import {z} from 'zod'

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

export const draftCommit = z.object({id: z.string(), draft_branch_id: z.string(), source_branch_id: z.string(), source_branch_name: z.string(), title: z.string().optional(), review_id: z.string().nullable().optional(), status: z.enum(["open", "closed"]), created_timestamp: z.number().int(), updated_timestamp: z.number().int()});

export const listDraftCommitsResponse = z.object({items: z.array(draftCommit).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
};

/**
 * List draft commits
 * 
 * GET /repos/{repo_id}/draft-commits
 */
export const getApiReposRepoIdDraftCommits = async (options?: GetApiReposRepoIdDraftCommitsOptions) => {
const {baseUrl = "https://api.diversion.dev/v0", fetch: fetchFn = fetch, OAuth2} = options ?? {}

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

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

const url = `${baseUrl.replace(/\/+$/, '')}/repos/${encodeURIComponent(String(args.repo_id))}/draft-commits${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(listDraftCommitsResponse, await res.json())
};