import {z} from 'zod'

export type LinkRequest = string;

export type EnumInvoiceAllowedIncomeTypesRequest = 'SALARY' | 'GOVERNMENT' | 'INTEREST' | 'RENT' | 'RETIREMENT' | 'FREELANCE' | 'ALTERNATIVE_INCOME' | 'TRANSFER' | 'DEPOSIT' | 'UNKNOWN';

export type EnumIncomeMinimumConfidenceLevelRequest = 'HIGH' | 'MEDIUM' | 'LOW';

export type DateFrom = string;

export type DateTo = string;

export type Token = string;

export type SaveData = boolean;

export type CreateApiApiIncomesArgs = {omit?: string | undefined, fields?: string | undefined, body: {link: LinkRequest, allowed_income_types?: Array<EnumInvoiceAllowedIncomeTypesRequest> | undefined, minimum_confidence_level?: EnumIncomeMinimumConfidenceLevelRequest | undefined, date_from?: DateFrom | undefined, date_to?: DateTo | undefined, token?: Token | undefined, save_data?: SaveData | undefined}};

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

export const id = z.string();

export const link = z.string().nullable();

export const createdAt = z.string();

export const enumIncomeStreamType = z.enum(["SALARY", "GOVERNMENT", "INTEREST", "RENT", "RETIREMENT", "FREELANCE", "ALTERNATIVE_INCOME", "TRANSFER", "DEPOSIT", "UNKNOWN"]);

export const enumIncomeStreamFrequency = z.enum(["MONTHLY", "FORTNIGHTLY", "WEEKLY", "IRREGULAR", "SINGLE"]);

export const enumIncomeStreamConfidence = z.enum(["HIGH", "MEDIUM", "LOW"]);

export const incomeStreamsBody = z.object({account_id: z.string(), income_type: enumIncomeStreamType, frequency: enumIncomeStreamFrequency, monthly_average: z.number(), monthly_median: z.number().optional(), average_income_amount: z.number(), last_income_amount: z.number(), currency: z.string(), last_income_description: z.string(), last_income_date: z.string(), stability: z.number().nullable(), regularity: z.number().nullable(), trend: z.number().nullable(), lookback_periods: z.number().int(), full_periods: z.number().int(), periods_with_income: z.number().int(), number_of_incomes: z.number().int(), confidence: enumIncomeStreamConfidence});

export const enumIncomeSourceType = z.literal("BANK");

export const income = z.object({id: id, link: link, created_at: createdAt, income_streams: z.array(incomeStreamsBody), income_source_type: enumIncomeSourceType, first_transaction_date: z.string().nullable(), last_transaction_date: z.string(), best_working_day_to_charge: z.number().int(), good_working_days_to_charge: z.array(z.number().int()), number_of_income_streams: z.number().int(), monthly_average: z.number(), monthly_average_regular: z.number(), monthly_average_irregular: z.number(), monthly_average_low_confidence: z.number(), monthly_average_medium_confidence: z.number(), monthly_average_high_confidence: z.number(), total_income_amount: z.number(), total_regular_income_amount: z.number(), total_irregular_income_amount: z.number().optional(), total_low_confidence: z.number(), total_medium_confidence: z.number(), total_high_confidence: z.number()});

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 incomes for a link
 * 
 * POST /api/incomes/
 */
export const createApiApiIncomes = async (args: CreateApiApiIncomesArgs, options?: CreateApiApiIncomesOptions) => {
const {baseUrl = "https://sandbox.belvo.com", fetch: fetchFn = fetch, basicAuth} = options ?? {}

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

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

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

const res = await fetchFn(url, {method: "POST", headers, body: JSON.stringify(args.body)})

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

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