/* global GlobalDebugger */

(function () {
    // Modules
    Script.include(Script.resolvePath("./resources/modules/flow.js?v12"));

    var AppUi = Script.require("appUi"),
        URL = Script.resolvePath("./resources/avatarCustomization101_ui.html?v12344555"),
        CONFIG = Script.require(Script.resolvePath("./resources/config.js?v12345678919")),
        BLENDSHAPE_DATA = Script.require(Script.resolvePath("./resources/modules/blendshapes.js?v1")),
        MATERIAL_DATA = Script.require(Script.resolvePath("./resources/modules/materials.js")),
        AVATAR_URL = Script.resolvePath("./resources/avatar/avatar.fst");

    var DEBUG = true;

    // #region UTILITY FUNCTIONS

    function deepCopy(objectToCopy) {

        var newObject;

        try {
            newObject = JSON.parse(JSON.stringify(objectToCopy));
        } catch (e) {
            console.error("Error with deepCopy utility method" + e);
        }

        return newObject;
    }

    // #endregion UTILITY FUNCTIONS

    // #region MIRROR FUNCTIONS

    var MIRROR_DISTANCE_M = 0.5;
    var MIRROR_DISTANCE_BLENDSHAPES_M = 0.3; // mirror is closer when looking at your face

    var mirrorCubeID;
    var mirrorZoneID;

    function spawnMirror() {
        // create mirrror parent to avatar
        var position = Vec3.sum(MyAvatar.position, Vec3.multiplyQbyV(MyAvatar.orientation, { x: 0, y: 0.5, z: -MIRROR_DISTANCE_M }));
        mirrorCubeID = Entities.addEntity({
            type: "Box",
            name: "mirror",
            dimensions: {
                "x": 0.6,
                "y": 0.7,
                "z": 0.001
            },
            position: position,
            rotation: MyAvatar.orientation, // Quat.cancelOutRollAndPitch(Quat.lookAt(position, MyAvatar.position, Vec3.UNIT_Y)),
            userData: "{\"grabbableKey\":{\"grabbable\":false}}",
            collisionless: true,
            script: Script.resolvePath("./resources/modules/mirrorClient.js")
        }, "domain");
    }

    function deleteMirror() {
        // Delete mirror entity 
        // set mirrorID to null
        Entities.deleteEntity(mirrorCubeID);
        Entities.deleteEntity(mirrorZoneID);
        mirrorCubeID = null;
        mirrorZoneID = null;
    }

    // #endregion MIRROR FUNCTIONS

    // #region AVATAR FUNCTIONS

    var STRING_BOOKMARK_NAME = CONFIG.STRING_BOOKMARK_NAME;

    function bookmarkAvatar() {
        AvatarBookmarks.addBookmark(STRING_BOOKMARK_NAME);
    }

    function saveAvatarAndChangeToAvi() {
        bookmarkAvatar();
        changeAvatarToAvi();

        // getAvatarInfo
        // Save Avatar information via Settings
        //      !idea if there's already avatar information in the Settings (and different than curr)
        //      should we have a prompt that asks if they want to overwrite this avatar info
        // Change Avatar to Avi ()
    }

    function restoreAvatar() {
        var bookmarksObject = AvatarBookmarks.getBookmarks();

        if (bookmarksObject[STRING_BOOKMARK_NAME]) {
            AvatarBookmarks.loadBookmark(STRING_BOOKMARK_NAME);
            AvatarBookmarks.removeBookmark(STRING_BOOKMARK_NAME);
            setIsAviEnabledFalse();
        } else {
            Window.alert("No bookmark was saved in the avatar app.");
        }

    }

    function changeAvatarToAvi() {
        // Set avatar to Avi.fst
        MyAvatar.useFullAvatarURL(AVATAR_URL);
        MyAvatar.setAttachmentsVariant([]);
        setIsAviEnabledTrue();
    }

    function isAviYourCurrentAvatar() {
        return MyAvatar.skeletonModelURL === AVATAR_URL;
    }

    // Contains all steps to set the app state to isAviEnabled = true
    function setIsAviEnabledTrue() {
        dynamicData.state.isAviEnabled = true;
        spawnMirror();
        updateUI(STRING_STATE);
    }

    // Contains all steps to set the app state to isAviEnabled = false
    function setIsAviEnabledFalse() {
        dynamicData.state.isAviEnabled = false;
        dynamicData.state.activeTabName = STRING_INFO;

        updateUI(STRING_STATE);
    }

    // #endregion AVATAR FUNCTIONS

    // #region MATERIAL

    var materialID;
    var materialProperties;
    var STRING_GLASS_MAT = "glass";
    var STRING_CHAIN_MAT = "chainmail";
    var STRING_DISCO_MAT = "disco";
    var STRING_DEFAULT_MAT = "default";
    var STRING_RED_MAT = "red";
    var STRING_TEXTURE_MAT = "texture";
    var MATERIAL_DEFAULT = MATERIAL_DATA.defaults;
    var MATERIAL_GLASS = MATERIAL_DATA.glass;
    var MATERIAL_CHAINMAIL = MATERIAL_DATA.chainmail;
    var MATERIAL_DISCO = MATERIAL_DATA.disco;
    var MATERIAL_RED = MATERIAL_DATA.red;
    var MATERIAL_TEXTURE = MATERIAL_DATA.texture;


    // @args updatesObject name [string]
    function updateMaterial(newMaterialDataToApply, isNamed, isPBR) {

        // Applies to all materials
        materialProperties = {
            type: "Material",
            name: "Avatar101-Material",
            parentID: MyAvatar.sessionUUID,
            description: newMaterialDataToApply.description,
            materialURL: "materialData",
            priority: 1,
            materialMappingScale: {
                x: newMaterialDataToApply.materialMappingScale.x,
                y: newMaterialDataToApply.materialMappingScale.y
            },
            parentMaterialName: newMaterialDataToApply.parentMaterialName,
            materialData: JSON.stringify({
                materialVersion: 1,
                materials: newMaterialDataToApply.materials
            })
        };
        
        if (!isNamed) {
            dynamicData[STRING_MATERIAL].selectedMaterial = "";
        }

        var type = isPBR ? "pbr" : "shadeless";

        for (var property in newMaterialDataToApply.materials) {
            // take all properties in materials and put inside dynamic data
            dynamicData[STRING_MATERIAL][type][property] = newMaterialDataToApply.materials[property];
        }

        if (materialID) {
            // exists
            print("Material exists, Entities.editEntity time to update!");
            Entities.editEntity(materialID, materialProperties);
        } else {
            // needs to be created
            print("Material must be created! Entities.addEntity");
            materialID = Entities.addEntity(materialProperties, "avatar");
        }
    }

    // presets
    function applyNamedMaterial(materialName) {
        switch (materialName){
            case STRING_DEFAULT_MAT:
                // updateMaterial materialName, isNamed, isPBR
                updateMaterial(MATERIAL_DEFAULT, true, true);
                break;
            case STRING_GLASS_MAT:
                updateMaterial(MATERIAL_GLASS, true, true);
                break;
            case STRING_CHAIN_MAT:
                updateMaterial(MATERIAL_CHAINMAIL, true, true);
                break;
            case STRING_DISCO_MAT:
                updateMaterial(MATERIAL_DISCO, true, true);
                break;
            case STRING_RED_MAT:
                updateMaterial(MATERIAL_RED, true, false);
                break;
            case STRING_TEXTURE_MAT:
                updateMaterial(MATERIAL_TEXTURE, true, false);
                break;
        }
    }

    // #endregion MATERIAL

    // #region BLENDSHAPES

    var TRANSITION_TIME_SECONDS = 0.25;
    var STRING_AWE = "awe";
    var STRING_ANGRY = "angry";
    var STRING_DEFAULT = "default";
    var STRING_LAUGH = "laugh";
    var BLENDSHAPES_DEFAULT = BLENDSHAPE_DATA.defaults;
    var BLENDSHAPES_AWE = BLENDSHAPE_DATA.awe;
    var BLENDSHAPES_LAUGH = BLENDSHAPE_DATA.laugh;
    var BLENDSHAPES_ANGRY = BLENDSHAPE_DATA.angry;

    function mixValue(valueA, valueB, percentage) {
        return valueA + ((valueB - valueA) * percentage);
    }

    var lastEmotionUsed = BLENDSHAPES_DEFAULT;
    var emotion = BLENDSHAPES_DEFAULT;
    var isChangingEmotion = false;
    var changingEmotionPercentage = 0.0;

    Script.update.connect(function(deltaTime) {
        if (!isChangingEmotion) {
            return;
        }
        changingEmotionPercentage += deltaTime / TRANSITION_TIME_SECONDS;
        if (changingEmotionPercentage >= 1.0) {
            changingEmotionPercentage = 1.0;
            isChangingEmotion = false;
            if (emotion === BLENDSHAPES_DEFAULT) {
                MyAvatar.hasScriptedBlendshapes = false;
            }
        }
        for (var blendshape in emotion) {
            MyAvatar.setBlendshape(blendshape,
                mixValue(lastEmotionUsed[blendshape], emotion[blendshape], changingEmotionPercentage));
        }
    });

    function updateBlendshapes(newBlendshapeDataToApply, isName) {

        if (DEBUG) {
            print("New blendshape data", JSON.stringify(newBlendshapeDataToApply));
        }

        if (!isName) {
            // is not named blendshape, ensure last blendshape is not selected
            dynamicData[STRING_BLENDSHAPES].selected = "";
        }
        if (emotion !== lastEmotionUsed) {
            lastEmotionUsed = emotion;
        }
        if (newBlendshapeDataToApply !== lastEmotionUsed) {
            changingEmotionPercentage = 0.0;
            emotion = newBlendshapeDataToApply;
            isChangingEmotion = true;
            MyAvatar.hasScriptedBlendshapes = true;

            // All properties in emotion set to the blendshapes in dynamic data
            for(var property in emotion) {
                dynamicData[STRING_BLENDSHAPES].updatedProperties[property] = emotion[property];
            }

        }
    }

    // presets
    function applyNamedBlendshapes(blendshapeName) {
        // switch statement that matches the blendshape name
        //      "smile" -> updateBlendshapes(BLEND_SMILE);
        switch (blendshapeName){
            case STRING_DEFAULT:
                updateBlendshapes(BLENDSHAPES_DEFAULT, true);
                break;
            case STRING_AWE:
                updateBlendshapes(BLENDSHAPES_AWE, true);
                break;
            case STRING_LAUGH:
                updateBlendshapes(BLENDSHAPES_LAUGH, true);
                break;
            case STRING_ANGRY:
                updateBlendshapes(BLENDSHAPES_ANGRY, true);
                break;
        }
        dynamicData[STRING_BLENDSHAPES].selected = blendshapeName;
    }

    // #endregion BLENDSHAPES

    // #region FLOW

    // Subtype event strings
    var STRING_DEBUG_TOGGLE = CONFIG.FLOW_EVENTS_SUBTYPE.STRING_DEBUG_TOGGLE,
        STRING_COLLISIONS_TOGGLE = CONFIG.FLOW_EVENTS_SUBTYPE.STRING_COLLISIONS_TOGGLE,
        STRING_HAIR = CONFIG.FLOW_EVENTS_SUBTYPE.STRING_HAIR,
        STRING_JOINTS = CONFIG.FLOW_EVENTS_SUBTYPE.STRING_JOINTS;

    // Called when user navigates to flow tab
    function addRemoveFlowDebugSpheres(isEnabled) {
        // draw debug circles on the joints
        var flowSettings = GlobalDebugger.getDisplayData();

        // the state of flow is the opposite of what we want
        if (flowSettings.debug !== isEnabled) {
            GlobalDebugger.toggleDebugShapes();
            dynamicData[STRING_FLOW].showDebug = isEnabled;
        }

    }

    function addRemoveCollisions(isEnabled) {
        // draw debug circles on the joints
        var flowSettings = GlobalDebugger.getDisplayData();

        // the state of flow is the opposite of what we want
        if (flowSettings.collisions !== isEnabled) {
            GlobalDebugger.toggleCollisions();
            dynamicData[STRING_FLOW].enableCollisions = isEnabled;
        }

    }

    function updateFlow(newFlowDataToApply, subtype) {

        if (DEBUG) {
            print("updating flow: ", subtype, JSON.stringify(newFlowDataToApply))
        }

        // propertyName is the key and value is the new propety value
        // for example newFlowDataToApply = { stiffness: 0.5 }
        for (var propertyName in newFlowDataToApply) {

            var newValue = newFlowDataToApply[propertyName];

            if (subtype === STRING_HAIR) {
                GlobalDebugger.setJointDataValue("leaf", propertyName, newValue);
                dynamicData[STRING_FLOW].hairFlowOptions[propertyName] = newValue;

            } else if (subtype === STRING_JOINTS) {
                GlobalDebugger.setCollisionDataValue("HeadTop_End", propertyName, newValue);
                dynamicData[STRING_FLOW].jointFlowOptions[propertyName] = newValue;
            }

        }

    }

    // #endregion FLOW

    // #region ANIMATION

    var ANIMATION_1_DATA = {
        startframe: null,
        endframe: null,
        duration: null
    };
    var STRING_DEFAULT_WALK = "defaultWalk"; // todo check on string

    function loadAnimationsIntoCache() {
        // loop through all animations and add them to the AnimationCache
    }

    function updateAnimation(animationName) {
        // update default walk to animation
    }

    // #endregion

    // #region APP

    // App variables
    var UPDATE_UI = CONFIG.UPDATE_UI;
    var BUTTON_NAME = CONFIG.BUTTON_NAME;
    var APP_NAME = CONFIG.APP_NAME;

    // Static strings
    var STRING_MATERIAL = CONFIG.STRING_MATERIAL,
        STRING_BLENDSHAPES = CONFIG.STRING_BLENDSHAPES,
        STRING_ANIMATION = CONFIG.STRING_ANIMATION,
        STRING_FLOW = CONFIG.STRING_FLOW,
        STRING_INFO = CONFIG.STRING_INFO,
        STRING_STATE = CONFIG.STRING_STATE;

    // UI variables
    var ui;
    var dynamicData = deepCopy(CONFIG.INITIAL_DYNAMIC_DATA);

    // Tab dynamic variables
    var currentTab;

    function startup() {

        ui = new AppUi({
            buttonName: BUTTON_NAME,
            home: URL,
            onMessage: onMessage,
            // graphicsDirectory: Script.resolvePath("./resources/icons/"),
            onOpened: onOpened,
            onClosed: onClosed
        });

        // check avatar, if avatar is Avi.fst (or fbx) then set APP_AVI_ENABLED state
        // if not Avi avatar, dynamicData.aviEnabled is false
        // loadAnimationsIntoCache();

        Script.scriptEnding.connect(unload);
    }

    function onClosed() {


        deleteMirror();
        // save lastTab that the user was on
        dynamicData.state.activeTabName = currentTab;

    }

    function onOpened() {

        if (DEBUG) {
            print("ACA101 onOpened: isAviEnabled ", isAviYourCurrentAvatar());
            print("ACA101 onOpened: activeTabName is ", dynamicData.state.activeTabName);
        }

        if (isAviYourCurrentAvatar()) {

            setIsAviEnabledTrue();

            // if your last closed tab has extra setup functionality
            // ensure you have the correct view for the current tab
            switchTabs(dynamicData.state.activeTabName);

        } else {
            setIsAviEnabledFalse();
        }

        updateUI();

    }

    function switchTabs(tabName) {

        // if tabName === STRING_BLENDSHAPES
        //      setMirrorDistanceToBlendshapes();
        // if currentTab === STRING_BLENDSHAPES && tabName !== STRING_BLENDSHAPES
        //      setMirrorDistanceToDefault();

        print("Switch tabs");

        if (tabName === STRING_FLOW && dynamicData[STRING_FLOW].showDebug){
            addRemoveFlowDebugSpheres(true);
        }
        if (currentTab === STRING_FLOW && tabName !== STRING_FLOW){
            addRemoveFlowDebugSpheres(false);
        }

        currentTab = tabName;

    }

    function unload() {

        deleteMirror();

        if (materialID) {
            Entities.deleteEntity(materialID);
            materialID = null;
        }

        // deleteFlowDebugSpheres();
        // removeAvi as avatar and restore old avatar
        //      if no old avatar in Settings setAvatar to Woody?

    }

    // #endregion APP

    // #region EVENTS

    var EVENT_BRIDGE_OPEN_MESSAGE = CONFIG.EVENT_BRIDGE_OPEN_MESSAGE;
    var EVENT_CHANGE_AVATAR_TO_AVI_AND_SAVE_AVATAR = CONFIG.EVENT_CHANGE_AVATAR_TO_AVI_AND_SAVE_AVATAR;
    var EVENT_RESTORE_SAVED_AVATAR = CONFIG.EVENT_RESTORE_SAVED_AVATAR;
    var EVENT_CHANGE_AVATAR_TO_AVI_WITHOUT_SAVING_AVATAR = CONFIG.EVENT_CHANGE_AVATAR_TO_AVI_WITHOUT_SAVING_AVATAR;
    var EVENT_UPDATE_MATERIAL = CONFIG.EVENT_UPDATE_MATERIAL;
    var EVENT_UPDATE_BLENDSHAPE = CONFIG.EVENT_UPDATE_BLENDSHAPE;
    var EVENT_UPDATE_FLOW = CONFIG.EVENT_UPDATE_FLOW;
    var EVENT_UPDATE_ANIMATION = CONFIG.EVENT_UPDATE_ANIMATION;
    var EVENT_CHANGE_TAB = CONFIG.EVENT_CHANGE_TAB;
    var EVENT_UPDATE_AVATAR = CONFIG.EVENT_UPDATE_AVATAR;

    var DEBUG_EVENTS = true;

    // Handles events recieved from the UI
    function onMessage(data) {

        // EventBridge message from HTML script.

        // Check against EVENT_NAME to ensure we're getting the correct messages from the correct app
        if (!data.type || data.type.indexOf(APP_NAME) === -1) {
            if (DEBUG_EVENTS) {
                print("Event type event name index check: ", !data.type, data.type.indexOf(APP_NAME) === -1);
            }
            return;
        }
        data.type = data.type.replace(APP_NAME, "");

        if (DEBUG_EVENTS) {
            print("onMessage: ", data.type);
            print("subtype: ", data.subtype);
        }

        switch (data.type) {
            case EVENT_BRIDGE_OPEN_MESSAGE:

                updateUI();
                break;

            case EVENT_UPDATE_AVATAR:

                switch (data.subtype) {
                    case EVENT_CHANGE_AVATAR_TO_AVI_AND_SAVE_AVATAR:
                        saveAvatarAndChangeToAvi();
                        break;
                    case EVENT_RESTORE_SAVED_AVATAR:
                        restoreAvatar();
                        break;
                    case EVENT_CHANGE_AVATAR_TO_AVI_WITHOUT_SAVING_AVATAR:
                        changeAvatarToAvi();
                        break;
                    default:
                        break;
                }

                break;

            case EVENT_CHANGE_TAB:

                switchTabs(data.value);

                break;

            case EVENT_UPDATE_MATERIAL:

                // delegates the method depending on if 
                // event has name property or updates property

                if (data.name) {
                    applyNamedMaterial(data.name);
                } else {
                    updateMaterial(data.updates, false, true); // *** todo add if pbr or shadeless
                }

                updateUI(STRING_MATERIAL);

                break;

            case EVENT_UPDATE_BLENDSHAPE:

                if (data.name) {
                    applyNamedBlendshapes(data.name);
                } else {
                    updateBlendshapes(data.updates);
                }

                updateUI(STRING_BLENDSHAPES);

                break;
            case EVENT_UPDATE_FLOW:

                switch (data.subtype) {
                    case STRING_DEBUG_TOGGLE:
                        print("TOGGLE DEBUG SPHERES ", data.updates)
                        addRemoveFlowDebugSpheres(data.updates);
                        break;
                    case STRING_COLLISIONS_TOGGLE:
                        addRemoveCollisions(data.updates);
                        break;
                    case STRING_HAIR: 
                        updateFlow(data.updates, STRING_HAIR);
                        break;
                    case STRING_JOINTS: 
                        updateFlow(data.updates, STRING_JOINTS);
                        break;
                    default: 
                        console.error("Flow recieved no matching subtype");
                        break;
                }

                updateUI(STRING_FLOW);

                break;
            case EVENT_UPDATE_ANIMATION:

                // updateAnimation(data.name);

                break;

            default:
                break;
        }

    }

    function updateUI(type) {

        var messageObject = {
            type: UPDATE_UI,
            subtype: type ? type : "",
            value: type ? dynamicData[type] : dynamicData
        };

        if (DEBUG_EVENTS) {
            print("Update UI", type);
        }

        ui.sendToHtml(messageObject);
    }

    // #endregion EVENTS

    startup();

}());