import {z} from 'zod'

export type GetApiConversationsArgs = {team_id?: string | undefined, channel?: ('email' | 'linkedin') | undefined, last_message_direction?: ('inbound' | 'outbound') | undefined, identity_id?: string | undefined, status?: ('archived' | 'unarchived') | undefined, read_status?: ('read' | 'unread') | undefined, search?: string | undefined, sort_by?: 'date' | undefined, sort_direction?: ('asc' | 'desc') | undefined, limit?: number | undefined, offset?: number | undefined};

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

export const conversationParticipant = z.object({id: z.string().nullable().optional(), display_name: z.string().nullable().optional(), avatar_url: z.string().nullable().optional(), username: z.string().nullable().optional(), is_self: z.boolean().optional()});

export const conversation = z.object({object: z.literal("conversation").optional(), id: z.string().optional(), platform_type: z.enum(["email", "linkedin"]).optional(), title: z.string().optional(), last_activity_at: z.string().optional(), is_unread: z.boolean().optional(), is_archived: z.boolean().optional(), unread_count: z.number().int().optional(), identity: z.object({id: z.string().optional(), handle: z.string().optional(), first_name: z.string().optional(), last_name: z.string().optional(), photo: z.string().optional(), type: z.literal("linkedin").optional()}).nullable().optional(), participants: z.array(conversationParticipant).optional(), last_message: z.object({text: z.string().optional(), timestamp: z.string().optional()}).nullable().optional(), team_id: z.string().optional(), created_at: z.string().optional(), updated_at: z.string().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 conversationListResponse = z.object({success: z.boolean().optional(), request_id: z.string().optional(), data: z.array(conversation).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
};

/**
 * List Conversations
 * 
 * GET /conversations
 */
export const getApiConversations = async (args: GetApiConversationsArgs, options?: GetApiConversationsOptions) => {
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.team_id != null) query.append("team_id", String(args.team_id))
if (args.channel != null) query.append("channel", String(args.channel))
if (args.last_message_direction != null) query.append("last_message_direction", String(args.last_message_direction))
if (args.identity_id != null) query.append("identity_id", String(args.identity_id))
if (args.status != null) query.append("status", String(args.status))
if (args.read_status != null) query.append("read_status", String(args.read_status))
if (args.search != null) query.append("search", String(args.search))
if (args.sort_by != null) query.append("sort_by", String(args.sort_by))
if (args.sort_direction != null) query.append("sort_direction", String(args.sort_direction))
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${query.size > 0 ? `?${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(conversationListResponse, await res.json())
};