import {z} from 'zod'

export type PageSize = number;

export type PageCursor = string;

export type TestStatus = 'OK' | 'DEACTIVATED' | 'NEEDS_ATTENTION' | 'IN_PROGRESS' | 'INVALID' | 'NOT_APPLICABLE';

export type TestCategory = 'ACCOUNTS_ACCESS' | 'ACCOUNT_SECURITY' | 'ACCOUNT_SETUP' | 'COMPUTERS' | 'CUSTOM' | 'DATA_STORAGE' | 'EMPLOYEES' | 'INFRASTRUCTURE' | 'IT' | 'LOGGING' | 'MONITORING_ALERTS' | 'PEOPLE' | 'POLICIES' | 'RISK_ANALYSIS' | 'SECURITY_ALERT_MANAGEMENT' | 'SOFTWARE_DEVELOPMENT' | 'VENDORS' | 'VULNERABILITY_MANAGEMENT';

export type GetApiTestsArgs = {pageSize?: PageSize | undefined, pageCursor?: PageCursor | undefined, statusFilter?: TestStatus | undefined, frameworkFilter?: string | undefined, integrationFilter?: string | undefined, controlFilter?: string | undefined, ownerFilter?: string | undefined, categoryFilter?: TestCategory | undefined, isInRollout?: boolean | undefined};

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

export const documentAndTestCategory = z.enum(["Accounts access", "Account security", "Account setup", "Computers", "Custom", "Data storage", "Employees", "Infrastructure", "IT", "Logging", "Monitoring alerts", "People", "Policies", "Risk analysis", "Software development", "CSPM alert management", "Vendors", "Vulnerability management"]);

export const testStatus = z.enum(["OK", "DEACTIVATED", "NEEDS_ATTENTION", "IN_PROGRESS", "INVALID", "NOT_APPLICABLE"]);

export const deactivatedStatusInfo = z.object({isDeactivated: z.boolean(), deactivatedReason: z.string().nullable(), lastUpdatedDate: z.string().nullable()});

export const testRemediationStatus = z.enum(["DISABLED", "DUE_SOON", "INVALID", "IN_PROGRESS", "NA", "NEEDS_WORK", "OVERDUE", "PASS"]);

export const remediationStatusInfo = z.object({status: testRemediationStatus, soonestRemediateByDate: z.string().nullable(), itemCount: z.number()});

export const owner = z.object({id: z.string(), displayName: z.string(), emailAddress: z.string()});

export const test = z.object({id: z.string(), name: z.string(), lastTestRunDate: z.string(), latestFlipDate: z.string().nullable(), description: z.string(), failureDescription: z.string(), remediationDescription: z.string(), version: z.object({minor: z.number(), major: z.number()}), category: documentAndTestCategory, integrations: z.array(z.string()), status: testStatus, deactivatedStatusInfo: deactivatedStatusInfo, remediationStatusInfo: remediationStatusInfo, owner: owner.nullable()});

export const pageInfo = z.object({endCursor: z.string().nullable(), hasNextPage: z.boolean(), hasPreviousPage: z.boolean(), startCursor: z.string().nullable()});

export const paginatedResponseTest = z.object({results: z.object({data: z.array(test), pageInfo: pageInfo})});

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
};

/**
 * List tests
 * 
 * GET /tests
 */
export const getApiTests = async (args: GetApiTestsArgs, options?: GetApiTestsOptions) => {
const {baseUrl = "https://api.vanta.com", fetch: fetchFn = fetch, bearerAuth} = options ?? {}

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

if (args.pageSize != null) query.append("pageSize", String(args.pageSize))
if (args.pageCursor != null) query.append("pageCursor", String(args.pageCursor))
if (args.statusFilter != null) query.append("statusFilter", String(args.statusFilter))
if (args.frameworkFilter != null) query.append("frameworkFilter", String(args.frameworkFilter))
if (args.integrationFilter != null) query.append("integrationFilter", String(args.integrationFilter))
if (args.controlFilter != null) query.append("controlFilter", String(args.controlFilter))
if (args.ownerFilter != null) query.append("ownerFilter", String(args.ownerFilter))
if (args.categoryFilter != null) query.append("categoryFilter", String(args.categoryFilter))
if (args.isInRollout != null) query.append("isInRollout", String(args.isInRollout))
if (bearerAuth !== undefined) headers.set('authorization', `Bearer ${bearerAuth}`)

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