'use strict';

/*
 *+------------------------------------------------------------------------+
 *| Licensed Materials - Property of IBM
 *| IBM Cognos Products: Content Explorer
 *| (C) Copyright IBM Corp. 2015, 2019
 *|
 *| US Government Users Restricted Rights - Use, duplication or disclosure
 *| restricted by GSA ADP Schedule Contract with IBM Corp.
 *+------------------------------------------------------------------------+
 */
define(['../../lib/@waca/core-client/js/core-client/ui/core/Class', 'underscore', '../../app/util/ErrorUtils'], function (BaseClass, _, ErrorUtils) {

	var defaultEmbeddedUIConfiguration = {
		buttons: {
			'com.ibm.bi.dashboard.pin': false,
			'com.ibm.bi.dashboard.customWidget': false,
			'com.ibm.bi.dashboard.saveMenu': false
		}
	};

	var uiParts = [{
		id: 'navbar'
	}, {
		id: 'appbar'
	}];

	var ButtonHideHelper = BaseClass.extend({
		/**
  	Used when changing the mode in which the dashboard
  	@param glassContext {object} - the glass context
  	@param mode {string} - one of three possible modes: 'authoring', 'consume', 'eventGroups', 'translation'
  **/
		changeMode: function changeMode(glassContext, mode, options) {
			if (this._buttonCollection) {
				this._changeMode(glassContext, mode);
			} else {
				glassContext.appController.findCollection(this._getButtonsCollection(glassContext)).then(function (buttonCollection) {
					this._buttonCollection = buttonCollection;
					this._applyContainerAppButtonConfig(options && options.containerAppOptions);
					this._applyContainerUIPartConfig(options && options.containerAppOptions);
					this._changeMode(glassContext, mode);
				}.bind(this));
			}
		},

		_applyContainerAppButtonConfig: function _applyContainerAppButtonConfig(options) {
			var uiOptions = ((options || {}).configuration || {}).ui || null;
			if (uiOptions) {
				// default non-dashboard buttons added to the dashboard
				var nonDashboardButtons = ['com.ibm.bi.glass.common.home', 'com.ibm.bi.admin.admin', 'com.ibm.bi.glass.common.createMenu', 'com.ibm.bi.share.notifications', 'com.ibm.bi.glass.common.viewSwitcher', 'com.ibm.bi.glass.common.personalMenu', 'com.ibm.bi.dashboard.saveMenu', 'com.ibm.bi.contentApps.myContentFoldersSlideout', 'com.ibm.bi.search.search', 'com.ibm.bi.contentApps.teamFoldersSlideout', 'com.ibm.bi.contentApps.mruSlideout', 'com.ibm.bi.contentApps.myPortalPages'];

				nonDashboardButtons.forEach(function (id) {
					this._buttonCollection.push({
						id: id
					});
				}.bind(this));

				_.each(this._buttonCollection, function (button) {
					// extend any buttons that are configured or needs to hidden by default
					_.extend(button, {
						modes: {
							authoring: {
								visible: this._getButtonVisibility(uiOptions, button, 'authoring', true)
							},
							consume: {
								visible: this._getButtonVisibility(uiOptions, button, 'consume', true)
							},
							eventGroups: {
								visible: this._getButtonVisibility(uiOptions, button, 'eventGroups', true)
							},
							widgetMaximized: {
								visible: this._getButtonVisibility(uiOptions, button, 'widgetMaximized', false)
							},
							translation: {
								visible: this._getButtonVisibility(uiOptions, button, 'translation', true)
							}
						}
					});
				}.bind(this));
			}
		},

		_applyContainerUIPartConfig: function _applyContainerUIPartConfig(options) {
			var uiOptions = ((options || {}).configuration || {}).ui || null;
			if (uiOptions) {
				uiParts.forEach(function (part) {
					_.extend(part, {
						modes: {
							authoring: {
								visible: this._getUISectionVisibility(uiOptions, part.id, 'authoring', true)
							},
							consume: {
								visible: this._getUISectionVisibility(uiOptions, part.id, 'consume', part.id !== 'navbar')
							},
							eventGroups: {
								visible: this._getUISectionVisibility(uiOptions, part.id, 'eventGroups', true)
							},
							translation: {
								visible: this._getUISectionVisibility(uiOptions, part.id, 'translation', true)
							}
						}
					});
				}.bind(this));
			}
		},

		_getUISectionVisibility: function _getUISectionVisibility(uiOptions, id, mode, defaultValue) {
			if (!uiOptions) {
				return {};
			}

			var uiModeProperty = ((uiOptions.modes || {})[mode] || {})[id];
			if (uiModeProperty !== undefined) {
				return uiModeProperty;
			} else if (uiOptions[id] !== undefined) {
				return uiOptions[id];
			}

			return defaultValue;
		},

		_getButtonVisibility: function _getButtonVisibility(uiOptions, button, mode, hideByDefault) {
			var visible = this._getButtonVisibilityFromOptions(uiOptions, button.id, mode);
			if (visible !== null) {
				return visible;
			}

			visible = this._getButtonVisibilityFromOptions(defaultEmbeddedUIConfiguration, button.id, mode);
			if (visible !== null) {
				return visible;
			}

			// If we shouldn't hide by default then set it to undefined and our hide code will ignore this button
			var defaultValue = hideByDefault === true ? false : undefined;
			return ((button.modes || {})[mode] || {}).visible || defaultValue;
		},

		_getButtonVisibilityFromOptions: function _getButtonVisibilityFromOptions(uiOptions, id, mode) {
			if (!uiOptions) {
				return {};
			}

			var modeButtonConfig = (((uiOptions.modes || {})[mode] || {}).buttons || {})[id];
			if (modeButtonConfig !== undefined) {
				return modeButtonConfig;
			}

			var buttonConfig = (uiOptions.buttons || {})[id];
			if (buttonConfig !== undefined) {
				return buttonConfig;
			}

			return null;
		},

		_handleUIPartModeChange: function _handleUIPartModeChange(glassContext, mode) {
			uiParts.forEach(function (part) {
				if (part.modes && part.modes[mode]) {
					glassContext.appController.currentAppView.$('.' + part.id).css('display', part.modes[mode].visible ? '' : 'none');
				}
			});
		},

		_changeMode: function _changeMode(glassContext, mode) {
			if (!this._buttonCollection) {
				console.log('Could not fix the contributed button collection.');
				return;
			}

			if (!glassContext.appController.currentAppView.$('.navbar').hasClass('narrow')) {
				glassContext.appController.currentAppView.$('.navbar').addClass('narrow');
			}

			this._handleUIPartModeChange(glassContext, mode);

			this._buttonCollection.forEach(function (button) {
				var plugin = glassContext.appController.findPlugin(button.id);

				if (!plugin) {
					return;
				}

				if (!this._isDevMode(glassContext) && button.development === true) {
					this._hidePlugin(plugin);
					return;
				}

				if (this._isHideForConsumerMode(glassContext, button.id)) {
					this._hidePlugin(plugin);
					return;
				}

				if (this._isDisabledForConsumerMode(glassContext, button.id)) {
					this._disablePlugin(plugin);
					return;
				}

				var modeInfo = button.modes ? button.modes[mode] : null;
				if (modeInfo) {
					var visible = plugin.hideForever === true ? false : modeInfo.visible;
					this._handleVisibleProperty(visible, plugin);
					this._handleDisabledProperty(modeInfo.disabled, plugin);
					this._handlePressedProperty(modeInfo.pressed, plugin);
				}
			}.bind(this));
		},

		_isHideForConsumerMode: function _isHideForConsumerMode(glassContext, buttonId) {
			// explore and dashboard shares the save button, but dashboard capability should not affect explore user to save exploration
			// TODO: clean this up once explore has their own button contribution
			var appViewType = glassContext.appController.getCurrentContentView().getDashboardApi().getType().toUpperCase();
			var hiddenButtons = ['com.ibm.bi.dashboard.saveMenu', 'com.ibm.bi.dashboard.mode'];
			return hiddenButtons.indexOf(buttonId) !== -1 && appViewType !== 'EXPLORE' ? !ErrorUtils.hasCapability(glassContext, 'canAuthorDashboard') : false;
		},
		_isDisabledForConsumerMode: function _isDisabledForConsumerMode(glassContext, buttonId) {
			var disabledButtons = ['com.ibm.bi.dashboard.mode'];
			return disabledButtons.indexOf(buttonId) !== -1 ? ErrorUtils.hasCapability(glassContext, 'canAuthorDashboard') && !glassContext.appController.getCurrentContentView().canAuthor() && !glassContext.appController.getCurrentContentView().isNew() : false;
		},


		_isDevMode: function _isDevMode(glassContext) {
			if (glassContext.isDevInstall) {
				return glassContext.isDevInstall();
			}
			return false;
		},

		_handleVisibleProperty: function _handleVisibleProperty(visible, plugin) {
			if (visible === true) {
				this._showPlugin(plugin);
			} else if (visible === false) {
				this._hidePlugin(plugin);
			}
		},

		_handleDisabledProperty: function _handleDisabledProperty(disabled, plugin) {
			if (disabled === true) {
				this._disablePlugin(plugin);
			} else if (disabled === false) {
				plugin.enable();
			}
		},

		_handlePressedProperty: function _handlePressedProperty(pressed, plugin) {
			if (pressed === true) {
				plugin.setPressed();
			} else if (pressed === false) {
				plugin.setUnpressed();
			}
		},

		_disablePlugin: function _disablePlugin(plugin) {
			if (plugin) {
				// Make sure any slideouts for the common plugins are hidden when switching modes
				this._actionControllerOnHide(plugin);
				plugin.disable();
			}
		},

		_hidePlugin: function _hidePlugin(plugin) {
			if (plugin) {
				this._actionControllerOnHide(plugin);
				plugin.hide();
			}
		},

		_showPlugin: function _showPlugin(plugin) {
			if (plugin) {
				plugin.enable();
				plugin.show();
			}
		},

		_actionControllerOnHide: function _actionControllerOnHide(plugin) {
			// TODO : the glass should be able to notify the action controller when there is a hide/show/enable/disable
			// Currently there is not way to do that, so we manually call hide on the controller.
			if (plugin && plugin.actionController && plugin.actionController.onHide) {
				plugin.actionController.onHide();
			}
		},

		_getButtonsCollection: function _getButtonsCollection(glassContext) {
			var content = glassContext.appController.currentAppView.getContent();
			return content.options.collections.buttons.id;
		}

	});

	return new ButtonHideHelper();
});
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