const assert = require("assert");
const fs = require("fs");
const path = require("path");

const stylesheet = fs.readFileSync(
	path.join(__dirname, "..", "scss", "westgate", "_wiki-prose.scss"),
	"utf8"
);

const mobileMediaMatch = stylesheet.match(/@media\s*\(max-width:\s*767\.98px\)\s*\{[\s\S]*\n\}/);
assert(mobileMediaMatch, "Expected a mobile-width table rendering media query");

const mobileStyles = mobileMediaMatch[0];
const infoboxWidth = "calc(100% - var(--wiki-infobox-reader-width) - var(--wiki-infobox-reader-gutter))";
const infoboxWidthPattern = infoboxWidth.replace(/[()]/g, "\\$&").replace(/\s+/g, "\\s*");

[
	".westgate-wiki .wiki-article-prose .wg-mobile-table-scroll",
	".westgate-wiki .wiki-article-prose .wg-mobile-table-scroll > table",
	".westgate-wiki .wiki-article-prose .wg-mobile-table-scroll > table.wiki-table-layout-fixed[style*=\"width:100%\"]",
].forEach(selector => {
	assert(
		mobileStyles.includes(selector),
		`${selector} should receive mobile table handling without changing article HTML`
	);
});

[
	"overflow-x: auto",
	"-webkit-overflow-scrolling: touch",
	"max-inline-size: 100%",
	"max-inline-size: none",
	"min-inline-size: var(--wg-mobile-table-min-width, max-content)",
	"min-width: var(--wg-mobile-table-min-width, max-content)",
].forEach(declaration => {
	assert(
		mobileStyles.includes(declaration),
		`Mobile wiki tables should include ${declaration}`
	);
});

[
	"attr(data-label)",
	"wiki-mobile-table",
	".wiki-article-prose tr {\n\t\tdisplay: block",
	".wiki-article-prose td::before",
	".wiki-article-prose th::before",
].forEach(fragment => {
	assert(
	!mobileStyles.includes(fragment),
		`Mobile table rendering must not use stacked/card conversion: ${fragment}`
	);
});

assert(
	!mobileStyles.includes(".westgate-wiki .wiki-page-content.wiki-article-prose > .card-body {\n\t\tmax-inline-size: 100%;\n\t\toverflow-x: auto"),
	"Mobile table scrolling should be scoped to table wrappers, not the whole article body"
);

assert.match(
	stylesheet,
	new RegExp(
		"@media\\s*\\(min-width:\\s*768px\\)\\s*\\{[\\s\\S]*" +
			"\\.westgate-wiki\\s+\\.wiki-article-prose\\s+\\.wiki-infobox\\s*~\\s*\\.wg-mobile-table-scroll\\s*\\{[^}]*" +
			"width:\\s*" + infoboxWidthPattern + "[^}]*" +
			"max-width:\\s*" + infoboxWidthPattern,
		"s"
	),
	"Desktop article tables wrapped by the theme's mobile scroll helper should still shrink beside floated infoboxes"
);

assert.match(
	stylesheet,
	/@media\s*\(min-width:\s*768px\)\s*\{[\s\S]*\.westgate-wiki\s+\.wiki-article-prose\s+\.wiki-infobox\s*~\s*\.wg-mobile-table-scroll\s*>\s*table\[style\*="width:100%"\],\s*\.westgate-wiki\s+\.wiki-article-prose\s+\.wiki-infobox\s*~\s*\.wg-mobile-table-scroll\s*>\s*table\[style\*="width: 100%"\]\s*\{[^}]*width:\s*100%\s*!important[^}]*max-width:\s*100%/s,
	"Fluid-width tables inside the theme's scroll wrapper should fill the shrunken infobox-safe wrapper"
);