import {z} from 'zod'

export type GetApiV1SessionsArgs = {limit?: number | undefined, offset?: number | undefined, skip?: (number | null) | undefined, tags?: (Array<string> | null) | undefined, user_email?: (string | null) | undefined};

export type GetApiV1SessionsOptions = {baseUrl: string, bearerAuth?: string | undefined, fetch?: typeof fetch | undefined};

export const pullRequestInfo = z.object({url: z.string()});

export const sessionSummary = z.object({created_at: z.string(), playbook_id: z.string().nullable().optional(), pull_request: pullRequestInfo.nullable().optional(), requesting_user_email: z.string().nullable().optional(), session_id: z.string(), snapshot_id: z.string().nullable().optional(), status: z.string(), status_enum: z.enum(["working", "blocked", "expired", "finished", "suspend_requested", "suspend_requested_frontend", "resume_requested", "resume_requested_frontend", "resumed"]).nullable().optional(), structured_output: z.unknown(), tags: z.array(z.string()).nullable().optional(), title: z.string().nullable().optional(), updated_at: z.string()});

export const listSessionsResponse = z.object({sessions: z.array(sessionSummary)});

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 sessions
 * 
 * GET /v1/sessions
 */
export const getApiV1Sessions = async (args: GetApiV1SessionsArgs, options: GetApiV1SessionsOptions) => {
const {baseUrl, fetch: fetchFn = fetch, bearerAuth} = options ?? {}

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

if (args.limit != null) query.append("limit", String(args.limit))
if (args.offset != null) query.append("offset", String(args.offset))
if (args.skip != null) query.append("skip", String(args.skip))
for (const item of args.tags ?? []) query.append("tags", String(item))
if (args.user_email != null) query.append("user_email", String(args.user_email))
if (bearerAuth !== undefined) headers.set('authorization', `Bearer ${bearerAuth}`)

const url = `${baseUrl.replace(/\/+$/, '')}/v1/sessions${query.size > 0 ? `?${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(listSessionsResponse, await res.json())
};