import {z} from 'zod'

export type TaskReference = {referenceType: 'account' | 'quickQuote' | 'quote' | 'policy' | 'transaction' | 'invoice' | 'underwritingFlag' | 'payment' | 'quoteGroup' | 'inquiry', referenceLocator: unknown};

export type UnderwritingTaskCreateRequest = {type: string, references: Array<TaskReference>, underwritingFlagLocators: Array<unknown>, deadlineTime?: string | undefined, assignedTo?: string | undefined, description?: string | undefined, workgroupToBeAssignedLocator?: unknown | undefined, source?: string | undefined, tag?: string | undefined, labels: Array<string>};

export type UnderwritingFlagCreateRequest = {level: 'info' | 'block' | 'decline' | 'reject' | 'approve', note: string, tag: string, elementLocator: unknown, taskCreation: UnderwritingTaskCreateRequest};

export type UnderwritingFlagsUpdateRequest = {addFlags: Array<UnderwritingFlagCreateRequest>, clearFlags: Array<unknown>};

export type PatchApiPolicyTenantLocatorTransactionsLocatorUnderwritingFlagsArgs = {tenantLocator: string, locator: unknown, body: UnderwritingFlagsUpdateRequest};

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

export const taskCreationResponse = z.object({taskLocator: z.string(), status: z.enum(["succeeded", "failed"])});

export const underwritingFlagResponse = z.object({locator: z.string(), level: z.enum(["info", "block", "decline", "reject", "approve"]), referenceType: z.enum(["quote", "transaction"]), referenceLocator: z.string(), note: z.string(), tag: z.string(), elementLocator: z.string().optional(), createdBy: z.string(), createdTime: z.string(), clearedBy: z.string(), clearedTime: z.string(), taskCreationResponse: taskCreationResponse});

export const transactionUnderwritingFlagsResponse = z.object({transactionLocator: z.string(), flags: z.array(underwritingFlagResponse), clearedFlags: z.array(underwritingFlagResponse)});

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
};

/**
 * PATCH /policy/{tenantLocator}/transactions/{locator}/underwritingFlags
 */
export const patchApiPolicyTenantLocatorTransactionsLocatorUnderwritingFlags = async (args: PatchApiPolicyTenantLocatorTransactionsLocatorUnderwritingFlagsArgs, options: PatchApiPolicyTenantLocatorTransactionsLocatorUnderwritingFlagsOptions) => {
const {baseUrl, 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 = `${baseUrl.replace(/\/+$/, '')}/policy/${encodeURIComponent(String(args.tenantLocator))}/transactions/${encodeURIComponent(String(args.locator))}/underwritingFlags${query.size > 0 ? `?${query}` : ''}`

const res = await fetchFn(url, {method: "PATCH", 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(transactionUnderwritingFlagsResponse, await res.json())
};