import {z} from 'zod'

export type PostingLegHumaInputBody = {account: string, component?: string | undefined, optional?: boolean | undefined, role?: ('principal' | 'interest' | 'iof' | 'tax' | 'cash' | 'unapplied_cash' | 'counterparty') | undefined, side: 'debit' | 'credit'};

export type PostingRuleHumaInputBody = {eventType: 'disbursement' | 'repayment' | 'prepayment' | 'accrual' | 'accrual_tax' | 'collection_unapplied' | 'collection_reapply' | 'collection_refund', legs: Array<PostingLegHumaInputBody>, metadata?: {[key: string]: string} | undefined};

export type ConfigureAccountingProfileHumaInputBody = {accountingMode: 'accrual' | 'cash', loanProductVersionId: string, midazLedgerId?: string | undefined, midazOrganizationId?: string | undefined, postingRules: Array<PostingRuleHumaInputBody>};

export type CreateApiApiV1LoanProductsIdAccountingProfilesArgs = {id: string, body: ConfigureAccountingProfileHumaInputBody};

export type CreateApiApiV1LoanProductsIdAccountingProfilesOptions = {baseUrl?: string | undefined, fetch?: typeof fetch | undefined};

export const accountingPostingLegBody = z.object({account: z.string(), component: z.string().optional(), optional: z.boolean(), role: z.enum(["principal", "interest", "iof", "tax", "cash", "unapplied_cash", "counterparty"]).optional(), side: z.enum(["debit", "credit"])});

export const accountingPostingRuleHumaBody = z.object({eventType: z.string(), legs: z.array(accountingPostingLegBody), metadata: z.record(z.string(), z.string())});

export const accountingProfileHumaBody = z.object({accountingMode: z.string(), createdAt: z.string(), id: z.string(), loanProductVersionId: z.string(), postingRules: z.array(accountingPostingRuleHumaBody).nullable()});

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
};

/**
 * Create loan product accounting profile
 * 
 * POST /api/v1/loan-products/{id}/accounting-profiles
 */
export const createApiApiV1LoanProductsIdAccountingProfiles = async (args: CreateApiApiV1LoanProductsIdAccountingProfilesArgs, options?: CreateApiApiV1LoanProductsIdAccountingProfilesOptions) => {
const {baseUrl = "https://identity.sandbox.lerian.net", fetch: fetchFn = fetch} = options ?? {}

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

const url = `${baseUrl.replace(/\/+$/, '')}/api/v1/loan-products/${encodeURIComponent(String(args.id))}/accounting-profiles${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(accountingProfileHumaBody, await res.json())
};