import type { Plan, PlanLimits } from "@/types"

export const PLAN_LIMITS: Record<Plan, PlanLimits> = {
  starter: {
    maxProperties: 1,
    maxTenants: 3,
    maxAiCalls: 0,
    maxStorageMB: 100,
    hasTeamAccess: false,
    hasWhiteLabel: false,
  },
  pro: {
    maxProperties: 10,
    maxTenants: Infinity,
    maxAiCalls: 50,
    maxStorageMB: 5120,
    hasTeamAccess: false,
    hasWhiteLabel: false,
  },
  landlord: {
    maxProperties: Infinity,
    maxTenants: Infinity,
    maxAiCalls: 200,
    maxStorageMB: 25600,
    hasTeamAccess: true,
    hasWhiteLabel: true,
  },
  lifetime: {
    maxProperties: Infinity,
    maxTenants: Infinity,
    maxAiCalls: 200,
    maxStorageMB: 25600,
    hasTeamAccess: true,
    hasWhiteLabel: true,
  },
}

// Single source of truth for DISPLAYED prices (USD). Client-safe (plain numbers,
// no env). Billing always charges the Stripe Price ID, so a mismatch here only
// affects what the marketing/billing UI shows — keep these in sync with the
// amounts configured on the Stripe Prices referenced below.
export const PLAN_AMOUNTS = { starter: 0, pro: 29, landlord: 59, lifetime: 199 } as const

// Plan metadata (client-safe — no env, no price IDs). The actual Stripe price
// is resolved at runtime by lib/stripe/prices.ts using stable lookup keys, so
// the same code works in test and live with ONLY an API-key swap.
export const PLAN_PRICES: Record<string, { plan: Plan; amount: number; interval: string }> = {
  pro: { plan: "pro", amount: PLAN_AMOUNTS.pro, interval: "month" },
  landlord: { plan: "landlord", amount: PLAN_AMOUNTS.landlord, interval: "month" },
  lifetime: { plan: "lifetime", amount: PLAN_AMOUNTS.lifetime, interval: "one_time" },
}

// Annual billing is always offered; the yearly price is resolved (and
// auto-provisioned if missing) at checkout time by lib/stripe/prices.ts.
export function annualEnabled(): boolean {
  return true
}

export function checkLimit(
  plan: Plan,
  resource: keyof PlanLimits,
  currentCount: number
): boolean {
  const limit = PLAN_LIMITS[plan][resource]
  if (typeof limit === "boolean") return limit
  return currentCount < (limit as number)
}

export function getPlanLabel(plan: Plan): string {
  const labels: Record<Plan, string> = {
    starter: "Starter",
    pro: "Pro",
    landlord: "Landlord",
    lifetime: "Lifetime",
  }
  return labels[plan]
}