import {z} from 'zod'

export type FileProvenanceUpdateRequest = {data: {type: string, attributes: {is_ai_generated: boolean, is_ai_manipulated: boolean}}};

export type PatchApiDamFilesFileIdProvenanceArgs = {file_id: string, body: FileProvenanceUpdateRequest};

export type PatchApiDamFilesFileIdProvenanceOptions = {baseUrl: string, OAuth2?: string | undefined, fetch?: typeof fetch | undefined};

export const fileProvenanceAttributes = z.object({is_ai_generated: z.boolean().optional(), is_ai_manipulated: z.boolean().optional(), has_c2pa: z.boolean().optional(), source: z.enum(["MANUAL", "C2PA"]).optional(), is_editable: z.boolean().optional(), claim_generator: z.string().nullable().optional(), c2pa_created_at: z.string().nullable().optional(), version: z.number().int().optional()});

export const fileProvenance = z.object({id: z.string().optional(), type: z.string().optional(), attributes: fileProvenanceAttributes.optional()});

export const fileProvenanceResponse = z.object({data: fileProvenance.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
};

/**
 * Set a DAM file's AI provenance flags
 * 
 * PATCH /dam/files/{file_id}/provenance
 */
export const patchApiDamFilesFileIdProvenance = async (args: PatchApiDamFilesFileIdProvenanceArgs, options: PatchApiDamFilesFileIdProvenanceOptions) => {
const {baseUrl, fetch: fetchFn = fetch, OAuth2} = options ?? {}

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

if (OAuth2 !== undefined) headers.set('authorization', `Bearer ${OAuth2}`)

const url = `${baseUrl.replace(/\/+$/, '')}/dam/files/${encodeURIComponent(String(args.file_id))}/provenance${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(fileProvenanceResponse, await res.json())
};