import {z} from 'zod'

export type GetApiV1InstanceGroupMappingsOptions = {baseUrl: string, OAuth2AuthorizationCodeBearer?: string | undefined, fetch?: typeof fetch | undefined};

export const projectRoleDefinition = z.object({project_name: z.string(), role: z.string()});

export const organizationRoleDefinition = z.object({organization_name: z.string(), role: z.string(), project_roles: z.array(projectRoleDefinition).optional()});

export const groupOrganizationMapping = z.object({group_id: z.string(), organization_roles: z.array(organizationRoleDefinition)});

export const groupOrganizationMappingStatusRead = z.object({group_organization_mapping: z.array(groupOrganizationMapping), api_mapping_status: z.enum(["active", "overridden_by_environment"])});

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
};

/**
 * Get Group Mappings
 * 
 * GET /v1/instance/group-mappings/
 */
export const getApiV1InstanceGroupMappings = async (options: GetApiV1InstanceGroupMappingsOptions) => {
const {baseUrl, fetch: fetchFn = fetch, OAuth2AuthorizationCodeBearer} = options ?? {}

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

if (OAuth2AuthorizationCodeBearer !== undefined) headers.set('authorization', `Bearer ${OAuth2AuthorizationCodeBearer}`)

const url = `${baseUrl.replace(/\/+$/, '')}/v1/instance/group-mappings/${query.size > 0 ? `?${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(groupOrganizationMappingStatusRead, await res.json())
};