import {z} from 'zod'

export type CreateApiApiV1MediaArgs = {body: BodyInit};

export type CreateApiApiV1MediaOptions = {baseUrl: string, OAuth2PasswordBearer?: string | undefined, fetch?: typeof fetch | undefined};

export const mediaKind = z.enum(["image", "video"]);

export const mediaAssetVariantDTO = z.object({preset: z.string(), url: z.string(), width: z.number().int().nullable().optional(), height: z.number().int().nullable().optional()});

export const mediaAssetUsageDTO = z.object({entityType: z.string(), entityId: z.string(), field: z.string(), position: z.number().int().nullable().optional()});

export const mediaAssetDTO = z.object({id: z.string(), kind: mediaKind, filename: z.string(), url: z.string(), contentType: z.string().nullable().optional(), sizeBytes: z.number().int(), width: z.number().int().nullable().optional(), height: z.number().int().nullable().optional(), durationMs: z.number().int().nullable().optional(), lqip: z.string().nullable().optional(), folderId: z.string().nullable().optional(), originContext: z.string(), section: z.string(), tags: z.array(z.string()).optional(), isArchived: z.boolean().optional(), sourceAssetId: z.string().nullable().optional(), sourceOp: z.record(z.string(), z.unknown()).nullable().optional(), variants: z.array(mediaAssetVariantDTO).optional(), usages: z.array(mediaAssetUsageDTO).optional(), createdAt: z.string(), updatedAt: z.string().nullable().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
};

/**
 * Upload a media asset
 * 
 * POST /api/v1/media
 */
export const createApiApiV1Media = async (args: CreateApiApiV1MediaArgs, options: CreateApiApiV1MediaOptions) => {
const {baseUrl, fetch: fetchFn = fetch, OAuth2PasswordBearer} = options ?? {}

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

if (OAuth2PasswordBearer !== undefined) headers.set('authorization', `Bearer ${OAuth2PasswordBearer}`)

const url = `${baseUrl.replace(/\/+$/, '')}/api/v1/media${query.size > 0 ? `?${query}` : ''}`

const res = await fetchFn(url, {method: "POST", headers, body: args.body})

if (!res.ok) throw new Error(`Request failed with status ${res.status}`, {cause: {status: res.status, body: await res.text()}})

return validateResponse(mediaAssetDTO, await res.json())
};