// Server-side contribution config
export const CONTRIBUTION_TIERS = {
  FREE:       { value: "0",  amount: 0,  label: "$0 - I need support right now",        tier: "free" },
  SUPPORTER:  { value: "5",  amount: 5,  label: "$5 - I can contribute",                tier: "supporter" },
  MEMBER:     { value: "15", amount: 15, label: "$15 - I can sustain the community",    tier: "member" },
  ADVOCATE:   { value: "30", amount: 30, label: "$30 - I can support others too",       tier: "advocate" },
  CHAMPION:   { value: "50", amount: 50, label: "$50 - I want to sponsor multiple members", tier: "champion" },
}

export const getContributionOptions = () => Object.values(CONTRIBUTION_TIERS)
export const getValidContributionValues = () => Object.values(CONTRIBUTION_TIERS).map(t => t.value)
export const getContributionTierByValue = (value) =>
  Object.values(CONTRIBUTION_TIERS).find(t => t.value === value)
export const requiresPayment = (value) => (getContributionTierByValue(value)?.amount ?? 0) > 0
export const isValidContributionValue = (value) => getValidContributionValues().includes(value)
export const getPaidContributionTiers = () =>
  Object.values(CONTRIBUTION_TIERS).filter(t => t.amount > 0)

export function getTierAmount(tier, cadence = 'monthly') {
  const base = parseFloat(tier.amount)
  return cadence === 'annual' ? base * 10 : base
}

// Cadence-keyed plan-id lookup. Throws via createError at call site if env missing;
// this helper just returns the raw runtime-config value.
export function getHelcimPlanId(cadence) {
  const config = useRuntimeConfig()
  if (cadence === 'annual') return config.helcimAnnualPlanId || null
  return config.helcimMonthlyPlanId || null
}