/**
 * Shared workshop-signup constants and routing. Safe for the form and the server.
 * Member count never maps to a price.
 */

export const WORKSHOP_SIGNUP_ANCHOR_ID = "workshop-signup";

export const WORKSHOP_HONEYPOT_FIELD = "company_website";

export const WORKSHOP_STARTED_AT_FIELD = "startedAt";

/** Ignore submits that arrive faster than a person can fill the form. */
export const WORKSHOP_MIN_FILL_MS = 4_000;

/** Proposed retention. Inquiries that do not lead to a workshop are deleted after this. */
export const WORKSHOP_INQUIRY_RETENTION_MS = 365 * 24 * 60 * 60 * 1000;

export const WORKSHOP_CHALLENGE_IDS = [
  "members-rarely-vote",
  "preparing-the-board",
  "board-and-management",
  "committees-unsure",
  "disagreement",
  "big-change",
  "new-directors",
  "co-op-principles",
  "something-else",
] as const;

export type WorkshopChallengeId = (typeof WORKSHOP_CHALLENGE_IDS)[number];

export const WORKSHOP_ORGANIZATION_KINDS = [
  "credit-union",
  "mutual",
  "consumer-coop",
  "utility-coop",
  "agricultural-coop",
  "housing-coop",
  "worker-coop",
  "league",
  "volunteer",
  "something-else",
] as const;

export type WorkshopOrganizationKind = (typeof WORKSHOP_ORGANIZATION_KINDS)[number];

export const WORKSHOP_MEMBER_COUNTS = [
  "under-1000",
  "1000-10000",
  "10000-100000",
  "100000-1000000",
  "over-1000000",
  "not-sure",
] as const;

export type WorkshopMemberCount = (typeof WORKSHOP_MEMBER_COUNTS)[number];

export const WORKSHOP_ROLES = [
  "board",
  "executive",
  "staff",
  "member",
  "something-else",
] as const;

export type WorkshopRole = (typeof WORKSHOP_ROLES)[number];

const LARGE_MEMBER_COUNTS = new Set<WorkshopMemberCount>([
  "1000-10000",
  "10000-100000",
  "100000-1000000",
  "over-1000000",
]);

export type WorkshopFieldErrorCode = "required" | "invalid" | "tooLong";

export type WorkshopFieldErrors = Partial<
  Record<
    | "challenges"
    | "challengeOther"
    | "unspokenQuestion"
    | "organizationName"
    | "organizationKind"
    | "memberCount"
    | "contactName"
    | "email"
    | "role",
    WorkshopFieldErrorCode
  >
>;

export interface WorkshopFormValues {
  challenges: string[];
  challengeOther: string;
  unspokenQuestion: string;
  organizationName: string;
  organizationKind: string;
  memberCount: string;
  contactName: string;
  email: string;
  role: string;
  sourcePage: string;
  sourceUrl: string;
}

export const EMPTY_WORKSHOP_FORM_VALUES: WorkshopFormValues = {
  challenges: [],
  challengeOther: "",
  unspokenQuestion: "",
  organizationName: "",
  organizationKind: "",
  memberCount: "",
  contactName: "",
  email: "",
  role: "",
  sourcePage: "/workshops",
  sourceUrl: "",
};

export interface WorkshopRouteSuggestion {
  /** True when the organization has 1,000 members or more. Never a price. */
  largeOrganization: boolean;
  /** Inbox note. Names the next conversation, never a fee. */
  note: string;
}

export function isLargeMemberCount(memberCount: string): boolean {
  return LARGE_MEMBER_COUNTS.has(memberCount as WorkshopMemberCount);
}

/**
 * Inbox routing. Volunteer-run groups go to the kit. Organizations of 1,000
 * members or more are flagged large and go to the facilitator lead. Leagues
 * go to a partnership call. Everyone else gets the one-page brief.
 */
export function suggestWorkshopRoute(input: {
  organizationKind: string;
  memberCount: string;
}): WorkshopRouteSuggestion {
  if (input.organizationKind === "volunteer") {
    return {
      largeOrganization: false,
      note: "Volunteer-run group: send the kit and office hours.",
    };
  }

  if (isLargeMemberCount(input.memberCount)) {
    return {
      largeOrganization: true,
      note: "Large organization: call with the facilitator lead.",
    };
  }

  if (input.organizationKind === "league") {
    return {
      largeOrganization: false,
      note: "League, association or co-op developer: partnership call.",
    };
  }

  return {
    largeOrganization: false,
    note: "Send the one-page brief, then offer a call.",
  };
}