"use client";

/**
 * Figma: "Section / Hero Banner" (18477:15473)
 */

import { memo, useCallback, useEffect, useMemo, useState } from "react";
import { useRouter } from "next/navigation";
import { useMessages, useTranslation } from "../../../contexts/MessagesContext";
import { fetchAuthSession } from "../../../../lib/create/api";
import { prepareFreshCreateFlowEntrySync } from "../../../(app)/create/utils/prepareFreshCreateFlowEntry";
import type { Category } from "../../cards/Rule";
import type { ChipOption } from "../../controls/MultiSelect/MultiSelect.types";
import HeroBannerView from "./HeroBanner.view";
import type { HeroBannerProps } from "./HeroBanner.types";

function chipsFromLabels(labels: string[]): ChipOption[] {
  return labels.map((label) => ({
    id: label.toLowerCase().replace(/[^a-z0-9]+/g, "-"),
    label,
    state: "unselected" as const,
  }));
}

const HeroBannerContainer = memo<HeroBannerProps>(
  ({ title, subtitle, description }) => {
    const router = useRouter();
    const messages = useMessages();
    const tHome = useTranslation("pages.home.heroBanner");
    const tHero = useTranslation("heroBanner");
    const [signedIn, setSignedIn] = useState(false);

    useEffect(() => {
      let cancelled = false;
      void fetchAuthSession()
        .then(({ user }) => {
          if (!cancelled) setSignedIn(Boolean(user));
        })
        .catch(() => {
          /* guest fallback */
        });
      return () => {
        cancelled = true;
      };
    }, []);

    const handleCreateRule = useCallback(() => {
      prepareFreshCreateFlowEntrySync({ signedIn });
      router.push("/create/informational");
    }, [router, signedIn]);

    const ruleCategories = useMemo<Category[]>(() => {
      const groups = messages.heroBanner.ruleCard.categories;
      return [
        groups.values,
        groups.communication,
        groups.membership,
        groups.decisionMaking,
        groups.conflictManagement,
      ].map((group) => ({
        name: group.name,
        chipOptions: chipsFromLabels(group.chips),
      }));
    }, [messages]);

    return (
      <HeroBannerView
        title={title ?? tHome("title")}
        subtitle={subtitle ?? tHome("subtitle")}
        description={description ?? tHome("description")}
        facilitatorCta={tHero("facilitatorCta")}
        facilitatorHref={tHero("facilitatorHref")}
        createRuleCta={tHero("createRuleCta")}
        onCreateRule={handleCreateRule}
        ruleTitle={tHero("ruleCard.title")}
        ruleDescription={tHero("ruleCard.description")}
        ruleCategories={ruleCategories}
      />
    );
  },
);

HeroBannerContainer.displayName = "HeroBanner";

export default HeroBannerContainer;