/** Copyright Stewart Allen <sa@grid.space> -- All Rights Reserved */

import { $, h } from '../moto/webui.js';
import { api } from './api.js';
import { conf } from './conf.js';
import { space } from '../moto/space.js';
import { devices as devlist } from '../pack/devices.js';

export const device = {
    clone: cloneDevice,
    code: currentDeviceCode,
    get: currentDeviceName,
    set: selectDevice,
    isBelt
};

export const devices = {
    show: showDevices,
    select: selectDevice,
    refresh: updateDeviceList,
    update_laser_state: updateLaserState
};

function isBelt() {
    return api.conf.get().device.bedBelt;
}

function currentDeviceName() {
    return api.conf.get().filter[api.mode.get()];
}

function currentDeviceCode() {
    return api.conf.get().devices[currentDeviceName()];
}

function getModeDevices() {
    return Object.keys(devlist[ api.mode.get_lower() ]).sort();
}

export function showDevices() {
    api.settings.sync.get().then(_showDevices);
}

function _showDevices() {
    updateDeviceList();
    api.modal.show('setup');
}

function updateDeviceList() {
    renderDevices(getModeDevices());
}

function updateDeviceName(newname) {
    let selected = api.device.get(),
        devs = api.conf.get().devices;
    if (newname !== selected) {
        devs[newname] = devs[selected];
        delete devs[selected];
        selectDevice(newname);
        updateDeviceList();
    }
}

function putLocalDevice(devicename, obj) {
    api.conf.get().devices[devicename] = obj;
    api.conf.save();
}

function removeLocalDevice(devicename) {
    delete api.conf.get().devices[devicename];
    api.conf.save();
    api.settings.sync.put();
}

function isLocalDevice(devicename) {
    return api.conf.get().devices[devicename] ? true : false;
}

function getSelectedDevice() {
    return api.device.get();
}

function selectDevice(devicename) {
    if (isLocalDevice(devicename)) {
        setDeviceCode(api.conf.get().devices[devicename], devicename);
    } else {
        let code = devices[api.mode.get_lower()][devicename];
        if (code) {
            setDeviceCode(code, devicename);
        }
    }
}

// only for local filters
function cloneDevice() {
    let name = `${getSelectedDevice().replace(/\./g,' ')}`;
    let code = api.clone(api.conf.get().device);
    code.mode = api.mode.get();
    if (name.toLowerCase().indexOf('my ') >= 0) {
        name = `${name} copy`;
    } else {
        name = `My ${name}`;
    }
    putLocalDevice(name, code);
    setDeviceCode(code, name);
    api.settings.sync.put();
}

function updateLaserState() {
    const dev = api.conf.get().device;
    $('laser-on').style.display = dev.useLaser ? 'flex' : 'none';
    $('laser-off').style.display = dev.useLaser ? 'flex' : 'none';
}

function setDeviceCode(code, devicename) {
    api.event.emit('device.select', devicename);
    try {
        if (typeof(code) === 'string') code = js2o(code) || {};

        let mode = api.mode.get(),
            lmode = mode.toLowerCase(),
            current = api.conf.get(),
            local = isLocalDevice(devicename),
            dev = current.device = conf.device_from_code(code,mode),
            dproc = current.devproc[devicename], // last process name for this device
            newdev = dproc === undefined,   // first time device is selected
            predev = current.filter[mode],  // previous device selection
            chgdev = predev !== devicename; // device is changing

        // fill missing device fields
        conf.fill_cull_once(dev, conf.defaults[lmode].d);

        // first time device use, add any print profiles and set to default if present
        if (code.profiles) {
            for (let profile of code.profiles) {
                let profname = profile.processName;
                // if no saved profile by that name for this mode...
                if (!current.sproc[mode][profname]) {
                    console.log('adding profile', profname, 'to', mode);
                    current.sproc[mode][profname] = profile;
                }
                // if it's a new device, seed the new profile name as last profile
                if (newdev && !current.devproc[devicename]) {
                    console.log('setting default profile for new device', devicename, 'to', profname);
                    current.devproc[devicename] = dproc = profname;
                }
            }
        }

        dev.new = false;
        dev.deviceName = devicename;

        let { platform, ui, uc } = api;

        ui.deviceBelt.checked = dev.bedBelt;
        ui.deviceRound.checked = dev.bedRound;
        ui.deviceOrigin.checked = dev.ctOriginCenter || dev.originCenter || dev.bedRound;
        ui.fwRetract.checked = dev.fwRetract;

        // add extruder selection buttons
        if (dev.extruders) {
            let ext = api.lists.extruders = [];
            dev.internal = 0;
            for (let i=0; i<dev.extruders.length; i++) {
                ext.push({id:i, name:i});
            }
        }

        // disable editing for non-local devices
        [
            // ui.deviceName,
            ui.gcodePre,
            ui.gcodePost,
            ui.bedDepth,
            ui.bedWidth,
            ui.maxHeight,
            ui.useLaser,
            ui.resolutionX,
            ui.resolutionY,
            ui.deviceOrigin,
            ui.deviceRound,
            ui.deviceBelt,
            ui.fwRetract,
            ui.deviceZMax,
            ui.gcodeTime,
            ui.gcodeFan,
            ui.gcodeFeature,
            ui.gcodeTrack,
            ui.gcodeLayer,
            ui.extFilament,
            ui.extNozzle,
            ui.spindleMax,
            ui.gcodeSpindle,
            ui.gcodeDwell,
            ui.gcodeChange,
            ui.gcodeFExt,
            ui.gcodeSpace,
            ui.gcodeStrip,
            ui.gcodeLaserOn,
            ui.gcodeLaserOff,
            ui.laserMaxPower,
            ui.extPrev,
            ui.extNext,
            ui.extAdd,
            ui.extDel,
            ui.extOffsetX,
            ui.extOffsetY
        ].forEach(function(e) {
            e.disabled = !local;
        });

        ui.deviceSave.disabled = !local;
        ui.deviceDelete.disabled = !local;
        ui.deviceRename.disabled = !local;
        ui.deviceExport.disabled = !local;
        ui.deviceAdd.style.display = mode === 'SLA' ? 'none' : '';

        if (local) {
            ui.deviceAdd.innerText = "copy";
            ui.deviceDelete.style.display = '';
            ui.deviceRename.style.display = '';
            ui.deviceExport.style.display = '';
        } else {
            ui.deviceAdd.innerText = "customize";
            ui.deviceDelete.style.display = 'none';
            ui.deviceRename.style.display = 'none';
            ui.deviceExport.style.display = 'none';
        }
        ui.deviceAdd.disabled = dev.noclone;

        api.conf.update_fields();
        space.platform.setBelt(isBelt());
        platform.update_size();
        platform.update_origin();
        platform.update();
        updateLaserState();

        // store current device name for this mode
        current.filter[mode] = devicename;
        // cache device record for this mode (restored in setMode)
        current.cdev[mode] = dev;

        if (dproc) {
            // restore last process associated with this device
            api.conf.load(null, dproc);
        } else {
            api.conf.update();
        }

        api.conf.save();

        if (isBelt()) {
            // space.view.setHome(dev.bedBelt ? Math.PI/2 : 0, Math.PI / 2.5);
            space.view.setHome(0, Math.PI / 2.5);
        } else {
            space.view.setHome(0);
        }
        // when changing devices, update focus on widgets
        if (chgdev) {
            setTimeout(api.space.set_focus, 0);
        }

        uc.refresh(1);
        api.event.emit('device.selected', dev);
    } catch (e) {
        console.log({error:e, device:code, devicename});
        api.show.alert(`invalid or deprecated device: "${devicename}"`, 10);
        api.show.alert(`please select a new device`, 10);
        throw e;
        showDevices();
    }
    api.function.clear();
    api.event.settings();
}

function renderDevices(devices) {
    let selected = api.device.get() || devices[0],
        features = api.feature,
        devs = api.conf.get().devices,
        dfilter = typeof(features.device_filter) === 'function' ? features.device_filter : undefined;

    for (let local in devs) {
        if (!(devs.hasOwnProperty(local) && devs[local])) {
            continue;
        }
        let dev = devs[local],
            fdmCode = dev.cmd,
            fdmMode = (api.mode.get() === 'FDM');
        if (dev.mode ? (dev.mode === api.mode.get()) : (fdmCode ? fdmMode : !fdmMode)) {
            devices.push(local);
        }
    };

    devices = devices.sort();

    let { event, ui } = api;

    event.emit('devices.render', devices);

    ui.deviceSave.onclick = function() {
        event.emit('device.save');
        api.function.clear();
        api.conf.save();
        api.settings.sync.put();
        showDevices();
        api.modal.hide();
    };
    ui.deviceAdd.onclick = function() {
        api.function.clear();
        cloneDevice();
        showDevices();
    };
    ui.deviceDelete.onclick = function() {
        api.function.clear();
        removeLocalDevice(getSelectedDevice());
        selectDevice(getModeDevices()[0]);
        showDevices();
    };
    ui.deviceRename.onclick = function() {
        api.uc.prompt(`Rename "${selected}`, selected).then(newname => {
            if (newname) {
                updateDeviceName(newname);
                api.conf.save();
                api.settings.sync.put();
                showDevices();
            } else {
                showDevices();
            }
        });
    };
    ui.deviceExport.onclick = function(event) {
        const record = {
            version: kiri.version,
            device: selected,
            process: api.process.code(),
            profiles: event.altKey ? api.settings.prof() : undefined,
            code: devs[selected],
            time: Date.now()
        };
        let exp = api.util.b64enc(record);
        api.device.export(exp, selected, { event, record });
    };

    let dedup = {};
    let list_cdev = [];
    let list_mdev = [];
    devices.forEach(function(device, index) {
        // prevent device from appearing twice
        // such as local name = standard device name
        if (dedup[device]) {
            return;
        }
        dedup[device] = device;
        let loc = isLocalDevice(device);
        if (dfilter && dfilter(device) === false) {
            return;
        }
        if (loc) {
            list_mdev.push(h.option(device));
        } else {
            list_cdev.push(h.option(device));
        }
    });

    let dev_list = $('dev-list');
    h.bind(dev_list, [
        h.option({ _: '-- My Devices --', disabled: true }),
        ...list_mdev,
        h.option({ _: '-- Stock Devices --', disabled: true }),
        ...list_cdev
    ]);
    let dev_opts = [...dev_list.options].map(o => o.innerText);
    dev_list.selectedIndex = dev_opts.indexOf(selected);
    dev_list.onchange = ev => {
        const seldev = dev_list.options[dev_list.selectedIndex];
        selectDevice(seldev.innerText);
        api.platform.layout();
    }
    selectDevice(selected);
}