import {z} from 'zod'

export type CreateApiGccV2PartnerMerchantOnboardArgs = {body: {externalOnboardingId: string, panNumber: string}};

export type CreateApiGccV2PartnerMerchantOnboardOptions = {baseUrl?: string | undefined, ApiKeyAuth?: string | undefined, DigestAuth?: string | undefined, fetch?: typeof fetch | undefined};

export const address = z.object({streetAddress1: z.string().optional(), streetAddress2: z.string().optional(), zipcode: z.string().optional(), stateCode: z.string().optional(), city: z.string().optional(), state: z.string().optional()});

export const merchantInfo = z.object({onboardingId: z.string().optional(), partnerOnboardingId: z.string().optional(), onboardingStatus: z.enum(["INITIATED", "IN_PROGRESS", "PENDING_VERIFICATION", "PENDING_REVIEW", "APPROVED", "REJECTED", "RFI"]).optional(), businessDetails: z.object({entityType: z.string().optional(), gstNumber: z.string().optional(), natureOfBusiness: z.string().optional(), registeredName: z.string().optional(), tradeName: z.string().optional(), iec: z.string().optional(), businessMonthlySize: z.string().optional(), websiteUrl: z.string().optional(), purposeCode: z.string().optional(), businessRegisteredAddress: address.optional(), businessOperatingAddress: address.optional()}).optional(), directorDetails: z.array(z.object({designation: z.string().optional(), name: z.string().optional(), pan: z.string().optional()})).optional(), beneficialOwnerDetails: z.array(z.object({designation: z.string().optional(), name: z.string().optional(), pan: z.string().optional(), percentageOwnership: z.number().optional()})).optional(), authorisedSignatoryDetails: z.object({authSignatoryName: z.string().optional(), authSignatoryPan: z.string().optional(), contact: z.object({phone: z.string().optional(), email: z.string().optional()}).optional()}).optional(), settlementDetails: z.object({bankAccountNumber: z.string().optional(), bankIfscCode: z.string().optional(), accountHolderName: z.string().optional(), accountType: z.enum(["CURRENT", "SAVINGS"]).optional()}).optional()});

export const partnerMerchantStepStatus = z.enum(["COMPLETE", "INCOMPLETE", "NOT_APPLICABLE"]);

export const checklistStatus = z.object({businessDetails: partnerMerchantStepStatus.optional(), beneficialOwners: partnerMerchantStepStatus.optional(), bankDetails: partnerMerchantStepStatus.optional(), authorisedSignatory: partnerMerchantStepStatus.optional(), vkyc: partnerMerchantStepStatus.optional(), digiLocker: partnerMerchantStepStatus.optional(), tncAcknowledged: partnerMerchantStepStatus.optional(), documents: partnerMerchantStepStatus.optional(), products: partnerMerchantStepStatus.optional(), documentsToBeUploaded: z.array(z.string()).optional()});

export const commonSuccessResponse = z.object({gid: z.string().optional(), timestamp: z.string().optional(), reasonCode: z.string().optional(), data: z.object({merchantInfo: merchantInfo.optional(), merchantOnboardingCheckListStatus: checklistStatus.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
};

/**
 * Create Onboarding
 * 
 * POST /gcc/v2/partner/merchant/onboard
 */
export const createApiGccV2PartnerMerchantOnboard = async (args: CreateApiGccV2PartnerMerchantOnboardArgs, options?: CreateApiGccV2PartnerMerchantOnboardOptions) => {
const {baseUrl = "https://api.onboard.payglocal.in", fetch: fetchFn = fetch, ApiKeyAuth, DigestAuth} = options ?? {}

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

if (ApiKeyAuth !== undefined) headers.set("x-gl-auth", ApiKeyAuth)
if (DigestAuth !== undefined) headers.set("x-gl-digest", DigestAuth)

const url = `${baseUrl.replace(/\/+$/, '')}/gcc/v2/partner/merchant/onboard${query.size > 0 ? `?${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(commonSuccessResponse, await res.json())
};