import {z} from 'zod'

export type GFECreateRequest = {patientId: string, locationId: string, appointmentTime: string, requestedTreatments: Array<string>, patientEmail?: (string | null) | undefined, patientPhone?: (string | null) | undefined};

export type CreateApiSpakinectGfeArgs = {TENANT: string, 'API-KEY': string, body: GFECreateRequest};

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

export const gFEStatus = z.enum(["Processing", "Pending Review", "Approved", "Rejected", "Completed", "Cancelled", "Cancelled by client"]);

export const patientDetails = z.object({name: z.string().nullable().optional(), first_name: z.string(), last_name: z.string(), email: z.string(), phone: z.string().nullable().optional()});

export const documentType = z.enum(["LAB", "PHARMACY", "IMAGE", "REPORT", "OTHER", "CONSENT", "NOTE_UPLOAD"]);

export const documentSummary = z.object({id: z.string(), patientId: z.string(), filePath: z.string(), fileType: z.string(), title: z.string(), summary: z.string().nullable(), docType: documentType, signatureUrl: z.string().nullable()});

export const gFEDetail = z.object({id: z.string(), patientId: z.string(), spakinectGfeId: z.string(), createdDate: z.string(), updatedDate: z.string().nullable().optional(), status: gFEStatus, requestedTreatments: z.array(z.string()), patientDetails: patientDetails, document: documentSummary.nullable().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 Gfe Request
 * 
 * POST /spakinect/gfe
 */
export const createApiSpakinectGfe = async (args: CreateApiSpakinectGfeArgs, options: CreateApiSpakinectGfeOptions) => {
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")

if (args.TENANT != null) headers.set("TENANT", String(args.TENANT))
if (args['API-KEY'] != null) headers.set("API-KEY", String(args['API-KEY']))

const url = `${baseUrl.replace(/\/+$/, '')}/spakinect/gfe${query.size > 0 ? `?${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(gFEDetail, await res.json())
};