import {z} from 'zod'

export type GetApiConversationsIdMessagesArgs = {id: string, limit?: number | undefined, offset?: number | undefined};

export type GetApiConversationsIdMessagesOptions = {baseUrl?: string | undefined, BearerAuth?: string | undefined, fetch?: typeof fetch | undefined};

export const conversationMessage = z.object({object: z.literal("message").optional(), id: z.string().optional(), text: z.string().nullable().optional(), html: z.string().nullable().optional(), subject: z.string().nullable().optional(), timestamp: z.string().optional(), is_from_self: z.boolean().optional(), is_read: z.boolean().optional(), status: z.enum(["delivered", "pending", "failed"]).optional(), job_id: z.string().nullable().optional(), conversation_id: z.string().optional(), platform_type: z.enum(["email", "linkedin"]).optional(), sender: z.object({id: z.string().optional(), email: z.string().optional()}).nullable().optional()});

export const pagination = z.object({limit: z.number().int().optional(), offset: z.number().int().optional(), total: z.number().int().optional(), has_more: z.boolean().optional()});

export const messageListResponse = z.object({success: z.boolean().optional(), request_id: z.string().optional(), data: z.array(conversationMessage).optional(), pagination: pagination.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 Messages
 * 
 * GET /conversations/{id}/messages
 */
export const getApiConversationsIdMessages = async (args: GetApiConversationsIdMessagesArgs, options?: GetApiConversationsIdMessagesOptions) => {
const {baseUrl = "https://api.supersend.io/v2", 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.offset != null) query.append("offset", String(args.offset))
if (BearerAuth !== undefined) headers.set('authorization', `Bearer ${BearerAuth}`)

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