import {z} from 'zod'

export type CreateApiV3PageSpeedRunPreviewArgs = {body: {teamId?: string | undefined, auditId: string, selection?: ({mode: 'ids', ids: Array<string>} | {mode: 'all', filters: {search?: string | undefined, excluded?: ('all' | 'included' | 'excluded') | undefined, omitUrls?: Array<string> | undefined, issueIds?: Array<string> | undefined, geoAudited?: boolean | undefined}, excludedIds: Array<string>}) | undefined, targets?: (Array<{url: string, auditId?: string | undefined}>) | undefined, strategies?: (Array<'mobile' | 'desktop'>) | undefined, allPages?: boolean | undefined, force?: boolean | undefined}};

export type CreateApiV3PageSpeedRunPreviewOptions = {baseUrl?: string | undefined, bearerAuth?: string | undefined, fetch?: typeof fetch | undefined};

export const createApiV3PageSpeedRunPreviewResponse = z.object({eligibility: z.object({selected: z.number(), eligible: z.number(), skipped: z.number(), byReason: z.record(z.string(), z.number())}).optional(), units: z.number().optional(), status: z.string().optional(), message: z.string().optional(), url: z.string().optional(), mobile: z.object({url: z.string().optional(), scores: z.object({performance: z.number().nullable().optional(), accessibility: z.number().nullable().optional(), bestPractices: z.number().nullable().optional(), seo: z.number().nullable().optional()}).and(z.record(z.string(), z.unknown())).optional(), fetchedAt: z.string().nullable().optional(), coreWebVitals: z.record(z.string(), z.unknown()).optional(), agenticBrowsing: z.record(z.string(), z.unknown()).optional(), failedAudits: z.array(z.record(z.string(), z.unknown())).optional(), informativeAudits: z.array(z.record(z.string(), z.unknown())).optional(), passedAudits: z.array(z.record(z.string(), z.unknown())).optional(), notApplicableAudits: z.array(z.record(z.string(), z.unknown())).optional(), manualAudits: z.array(z.record(z.string(), z.unknown())).optional()}).and(z.record(z.string(), z.unknown())).nullable().optional(), desktop: z.object({url: z.string().optional(), scores: z.object({performance: z.number().nullable().optional(), accessibility: z.number().nullable().optional(), bestPractices: z.number().nullable().optional(), seo: z.number().nullable().optional()}).and(z.record(z.string(), z.unknown())).optional(), fetchedAt: z.string().nullable().optional(), coreWebVitals: z.record(z.string(), z.unknown()).optional(), agenticBrowsing: z.record(z.string(), z.unknown()).optional(), failedAudits: z.array(z.record(z.string(), z.unknown())).optional(), informativeAudits: z.array(z.record(z.string(), z.unknown())).optional(), passedAudits: z.array(z.record(z.string(), z.unknown())).optional(), notApplicableAudits: z.array(z.record(z.string(), z.unknown())).optional(), manualAudits: z.array(z.record(z.string(), z.unknown())).optional()}).and(z.record(z.string(), z.unknown())).nullable().optional(), fetchedAt: z.string().nullable().optional(), mobileError: z.string().nullable().optional(), desktopError: z.string().nullable().optional()}).and(z.record(z.string(), z.unknown()));

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
};

/**
 * Preview a PageSpeed audit
 * 
 * POST /v3/page-speed/run-preview
 * 
 * Also accepts auth: apiKey
 */
export const createApiV3PageSpeedRunPreview = async (args: CreateApiV3PageSpeedRunPreviewArgs, options?: CreateApiV3PageSpeedRunPreviewOptions) => {
const {baseUrl = "https://api.snowseo.com", fetch: fetchFn = fetch, bearerAuth} = options ?? {}

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

if (bearerAuth !== undefined) headers.set('authorization', `Bearer ${bearerAuth}`)

const url = `${baseUrl.replace(/\/+$/, '')}/v3/page-speed/run-preview${query.size > 0 ? `?${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(createApiV3PageSpeedRunPreviewResponse, await res.json())
};