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

"use strict";

(function() {

    let KIRI = self.kiri,
        BASE = self.base,
        CAM = KIRI.driver.CAM,
        PRO = CAM.process,
        newPolygon = BASE.newPolygon,
        newPoint = BASE.newPoint,
        isArrange,
        isCamMode,
        camStock,
        API, SPACE, MODES, VIEWS, UI, UC;

    CAM.init = function(kiri, api) {
        // console.log({kiri,api})
        SPACE = api.const.SPACE;
        MODES = api.const.MODES;
        VIEWS = api.const.VIEWS;
        UI = api.ui;
        UC = api.uc;
        API = api;

        api.event.on("mode.set", (mode) => {
            isCamMode = mode === 'CAM';
            $('set-tools').style.display = isCamMode ? '' : 'none';
            kiri.space.platform.setColor(isCamMode ? 0xeeeeee : 0xcccccc);
            updateStock(undefined, 'internal');
        });

        api.event.on("view.set", (mode) => {
            isArrange = (mode === VIEWS.ARRANGE);
        });

        api.event.on("settings.saved", (settings) => {
            const proc = settings.process;
            // show/hide dots in enabled process pop buttons
            api.ui.camTabs.marker.style.display = proc.camTabsOn ? 'flex' : 'none';
            api.ui.camRough.marker.style.display = proc.camRoughOn ? 'flex' : 'none';
            api.ui.camDrill.marker.style.display =
                proc.camDrillingOn || proc.camDrillReg !== 'none' ? 'flex' : 'none';
            api.ui.camOutline.marker.style.display = proc.camOutlineOn ? 'flex' : 'none';
            api.ui.camContour.marker.style.display =
                proc.camContourXOn || proc.camContourYOn ? 'flex' : 'none';
            updateStock(settings, 'settings.saved.internal');
        });

        api.event.on([
            "init-done",
            // update stock when modes change?
            "slice.end",
            "preview.end",
            // update stock when preferences change
            // "boolean.click",
            "boolean.update",
            // update stock when objects move
            "platform.layout",
            "selection.drag",
            "selection.move",
            // force bounds update, too
            "selection.scale",
            "selection.rotate"
        ], updateStock);
    };

    function updateStock(args, event) {
        const SPACE = API.const.SPACE;
        const STACKS = API.const.STACKS;

        STACKS.remove('bounds');
        if (isCamMode && isArrange) {
            STACKS.clear();
        }

        if (!isCamMode) {
            if (camStock) {
                SPACE.platform.remove(camStock);
                camStock = null;
            }
            return;
        }

        const refresh = (event === "selection.scale" || event === 'selection.rotate');

        let settings = API.conf.get();
        let widgets = API.widgets.all();
        let proc = settings.process;
        let enabled = UI.camStockOn.checked;
        let offset = UI.camStockOffset.checked;
        let stockSet = offset || (proc.camStockX && proc.camStockY && proc.camStockZ > 0);
        let topZ = API.platform.top_z();
        let delta = 0;
        let csox = 0;
        let csoy = 0;
        let stock = settings.stock = { };

        // create/inject cam stock if stock size other than default
        if (enabled && stockSet && widgets.length) {
            let csx = proc.camStockX;
            let csy = proc.camStockY;
            let csz = proc.camStockZ;
            if (offset) {
                let min = { x: Infinity, y: Infinity, z: 0 };
                let max = { x: -Infinity, y: -Infinity, z: -Infinity };
                widgets.forEach(function(widget) {
                    let wbnd = widget.getBoundingBox(refresh);
                    let wpos = widget.track.pos;
                    min = {
                        x: Math.min(min.x, wpos.x + wbnd.min.x),
                        y: Math.min(min.y, wpos.y + wbnd.min.y),
                        z: 0
                    };
                    max = {
                        x: Math.max(max.x, wpos.x + wbnd.max.x),
                        y: Math.max(max.y, wpos.y + wbnd.max.y),
                        z: Math.max(max.z, wbnd.max.z)
                    };
                });
                csx += max.x - min.x;
                csy += max.y - min.y;
                csz += max.z - min.z;
                csox = min.x + ((max.x - min.x) / 2);
                csoy = min.y + ((max.y - min.y) / 2);
            }
            if (!camStock) {
                let geo = new THREE.BoxGeometry(1, 1, 1);
                let mat = new THREE.MeshBasicMaterial({
                    color: 0x777777,
                    opacity: 0.2,
                    transparent: true,
                    side:THREE.DoubleSide
                });
                camStock = new THREE.Mesh(geo, mat);
                camStock.renderOrder = 2;
                SPACE.platform.add(camStock);
            }
            stock = settings.stock = {
                x: csx,
                y: csy,
                z: csz,
                center: {
                    x: csox,
                    y: csoy,
                    z: csz / 2
                }
            };
            camStock.scale.x = csx + 0.005;
            camStock.scale.y = csy + 0.005;
            camStock.scale.z = csz + 0.005;
            camStock.position.x = csox;
            camStock.position.y = csoy;
            camStock.position.z = csz / 2;
            delta = csz - topZ;
        } else if (camStock) {
            SPACE.platform.remove(camStock);
            camStock = null;
            delta = 0;
        }

        const {x, y, z} = stock;
        if (x && y && z && !STACKS.getStack('bounds')) {
            const render = new KIRI.Render().setLayer('bounds', { face: 0xaaaaaa, line: 0xaaaaaa });
            const stack = STACKS.create('bounds', SPACE.platform.world);
            stack.add(render.addPolys([
                newPolygon().centerRectangle({x:csox, y:csoy, z:0}, x, y),
                newPolygon().centerRectangle({x:csox, y:csoy, z}, x, y)
            ], { thin: true } ));
            const hx = x/2, hy = y/2;
            stack.add(render.addLines([
                newPoint(csox + hx, csoy - hy, 0), newPoint(csox + hx, csoy - hy, stock.z),
                newPoint(csox + hx, csoy + hy, 0), newPoint(csox + hx, csoy + hy, stock.z),
                newPoint(csox - hx, csoy - hy, 0), newPoint(csox - hx, csoy - hy, stock.z),
                newPoint(csox - hx, csoy + hy, 0), newPoint(csox - hx, csoy + hy, stock.z),
            ], { thin: true }));
        }

        API.platform.update_top_z(delta);
        API.platform.update_origin();
        SPACE.update();
    }

})();