import {z} from 'zod'

export type ZoomFocusPoint = {xPct: number, yPct: number};

export type TransitionStyle = 'smooth' | 'hard_cut';

export type UpdateClipZoomRequest = {durationMs?: number | undefined, focusPoint?: ZoomFocusPoint | undefined, introTransition?: TransitionStyle | undefined, outroTransition?: TransitionStyle | undefined, scale?: number | undefined, startTimeMs?: number | undefined, type?: ('manualZoom' | 'trackingZoom') | undefined};

export type PatchApiV1VideosIdClipsClipIdZoomsZoomIdArgs = {id: string, clipId: string, zoomId: string, body: UpdateClipZoomRequest};

export type PatchApiV1VideosIdClipsClipIdZoomsZoomIdOptions = {baseUrl?: string | undefined, BearerAuth?: string | undefined, fetch?: typeof fetch | undefined};

export const zoomFocusPointOutput = z.object({xPct: z.number().gte(0).lte(100), yPct: z.number().gte(0).lte(100)});

export const transitionStyle = z.enum(["smooth", "hard_cut"]);

export const clipZoom = z.object({durationMs: z.number().gte(0), focusPoint: zoomFocusPointOutput.nullable().optional(), id: z.string(), introTransition: transitionStyle, outroTransition: transitionStyle, scale: z.number().gte(1).lte(3.5).nullable().optional(), startTimeMs: z.number().gte(0), type: z.enum(["manualZoom", "trackingZoom"])});

export const clipZoomResponse = z.object({zoom: clipZoom});

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
};

/**
 * Update a zoom
 * 
 * PATCH /v1/videos/{id}/clips/{clipId}/zooms/{zoomId}
 */
export const patchApiV1VideosIdClipsClipIdZoomsZoomId = async (args: PatchApiV1VideosIdClipsClipIdZoomsZoomIdArgs, options?: PatchApiV1VideosIdClipsClipIdZoomsZoomIdOptions) => {
const {baseUrl = "https://api.tella.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 = `${baseUrl.replace(/\/+$/, '')}/v1/videos/${encodeURIComponent(String(args.id))}/clips/${encodeURIComponent(String(args.clipId))}/zooms/${encodeURIComponent(String(args.zoomId))}${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(clipZoomResponse, await res.json())
};