grow: 1;
            justify-content: center;
            border-radius: 10px;
            border: none;
            padding: 10px;
            text-transform: uppercase;
            width: calc(100% - 20px);
            box-sizing: border-box;
            cursor: pointer;
            font-variation-settings: 'wght' 750, 'wdth' 100;

        }
        .main_panel_button:hover, .vte_button:hover{
            color: white;
            background-color:black;
        }

        .removeButtonContainer{
            display: flex;
            padding-right: 10px;
            padding-bottom: 10px;
        }
        
        .alignButtons img,
        .textAlignButtons img{
            height: 19px;
            cursor: pointer;
            margin: 5px 5px 2px 5px;
           
        }

        li.layerMover div {
            
        }

        li.layerMover div.selected {
            background: rgba(255, 255, 255, 1);
        }

        li.layerMover div.selected svg circle{
            fill: #ea2333;
        }

        .letterDelaysContWrapper{
            display: flex;
            flex-direction: column;
            width: 100%;
            padding-bottom: 10px;
        }

        .letterDelaysContWrapper > *, .fontVariationAxesContWrapper > *{
            margin-left: calc(var(--left-pad) * (var(--depth) - 1));
        }

        .fontVariationAxesContWrapper{
            display: flex;
            flex-direction: column;
            width: 100%;
            padding-bottom: 10px;
            margin-bottom: 10px;
            border-bottom: 1px dashed #91919177;
            border-top: 1px dashed #91919177;
            margin-top: 10px;
        }

        .moveLayerButton {
            
        }
        .removeLayerButton img,
        .duplicateLayerButton img,
        .addLayerButton img,
        .moveLayerButton img {
            height: 10px;
            cursor: pointer;
        }
        .propTitleStuff {
            color: red;
        }
        .addLayerButton{
            width: calc(100% - 40px);
            display: flex;
            align-items: center;
            justify-content: center;
            /* padding-left: 15px; */
            align-self: end;
            margin-top: 5px;
        }
    `;
            this.shadowRoot.appendChild(style);
        }
    };
    const waitingForShadowRoot = (callback) => {
        let studioRoot = document.getElementById('theatrejs-studio-root');
        if (studioRoot !== null && studioRoot.shadowRoot !== null) {
            callback();
        } else {
            setTimeout(() => {
                waitingForShadowRoot(callback);
            }, 10);
        }
    };
    this.addUserFont = (previousName = "", filePath = "") => {
        return new Promise((resolve) => {
            const fileName = filePath.split("/").reverse().shift(); // basename
            let uploadFontButton = document.createElement('div');
            let uploadFontButtonContainer = document.createElement('div');
            uploadFontButton.classList.add('upload_font_button');
            uploadFontButtonContainer.classList.add('upload_font_button_container');
            uploadFontButton.innerHTML = "upload font " +
                (previousName === "" ? "" : `(${previousName})`);
            uploadFontButton.style.cursor = 'pointer';
            uploadFontButtonContainer.append(uploadFontButton);
            document.getElementById('body').append(uploadFontButtonContainer);
            uploadFontButton.addEventListener('click', () => {
                uploadFontButtonContainer.remove();
                uploadFile('font')
                    .then((fontFile) => {
                        if (fileName !== "") {
                            fontFile.name = fileName;
                        }
                        moduleFS
                            .save(fontFile)
                            .then(() => {
                                resolve(fontFile);
                            })
                    });
            });
        });
    };
    this.possiblyAskForFontsPromise = (vt_project) => {
        return new Promise((resolve) => {
            if (vt_project.fontsHashMap !== false) {
                this.possiblyAskForFonts(vt_project, resolve);
            } else {
                resolve(vt_project);
            }
        });
    };
    this.projectUsesFont = (vt_project, hash) => {
        const layerKeys = Object.keys(vt_project
                                        .theatre
                                        .sheetsById
                                        .mainSheet
                                        .staticOverrides
                                        .byObject);
        for (let l = 0; l < layerKeys.length; l++) {
            if (vt_project
                   .theatre
                   .sheetsById
                   .mainSheet
                   .staticOverrides
                   .byObject[layerKeys[l]].fontFamily === hash) {
                return true;
            } else {
                //console.log(hash, "not used by ", vt_project);
            }
        }
        return false;
    };
    this.possiblyAskForFonts = (vt_project, resolve, ignoreThese = []) => {
        const availables = listAvailableFontsAndAxes();
        const hashes = Object.keys(vt_project.fontsHashMap);
        let isRecursive = false;
        for (let h = 0; h < hashes.length; h++) {
            const hash = hashes[h];
            if (ignoreThese.indexOf(hash) >= 0){
                continue;
            }
            const fontInfo = vt_project.fontsHashMap[hash];
            let found = false;
            for (let i = 0; i < availables.length; i++) {
                if (availables[i].fontPath === fontInfo.fontPath) {
                    found = true;
                }
            }
            if (!found) {
                const used = this.projectUsesFont(vt_project, hash);
                let satisfied = false;
                for (let a = 0; a < availables.length; a++) {
                    if (fontInfo.fontName === availables[a].fontName) {
                        satisfied = true;
                        const uploadedPath = availables[a].fontPath;
                        const uploadedHash = hashFromString(uploadedPath);
                        delete vt_project.fontsHashMap[hash]; // will be generated? or maybe not
                        vt_project.fontsHashMap[uploadedHash] = {
                            fontName: availables[a].fontName,
                            fontPath: availables[a].fontPath,
                            axes: availables[a].axes,
                        };
                        const layerKeys = Object.keys(vt_project
                                                        .theatre
                                                        .sheetsById
                                                        .mainSheet
                                                        .staticOverrides
                                                        .byObject);
                        for (let l = 0; l < layerKeys.length; l++) {
                            if (vt_project
                                   .theatre
                                   .sheetsById
                                   .mainSheet
                                   .staticOverrides
                                   .byObject[layerKeys[l]].fontFamily === hash) {
                                vt_project
                                   .theatre
                                   .sheetsById
                                   .mainSheet
                                   .staticOverrides
                                   .byObject[layerKeys[l]].fontFamily = uploadedHash;
                            }
                        }
                        break;
                    }
                }
                if (!satisfied && used && confirm(`font ${fontInfo.fontName} not found.\n` +
                        `do you want to upload it (or a substitute) now?\n` +
                        `Otherwise it will be later substituted.\n\n` +
                        `If you click okay, click on the upcoming button`)) {
                    isRecursive = true;
                    this.addUserFont(fontInfo.fontName).then((uploadedFile) => {
                        const uploadedPath = `${config.fs.idbfsFontDir}/${uploadedFile.name}`;
                        const uploadedHash = hashFromString(uploadedPath);
                        delete vt_project.fontsHashMap[hash]; // will be generated?
                        const layerKeys = Object.keys(vt_project
                                                        .theatre
                                                        .sheetsById
                                                        .mainSheet
                                                        .staticOverrides
                                                        .byObject);
                        for (let l = 0; l < layerKeys.length; l++) {
                            if (vt_project
                                   .theatre
                                   .sheetsById
                                   .mainSheet
                                   .staticOverrides
                                   .byObject[layerKeys[l]].fontFamily === hash) {
                                vt_project
                                   .theatre
                                   .sheetsById
                                   .mainSheet
                                   .staticOverrides
                                   .byObject[layerKeys[l]].fontFamily = uploadedHash;
                            }
                        }
                        this.possiblyAskForFonts(vt_project, resolve, ignoreThese);
                    });
                    break;
                } else if (satisfied) {
                    isRecursive = true;
                    this.possiblyAskForFonts(vt_project, resolve, ignoreThese);
                } else {
                    ignoreThese.push(hash);
                }
            }
        }
        if (!isRecursive) {
            resolve(vt_project);
        }
    };
    this.variableTime2theatre = (vt_project) => {
        return vt_project.theatre;
    };
    this.theatre2variableTime = (theatre_project, vt_params) => {
        vt_params.theatre = theatre_project;
        vt_params.theatre.revisionHistory = [];
        return vt_params;
    };
    this.listProjects = () => {
        const projectIds = [];
        for (let i = 0; i < localStorage.length; i++) {
            let key = localStorage.key(i);
            if (key.indexOf(config.projects.savePrefix) === 0) {
                const projectId = key.replace(config.projects.savePrefix, '');
                projectIds.push(projectId);
            }
        }
        return projectIds;
    };
    this.uploadProject = (reeeload = false) => {
        uploadFile().then((vt_project) => {
            if (vt_project.type === 'application/zip') {
                moduleFS.save(vt_project).then((fileLocation) => {
                    const jsonString = Module.importProjectAsZip(fileLocation, `${config.fs.idbfsTmpDir}/outdir`);
                    const json = JSON.parse(jsonString);
                    if (verifyVariableTimeProject(json.project)) {
                        this.possiblyAskForFontsPromise(json.project).then((vt_project_u) => {
                            vt_project = vt_project_u;
                            window.debug_vt_project = vt_project;
                            config.autoSave = false;
                            this.saveProject(vt_project.projectId, vt_project, true);
                            if (reeeload) {
                                this.reloadToProject(vt_project.projectId);
                            }
                        });
                    } else {
                        console.log('TheatrePlay::uploadProject', 'could not verify project');
                    }
                });
                //Module.importProjectAsZip(vt_project.arrayBuffer, vt_project.fileSize, "debug_tmp");
            } else if (verifyVariableTimeProject(vt_project)) {
                this.possiblyAskForFontsPromise(vt_project).then((vt_project_u) => {
                    vt_project = vt_project_u;
                    //if (reeeload) {
                    //localStorage.clear();
                    //}
                    this.saveProject(vt_project.projectId, vt_project, true);
                    if (reeeload) {
                        this.reloadToProject(vt_project.projectId);
                    }
                });
            } else {
                console.log('TheatrePlay::uploadProject', 'could not verify project');
            }
        }, (error) => {
            console.error(error);
        });
    };
    // we always save the currently opened project,
    // but we may save it under a different id
    this.createSaveFile = (projectId = project.address.projectId) => {
        const currentProjectId = project.address.projectId;
        const fontsHashMap = window.getLayers().length > 0 ? window.getLayers()[0].fontsHashMap : false;
        const vt_params = {
            variable_time_version: VARIABLE_TIME_VERSION,
            layerOrder: window.layerOrder.get(),
            fontsHashMap,
            projectId,
        };
        const theatre = tp.studio.createContentOfSaveFile(currentProjectId);
        return this.theatre2variableTime(theatre, vt_params);
    };
    this.saveProject = (projectId = project.address.projectId, vt_project = false, silent = true) => {
        if (!silent) {
            projectId = prompt("Please choose a name for your project", projectId);
        }
        if (vt_project === false) {
            vt_project = this.createSaveFile();
        }
        localStorage.setItem(`${config.projects.savePrefix}${projectId}`, JSON.stringify(vt_project));
    };
    this.getProject = (projectId, unwrapped = false) => {
        const json = localStorage.getItem(`${config.projects.savePrefix}${projectId}`);
        if (json === null) {
            return false
        }
        return unwrapped ? JSON.parse(json) : json;
    }
    this.downloadProject = (projectId = project.address.projectId, saveBeforeDownloading = true) => {
        if (projectId === project.address.projectId) {
            let vt_project = this.createSaveFile();
            if (saveBeforeDownloading) {
                this.saveProject(projectId, vt_project, true);
            }
            //downloadFile(JSON.stringify(vt_project), `${config.projects.savePrefix}${projectId}.json`, 'application/json');
            Module.downloadProject(projectId, JSON.stringify(vt_project));
        } else {
            const p = this.getProject(projectId);
            if (p !== false) {
                //downloadFile(p, `${config.projects.savePrefix}${projectId}.json`, 'application/json');
                Module.downloadProject(projectId, JSON.stringify(p));
            } else {
                console.error('TheatrePlay::downloadProject', `cannot download project with id ${projectId}, because it is neither current project or saved in localStorage`);
            }
        }
    };
    this.reloadToProject = (projectId, hardReload = true) => {
        const p = this.getProject(projectId, true);
        if (p !== false) {
            localStorage.setItem('currentProject', projectId);
            if (hardReload) {
                window.location.reload();
            } else {
                const layers = getLayers();
                for (let l = 0; l < layers.length; l++) {
                    const doSaveProject = false;
                    console.log('TheatrePlay::reloadToProject','deleting layer' , layers[l].id());
                    deleteLayer(layers[l].id(), doSaveProject);
                }
                localStorage.removeItem('theatre-0.4.persistent');
                studio.initialize();
                this.initProject(projectId, p.theatre).then(() => {
                    this.loadProject(projectId, p);
                });
            }
        } else {
            console.error('TheatrePlay::reloadToProject', `no saved project with id ${projectId}`);
        }
    };
    this.initProject = (projectId, projectJson = false) => {
        return new Promise((resolve) => {
            project = projectJson === false ? core.getProject(projectId) : core.getProject(projectId, {
                state: projectJson
            });
            window.setLoadingTask('setting up animation', 10);
            project.ready.then(() => {
                this.sheet = project.sheet('mainSheet');
                window.setLoadingTask('setting up animation', 30);
                waitingForShadowRoot(() => {
                    this.shadowRoot = document.getElementById('theatrejs-studio-root').shadowRoot;
                    this.addShadowCss();
                    resolve();
                    window.setLoadingTask('setting up animation', 42);
                });
                localStorage.setItem('currentProject', project.address.projectId);
            });
        });
    };
    this.duration = 0;
    this.loadProject = (projectId = false, project = false) => {
        console.log('TheatrePlay::loadProject');
        this.isProjectLoaded = false;
        return new Promise((resolve) => {
            if (projectId === false) {
                projectId = this.sheet.project.address.projectId;
            }
            if (project === false) {
                project = this.getProject(projectId, true);
            }
            if (project !== false) { // if project is not saved yet, create new
                // get all objects
                const objects = project
                    .theatre
                    .sheetsById
                    .mainSheet
                    .staticOverrides
                    .byObject;

                // load artboard
                let artboardValues = objects['artboard'];

                // for backward compatibility rename old values
                if (artboardValues.hasOwnProperty('scale')) {
                    artboardValues['zoom'] = artboardValues['scale'];
                    delete artboardValues['scale'];
                }
                // for backward compatibility merge with current values
                const defaultArtboardValues = window.getArtboard().theatreObject.value;
                const artboardProps = {...defaultArtboardValues, ...artboardValues};

                studio.transaction(({
                    set
                }) => {
                    set(window.getArtboard().theatreObject.props, artboardProps);
                });

                // load layers
                const layerPromises = [];
                Object.keys(objects)
                    .filter((e) => e.indexOf('layer-') === 0)
                    .forEach((layerId) => {
                        window.project_fontsHashMap = project.fontsHashMap;
                        layerPromises.push(window.addExistingLayer(layerId, objects[layerId]));
                    });

                Promise.all(layerPromises).then(() => {
                    window.layerOrder.set(project.layerOrder);
                    this.duration = this.core.val(this.sheet.sequence.pointer.length);
                    if (project.layerOrder.length > 0) {
                        getLayers().forEach((layer) => {
                            if (layer.id() === project.layerOrder[project.layerOrder.length - 1]) {
                                layer.select();
                            }
                        });
                    }
                    resolve();
                    this.isProjectLoaded = true;
                });
            } else {
                if (getLayers().length === 0 && config.layer.autoCreateFirstLayer) {
                    getFontsAndAxes().then((newFontsAndAxes) => {
                        const autoInitLayer = false;
                        const layer = addLayer(autoInitLayer);
                        layer.init().then(() => {
                            layer.select();
                            this.duration = this.core.val(this.sheet.sequence.pointer.length);
                            resolve();
                            this.isProjectLoaded = true;
                        });
                    });
                } else {
                    this.duration = this.core.val(this.sheet.sequence.pointer.length);
                    resolve();
                    this.isProjectLoaded = true;
                }
            }
        });
    };
    this.startNewProject = () => {
        if(confirm('Starting a new project will clear all project data and spin up a blank project from scratch. Uploaded assets (a.k.a. fonts) will stay. Is this fine?')) {
            setTimeout(() => {
                window.localStorage.clear();
                window.location.reload();
            }, 100);
        }
    };
    this.isInitialized = false;
    this.isProjectLoaded = false;
    this.init = () => {
        return new Promise((resolve) => {
            console.log('TheatrePlay', 'init');
            localStorage.removeItem('theatre-0.4.persistent');
            window.setLoadingTask('setting up animation', 0);
            studio.initialize();
            const currentProjectId = localStorage.getItem('currentProject');

            if (currentProjectId === null ||
                this.listProjects().indexOf(currentProjectId) < 0) {
                this.initProject('variable-time').then(() => {
                    this.findInjectPanels();
                    window.setLoadingTask('setting up animation', 60);
                    this.isInitialized = true;
                    resolve();
                });
            } else {
                const currentProject = this.getProject(currentProjectId, true);
                this.initProject(currentProjectId, currentProject.theatre).then(() => {
                    this.findInjectPanels();
                    window.setLoadingTask('setting up animation', 60);
                    this.isInitialized = true;
                    resolve();
                });
            }
        });
    }
    this.connectModuleCallbacks = () => {
        console.log('TheatrePlay::connectModuleCallbacks');
        //onChange(sequence.pointer.length, (len) => {
        //console.log('Length of the sequence changed to:', len)
        //})

        if (config.timeline.rolloverReset) {
            core.onChange(this.sheet.sequence.pointer.position, (position) => {
                if (position < config.timeline.rolloverThreshold_s) {
                    Module.resetLetterDelay();
                }
            });
        }

        core.onChange(this.sheet.sequence.pointer.playing, (playing) => {
            Module.setPlaying(playing);
        });
    };
    this.studio = studio;
    this.core = core;

    //action
    if (autoInit) {
        this.init();
    }
};

export {
    TheatrePlay
};