import { ActionsConfig } from './IActionsService';
import { ActionItem } from './IActionsService';
import { ActionsChangedEvent } from './IActionsService';
import { SecondaryActionsOpenEvent } from './IActionsService';
import { IActionsService } from './IActionsService';
import { IActionsProvider } from './IActionsService';


class ActionsService implements IActionsService {
    private _config: ActionsConfig;
    private _rootScope: ng.IRootScopeService;

    public constructor(
        config: ActionsConfig,
        $rootScope: ng.IRootScopeService
    ) {
        this._config = config;
        this._rootScope = $rootScope;
    }

    public get config(): ActionsConfig {
        return this._config;
    }

    public get primaryGlobalActions(): ActionItem[] {
        return this._config.primaryGlobalActions;
    }

    public set primaryGlobalActions(value: ActionItem[]) {
        this._config.primaryGlobalActions = value || [];
        this.sendChangeEvent();
    }

    public get secondaryGlobalActions(): ActionItem[] {
        return this._config.secondaryGlobalActions;
    }

    public set secondaryGlobalActions(value: ActionItem[]) {
        this._config.secondaryGlobalActions = value || [];
        this.sendChangeEvent();
    }

    public get primaryLocalActions(): ActionItem[] {
        return this._config.primaryLocalActions;
    }

    public set primaryLocalActions(value: ActionItem[]) {
        this._config.primaryLocalActions = value || [];
        this.sendChangeEvent();
    }

    public get secondaryLocalActions(): ActionItem[] {
        return this._config.secondaryLocalActions;
    }

    public set secondaryLocalActions(value: ActionItem[]) {
        this._config.secondaryLocalActions = value || [];
        this.sendChangeEvent();
    }

    public show(primaryActions?: ActionItem[], secondaryActions?: ActionItem[]): void {
        this._config.primaryLocalActions = primaryActions || [];
        this._config.secondaryLocalActions = secondaryActions || [];
        this.sendChangeEvent();
    }

    public hide(): void {
        this._config.primaryLocalActions = [];
        this._config.secondaryLocalActions = [];
        this.sendChangeEvent();
    }

    public updateCount(action: string, count: number) {
        if (action == null || !_.isNumber(count)) return;

        _.each(this._config.primaryGlobalActions, (a) => {
            if (a.name == action)
                a.count = count;
        });
        _.each(this._config.primaryLocalActions, (a) => {
            if (a.name == action)
                a.count = count;
        });

        this.sendChangeEvent();
    }

    public clearCounts(): void {
        _.each(this._config.primaryGlobalActions, (a) => {
            a.count = null;
        });
        _.each(this._config.primaryLocalActions, (a) => {
            a.count = null;
        });

        this.sendChangeEvent();
    }

    private sendChangeEvent() {
        this._rootScope.$emit(ActionsChangedEvent, this._config);
    }

    public openMenuEvent(): void {
        this._rootScope.$emit(SecondaryActionsOpenEvent);
    }
}

class ActionsProvider implements IActionsProvider {
    private _config: ActionsConfig = new ActionsConfig();
    private _service: ActionsService;

    public get config(): ActionsConfig {
        return this._config;
    }

    public set config(value: ActionsConfig) {
        this._config = value || new ActionsConfig();
    }

    public get primaryGlobalActions(): ActionItem[] {
        return this._config.primaryGlobalActions;
    }

    public set primaryGlobalActions(value: ActionItem[]) {
        this._config.primaryGlobalActions = value || [];
    }

    public get secondaryGlobalActions(): ActionItem[] {
        return this._config.secondaryGlobalActions;
    }

    public set secondaryGlobalActions(value: ActionItem[]) {
        this._config.secondaryGlobalActions = value || [];
    }

    public get primaryLocalActions(): ActionItem[] {
        return this._config.primaryLocalActions;
    }

    public set primaryLocalActions(value: ActionItem[]) {
        this._config.primaryLocalActions = value || [];
    }

    public get secondaryLocalActions(): ActionItem[] {
        return this._config.secondaryLocalActions;
    }

    public set secondaryLocalActions(value: ActionItem[]) {
        this._config.secondaryLocalActions = value || [];
    }

    public $get($rootScope) {
        "ngInject";

        if (this._service == null)
            this._service = new ActionsService(this._config, $rootScope);
        
        return this._service;
    }
}

angular
    .module('pipActions')
    .provider('pipActions', ActionsProvider);