import {z} from 'zod'

export type ConversationExportRequest = {export_format?: ('csv' | 'ndjson') | undefined, start: string, end: string, channel?: (string | null) | undefined, status?: (string | null) | undefined, end_user_id?: (string | null) | undefined, assigned_agent_id?: (string | null) | undefined, priority?: ('low' | 'normal' | 'high' | 'urgent' | null) | undefined, eval_filter?: ('has_evals' | 'no_evals' | 'all_passed' | 'any_failed' | null) | undefined, q?: (string | null) | undefined, from_number?: (string | null) | undefined, to_number?: (string | null) | undefined, email?: (string | null) | undefined, id?: (string | null) | undefined, external_session_id?: (string | null) | undefined};

export type CreateApiV1ConversationsExportsArgs = {body: ConversationExportRequest};

export type CreateApiV1ConversationsExportsOptions = {baseUrl: string, APIKeyHeader?: string | undefined, fetch?: typeof fetch | undefined};

export const conversationExportFile = z.object({name: z.string(), sha256_plaintext: z.string().nullable().optional(), download_token: z.string().nullable().optional()});

export const conversationExportJobResponse = z.object({id: z.string(), status: z.string(), export_format: z.string(), window_start: z.string().nullable().optional(), window_end: z.string().nullable().optional(), created_at: z.string(), started_at: z.string().nullable().optional(), finalized_at: z.string().nullable().optional(), expires_at: z.string().nullable().optional(), total_rows: z.number().int().nullable().optional(), error_code: z.string().nullable().optional(), filters: z.record(z.string(), z.unknown()).nullable().optional(), files: z.array(conversationExportFile).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
};

/**
 * Request an async encrypted conversation/session export
 * 
 * POST /v1/conversations/exports
 */
export const createApiV1ConversationsExports = async (args: CreateApiV1ConversationsExportsArgs, options: CreateApiV1ConversationsExportsOptions) => {
const {baseUrl, fetch: fetchFn = fetch, APIKeyHeader} = options ?? {}

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

if (APIKeyHeader !== undefined) headers.set("x-api-key", APIKeyHeader)

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