package google

// Selectors is the single source of truth for Google SERP CSS selectors.
// Both the browser parser (search.go, rod) and HTML parser (search_raw.go,
// goquery) reference these. When Google changes their DOM, edit here only.
var Selectors = struct {
	Captcha        string
	CaptchaPage    string
	CaptchaMarkers []string
	SoftBlock      string
	NoResults      string
	ResultStats    string
	CookieBtn      string
	Results        string
	ResultsBroad   string
	Ad             string
	Link           string
	Title          string
	DescPrimary    string
	DescFallback   string
	DescAny        string
	AnswerBox      string
	AnswerItem     string

	// Image search.
	ImageResults      string
	ImageLink         string
	ImageLinkFallback string
	ImageTitle        []string
}{
	Captcha:     "[data-sitekey]",
	CaptchaPage: "form#captcha-form, form[action*='/sorry/'], body[onload*='captcha'], [data-sitekey], .g-recaptcha, script[src*='recaptcha']",
	// CaptchaMarkers is the page-text fallback for captcha variants whose
	// markup doesn't match CaptchaPage.
	CaptchaMarkers: []string{
		"detected unusual traffic",
		"unusual traffic from your computer network",
		"before you continue",
		"not a robot",
		"solve the captcha",
	},
	SoftBlock:   "noscript",
	NoResults:   "#botstuff, #topstuff, .mnr-c",
	ResultStats: "div#result-stats",
	CookieBtn:   "div[role='dialog'][aria-modal] button",
	// Results targets the canonical organic result block. div.tF2Cxc is the
	// stable per-result wrapper; the :not(:has(div.tF2Cxc)) guard keeps only the
	// innermost block so nested knowledge-panel cards (which reuse tF2Cxc) don't
	// double-count or concatenate sibling titles. ResultsBroad is the legacy
	// attribute selector, kept as a fallback for SERP layouts without tF2Cxc.
	Results:      "div.tF2Cxc:not(:has(div.tF2Cxc))",
	ResultsBroad: "div[data-hveid][data-ved]",
	Ad:           "div[data-text-ad], [data-text-ad]",
	Link:         "a",
	Title:        "h3",
	DescPrimary:  "div[data-sncf='1'] div",
	DescFallback: "div.VwiC3b",
	DescAny:      "div",
	AnswerBox:    "div[data-hveid][data-ulkwtsb] div[data-q]",
	AnswerItem:   "a",

	// ImageResults selects each image cell in the image SERP grid.
	ImageResults: "div[data-hveid][data-ved][jsaction]",
	// ImageLink: the canonical href of an image cell. The :not([ping])
	// variant excludes Google's click-tracking hops; the imgres fallback is
	// only present after the cell has been right-clicked to materialize.
	ImageLink:         "a:not([ping])",
	ImageLinkFallback: "a[href*='imgres']",
	// ImageTitle selectors are tried in order to recover a human-readable title.
	ImageTitle: []string{"h3", "a"},
}

func searchResultSelectors() []string {
	return []string{Selectors.Results, Selectors.ResultsBroad}
}