export type AiQuotaPaywallReason =
  | 'credit_limit_exceeded'
  | 'deploy_quota_exceeded'
  | 'dollar_commit_exhausted'
  | 'no_seat_assigned'
  | 'payment_past_due'
  | 'provisioning_error'
  | 'token_limit_exceeded'
  | 'trial_expired'
  | 'user_credit_limit_exceeded';

/**
 * The complete set of paywall reasons, kept in lockstep with the
 * `AiQuotaPaywallReason` union above. Shared so that callers parsing
 * untrusted error payloads (`packages/vite-plugin-file-sync`) can validate
 * string values against the same source of truth rather than duplicating it.
 */
export const AI_QUOTA_PAYWALL_REASONS: ReadonlySet<AiQuotaPaywallReason> = new Set<AiQuotaPaywallReason>([
  'credit_limit_exceeded',
  'deploy_quota_exceeded',
  'dollar_commit_exhausted',
  'no_seat_assigned',
  'payment_past_due',
  'provisioning_error',
  'token_limit_exceeded',
  'trial_expired',
  'user_credit_limit_exceeded'
]);

export const isAiQuotaPaywallReason = (value: unknown): value is AiQuotaPaywallReason =>
  typeof value === 'string' && AI_QUOTA_PAYWALL_REASONS.has(value as AiQuotaPaywallReason);

export const getAiQuotaPaywallReasonFromMessage = (message: string): AiQuotaPaywallReason | undefined => {
  const normalizedMessage = message.toLowerCase();

  if (
    normalizedMessage.includes('no_seat_assigned') ||
    normalizedMessage.includes("don't have an ai builder license assigned") ||
    normalizedMessage.includes("doesn't have an ai builder license assigned") ||
    normalizedMessage.includes("doesn't have an ai builder seat assigned") ||
    normalizedMessage.includes('does not have an ai builder license assigned') ||
    normalizedMessage.includes('does not have an ai builder seat assigned') ||
    normalizedMessage.includes("don't have an ai builder seat assigned") ||
    normalizedMessage.includes('no builder seat assigned')
  ) {
    return 'no_seat_assigned';
  }

  if (
    normalizedMessage.includes('payment_past_due') ||
    normalizedMessage.includes('payment is past due') ||
    normalizedMessage.includes('subscription payment failed')
  ) {
    return 'payment_past_due';
  }

  if (
    normalizedMessage.includes('trial_expired') ||
    normalizedMessage.includes('ai trial period has ended') ||
    normalizedMessage.includes('free trial has ended')
  ) {
    return 'trial_expired';
  }

  // A paid org whose entitlement row hasn't been written yet (webhook delayed or
  // failed). Must be matched before the generic 'ai usage limit' fallback below —
  // this state is a provisioning problem, not exhaustion, and its paywall must not
  // suggest buying more credits.
  if (
    normalizedMessage.includes('provisioning_error') ||
    normalizedMessage.includes("hasn't finished provisioning") ||
    normalizedMessage.includes('has not finished provisioning')
  ) {
    return 'provisioning_error';
  }

  if (normalizedMessage.includes('token_limit_exceeded')) {
    return 'token_limit_exceeded';
  }

  if (normalizedMessage.includes('deploy_quota_exceeded')) {
    return 'deploy_quota_exceeded';
  }

  if (normalizedMessage.includes('dollar_commit_exhausted')) {
    return 'dollar_commit_exhausted';
  }

  if (normalizedMessage.includes('user_credit_limit_exceeded') || normalizedMessage.includes("you've reached your assigned usage limit")) {
    return 'user_credit_limit_exceeded';
  }

  if (normalizedMessage.includes('credit_limit_exceeded') || normalizedMessage.includes('organization has reached its ai usage limit')) {
    return 'credit_limit_exceeded';
  }

  if (normalizedMessage.includes('ai usage limit')) {
    return 'token_limit_exceeded';
  }

  return undefined;
};

export const AI_QUOTA_PAYWALL_STRIPE_CHECKOUT_URL = 'https://buy.stripe.com/7sYeVc8XNfl3fZ40FT8EM02';

export const AI_QUOTA_PAYWALL_CONTACT_SALES_EMAIL = 'sales@superblockshq.com';

export const AI_QUOTA_PAYWALL_CONTACT_SALES_URL = 'https://www.superblocks.com/book-a-demo';

export const AI_QUOTA_PAYWALL_REASON_CONFIG: Record<AiQuotaPaywallReason, { title: string; subtitle: string }> = {
  credit_limit_exceeded: {
    title: 'Your organization has reached its AI usage limit',
    subtitle: 'Ask your admin to purchase additional GAUs to continue using Clark AI.'
  },
  no_seat_assigned: {
    title: "You don't have an AI Builder license",
    subtitle: 'Ask your admin to assign a license so you can continue building with Clark AI.'
  },
  token_limit_exceeded: {
    title: 'Your organization has reached its AI usage limit',
    subtitle: 'Upgrade your plan to continue using Clark AI and other AI-powered features.'
  },
  trial_expired: {
    title: 'Your free trial has ended',
    subtitle: 'Upgrade to keep building with AI.'
  },
  deploy_quota_exceeded: {
    title: 'Deploy limit reached',
    subtitle: 'Your organization has reached its deployed app limit. Add more deployed apps to continue.'
  },
  dollar_commit_exhausted: {
    title: 'Dollar commit pool exhausted',
    subtitle: 'Your organization has used its entire dollar commit pool. Contact your account team to adjust your contract.'
  },
  payment_past_due: {
    title: "Your last payment didn't go through",
    subtitle:
      'Update your payment method to restore access to Clark AI and other paid features. Your subscription is paused until the outstanding invoice is paid.'
  },
  user_credit_limit_exceeded: {
    title: "You've reached your assigned usage limit",
    subtitle: 'Contact an admin to request an increase.'
  },
  provisioning_error: {
    title: "Your organization's plan isn't fully set up yet",
    subtitle:
      "Your subscription is active, but its usage allowance hasn't finished provisioning. Try again in a few minutes — if this persists, contact support@superblocks.com."
  }
};

export const AI_QUOTA_PAYWALL_PRICE_PER_SEAT_ANNUAL = 100;
export const AI_QUOTA_PAYWALL_PRICE_PER_SEAT_MONTHLY = 125;
export const AI_QUOTA_PAYWALL_CREDITS_PER_SEAT = 100;
export const AI_QUOTA_PAYWALL_APPS_PER_SEAT = 1;
export const AI_QUOTA_PAYWALL_MIN_SEATS = 1;
export const AI_QUOTA_PAYWALL_MAX_SEATS = 100;

export const AI_QUOTA_PAYWALL_TEAMS_FEATURES = [
  '100 GAUs per AI Builder / month',
  'Org-level GAU top-ups, shared across team',
  'Clark AI agent for app building',
  'Clark User Memory',
  'GAU Packs add-on available'
];

export const AI_QUOTA_PAYWALL_ENTERPRISE_FEATURES = [
  'Clark Integration and Organization memory',
  'Source Control via GitHub, GitLab, BitBucket, Azure DevOps',
  'Secrets Management',
  'Embedded Applications',
  'Custom app hosting'
];

export const AI_QUOTA_PAYWALL_TEAMS_PLATFORM_FEATURES = ['Staging and production environments', '1 deployed app per team'];

export const AI_QUOTA_PAYWALL_ENTERPRISE_PLATFORM_FEATURES = [
  'Deploy in your VPC (Hybrid or Cloud Prem)',
  'SSO / SAML / OIDC',
  'Role-based access control (RBAC)',
  'Audit Logs & Observability'
];

export const AI_QUOTA_PAYWALL_ENTERPRISE_SUPPORT_FEATURES = ['Dedicated account team', 'Enterprise Uptime and SLAs'];