const well_ring = require('./drawers/well-ring')
const well_head = require('./drawers/well-head')
const corel_layer = require('./drawers/corel-layer')
const BBox = require('../libs/bbox')

function get_wells_bbox(data) {
	let bbox = BBox.from_array(data.map((w) => ({ x: w.whx, y: w.why })));
	
	if (bbox.w() == 0 || bbox.h() == 0) {
		bbox.r += 1000;
		bbox.b += 1000;
	}

	return bbox;
}


function build_pt_layer(wells, settings, style) {
	function t2r(tons) {
		// tonns/mm2 = tonns/cm2 / 100. S(mm)=Pi*r*r=tons/tons_in_cm2*100. r = sqrt(tons/tons_in_cm2*100 / PI)
		return Math.sqrt(((tons / settings.tons_in_cm2) * 100) / Math.PI);
	}

	let { ppu } = settings;

	let svg = corel_layer("WWPT");
	// Круги
	svg.append(wells.map((x) => well_ring.pt(x.wopt, x.wwpt, t2r(x.wlpt), ppu, style).move(x.lx, x.ly)));

	// Знак скважины
	svg.append(
		wells.map((x) => well_head[t2r(x.wlpt) > 1.6 ? "prod" : "gray"](ppu, style).move(x.lx, x.ly))
	);

	// Имя скважины
	svg.append(wells.map((x) => well_head.name(x.name, ppu, style).move(x.lx, x.ly)));
	// Обводненность
	svg.append(wells.map((x) => well_head.wlp(x.wlf, ppu, style).move(x.lx, x.ly)));

	return { svg };
}

function build_it_layer(wells, settings, style) {
	function t2r(tons) {
		// tonns/mm2 = tonns/cm2 / 100. S(mm)=Pi*r*r=tons/tons_in_cm2*100. r = sqrt(tons/tons_in_cm2*100 / PI)
		return Math.sqrt(((tons / settings.tons_in_cm2) * 100) / Math.PI);
	}

	let { ppu } = settings;

	let svg = corel_layer("WWIT");

	// Круги
	svg.append(wells.map((x) => well_ring.it(t2r(x.wwit), ppu, style).move(x.lx, x.ly)));

	// Знак скважины
	svg.append(
		wells.map((x) => well_head[t2r(x.wwit) > 1.6 ? "inj" : "gray"](ppu, style).move(x.lx, x.ly))
	);

	// Имя скважины
	svg.append(wells.map((x) => well_head.name(x.name, ppu, style).move(x.lx, x.ly)));

	return { svg };
}

module.exports = {
	get_wells_bbox,
	build_pt_layer,
	build_it_layer,
};

module.exports.default = module.exports;