import {z} from 'zod'

export type GetApiDebtLinesIdMetricsArgs = {id: string, limit?: number | undefined, page?: string | undefined, expand?: Array<'total_count'> | undefined, sort?: 'test_month_desc' | undefined, test_month?: string | undefined};

export type GetApiDebtLinesIdMetricsOptions = {baseUrl?: string | undefined, APIKeyAuth?: string | undefined, fetch?: typeof fetch | undefined};

export const getApiDebtLinesIdMetricsResponse = z.object({data: z.array(z.object({id: z.string(), debt_line_id: z.string(), created_at: z.string(), updated_at: z.string(), test_month: z.string(), cohort_summary: z.record(z.string(), z.array(z.object({is_eligible: z.boolean(), payment_frequency: z.string().nullable().optional(), term_months: z.number().nullable().optional(), funded_by: z.enum(["sivo", "balance_sheet", "other"]), apr_group: z.number().gte(-10).lte(10).nullable().optional(), delinquent_days: z.literal(0), delinquent_weight: z.number().int(), loans: z.number().int().gte(0).lte(2147483647), outstanding_amount: z.number().int(), disbursed_amount: z.number().int(), default_balance: z.number().int()}))).nullable().optional(), sivo_score: z.record(z.string(), z.number()).nullable().optional(), outstanding_balance: z.number().int().nullable().optional(), pledged_balance: z.number().int().nullable().optional(), eligible_balance: z.number().int().nullable().optional(), effective_apr: z.number().gte(-10).lte(10).nullable().optional(), default_rate: z.number().gte(-10).lte(10).nullable().optional(), utilization_rate: z.number().gte(-10).lte(10).nullable().optional(), avg_repayment_days: z.number().nullable().optional(), concentration: z.number().gte(-10).lte(10).nullable().optional(), cashflow_covering_ratio: z.number().gte(-10).lte(10).nullable().optional(), cash_ratio: z.number().nullable().optional(), debt_asset_ratio: z.number().nullable().optional(), top_balances_eligible: z.array(z.number().int()), top_balances_all: z.array(z.number().int()), report_delay: z.number().int().gte(0).lte(2147483647).nullable().optional()})), has_more: z.boolean(), next_page: z.string().min(1).max(1024).nullable(), previous_page: z.string().min(1).max(1024).nullable(), total_count: z.number().int().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
};

/**
 * Get debt line monthly metrics
 * 
 * GET /debt-lines/{id}/metrics
 * 
 * Also accepts auth: OAuth2
 */
export const getApiDebtLinesIdMetrics = async (args: GetApiDebtLinesIdMetricsArgs, options?: GetApiDebtLinesIdMetricsOptions) => {
const {baseUrl = "https://core.sivo.com", fetch: fetchFn = fetch, APIKeyAuth} = options ?? {}

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

if (args.limit != null) query.append("limit", String(args.limit))
if (args.page != null) query.append("page", String(args.page))
for (const item of args.expand ?? []) query.append("expand", String(item))
if (args.sort != null) query.append("sort", String(args.sort))
if (args.test_month != null) query.append("test_month", String(args.test_month))
if (APIKeyAuth !== undefined) headers.set("Authorization", APIKeyAuth)

const url = `${baseUrl.replace(/\/+$/, '')}/debt-lines/${encodeURIComponent(String(args.id))}/metrics${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(getApiDebtLinesIdMetricsResponse, await res.json())
};