import {z} from 'zod'

export type GetApiV2ProviderActionsIdCaseOptions = {baseUrl?: string | undefined, bearerAuth?: string | undefined, fetch?: typeof fetch | undefined};

export const getApiV2ProviderActionsIdCaseResponse = z.object({schemaVersion: z.literal("steward.provider-case-manifest.v1"), caseId: z.string(), tenantId: z.string(), workspaceId: z.string(), requestActor: z.object({type: z.literal("agent"), id: z.string(), revision: z.number().int()}), approvalActor: z.object({type: z.literal("user"), id: z.string()}).nullable(), resumeActor: z.enum(["steward-system", "null"]).nullable(), providerAccount: z.object({id: z.string(), revision: z.number().int()}), operation: z.object({id: z.string(), key: z.string(), revision: z.number().int(), canonicalProfile: z.string(), riskClass: z.string()}), actionDigest: z.string(), requestHash: z.string(), idempotencyKeyHash: z.string(), accessDecision: z.object({id: z.string(), hash: z.string(), effect: z.enum(["allow", "deny"])}), policyDecision: z.object({id: z.string().nullable(), hash: z.string().nullable(), effect: z.string()}), approvalCommitmentHash: z.string().nullable(), execution: z.record(z.string(), z.unknown()).nullable(), dependencyRevisions: z.record(z.string(), z.unknown()), events: z.array(z.object({seq: z.number().int(), action: z.string(), role: z.string(), hmac: z.string()})), eventSeqRange: z.record(z.string(), z.unknown()).nullable(), terminalState: z.string(), completeness: z.enum(["complete", "incomplete", "unknown"]), missingRequiredRoles: z.array(z.string()), incompletenessReasons: z.array(z.string()), safeSummary: z.record(z.string(), z.unknown()).nullable(), genesisAt: z.string().nullable(), terminalAt: z.string().nullable(), assembledAt: 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
};

/**
 * Get a provider-action case manifest
 * 
 * GET /v2/provider-actions/{id}/case
 */
export const getApiV2ProviderActionsIdCase = async (options?: GetApiV2ProviderActionsIdCaseOptions) => {
const {baseUrl = "http://localhost:3200", fetch: fetchFn = fetch, bearerAuth} = options ?? {}

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

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

const url = `${baseUrl.replace(/\/+$/, '')}/v2/provider-actions/${encodeURIComponent(String(args.id))}/case${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(getApiV2ProviderActionsIdCaseResponse, await res.json())
};