var fonts = {
    Roboto: {
        normal: 'fonts/Roboto-Regular.ttf',
        bold: 'fonts/Roboto-Medium.ttf',
        italics: 'fonts/Roboto-Italic.ttf',
        bolditalics: 'fonts/Roboto-.ttf',
    }
};

var pdfMake = require('pdfmake/build/pdfmake.js');
var pdfFonts = require('pdfmake/build/vfs_fonts.js');
pdfMake.vfs = pdfFonts.pdfMake.vfs;

function table(course) {
    return {
        widths: [50, 100, 50, 50],
        headerRows: 2,
        body: [
            [{text: `${course.code} ${course.title}`, bold: true, colSpan: 4, alignment: 'center'}, {}, {}, {}],
            ['Seccion', 'Profesor', 'Lugar', 'Horas'],
        ].concat( course.sections.map( function(section) {
            var res = [section.code];
            if (section.hasOwnProperty('professors') && !section.professors.length) {
                res = res.concat( section.professors.reduce( function (acc, professor) {
                    return  acc + '\n' + professor.first_name + ' ' + professor.last_name;
                }));
            } else {
                res = res.concat('');
            }
            if (section.hasOwnProperty('schedules') && !section.professors.length) {
                res = res.concat( section.schedules.reduce( function (acc, schedule) {
                    return acc + '\n' + schedule.building + ' ' + schedule.room;
                }));
                res = res.concat( section.schedules.reduce( function (acc, schedule) {
                    return acc + '\n' + schedule.time_start + '-' + schedule.time_end;
                }));
            } else {
                res = res.concat(['', '']);
            }
            return res;
        }))
    }
}

var docDef = {
    content: [
        {text: `Horario ${data.dept.name} ${data.alpha}`, style: 'header'},
        {text: 'sujeto a cambios', style: 'header', fontSize: 18},
    ].concat( data.courses.map( function(course) {
        return {
            style: 'tableStyle',
            alignment: 'center',
            table: table(course)
        }
    })),
    styles: {
        header: {
            fontSize: 22,
            bold: true,
            alignment: 'center',
        },
        tableStyle: {
            margin: [50,10,0,15]
        },
    }

};

console.log(docDef);
pdfMake.createPdf(docDef).download();
// window.location.replace("/dashboard");