import {z} from 'zod'

export type GetApiApiCodifyReposArgs = {resourceTypes: Array<string>};

export type GetApiApiCodifyReposOptions = {baseUrl?: string | undefined, JWTAuth?: string | undefined, fetch?: typeof fetch | undefined};

export const listModuleReposResponse = z.array(z.object({key: z.object({repoFullName: z.string().optional(), vcsType: z.string().optional(), isPublic: z.boolean().optional()}).optional(), doc_count: z.number().int().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
};

/**
 * Fetches repositories
 * 
 * GET /api/codify/repos
 */
export const getApiApiCodifyRepos = async (args: GetApiApiCodifyReposArgs, options?: GetApiApiCodifyReposOptions) => {
const {baseUrl = "https://api.firefly.ai/v2", fetch: fetchFn = fetch, JWTAuth} = options ?? {}

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

for (const item of args.resourceTypes ?? []) query.append("resourceTypes", String(item))
if (JWTAuth !== undefined) headers.set('authorization', `Bearer ${JWTAuth}`)

const url = `${baseUrl.replace(/\/+$/, '')}/api/codify/repos${query.size > 0 ? `?${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(listModuleReposResponse, await res.json())
};