(function (global) {
  const storage = global.BeaStorageService;
  const PROFILES_KEY = "profiles";
  const ACTIVE_PROFILE_KEY = "active-profile-id";

  function createProfileId() {
    const randomPart = global.crypto && typeof global.crypto.randomUUID === "function"
      ? global.crypto.randomUUID().replace(/-/g, "").slice(0, 10).toUpperCase()
      : Math.random().toString(36).slice(2, 12).toUpperCase();
    return `BRC-${new Date().toISOString().slice(0, 10).replace(/-/g, "")}-${randomPart}`;
  }

  function getProfiles() {
    return storage.read(PROFILES_KEY, []);
  }

  function getActiveProfile() {
    const activeId = storage.read(ACTIVE_PROFILE_KEY, "");
    return getProfiles().find((profile) => profile.profileId === activeId) || null;
  }

  function login(profileInput) {
    const profiles = getProfiles();
    const normalizedEmail = String(profileInput.email || "").trim().toLowerCase();
    const existingProfile = profiles.find((profile) => profile.email.toLowerCase() === normalizedEmail);
    const timestamp = new Date().toISOString();
    const profile = {
      ...(existingProfile || {}),
      profileId: existingProfile ? existingProfile.profileId : createProfileId(),
      displayName: String(profileInput.displayName || "").trim(),
      email: normalizedEmail,
      organization: String(profileInput.organization || "").trim(),
      role: String(profileInput.role || "").trim(),
      region: String(profileInput.region || "").trim(),
      purposeOfUse: `Role-scoped access: ${String(profileInput.role || existingProfile?.role || "Care Operations").trim()}`,
      createdAt: existingProfile ? existingProfile.createdAt : timestamp,
      lastLoginAt: timestamp
    };

    const nextProfiles = existingProfile
      ? profiles.map((candidate) => candidate.profileId === profile.profileId ? profile : candidate)
      : [profile, ...profiles];

    storage.write(PROFILES_KEY, nextProfiles);
    storage.write(ACTIVE_PROFILE_KEY, profile.profileId);
    return profile;
  }

  function update(profileId, profileInput) {
    const profiles = getProfiles();
    const existingProfile = profiles.find((profile) => profile.profileId === profileId);
    if (!existingProfile) {
      return null;
    }

    const profile = {
      ...existingProfile,
      displayName: String(profileInput.displayName || "").trim(),
      email: String(profileInput.email || "").trim().toLowerCase(),
      organization: String(profileInput.organization || "").trim(),
      role: String(profileInput.role || "").trim(),
      region: String(profileInput.region || "").trim(),
      jobTitle: String(profileInput.jobTitle || "").trim(),
      phone: String(profileInput.phone || "").trim(),
      preferredContact: String(profileInput.preferredContact || "").trim(),
      timezone: String(profileInput.timezone || "").trim(),
      language: String(profileInput.language || "").trim(),
      purposeOfUse: `Role-scoped access: ${String(profileInput.role || existingProfile.role || "Care Operations").trim()}`,
      profileNotes: String(profileInput.profileNotes || "").trim(),
      updatedAt: new Date().toISOString()
    };
    storage.write(PROFILES_KEY, profiles.map((candidate) => candidate.profileId === profileId ? profile : candidate));
    return profile;
  }

  function activate(profileId) {
    const profile = getProfiles().find((candidate) => candidate.profileId === profileId);
    if (!profile) {
      return null;
    }
    storage.write(ACTIVE_PROFILE_KEY, profile.profileId);
    return profile;
  }

  function logout() {
    storage.remove(ACTIVE_PROFILE_KEY);
  }

  function getInitials(profile) {
    return String(profile && profile.displayName ? profile.displayName : "BC")
      .split(/\s+/)
      .filter(Boolean)
      .slice(0, 2)
      .map((part) => part.charAt(0).toUpperCase())
      .join("") || "BC";
  }

  global.BeaProfileManager = Object.freeze({
    getProfiles,
    getActiveProfile,
    login,
    update,
    activate,
    logout,
    getInitials
  });
})(window);