/**
 * P1-17 hypercare “report missing / wrong data” deep-link into support ticket create.
 * Window is gated by API `/healthz` `hypercare` (HYPERCARE_MODE); dismiss is local-only.
 */

import type { SupportTicketCategory, SupportTicketPriority } from "$lib/support/types";

export const HYPERCARE_DISMISS_KEY = "descrybe.hypercare-report.dismissed.v1";

/** Stable triage tag — included in create payload + subject for admin `q=` search. */
export const HYPERCARE_TAG = "hypercare";

export const HYPERCARE_CATEGORY: SupportTicketCategory = "migration";

export const HYPERCARE_PRIORITY: SupportTicketPriority = "high";

export const HYPERCARE_SUBJECT = "Hypercare: missing or wrong data";

export const HYPERCARE_ADMIN_QUEUE_HREF =
	"/admin/support?status=open&scope=all&q=Hypercare";

export type HypercareReportPrefill = {
	category: SupportTicketCategory;
	priority: SupportTicketPriority;
	subject: string;
	tags: string;
	body: string;
};

export function hypercareReportPrefill(): HypercareReportPrefill {
	return {
		category: HYPERCARE_CATEGORY,
		priority: HYPERCARE_PRIORITY,
		subject: HYPERCARE_SUBJECT,
		tags: `${HYPERCARE_TAG},migration-data`,
		body: [
			"What is missing or wrong after the Descrybe cutover?",
			"",
			"- Area (products / feeds / exports / stores / billing / team / other):",
			"- Expected:",
			"- Actual:",
			"- Example SKU / feed / store (if any):",
			""
		].join("\n")
	};
}

/** Deep-link to `/support/new` with category + prefilled fields for ticket create reuse. */
export function hypercareReportHref(): string {
	const prefill = hypercareReportPrefill();
	const params = new URLSearchParams({
		category: prefill.category,
		priority: prefill.priority,
		subject: prefill.subject,
		tags: prefill.tags,
		body: prefill.body,
		source: "hypercare"
	});
	return `/support/new?${params.toString()}`;
}

export function isHypercareReportDismissed(): boolean {
	if (typeof window === "undefined") return false;
	try {
		return window.localStorage.getItem(HYPERCARE_DISMISS_KEY) === "1";
	} catch {
		return false;
	}
}

export function dismissHypercareReport(): void {
	if (typeof window === "undefined") return;
	try {
		window.localStorage.setItem(HYPERCARE_DISMISS_KEY, "1");
	} catch {
		/* ignore quota / private mode */
	}
}

export function clearHypercareReportDismiss(): void {
	if (typeof window === "undefined") return;
	try {
		window.localStorage.removeItem(HYPERCARE_DISMISS_KEY);
	} catch {
		/* ignore */
	}
}

/** Parse allowed support category from a query string value. */
export function parseSupportCategoryParam(
	raw: string | null | undefined,
	allowed: readonly SupportTicketCategory[]
): SupportTicketCategory | null {
	const value = (raw ?? "").trim().toLowerCase();
	if (!value) return null;
	return (allowed as readonly string[]).includes(value)
		? (value as SupportTicketCategory)
		: null;
}

export function parseSupportPriorityParam(
	raw: string | null | undefined,
	allowed: readonly SupportTicketPriority[]
): SupportTicketPriority | null {
	const value = (raw ?? "").trim().toLowerCase();
	if (!value) return null;
	return (allowed as readonly string[]).includes(value)
		? (value as SupportTicketPriority)
		: null;
}