import {z} from 'zod'

export type GetApiV1InstallsInstallSidReportsChurnArgs = {installSid: string, courseTitle?: string | undefined, examTitle?: string | undefined, email?: string | undefined, firstName?: string | undefined, lastName?: string | undefined, examOpenDate?: string | undefined, examCloseDate?: string | undefined, courseOfferingSid?: string | undefined, hasCancelled?: boolean | undefined, hasClosed?: boolean | undefined, currentStatus?: (Array<'Needs Proctor' | 'Closed' | 'Scheduled'>) | undefined, offset?: number | undefined, limit?: number | undefined, sortKeys?: (Array<'courseTitle' | 'examTitle' | 'createdDate'>) | undefined, sortOrder?: ('ASC' | 'DESC') | undefined};

export type GetApiV1InstallsInstallSidReportsChurnOptions = {baseUrl?: string | undefined, client?: string | undefined, fetch?: typeof fetch | undefined};

export const churnReportItem = z.object({courseTitle: z.string().nullable().optional(), examSid: z.string().nullable().optional(), examTitle: z.string().nullable().optional(), examType: z.string().nullable().optional(), userSid: z.string().nullable().optional(), enrollmentSid: z.string().nullable().optional(), firstName: z.string().nullable().optional(), lastName: z.string().nullable().optional(), email: z.string().nullable().optional(), preferredEmail: z.string().nullable().optional(), homePhone: z.string().nullable().optional(), mobilePhone: z.string().nullable().optional(), currentSessionSid: z.string().nullable().optional(), currentStatus: z.string().nullable().optional(), cancelled: z.boolean().nullable().optional(), closed: z.boolean().nullable().optional()});

export const model23 = z.array(churnReportItem);

export const churnReportResponse = z.object({total: z.number().nullable().optional(), first: z.string().nullable().optional(), next: z.string().nullable().optional(), prev: z.string().nullable().optional(), last: z.string().nullable().optional(), count: z.number().nullable().optional(), offset: z.number().nullable().optional(), results: model23.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
};

/**
 * Churn Report
 * 
 * GET /v1/installs/{installSid}/reports/churn
 */
export const getApiV1InstallsInstallSidReportsChurn = async (args: GetApiV1InstallsInstallSidReportsChurnArgs, options?: GetApiV1InstallsInstallSidReportsChurnOptions) => {
const {baseUrl = "https://api.smarterproctoring.com", fetch: fetchFn = fetch, client} = options ?? {}

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

if (args.courseTitle != null) query.append("courseTitle", String(args.courseTitle))
if (args.examTitle != null) query.append("examTitle", String(args.examTitle))
if (args.email != null) query.append("email", String(args.email))
if (args.firstName != null) query.append("firstName", String(args.firstName))
if (args.lastName != null) query.append("lastName", String(args.lastName))
if (args.examOpenDate != null) query.append("examOpenDate", String(args.examOpenDate))
if (args.examCloseDate != null) query.append("examCloseDate", String(args.examCloseDate))
if (args.courseOfferingSid != null) query.append("courseOfferingSid", String(args.courseOfferingSid))
if (args.hasCancelled != null) query.append("hasCancelled", String(args.hasCancelled))
if (args.hasClosed != null) query.append("hasClosed", String(args.hasClosed))
for (const item of args.currentStatus ?? []) query.append("currentStatus", String(item))
if (args.offset != null) query.append("offset", String(args.offset))
if (args.limit != null) query.append("limit", String(args.limit))
for (const item of args.sortKeys ?? []) query.append("sortKeys", String(item))
if (args.sortOrder != null) query.append("sortOrder", String(args.sortOrder))
if (client !== undefined) headers.set("token", client)

const url = `${baseUrl.replace(/\/+$/, '')}/v1/installs/${encodeURIComponent(String(args.installSid))}/reports/churn${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(churnReportResponse, await res.json())
};