import {z} from 'zod'

export type CreateApiApiV1FilesAttachArgs = {body: {attachments: Array<{fileIds: Array<string>, entities: Array<{entityType: 'person' | 'company' | 'project', entityId: string}>, type?: ('resume' | 'passport' | 'rightToWork' | 'insurance' | 'brandedResume' | 'incorporation' | 'other') | undefined, name?: string | undefined}>}};

export type CreateApiApiV1FilesAttachOptions = {baseUrl: string, BearerAuth?: string | undefined, fetch?: typeof fetch | undefined};

export const createApiApiV1FilesAttachResponse = z.object({status: z.literal("ok"), data: z.object({results: z.array(z.object({fileId: z.string(), entityType: z.enum(["person", "company", "project"]), entityId: z.string(), status: z.enum(["attached", "skipped"]), reason: z.string().optional(), type: z.string(), name: z.string()}))})});

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
};

/**
 * Attach files to entities
 * 
 * POST /api/v1/files/attach
 */
export const createApiApiV1FilesAttach = async (args: CreateApiApiV1FilesAttachArgs, options: CreateApiApiV1FilesAttachOptions) => {
const {baseUrl, 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 = `${baseUrl.replace(/\/+$/, '')}/api/v1/files/attach${query.size > 0 ? `?${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(createApiApiV1FilesAttachResponse, await res.json())
};