import {z} from 'zod'

export type MaskDimensions = {heightPct: number, widthPct: number};

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

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

export type AddClipMaskRequest = {dimensions: MaskDimensions, durationMs: number, intensity?: number | undefined, point: MaskPoint, startTimeMs: number, transition?: TransitionStyle | undefined};

export type CreateApiV1VideosIdClipsClipIdHighlightsArgs = {id: string, clipId: string, body: AddClipMaskRequest};

export type CreateApiV1VideosIdClipsClipIdHighlightsOptions = {baseUrl?: string | undefined, BearerAuth?: string | undefined, fetch?: typeof fetch | undefined};

export const maskDimensionsOutput = z.object({heightPct: z.number().gte(0).lte(100), widthPct: z.number().gte(0).lte(100)});

export const maskPointOutput = 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 clipMask = z.object({dimensions: maskDimensionsOutput, durationMs: z.number().gte(0), id: z.string(), intensity: z.number().gte(0).lte(1), point: maskPointOutput, startTimeMs: z.number().gte(0), transition: transitionStyle, type: z.enum(["blur", "highlight"])});

export const clipMaskResponse = z.object({mask: clipMask});

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
};

/**
 * Add a highlight to a clip
 * 
 * POST /v1/videos/{id}/clips/{clipId}/highlights
 */
export const createApiV1VideosIdClipsClipIdHighlights = async (args: CreateApiV1VideosIdClipsClipIdHighlightsArgs, options?: CreateApiV1VideosIdClipsClipIdHighlightsOptions) => {
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))}/highlights${query.size > 0 ? `?${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(clipMaskResponse, await res.json())
};