import {z} from 'zod'

export type GetApiAgentsAgentIdConversationsArgs = {limit?: number | undefined, cursor?: string | undefined, userIdentifier?: string | undefined, userContext?: ({[key: string]: string | number | boolean}) | undefined, agentId: string};

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

export const conversationListItem = z.object({id: z.string(), title: z.string().nullable(), createdAt: z.string(), userIdentifier: z.string().nullable().optional(), userContext: z.record(z.string(), z.union([z.string(), z.number(), z.boolean()])).nullable()});

export const conversationsPage = z.object({items: z.array(conversationListItem), nextCursor: 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
};

/**
 * List conversations
 * 
 * GET /agents/{agentId}/conversations
 */
export const getApiAgentsAgentIdConversations = async (args: GetApiAgentsAgentIdConversationsArgs, options?: GetApiAgentsAgentIdConversationsOptions) => {
const {baseUrl = "https://app.inconvo.ai/api/v1", fetch: fetchFn = fetch, bearerAuth} = options ?? {}

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

if (args.limit != null) query.append("limit", String(args.limit))
if (args.cursor != null) query.append("cursor", String(args.cursor))
if (args.userIdentifier != null) query.append("userIdentifier", String(args.userIdentifier))
if (args.userContext != null) query.append("userContext", JSON.stringify(args.userContext))
if (bearerAuth !== undefined) headers.set('authorization', `Bearer ${bearerAuth}`)

const url = `${baseUrl.replace(/\/+$/, '')}/agents/${encodeURIComponent(String(args.agentId))}/conversations${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(conversationsPage, await res.json())
};