import {z} from 'zod'

export type CreateApiV1RunsArgs = {body: {type: string, business_id?: string | undefined, context_type?: string | undefined, context_id?: string | undefined, thread_id?: string | undefined}};

export type CreateApiV1RunsOptions = {baseUrl?: string | undefined, bearerAuth?: string | undefined, fetch?: typeof fetch | undefined};

export const agentsRunStatus = z.enum(["running", "completed", "error", "interrupted"]);

export const agentsRunRequester = z.object({id: z.string(), name: z.string(), email: z.string().nullable().optional()});

export const agentsSource = z.object({url: z.string(), source_name: z.string().optional(), source_tier: z.string().optional(), source_type: z.string().optional()});

export const agentsArtifact = z.object({title: z.string(), type: z.string(), confidence: z.string().nullable().optional(), summary: z.string().nullable().optional(), sources: z.array(agentsSource).optional()});

export const agentsRunOutput = z.object({artifacts: z.array(agentsArtifact)});

export const agentsRunInterruptsItem = z.object({id: z.string(), value: z.record(z.string(), z.unknown()), agent: z.string().nullable().optional()});

export const agentsStepType = z.enum(["activity", "output", "interrupt", "error"]);

export const agentsStepStatus = z.enum(["running", "completed", "error"]);

export const agentsStepResultResolution = z.enum(["auto_approve", "skip"]);

export const agentsStepResult = z.object({resolution: agentsStepResultResolution.optional()});

export const agentsStep: z.ZodType<AgentsStep> = z.object({id: z.string(), run_id: z.string(), agent: z.string().optional(), type: agentsStepType, name: z.string(), label: z.string(), parent_step_id: z.string().nullable().optional(), status: agentsStepStatus, started_at: z.string(), completed_at: z.string().nullable().optional(), steps: z.array(z.lazy(() => agentsStep)).optional(), result: agentsStepResult.optional(), artifacts: z.array(agentsArtifact).optional()});

export const agentsRun = z.object({object: z.string(), id: z.string(), created_at: z.string(), updated_at: z.string(), status: agentsRunStatus, thread_id: z.string().optional(), business_id: z.string().nullable().optional(), agent: z.string().optional(), requester: agentsRunRequester.nullable().optional(), started_at: z.string().nullable().optional(), ended_at: z.string().nullable().optional(), output: agentsRunOutput.nullable().optional(), interrupts: z.array(agentsRunInterruptsItem).optional(), steps: z.array(agentsStep).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
};

/**
 * Create an agent run
 * 
 * POST /v1/runs
 */
export const createApiV1Runs = async (args: CreateApiV1RunsArgs, options?: CreateApiV1RunsOptions) => {
const {baseUrl = "https://api.middesk.com", fetch: fetchFn = fetch, bearerAuth} = options ?? {}

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

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

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