import {z} from 'zod'

export type GetApi10KbCatalogArgs = {requestedDate?: string | undefined, accountId?: string | undefined};

export type GetApi10KbCatalogOptions = {baseUrl: string, basicAuth?: {username: string, password: string} | undefined, fetch?: typeof fetch | undefined};

export const unit = z.object({name: z.string().optional(), prettyName: z.string().optional()});

export const price = z.object({currency: z.enum(["AED", "AFN", "ALL", "AMD", "ANG", "AOA", "ARS", "AUD", "AWG", "AZN", "BAM", "BBD", "BDT", "BGN", "BHD", "BIF", "BMD", "BND", "BOB", "BRL", "BSD", "BTN", "BWP", "BYR", "BZD", "CAD", "CDF", "CHF", "CLP", "CNY", "COP", "CRC", "CUC", "CUP", "CVE", "CZK", "DJF", "DKK", "DOP", "DZD", "EGP", "ERN", "ETB", "EUR", "FJD", "FKP", "GBP", "GEL", "GGP", "GHS", "GIP", "GMD", "GNF", "GTQ", "GYD", "HKD", "HNL", "HRK", "HTG", "HUF", "IDR", "ILS", "IMP", "INR", "IQD", "IRR", "ISK", "JEP", "JMD", "JOD", "JPY", "KES", "KGS", "KHR", "KMF", "KPW", "KRW", "KWD", "KYD", "KZT", "LAK", "LBP", "LKR", "LRD", "LSL", "LTL", "LVL", "LYD", "MAD", "MDL", "MGA", "MKD", "MMK", "MNT", "MOP", "MRO", "MUR", "MVR", "MWK", "MXN", "MYR", "MZN", "NAD", "NGN", "NIO", "NOK", "NPR", "NZD", "OMR", "PAB", "PEN", "PGK", "PHP", "PKR", "PLN", "PYG", "QAR", "RON", "RSD", "RUB", "RWF", "SAR", "SBD", "SCR", "SDG", "SEK", "SGD", "SHP", "SLL", "SOS", "SPL", "SRD", "STD", "SVC", "SYP", "SZL", "THB", "TJS", "TMT", "TND", "TOP", "TRY", "TTD", "TVD", "TWD", "TZS", "UAH", "UGX", "USD", "UYU", "UZS", "VEF", "VND", "VUV", "WST", "XAF", "XCD", "XDR", "XOF", "XPF", "YER", "ZAR", "ZMW", "ZWD", "BTC"]).optional(), value: z.number().optional()});

export const duration = z.object({unit: z.enum(["DAYS", "WEEKS", "MONTHS", "YEARS", "UNLIMITED"]).optional(), number: z.number().int().optional()});

export const limit = z.object({unit: z.string().optional(), max: z.string().optional(), min: z.string().optional()});

export const tieredBlock = z.object({unit: z.string().optional(), size: z.string().optional(), max: z.string().optional(), prices: z.array(price).optional()});

export const tier = z.object({limits: z.array(limit).optional(), fixedPrice: z.array(price).optional(), recurringPrice: z.array(price).optional(), blocks: z.array(tieredBlock).optional()});

export const usage = z.object({billingPeriod: z.string().optional(), tiers: z.array(tier).optional()});

export const phase = z.object({type: z.string().optional(), prices: z.array(price).optional(), fixedPrices: z.array(price).optional(), duration: duration.optional(), usages: z.array(usage).optional()});

export const plan = z.object({name: z.string().optional(), prettyName: z.string().optional(), billingPeriod: z.enum(["DAILY", "WEEKLY", "BIWEEKLY", "THIRTY_DAYS", "SIXTY_DAYS", "NINETY_DAYS", "MONTHLY", "BIMESTRIAL", "QUARTERLY", "TRIANNUAL", "BIANNUAL", "ANNUAL", "BIENNIAL", "NO_BILLING_PERIOD"]).optional(), phases: z.array(phase).optional()});

export const product = z.object({type: z.string().optional(), name: z.string().optional(), prettyName: z.string().optional(), plans: z.array(plan).optional(), included: z.array(z.string()).optional(), available: z.array(z.string()).optional()});

export const priceList = z.object({name: z.string().optional(), plans: z.array(z.string()).optional()});

export const catalog = z.object({name: z.string().optional(), effectiveDate: z.string().optional(), currencies: z.array(z.enum(["AED", "AFN", "ALL", "AMD", "ANG", "AOA", "ARS", "AUD", "AWG", "AZN", "BAM", "BBD", "BDT", "BGN", "BHD", "BIF", "BMD", "BND", "BOB", "BRL", "BSD", "BTN", "BWP", "BYR", "BZD", "CAD", "CDF", "CHF", "CLP", "CNY", "COP", "CRC", "CUC", "CUP", "CVE", "CZK", "DJF", "DKK", "DOP", "DZD", "EGP", "ERN", "ETB", "EUR", "FJD", "FKP", "GBP", "GEL", "GGP", "GHS", "GIP", "GMD", "GNF", "GTQ", "GYD", "HKD", "HNL", "HRK", "HTG", "HUF", "IDR", "ILS", "IMP", "INR", "IQD", "IRR", "ISK", "JEP", "JMD", "JOD", "JPY", "KES", "KGS", "KHR", "KMF", "KPW", "KRW", "KWD", "KYD", "KZT", "LAK", "LBP", "LKR", "LRD", "LSL", "LTL", "LVL", "LYD", "MAD", "MDL", "MGA", "MKD", "MMK", "MNT", "MOP", "MRO", "MUR", "MVR", "MWK", "MXN", "MYR", "MZN", "NAD", "NGN", "NIO", "NOK", "NPR", "NZD", "OMR", "PAB", "PEN", "PGK", "PHP", "PKR", "PLN", "PYG", "QAR", "RON", "RSD", "RUB", "RWF", "SAR", "SBD", "SCR", "SDG", "SEK", "SGD", "SHP", "SLL", "SOS", "SPL", "SRD", "STD", "SVC", "SYP", "SZL", "THB", "TJS", "TMT", "TND", "TOP", "TRY", "TTD", "TVD", "TWD", "TZS", "UAH", "UGX", "USD", "UYU", "UZS", "VEF", "VND", "VUV", "WST", "XAF", "XCD", "XDR", "XOF", "XPF", "YER", "ZAR", "ZMW", "ZWD", "BTC"])).optional(), units: z.array(unit).optional(), products: z.array(product).optional(), priceLists: z.array(priceList).optional()});

export const getApi10KbCatalogResponse = z.array(catalog);

export const validateResponse = async <Output>(
  schema: {
    readonly '~standard': {
      readonly validate: (value: unknown) => ({ readonly value: Output; readonly issues?: undefined } | { readonly issues: ReadonlyArray<{ readonly message: string; readonly path?: ReadonlyArray<PropertyKey | { readonly key: PropertyKey }> | undefined }> }) | Promise<{ readonly value: Output; readonly issues?: undefined } | { readonly issues: ReadonlyArray<{ readonly message: string; readonly path?: ReadonlyArray<PropertyKey | { readonly key: PropertyKey }> | undefined }> }>
    }
  },
  value: unknown
): Promise<Output> => {
  const result = await schema['~standard'].validate(value)

  if (result.issues !== undefined) {
    const detail = result.issues
      .map(({ message, path }) =>
        path?.length
          ? `${path.map((segment) => String(typeof segment === 'object' ? segment.key : segment)).join('.')}: ${message}`
          : message
      )
      .join('; ')

    throw new Error(`Response does not match the schema: ${detail}`, { cause: { issues: result.issues } })
  }

  return result.value
};

/**
 * Retrieve the catalog as JSON
 * 
 * GET /1.0/kb/catalog
 * 
 * Also accepts auth: Killbill_Api_Key, Killbill_Api_Secret
 */
export const getApi10KbCatalog = async (args: GetApi10KbCatalogArgs, options: GetApi10KbCatalogOptions) => {
const {baseUrl, fetch: fetchFn = fetch, basicAuth} = options ?? {}

const query = new URLSearchParams()
const headers = new Headers()
headers.set('accept', "application/json")

if (args.requestedDate != null) query.append("requestedDate", String(args.requestedDate))
if (args.accountId != null) query.append("accountId", String(args.accountId))
if (basicAuth !== undefined) headers.set('authorization', `Basic ${btoa(`${basicAuth.username}:${basicAuth.password}`)}`)

const url = `${baseUrl.replace(/\/+$/, '')}/1.0/kb/catalog${query.size > 0 ? `?${query}` : ''}`

const res = await fetchFn(url, {method: "GET", headers})

if (!res.ok) throw new Error(`Request failed with status ${res.status}`, {cause: {status: res.status, body: await res.text()}})

return validateResponse(getApi10KbCatalogResponse, await res.json())
};