import {z} from 'zod'

export type GetApiApiV2ChatsIdMessageArgs = {page?: number | undefined, limit?: number | undefined, query?: string | undefined, start?: string | undefined, end?: string | undefined, direction?: ('asc' | 'desc') | undefined, voice?: (0 | 1) | undefined, id: number, includeNotes?: (0 | 1) | undefined};

export type GetApiApiV2ChatsIdMessageOptions = {baseUrl?: string | undefined, BasicAuth?: {username: string, password: string} | undefined, fetch?: typeof fetch | undefined};

export const fileMetadataPreview = z.object({height: z.number().int(), width: z.number().int()}).nullable();

export const fileMetadata = z.object({type: z.enum(["image", "video"]), height: z.number().int(), width: z.number().int(), preview: fileMetadataPreview}).nullable();

export const file = z.object({id: z.number().int(), name: z.string(), originalName: z.string(), mimeType: z.string(), size: z.number().int(), type: z.enum(["attachment", "import", "raw_email", "inline_attachment", "chat-attachment", "knowledge_base", "facebook_page_picture", "instagram_account_picture", "logo"]), createdAt: z.string(), previewUrl: z.string().optional(), url: z.string().optional(), metadata: fileMetadata.optional()});

export const messagePayload = z.object({type: z.string(), mediaPreview: z.string()}).nullable();

export const conversation = z.object({id: z.number().int(), direction: z.enum(["in", "out", "o", "i"]), sender: z.string().nullable(), messageTime: z.string(), text: z.string(), receiver: z.string(), status: z.string(), firstName: z.string(), lastName: z.string(), sessionId: z.number().int().nullable(), initiatorId: z.number().int().nullable().optional(), messageFileId: z.number().int().nullable().optional(), type: z.enum(["text", "image", "audio", "voice", "document", "video", "log", "initial", "note"]).optional(), chatType: z.enum(["sms", "facebook_messenger", "instagram", "whatsapp_business", "live_chat"]).optional(), chatId: z.number().int().optional(), isEdited: z.boolean().optional(), errorCode: z.string().nullable().optional(), files: z.array(file).optional(), payload: messagePayload.optional(), avatar: z.string().nullable().optional()});

export const getChatMessagesPaginatedResponse = z.object({page: z.number().int(), pageCount: z.number().int(), limit: z.number().int(), resources: z.array(conversation)});

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 chat messages
 * 
 * GET /api/v2/chats/{id}/message
 */
export const getApiApiV2ChatsIdMessage = async (args: GetApiApiV2ChatsIdMessageArgs, options?: GetApiApiV2ChatsIdMessageOptions) => {
const {baseUrl = "https://rest.textmagic.com", fetch: fetchFn = fetch, BasicAuth} = options ?? {}

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

if (args.page != null) query.append("page", String(args.page))
if (args.limit != null) query.append("limit", String(args.limit))
if (args.query != null) query.append("query", String(args.query))
if (args.start != null) query.append("start", String(args.start))
if (args.end != null) query.append("end", String(args.end))
if (args.direction != null) query.append("direction", String(args.direction))
if (args.voice != null) query.append("voice", String(args.voice))
if (args.includeNotes != null) query.append("includeNotes", String(args.includeNotes))
if (BasicAuth !== undefined) headers.set('authorization', `Basic ${btoa(`${BasicAuth.username}:${BasicAuth.password}`)}`)

const url = `${baseUrl.replace(/\/+$/, '')}/api/v2/chats/${encodeURIComponent(String(args.id))}/message${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(getChatMessagesPaginatedResponse, await res.json())
};