class PDF1 {

	"use strict";

	constructor() {
		/** Coordinate container that occupies the whole page **/
		this.A4 = new Div(
			new Vector(0, 0),
			new Vector(595, 842)
		);

		this.containerSize = 86;
		
		this.body = {
			"font": "times",
			"type": "normal",
			"size": 10
		};

		this.title = {
			"font": "times",
			"type": "bold",
			"size": 11
		};

		this.subtitle = {
			"font": "times",
			"type": "bold",
			"size": 10
		};

		this.line = () => new Line(
			new Vector(Pos.beg_margin, Pos.end),
			new Vector(Pos.end_margin + 3, Pos.end)
		);
	}

	_getdata(data, op, n) {
		switch (op.toLowerCase()) {
			case "fi":
				op = "fuerza_izquierda";break;
			case "fd":
				op = "fuerza_derecha";break;
			case "ri":
				op = "resistencia_izquierda";break;
			case "rd":
				op = "resistencia_derecha";break;
			case "oi":
				op = "ovalidad_izquierda";break;
			case "od":
				op = "ovalidad_derecha";break;
			case "pe":
				op = "peso_estatico";break;
			case "pd":
				op = "peso_dinamico";break;
		}
		return data[op + "_" + n];
	}

	pdf(data) {
		/**
		 * The lambdas serve as "apply" functions
		 * Each function processes an element, executed in order of appeareance in HTML.
		 * They all return a coordinate "pointer" to draw.
		 */
		const pdfthis = this;
		const functionMapping = [
			(pointer, data) => pdfthis.mahaToPDF(pointer, data['header']),
			(pointer, data) => pdfthis.headerToPDF(pointer, data['header']),
			(pointer, data) => pdfthis.alineadorToPDF(pointer, data['alineador']),
			(pointer, data) => pdfthis.suspensionToPDF(pointer, data['suspension']),
			(pointer, data) => pdfthis.frenosToPDF(pointer, data),
			(pointer, data) => pdfthis.gaseshumosToPDF(pointer, data['gaseshumos']),
			(pointer, data) => pdfthis.footerToPDF(pointer, data)
		];

		/**
		 * We pass the pointer to each function, which then modify it and passes it to the next,
		 * We start with (0%,0%)
		 */
		functionMapping.reduce(
			(pointer, treeMaker) => treeMaker(pointer, data),
			pdfthis.A4.position
		);

		return this.A4;
	}

	mahaToPDF(pointer, data) {

		const maha = this.A4.addRelativeChild(new Div(pointer, new Vector(Pos.end, 6)));

		maha.addRelativeChildren([
			
			this.line(),

			new Text(
				["MAHA","EUROSYSTEM","Bitte hier Ihre","Anschrift eintragen"],
				new Vector(Pos.middle, Pos.quarter),
				this.body,
				"center"
			),

			new Text(
				["EUROSYSTEM","V 3.18.009",data['fecha']],
				new Vector(Pos.end_margin - 7, Pos.third + 5),
				this.body,
				"right"
			),

			new Image(
				document.getElementById("maha"),
				new Vector(Pos.end - 12, Pos.beg_margin),
				new Vector(10, Pos.end_margin - 5)
			)
		]);
		
		return pointer.addxy(0,6);
	}

	headerToPDF(pointer, data) {

		const header = this.A4.addRelativeChild(new Div(pointer, new Vector(Pos.end, 10)));		

		const body_black = {
			"font" : "times",
			"type" : "bold",
			"size" : 9
		};

		header.addRelativeChildren([

			this.line(),

			new Text(
				[
					"Nombre/Empresa:",
					"Calle:",
					"CP:Ciudad:",
					//"Teléfono:",
					`Fecha de Prueba:\t${data['fecha']}`,
					`Hora de Prueba:\t${data['hora']}`,
					`Ingeniero:\t${data['ingeniero']}`,
					"Estado de Carga:\tVacio"

				],
				new Vector(Pos.beg_margin + 5, Pos.beg_margin + 10),
				body_black
			),

			new Text(
				[
					`Matrícula:\t${data['patente']}`,
					"Kilometraje:",
					"Matriculación:",
					"Fabricante:",
					"Tipo de Vehic.:",
					"Nº motor:",
					"Cantidad de Ejes:\t0"
				],
				new Vector(Pos.two_thirds, Pos.beg_margin + 10),
				body_black
			)
		]);

		return pointer.addxy(0, 10);
	}

	alineadorToPDF(pointer, data) {

		const alineador = this.A4.addRelativeChild(new Div(pointer, new Vector(Pos.end, 6)));

		alineador.addRelativeChildren([

			this.line(),

			new Text(
				"Alineador al Paso",
				new Vector(Pos.beg_margin + 5, Pos.third),
				this.title
			),

			new Text(
				`Eje delantero\t${data['eje_delantero']} m/km\t\tEje trasero\t--- m/km`,
				new Vector(Pos.beg_margin + 5, Pos.two_thirds),
				this.body
			)
		]);

		return pointer.addxy(0, 6);
	}

	suspensionToPDF(pointer, data) {

		const suspension = this.A4.addRelativeChild(new Div(pointer, new Vector(Pos.end, 8)));

		const tiny_body = {
			"font" : "times",
			"type" : "normal",
			"size" : 9
		}

		suspension.addRelativeChildren([

			this.line(),

			new Text(
				"Bco. de Suspensiones",
				new Vector(Pos.beg_margin + 5, Pos.third),
				this.title
			),

			new Text(
				["Eje delantero", "Eje trasero"],
				new Vector(Pos.beg_margin + 5, Pos.two_thirds),
				this.subtitle
			),

			new Text(
				["Izq.", "--- Mm", "--- Mm"],
				new Vector(30, Pos.middle + 5),
				tiny_body,
				"center"
			),

			new Text(
				["Der.", "--- Mm", "--- Mm"],
				new Vector(45, Pos.middle + 5),
				tiny_body,
				"center"
			),
			
			new Text(
				["Izq.", `${data['rendimiento_izquierdo_1']} %`, `${data['rendimiento_izquierdo_2']} %`],
				new Vector(60, Pos.middle + 5),
				tiny_body,
				"center"
			),

			new Text(
				["Der.", `${data['rendimiento_derecho_1']} %`, `${data['rendimiento_derecho_2']} %`],
				new Vector(75, Pos.middle + 5),
				tiny_body,
				"center"
			),

			new Text(
				["Peso", `${data['peso_estatico_1']} kg`, `${data['peso_estatico_2']} kg`],
				new Vector(90, Pos.middle + 5),
				tiny_body,
				"center"
			)
		]);

		return pointer.addxy(0, 8);
	}

	frenosToPDF(pointer, data) {

		const frenos = this.A4.addRelativeChild(new Div(pointer, new Vector(Pos.end, 30)));
		frenos.addRelativeChild(this.line());

		const pruebas = frenos.addRelativeChild(new Div(new Vector(Pos.beg, Pos.beg), new Vector(Pos.end, Pos.middle + 10)));
		const evaluacion = frenos.addRelativeChild(new Div(new Vector(Pos.beg, Pos.middle + 10), new Vector(Pos.end, Pos.middle - 10)));

		const tiny_body = {
			"font": "times",
			"type": "normal",
			"size": 9
		}

		pruebas.addRelativeChildren([

			new Text(
				"Frenómetro",
				new Vector(Pos.beg_margin + 5, Pos.beg_margin + 5),
				this.title
			),

			new Text(
				"Prueba de Frenado",
				new Vector(Pos.beg_margin + 5, Pos.beg_margin + 15),
				this.subtitle
			),

			new Line(
				new Vector(Pos.beg_margin + 5, Pos.quarter + 18),
				new Vector(Pos.end_margin - 5, Pos.quarter + 18)
			),

			new Text(
				["","", "1.FS", "2.FS", "3.FS", "4.FS", `${data['trasero']['eje']}.FE`],
				new Vector(Pos.beg_margin + 5, Pos.quarter + 12),
				tiny_body
			),

			new Text(
				"Resist.Rodadura [kN]",
				new Vector(21, Pos.quarter + 5),
				tiny_body
			),

			new Text(
				"Fuerza de Frenado [kN]",
				new Vector(40, Pos.quarter + 5),
				tiny_body
			),

			new Text(
				"Ovalidad [kN]",
				new Vector(60.5, Pos.quarter + 5),
				tiny_body
			),

			new Text(
				"Peso [kg]",
				new Vector(79, Pos.quarter + 5),
				tiny_body
			),
		]);

		const freno = (title, data, access, position) => {

			const f = data['frenos'];
			const t = data['trasero'][access] === undefined ? "---" : data['trasero'][access];

			return new Text(
				[title, "", f[access + "_1"], f[access + "_2"], f[access + "_3"], f[access + "_4"], t],
				position,
				tiny_body,
				"center"
			)
		}

		const eje = (data, position) => {
			
			const sum = (data, access1, access2) => {
				const a = parseFloat(data[access1]);
				const b = parseFloat(data[access2]);

				let sum = 0.0;
				if (isNaN(a)) return data[access1];
				sum += a;
				if (isNaN(b)) return sum.toFixed(2);
				sum += b;

				return sum.toFixed(2);
			}

			const f = data['frenos'];
			const t = data['trasero'];

			return new Text(
				[
					"Eje", "",
					`${sum(f,"fuerza_izquierda_1","fuerza_derecha_1")}`,
					`${sum(f,"fuerza_izquierda_2","fuerza_derecha_2")}`,
					`${sum(f,"fuerza_izquierda_3","fuerza_derecha_3")}`,
					`${sum(f,"fuerza_izquierda_4","fuerza_derecha_4")}`,
					`${sum(t,"fuerza_izquierda","fuerza_derecha")}`,
				],
				position,
				tiny_body,
				"center"
			)
		}

		const fuerzas = eje(data, new Vector(53, Pos.quarter + 12));

		const peso = freno("Total", data, "peso_estatico", new Vector(82, Pos.quarter + 12));

		pruebas.addRelativeChildren([
			
			freno("Izq.", data, "resistencia_izquierda", new Vector(24, Pos.quarter + 12)),

			freno("Der.", data, "resistencia_derecha", new Vector(30, Pos.quarter + 12)),

			freno("Izq.", data, "fuerza_izquierda", new Vector(42, Pos.quarter + 12)),

			freno("Der.", data, "fuerza_derecha", new Vector(48, Pos.quarter + 12)),
			
			fuerzas,
			
			freno("Izq.", data, "ovalidad_izquierda", new Vector(62, Pos.quarter + 12)),
			
			freno("Der.", data, "ovalidad_derecha", new Vector(68, Pos.quarter + 12)),
			
			peso,
		]);

		const sumtext = (text) => {
			const a = parseFloat(text[2]);
			const b = parseFloat(text[3]);
			const c = parseFloat(text[4]);
			const d = parseFloat(text[5]);

			let sum = 0.0;

			if (isNaN(a)) return text[2];
			sum += a;
			if (isNaN(b)) return sum.toFixed(2);
			sum += b;
			if (isNaN(c)) return sum.toFixed(2);
			sum += c;
			if (isNaN(d)) return sum.toFixed(2);
			sum += d;

			return sum.toFixed(2);
		}

		evaluacion.addRelativeChildren([

			new Text(
				"Evaluación Final",
				new Vector(Pos.beg_margin + 5, Pos.beg_margin),
				this.subtitle
			),

			new Text(
				["Freno de Servicio (FS)", "Freno de Estacionamiento (FE)"],
				new Vector(Pos.beg_margin + 5, Pos.quarter + 10),
				this.body
			),

			new Text(
				[
					"Fuerza de frenado máx. [kN]",
					`${sumtext(fuerzas.text)}`,
					fuerzas.text[6]
				],
				new Vector(Pos.middle, Pos.quarter),
				this.body,
				"center"
			),

			new Text(
				`Peso total:\t${sumtext(peso.text)} kg`,
				new Vector(Pos.beg_margin + 5, Pos.three_quarters),
				this.body
			)
		]);

		return pointer.addxy(0, 30);
	}

	gaseshumosToPDF(pointer, data) {

		const gases = this.A4.addRelativeChild(new Div(pointer, new Vector(Pos.end, 6)));

		const tiny_body = {
			"font": "times",
			"type": "normal",
			"size": 9
		}

		gases.addRelativeChildren([

			this.line(),

			new Text(
				"Gases",
				new Vector(Pos.beg_margin + 5, Pos.third),
				this.title
			),

			new Text(
				`k medio\t${data['opacidad_logaritmica']} l/m\tCO:\t${data['co']}\tHC:\t${data['hc']}`,
				new Vector(Pos.beg_margin + 5, Pos.two_thirds),
				tiny_body
			),
		]);

		return pointer.addxy(0,6);
	}

	footerToPDF(pointer, data) {

		const footer = this.A4.addRelativeChild(new Div(pointer, new Vector(Pos.end, 30)));

		footer.addRelativeChildren([
			
			this.line(),

			new Text(
				"Inspector:",
				new Vector(Pos.quarter - 5, Pos.end_margin),
				this.subtitle,
				"center"
			),

			new Text(
				"Firma:.........................",
				new Vector(Pos.three_quarters, Pos.end_margin),
				this.subtitle,
				"center"
			)
		]);

		return pointer.addxy(0,30);
	}
}