const Record = function(tp) {

    const hot = {}; 
    let isRecording = false;

    const addRecordButton = (layer, propTitle) => {
        const panel = tp.getPanel();
        const panelPropTitle = tp.getPanelPropTitle(propTitle);
        if (panelPropTitle !== null) {
            const container = tp.getPanelPropContainer(panelPropTitle);
            if (container === null) {
                console.log("Record::addRecordButton",
                    `impossible! cannot find panelPropContainer for ${propTitle}`);
            } else if (container.querySelector('.recordButton') !== null) {
                // this is super verbose, let's not log by default
                //console.log("Record::addRecordButton",
                    //`already added an record button for ${propTitle}`);
            } else {
                const button = document.createElement('div');
                button.classList.add('recordButton');
                button.classList.add(`recordButton${propTitle}`);
                button.innerHTML = `<img src="/web/assets/record.svg" alt="record" />`;
                container.append(button);
                button.addEventListener('click', () => {
                    if (!hot.hasOwnProperty(layer.id())) {
                        hot[layer.id()] = {};
                    }
                    if (!hot[layer.id()].hasOwnProperty(propTitle)) {
                        hot[layer.id()][propTitle] = {
                            recording: [],
                        };
                        button.classList.add('active');
                        startRecording();
                    } else {
                        stopRecording();
                        delete hot[layer.id()][propTitle];
                        if (Object.keys(hot[layer.id()]).length === 0) {
                            delete hot[layer.id()];
                        }
                        button.classList.remove('active');
                    }
                });
            }
        } else {
            console.log("Record::addRecordButton",
                `cannot find panelPropTitle for ${propTitle}`);
        }
    };

    const cloneInput = (layer, propTitle) => {
        const panel = tp.getPanel();
        const panelPropTitle = tp.getPanelPropTitle(propTitle);
        if (panelPropTitle !== null) {
            const container = tp.getPanelPropContainer(panelPropTitle);
            if (container === null) {
                console.log("Record::cloneInput",
                    `impossible! cannot find panelPropContainer for ${propTitle}`);
            } else if (container.querySelector('input.recording') !== null) {
                console.log("Record::cloneInput",
                    `already cloned input for ${propTitle}`);
            } else {
                const input = container.querySelector('input');
                if (input === null) {
                    console.log("Record::cloneInput",
                        `uuh.. seems there is no input to clone for ${propTitle}`);
                } else {
                    const input_clone = input.cloneNode();
                    input_clone.classList.value = '';
                    input_clone.classList.add('recording');
                    input.parentNode.after(input_clone);
                    input.setAttribute('data-previousDisplay', input.style.display);
                    input.style.display = 'none';
                    return input_clone;
                }
            }
        }
        return null;
    };

    const uncloneInput = (layer, propTitle) => {
        const panel = tp.getPanel();
        const panelPropTitle = tp.getPanelPropTitle(propTitle);
        if (panelPropTitle !== null) {
            const container = tp.getPanelPropContainer(panelPropTitle);
            if (container === null) {
                console.log("Record::uncloneInput",
                    `impossible! cannot find panelPropContainer for ${propTitle}`);
            } else if (container.querySelector('input.recording') === null) {
                console.log("Record::uncloneInput",
                    `already uncloned input for ${propTitle}`);
            } else {
                const input = container.querySelector('input:not(.recording)');
                const input_clone = container.querySelector('input.recording');
                if (input === null ) {
                    console.log("Record::uncloneInput",
                        `uuh.. seems there is no input for ${propTitle}`);
                } else if (input_clone === null ) {
                    console.log("Record::uncloneInput",
                        `uuh.. seems there is no input_clone for ${propTitle}`);
                } else {
                    input_clone.remove();
                    input.removeAttribute('data-previousDisplay');
                    const previousInputDisplay = input.getAttribute('data-previousDisplay');
                    input.style.display = previousInputDisplay;
                }
            }
        }
    };

    const injectPanel = (layer) => {
        const props = Object.keys(layer.theatreObject.value);
        props.forEach((propTitle) => {
            if (config.record.ignoreProps.indexOf(propTitle) < 0) {
                addRecordButton(layer, propTitle);
            }
        });
    };

    const startRecording = () => {
        tp.sheet.sequence.pause();
        const layerKeys = Object.keys(hot);
        layerKeys.forEach((layerID) => {
            const layer = getLayer(layerID);
            layer.updateValuesViaTheatre(false);
            const propTitles = Object.keys(hot[layerID]);
            propTitles.forEach((propTitle) => {
                // NOTE: layerID is not actually used atm
                // and should be the layer anyways
                const input_clone = cloneInput(layerID, propTitle);
                if (input_clone !== null) {
                    input_clone.addEventListener('change', (e) => {
                        hot[layerID][propTitle].recording.push({
                            position: tp.sheet.sequence.position,
                            value: parseFloat(input_clone.value),
                        });
                    });
                } else {
                    console.log('whoops input_clone is null');
                }
            });
            tp.sheet.sequence.position = 0;
            tp.sheet.sequence.play();
        });
        isRecording = true;
    };
    const stopRecording = () => {
        console.log('stoprecording');
        const layerKeys = Object.keys(hot);
        console.log({layerKeys});
        layerKeys.forEach((layerID) => {
            console.log(layerID);
            const layer = getLayer(layerID);
            layer.updateValuesViaTheatre(true);
            const propTitles = Object.keys(hot[layerID]);
            const keyframes = [];
            propTitles.forEach((propTitle) => {
                console.log(propTitle);
                // NOTE: layerID is not actually used atm
                // and should be the layer anyways
                uncloneInput(layerID, propTitle);
                console.log('should have uncloned input for ' + propTitle);
                keyframes.push({
                    path: [propTitle],
                    keyframes: hot[layerID][propTitle].recording,
                });
            });
            setTimeout(() => {
                console.log('adding the keyframes now because we wnat it to happen right now please');
                tp.addKeyframes(layer, keyframes);
            }, 2000);
        });
        isRecording = false;
    };

    // public
    this.addRecordButton = addRecordButton;
    this.getHot = () => {
        return hot;
    };
    this.isRecording = () => {
        return isRecording;
    };
    this.injectPanel = injectPanel;
    this.startRecording = startRecording;
    this.stopRecording = stopRecording;
};

export {
    Record
}