export type Plan = "free" | "pro" | "pro2x" | "pro4x" | "lifetime";

export interface PlanLimits {
  maxMonitors: number;
  minIntervalS: number;
  maxRegions: number;
}

const PLAN_LIMITS: Record<Plan, PlanLimits> = {
  free:     { maxMonitors: 10,  minIntervalS: 30, maxRegions: 1 },
  pro:      { maxMonitors: 200, minIntervalS: 5,  maxRegions: 99 },
  pro2x:    { maxMonitors: 400, minIntervalS: 5,  maxRegions: 99 },
  pro4x:    { maxMonitors: 800, minIntervalS: 5,  maxRegions: 99 },
  lifetime: { maxMonitors: 200, minIntervalS: 5,  maxRegions: 99 },
};

export function getPlanLimits(plan: string): PlanLimits {
  return PLAN_LIMITS[plan as Plan] || PLAN_LIMITS.free;
}

export const PLAN_LABELS: Record<string, string> = {
  free: "Free", pro: "Pro", pro2x: "Pro 2x", pro4x: "Pro 4x", lifetime: "Lifetime",
};

export const PRO_MONTHLY_USD = 12;
export const LIFETIME_USD = 140;

export const PLAN_PRICING: Record<string, { label: string; monthlyUsd?: number; priceUsd?: number }> = {
  pro:      { label: "Pro",      monthlyUsd: PRO_MONTHLY_USD },
  pro2x:    { label: "Pro 2x",   monthlyUsd: PRO_MONTHLY_USD * 2 },
  pro4x:    { label: "Pro 4x",   monthlyUsd: PRO_MONTHLY_USD * 4 },
  lifetime: { label: "Lifetime", priceUsd: LIFETIME_USD },
};

export const COINS: Record<string, { label: string; ticker: string; confirmations: number; uri: string }> = {
  btc:  { label: "Bitcoin",      ticker: "BTC",  confirmations: 1, uri: "bitcoin" },
  ltc:  { label: "Litecoin",     ticker: "LTC",  confirmations: 1, uri: "litecoin" },
  doge: { label: "Dogecoin",     ticker: "DOGE", confirmations: 1, uri: "dogecoin" },
  dash: { label: "Dash",         ticker: "DASH", confirmations: 1, uri: "dash" },
  bch:  { label: "Bitcoin Cash", ticker: "BCH",  confirmations: 0, uri: "bitcoincash" },
  xec:  { label: "eCash",        ticker: "XEC",  confirmations: 0, uri: "ecash" },
};

const PLAN_RANK: Record<string, number> = {
  free: 0, pro: 1, lifetime: 1, pro2x: 2, pro4x: 3,
};

export function planTier(plan: string): number {
  return PLAN_RANK[plan] ?? 0;
}

export const REGION_COLORS: Record<string, string> = {
  "eu-central": "#3b82f6",
  "us-west": "#f59e0b",
  "default": "#6b7280",
  "__none__": "#6b7280",
};

export const REGION_LABELS: Record<string, string> = {
  "eu-central": "EU Central",
  "us-west": "US West",
  "default": "Default",
};

export const REGIONS: [string, string][] = [
  ["eu-central", "EU Central"],
  ["us-west", "US West"],
];