"use client";

import { memo, useState, type FormEvent } from "react";
import {
  EMPTY_WORKSHOP_FORM_VALUES,
  WORKSHOP_HONEYPOT_FIELD,
  WORKSHOP_STARTED_AT_FIELD,
} from "../../../../lib/workshopSignup";
import WorkshopSignupView from "./WorkshopSignup.view";
import type { WorkshopSignupProps, WorkshopSignupStatus } from "./WorkshopSignup.types";

/** Figma: "Section / Workshop Signup" (24323:55538). Full field set at every width. */
function WorkshopSignupContainer({
  className,
  issuedAt,
  schedulingUrl = "",
  sourceUrl = "",
  initialStatus = "idle",
  initialLarge = false,
  initialValues = EMPTY_WORKSHOP_FORM_VALUES,
  initialFieldErrors = {},
}: WorkshopSignupProps) {
  const [status, setStatus] = useState<WorkshopSignupStatus>(initialStatus);
  const [largeOrganization, setLargeOrganization] = useState(initialLarge);
  const [fieldErrors, setFieldErrors] = useState(initialFieldErrors);

  const onSubmit = async (event: FormEvent<HTMLFormElement>) => {
    event.preventDefault();
    const data = new FormData(event.currentTarget);
    setStatus("sending");
    try {
      const response = await fetch("/api/workshop-signup", {
        method: "POST",
        headers: { "content-type": "application/json", accept: "application/json" },
        body: JSON.stringify({
          challenges: data.getAll("challenges"),
          challengeOther: data.get("challengeOther"),
          unspokenQuestion: data.get("unspokenQuestion"),
          organizationName: data.get("organizationName"),
          organizationKind: data.get("organizationKind"),
          memberCount: data.get("memberCount"),
          contactName: data.get("contactName"),
          email: data.get("email"),
          role: data.get("role"),
          sourcePage: "/workshops",
          sourceUrl,
          [WORKSHOP_HONEYPOT_FIELD]: data.get(WORKSHOP_HONEYPOT_FIELD),
          [WORKSHOP_STARTED_AT_FIELD]: Number(data.get(WORKSHOP_STARTED_AT_FIELD) ?? issuedAt),
        }),
      });
      const body = (await response.json()) as {
        status?: string;
        largeOrganization?: boolean;
        fieldErrors?: WorkshopSignupProps["initialFieldErrors"];
      };
      if (body.status === "sent") {
        setLargeOrganization(Boolean(body.largeOrganization));
        setFieldErrors({});
        setStatus("sent");
        return;
      }
      if (body.status === "invalid") {
        setFieldErrors(body.fieldErrors ?? {});
        setStatus("invalid");
        return;
      }
      if (body.status === "rate_limited" || response.status === 429) {
        setStatus("rate_limited");
        return;
      }
      setStatus("failed");
    } catch {
      setStatus("failed");
    }
  };

  return (
    <WorkshopSignupView
      className={className ?? ""}
      issuedAt={issuedAt}
      schedulingUrl={schedulingUrl}
      sourceUrl={sourceUrl}
      status={status}
      largeOrganization={largeOrganization}
      values={initialValues}
      fieldErrors={fieldErrors}
      onSubmit={onSubmit}
    />
  );
}

WorkshopSignupContainer.displayName = "WorkshopSignup";

export default memo(WorkshopSignupContainer);