import {z} from 'zod'

export type SubmitDecisionBody = {decision: 'approved' | 'rejected'};

export type CreateApiAgentLoopReviewRequestsRequestIdDecisionsArgs = {request_id: string, body: SubmitDecisionBody};

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

export const priorReviewDecision = z.object({decision: z.enum(["approved", "rejected"]), decided_at: z.string()});

export const reviewRequestResponse = z.object({id: z.string(), workspace_id: z.string(), snapshot_id: z.string(), requester_id: z.string(), reviewer_id: z.string().nullable(), pending_invite_id: z.string().nullable(), message: z.string().nullable(), latest_agent_counsel_turn_id: z.string().nullable().optional(), status: z.enum(["open", "closed", "cancelled"]), state: z.enum(["pending", "in_progress", "approved", "rejected"]).nullable(), engaged_at: z.string().nullable(), decision: z.enum(["approved", "rejected"]).nullable(), decided_at: z.string().nullable(), prior_decisions: z.array(priorReviewDecision).optional(), created_at: z.string(), updated_at: z.string(), workspace_name: z.string(), requester_display_name: z.string().nullable(), reviewer_display_name: z.string().nullable()});

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
};

/**
 * Submit Review Decision
 * 
 * POST /agent-loop/review-requests/{request_id}/decisions
 */
export const createApiAgentLoopReviewRequestsRequestIdDecisions = async (args: CreateApiAgentLoopReviewRequestsRequestIdDecisionsArgs, options: CreateApiAgentLoopReviewRequestsRequestIdDecisionsOptions) => {
const {baseUrl, fetch: fetchFn = fetch, HTTPBearer} = options ?? {}

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

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

const url = `${baseUrl.replace(/\/+$/, '')}/agent-loop/review-requests/${encodeURIComponent(String(args.request_id))}/decisions${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(reviewRequestResponse, await res.json())
};