import {z} from 'zod'

export type GetApiV1MattersMatterIdArgs = {matterId: string, view?: ('VIEW_UNSPECIFIED' | 'BASIC' | 'FULL') | undefined};

export type GetApiV1MattersMatterIdOptions = {baseUrl?: string | undefined, Oauth2?: string | undefined, Oauth2c?: string | undefined, fetch?: typeof fetch | undefined};

export const matterPermission = z.object({accountId: z.string().optional(), role: z.enum(["ROLE_UNSPECIFIED", "COLLABORATOR", "OWNER"]).optional()});

export const matter = z.object({description: z.string().optional(), matterId: z.string().optional(), matterPermissions: z.array(matterPermission).optional(), matterRegion: z.enum(["MATTER_REGION_UNSPECIFIED", "ANY", "US", "EUROPE"]).optional(), name: z.string().optional(), state: z.enum(["STATE_UNSPECIFIED", "OPEN", "CLOSED", "DELETED"]).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
};

/**
 * Gets the specified matter.
 * 
 * GET /v1/matters/{matterId}
 * 
 * Also accepts auth: Oauth2 + Oauth2c
 */
export const getApiV1MattersMatterId = async (args: GetApiV1MattersMatterIdArgs, options?: GetApiV1MattersMatterIdOptions) => {
const {baseUrl = "https://vault.googleapis.com", fetch: fetchFn = fetch, Oauth2, Oauth2c} = options ?? {}

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

if (args.view != null) query.append("view", String(args.view))
if (Oauth2 !== undefined) headers.set('authorization', `Bearer ${Oauth2}`)
if (Oauth2c !== undefined) headers.set('authorization', `Bearer ${Oauth2c}`)

const url = `${baseUrl.replace(/\/+$/, '')}/v1/matters/${encodeURIComponent(String(args.matterId))}${query.size > 0 ? `?${query}` : ''}`

const res = await fetchFn(url, {method: "GET", headers})

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

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