import ngModule from '../module';

class Controller {
    constructor($element, $scope, $stateParams, $http) {
        this.$element = $element;
        this.$stateParams = $stateParams;
        this.$scope = $scope;
        this.$http = $http;
        this.stMonthDate = new Date();
        this.ndMonthDate = new Date();
        this.ndMonthDate.setMonth(this.ndMonthDate.getMonth() + 1);
        this.events = [];
    }

    $postLink() {
        this.stMonth = this.$scope.stMonth;
        this.ndMonth = this.$scope.ndMonth;
    }

    // Disabled until implementation
    // of holidays by node
    /*     get zone() {
        return this._zone;
    }

    set zone(value) {
        this._zone = value;

        if (!value) return;

        let query = '/agency/api/LabourHolidays/getByWarehouse';
        this.$http.get(query, {params: {warehouseFk: value.warehouseFk}}).then(res => {
            if (!res.data) return;
            const events = [];
            res.data.forEach(holiday => {
                events.push({
                    date: holiday.dated,
                    className: 'red',
                    title: holiday.description || holiday.name,
                    isRemovable: false
                });
            });

            this.events = this.events.concat(events);
        });
    } */

    get data() {
        return this._data;
    }

    set data(value) {
        this._data = value;

        if (!value) return;

        const events = [];
        value.forEach(event => {
            let date = new Date(event.delivered);
            date.setHours(0, 0, 0, 0);

            events.push({
                date: date,
                className: 'green-circle',
                title: 'Has delivery',
                isRemovable: true
            });
        });

        this.events = this.events.concat(events);
    }

    onSelection(calendar, values) {
        let totalEvents = 0;
        values.forEach(day => {
            const exists = this.events.findIndex(event => {
                return event.date >= day.date && event.date <= day.date
                    && event.isRemovable;
            });

            if (exists > -1) totalEvents++;
        });

        if (totalEvents > (values.length / 2))
            this.removeEvents(values);
        else
            this.addEvents(values);
    }

    addEvents(days) {
        days.forEach(day => {
            const event = this.events.find(event => {
                return event.date >= day.date && event.date <= day.date;
            });

            if (event)
                return false;

            this.$scope.model.insert({
                zoneFk: this.zone.id,
                delivered: day.date
            });

            this.stMonth.addEvent(day.date, 'green-circle', 'Has delivery', true);
            this.stMonth.repaint();
            this.ndMonth.addEvent(day.date, 'green-circle', 'Has delivery', true);
            this.ndMonth.repaint();
        });
        this.$scope.model.save();
    }

    removeEvents(days) {
        let dates = [];
        days.forEach(day => {
            const event = this.events.find(event => {
                return event.date >= day.date && event.date <= day.date;
            });

            if (event && !event.isRemovable)
                return false;

            dates.push(day.date);

            this.stMonth.removeEvent(day.date);
            this.stMonth.repaint();
            this.ndMonth.removeEvent(day.date);
            this.ndMonth.repaint();
        });

        if (dates.length == 0) return;
        const params = {zoneFk: this.zone.id, dates};
        this.$http.post('/agency/api/zoneCalendars/removeByDate', params);
    }

    onMoveNext(calendar) {
        calendar.moveNext(2);
    }

    onMovePrevious(calendar) {
        calendar.movePrevious(2);
    }
}

Controller.$inject = ['$element', '$scope', '$stateParams', '$http'];

ngModule.component('vnZoneCalendar', {
    template: require('./index.html'),
    controller: Controller,
    bindings: {
        zone: '<'
    }
});