#!/usr/bin/env node
"use strict";

const assert = require("assert");
const { analyzeOsmPreflight, parseOsm } = require("./lib/area-diagnostics");

function osm({ bounds = '<bounds minlon="0" minlat="0" maxlon="1" maxlat="1"/>', nodes, ways, relations = "" }) {
  return `<osm>${bounds}${nodes}${ways}${relations}</osm>`;
}

function nodes(ids) {
  return ids.map((id) => `<node id="${id}" lat="0" lon="0"/>`).join("");
}

function way(id, refs, tags = '<tag k="building" v="yes"/>') {
  return `<way id="${id}">${refs.map((ref) => `<nd ref="${ref}"/>`).join("")}${tags}</way>`;
}

function preflight(input) {
  return analyzeOsmPreflight(parseOsm(input));
}

assert.equal(preflight(osm({ nodes: nodes([1, 2, 3]), ways: way(10, [1, 2, 3, 1]) })).errors.length, 0);
assert.match(preflight(osm({ bounds: "", nodes: nodes([1, 2, 3]), ways: way(10, [1, 2, 3, 1]) })).errors.join("\n"), /bounds/);
assert.match(preflight(osm({ bounds: '<bounds minlon="1" minlat="0" maxlon="0" maxlat="1"/>', nodes: nodes([1, 2, 3]), ways: way(10, [1, 2, 3, 1]) })).errors.join("\n"), /bounds/);
assert.match(preflight(osm({ nodes: nodes([1, 2, 3]), ways: way(10, [1, 2, 9, 1]) })).errors.join("\n"), /missing node/);
assert.match(preflight(osm({ nodes: nodes([1, 2, 3]), ways: way(10, [1, 2, 3, 2]) })).errors.join("\n"), /not closed/);
assert.match(preflight(osm({ nodes: nodes([1, 2, 3]), ways: way(10, [1, 2, 3, 1], '<tag k="building" v="yes"/><tag k="height" v="many"/>') })).errors.join("\n"), /height/);
assert.equal(preflight(osm({ nodes: nodes([1, 2, 3]), ways: '<way id="10" action="delete"><tag k="building" v="yes"/></way>' })).errors.length, 0);

const brokenRelation = '<relation id="20"><member type="way" ref="99" role="outer"/><tag k="type" v="multipolygon"/><tag k="building" v="yes"/></relation>';
assert.match(preflight(osm({ nodes: nodes([1, 2, 3]), ways: "", relations: brokenRelation })).errors.join("\n"), /Building relation 20/);

console.log("OSM preflight tests passed.");