import {z} from 'zod'

export type ChangedFile = {path: string, content: string};

export type UpdateBundle = {run_id: string, status: 'changed' | 'no_change' | 'error' | 'blocked' | 'skipped', head_sha: string, files?: Array<ChangedFile> | undefined, summary?: (string | null) | undefined, blocker?: (string | null) | undefined, error?: (string | null) | undefined};

export type CreateApiApiInternalRunsCompleteArgs = {'x-internal-secret'?: (string | null) | undefined, body: UpdateBundle};

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

export const createApiApiInternalRunsCompleteResponse = z.record(z.string(), z.string());

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
};

/**
 * Complete Run
 * 
 * POST /api/internal/runs/complete
 */
export const createApiApiInternalRunsComplete = async (args: CreateApiApiInternalRunsCompleteArgs, options: CreateApiApiInternalRunsCompleteOptions) => {
const {baseUrl, fetch: fetchFn = fetch} = options ?? {}

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

if (args['x-internal-secret'] != null) headers.set("x-internal-secret", String(args['x-internal-secret']))

const url = `${baseUrl.replace(/\/+$/, '')}/api/internal/runs/complete${query.size > 0 ? `?${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(createApiApiInternalRunsCompleteResponse, await res.json())
};