import {z} from 'zod'

export type GetApiV1AiAgentsTasksTaskIdArgs = {taskId: string};

export type GetApiV1AiAgentsTasksTaskIdOptions = {baseUrl?: string | undefined, bearerAuth?: string | undefined, fetch?: typeof fetch | undefined};

export const dataEngineerAgentConfig = z.object({name: z.string().min(1), environmentName: z.string().min(1), generateBranch: z.boolean().optional(), graphId: z.string().nullable().optional(), mode: z.enum(["PLAN", "ACT"]), projectId: z.string(), sourceBranchName: z.string().min(1), targetBranchName: z.string().nullable().optional(), workingDirectory: z.string().nullable().optional()});

export const allowedTool = z.object({toolName: z.string().min(1)});

export const permissionMessage = z.object({body: z.string().optional(), title: z.string().optional()});

export const jsonNode = z.unknown();

export const pendingPermission = z.object({permissionMessage: permissionMessage.optional(), toolId: z.string().optional(), toolInput: jsonNode.optional(), toolName: z.string().optional(), type: z.enum(["tool", "question"]).optional()});

export const getTaskResponse = z.object({agentConfig: dataEngineerAgentConfig.optional(), createdAt: z.string().optional(), description: z.string().optional(), grantedPermissions: z.array(allowedTool).optional(), modifiedAt: z.string().optional(), pendingDecisions: z.array(pendingPermission).optional(), status: z.enum(["RUNNING", "STOPPED", "STOPPING", "ERRORED"]).optional(), taskId: z.string().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
};

/**
 * Get an AI Agent Task
 * 
 * GET /v1/ai/agents/tasks/{taskId}
 */
export const getApiV1AiAgentsTasksTaskId = async (args: GetApiV1AiAgentsTasksTaskIdArgs, options?: GetApiV1AiAgentsTasksTaskIdOptions) => {
const {baseUrl = "https://eu1.api.matillion.com/dpc", 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 = `${baseUrl.replace(/\/+$/, '')}/v1/ai/agents/tasks/${encodeURIComponent(String(args.taskId))}${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(getTaskResponse, await res.json())
};