import {z} from 'zod'

export type GetApiBalanceSheetArgs = {symbol?: string | undefined, figi?: string | undefined, isin?: string | undefined, cusip?: string | undefined, exchange?: string | undefined, mic_code?: string | undefined, country?: string | undefined, period?: ('annual' | 'quarterly') | undefined, start_date?: string | undefined, end_date?: string | undefined, outputsize?: number | undefined};

export type GetApiBalanceSheetOptions = {baseUrl?: string | undefined, authorizationHeader?: string | undefined, fetch?: typeof fetch | undefined};

export const getApiBalanceSheetResponse = z.object({meta: z.object({symbol: z.string(), name: z.string(), currency: z.string(), exchange: z.string(), mic_code: z.string(), exchange_timezone: z.string(), period: z.string()}), balance_sheet: z.array(z.object({fiscal_date: z.string(), year: z.number().int().optional(), assets: z.object({current_assets: z.object({cash: z.number().optional(), cash_equivalents: z.number().optional(), cash_and_cash_equivalents: z.number().optional(), other_short_term_investments: z.number().optional(), accounts_receivable: z.number().optional(), other_receivables: z.number().optional(), inventory: z.number().optional(), prepaid_assets: z.number().optional(), restricted_cash: z.number().optional(), assets_held_for_sale: z.number().optional(), hedging_assets: z.number().optional(), other_current_assets: z.number().optional(), total_current_assets: z.number().optional()}).optional(), non_current_assets: z.object({properties: z.number().optional(), land_and_improvements: z.number().optional(), machinery_furniture_equipment: z.number().optional(), construction_in_progress: z.number().optional(), leases: z.number().optional(), accumulated_depreciation: z.number().optional(), goodwill: z.number().optional(), investment_properties: z.number().optional(), financial_assets: z.number().optional(), intangible_assets: z.number().optional(), investments_and_advances: z.number().optional(), other_non_current_assets: z.number().optional(), total_non_current_assets: z.number().optional()}).optional(), total_assets: z.number().optional()}).optional(), liabilities: z.object({current_liabilities: z.object({accounts_payable: z.number().optional(), accrued_expenses: z.number().optional(), short_term_debt: z.number().optional(), deferred_revenue: z.number().optional(), tax_payable: z.number().optional(), pensions: z.number().optional(), other_current_liabilities: z.number().optional(), total_current_liabilities: z.number().optional()}).optional(), non_current_liabilities: z.object({long_term_provisions: z.number().optional(), long_term_debt: z.number().optional(), provision_for_risks_and_charges: z.number().optional(), deferred_liabilities: z.number().optional(), derivative_product_liabilities: z.number().optional(), other_non_current_liabilities: z.number().optional(), total_non_current_liabilities: z.number().optional()}).optional(), total_liabilities: z.number().optional()}).optional(), shareholders_equity: z.object({common_stock: z.number().optional(), retained_earnings: z.number().optional(), other_shareholders_equity: z.number().optional(), total_shareholders_equity: z.number().optional(), additional_paid_in_capital: z.number().optional(), treasury_stock: z.number().optional(), minority_interest: z.number().optional()}).optional()}))});

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
};

/**
 * Balance sheet
 * 
 * GET /balance_sheet
 * 
 * Also accepts auth: queryParameter
 */
export const getApiBalanceSheet = async (args: GetApiBalanceSheetArgs, options?: GetApiBalanceSheetOptions) => {
const {baseUrl = "https://api.twelvedata.com", fetch: fetchFn = fetch, authorizationHeader} = options ?? {}

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

if (args.symbol != null) query.append("symbol", String(args.symbol))
if (args.figi != null) query.append("figi", String(args.figi))
if (args.isin != null) query.append("isin", String(args.isin))
if (args.cusip != null) query.append("cusip", String(args.cusip))
if (args.exchange != null) query.append("exchange", String(args.exchange))
if (args.mic_code != null) query.append("mic_code", String(args.mic_code))
if (args.country != null) query.append("country", String(args.country))
if (args.period != null) query.append("period", String(args.period))
if (args.start_date != null) query.append("start_date", String(args.start_date))
if (args.end_date != null) query.append("end_date", String(args.end_date))
if (args.outputsize != null) query.append("outputsize", String(args.outputsize))
if (authorizationHeader !== undefined) headers.set("Authorization", authorizationHeader)

const url = `${baseUrl.replace(/\/+$/, '')}/balance_sheet${query.size > 0 ? `?${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(getApiBalanceSheetResponse, await res.json())
};