import { LEAK_IDENTIFIER, LEAK_INLINE, LEAK_PATH } from "#configuration/strings/coverage.strings";
import type { LeakReason, LeakSet, PagePayload } from "#types/leak.types";
import type { Finding } from "#types/derivation.types";
import { leaksIn } from "#core/matchers/leak.matcher";

const REASON_LEADS: Readonly<Record<LeakReason, string>> = {
    identifier: LEAK_IDENTIFIER,
    "inline-code": LEAK_INLINE,
    path: LEAK_PATH,
};

export const validatePayload = function validatePayload(
    payload: PagePayload,
    leaks: LeakSet,
    roots: ReadonlySet<string>,
): Finding[] {
    const tokens = new Set(leaks.tokens);
    const findings: Finding[] = [];
    const seen = new Set<string>();
    for (const text of payload.strings) {
        for (const match of leaksIn(text, tokens, roots)) {
            const key = match.reason + match.token;
            if (!seen.has(key)) {
                seen.add(key);
                findings.push({ file: payload.file, message: `${REASON_LEADS[match.reason]}${match.token}` });
            }
        }
    }
    return findings;
};