import {z} from 'zod'

export type CreateBranchRepoOption = {new_branch_name: string, old_branch_name?: string | undefined, old_ref_name?: string | undefined};

export type CreateApiReposOwnerRepoBranchesArgs = {owner: string, repo: string, body: CreateBranchRepoOption};

export type CreateApiReposOwnerRepoBranchesOptions = {baseUrl: string, BasicAuth?: {username: string, password: string} | undefined, fetch?: typeof fetch | undefined};

export const payloadUser = z.object({email: z.string().optional(), name: z.string().optional(), username: z.string().optional()});

export const payloadCommitVerification = z.object({payload: z.string().optional(), reason: z.string().optional(), signature: z.string().optional(), signer: payloadUser.optional(), verified: z.boolean().optional()});

export const payloadCommit = z.object({added: z.array(z.string()).optional(), author: payloadUser.optional(), committer: payloadUser.optional(), id: z.string().optional(), message: z.string().optional(), modified: z.array(z.string()).optional(), removed: z.array(z.string()).optional(), timestamp: z.string().optional(), url: z.string().optional(), verification: payloadCommitVerification.optional()});

export const branch = z.object({commit: payloadCommit.optional(), effective_branch_protection_name: z.string().optional(), enable_status_check: z.boolean().optional(), name: z.string().optional(), protected: z.boolean().optional(), required_approvals: z.number().int().optional(), status_check_contexts: z.array(z.string()).optional(), user_can_merge: z.boolean().optional(), user_can_push: z.boolean().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
};

/**
 * Create a branch
 * 
 * POST /repos/{owner}/{repo}/branches
 * 
 * Also accepts auth: Token, AccessToken, AuthorizationHeaderToken, SudoParam, SudoHeader, TOTPHeader
 */
export const createApiReposOwnerRepoBranches = async (args: CreateApiReposOwnerRepoBranchesArgs, options: CreateApiReposOwnerRepoBranchesOptions) => {
const {baseUrl, fetch: fetchFn = fetch, BasicAuth} = options ?? {}

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

if (BasicAuth !== undefined) headers.set('authorization', `Basic ${btoa(`${BasicAuth.username}:${BasicAuth.password}`)}`)

const url = `${baseUrl.replace(/\/+$/, '')}/repos/${encodeURIComponent(String(args.owner))}/${encodeURIComponent(String(args.repo))}/branches${query.size > 0 ? `?${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(branch, await res.json())
};