import {z} from 'zod'

export type GetApiApprovalsArgs = {status?: ('pending' | 'approved' | 'rejected' | 'expired' | 'cancelled' | null) | undefined, source_type?: (string | null) | undefined, approval_type?: ('required' | 'audit' | null) | undefined, pause_type?: (string | null) | undefined, agent_id?: (string | null) | undefined, team_id?: (string | null) | undefined, workflow_id?: (string | null) | undefined, user_id?: (string | null) | undefined, schedule_id?: (string | null) | undefined, run_id?: (string | null) | undefined, limit?: number | undefined, page?: number | undefined};

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

export const runStatus = z.enum(["PENDING", "RUNNING", "COMPLETED", "PAUSED", "CANCELLED", "ERROR", "REGENERATED"]);

export const approvalResponse = z.object({id: z.string(), run_id: z.string(), session_id: z.string(), status: z.string(), source_type: z.string(), approval_type: z.string().nullable().optional(), pause_type: z.string().nullable().optional(), tool_name: z.string().nullable().optional(), tool_args: z.record(z.string(), z.unknown()).nullable().optional(), expires_at: z.number().int().nullable().optional(), agent_id: z.string().nullable().optional(), team_id: z.string().nullable().optional(), workflow_id: z.string().nullable().optional(), user_id: z.string().nullable().optional(), schedule_id: z.string().nullable().optional(), schedule_run_id: z.string().nullable().optional(), source_name: z.string().nullable().optional(), requirements: z.array(z.record(z.string(), z.unknown())).nullable().optional(), context: z.record(z.string(), z.unknown()).nullable().optional(), resolution_data: z.record(z.string(), z.unknown()).nullable().optional(), resolved_by: z.string().nullable().optional(), resolved_at: z.number().int().nullable().optional(), created_at: z.number().int().nullable().optional(), updated_at: z.number().int().nullable().optional(), run_status: runStatus.nullable().optional()});

export const paginationInfo = z.object({page: z.number().int().gte(0).optional(), limit: z.number().int().gte(1).optional(), total_pages: z.number().int().gte(0).optional(), total_count: z.number().int().gte(0).optional(), search_time_ms: z.number().gte(0).optional()});

export const paginatedResponseApprovalResponse = z.object({data: z.array(approvalResponse), meta: paginationInfo});

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 Approvals
 * 
 * GET /approvals
 */
export const getApiApprovals = async (args: GetApiApprovalsArgs, options: GetApiApprovalsOptions) => {
const {baseUrl, fetch: fetchFn = fetch, HTTPBearer} = options ?? {}

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

if (args.status != null) query.append("status", String(args.status))
if (args.source_type != null) query.append("source_type", String(args.source_type))
if (args.approval_type != null) query.append("approval_type", String(args.approval_type))
if (args.pause_type != null) query.append("pause_type", String(args.pause_type))
if (args.agent_id != null) query.append("agent_id", String(args.agent_id))
if (args.team_id != null) query.append("team_id", String(args.team_id))
if (args.workflow_id != null) query.append("workflow_id", String(args.workflow_id))
if (args.user_id != null) query.append("user_id", String(args.user_id))
if (args.schedule_id != null) query.append("schedule_id", String(args.schedule_id))
if (args.run_id != null) query.append("run_id", String(args.run_id))
if (args.limit != null) query.append("limit", String(args.limit))
if (args.page != null) query.append("page", String(args.page))
if (HTTPBearer !== undefined) headers.set('authorization', `Bearer ${HTTPBearer}`)

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