import {z} from 'zod'

export type GetApiConversationsArgs = {limit?: number | undefined, offset?: number | undefined, phone_id?: string | undefined, phone_number?: string | undefined, status?: ('delivered' | 'sent' | 'unconfirmed' | 'failed' | 'queued') | undefined, error_code?: ('phone_unreachable' | 'no_result' | 'policy_off' | 'expired' | 'no_subscription' | 'no_service' | 'radio_off' | 'carrier_rejected' | 'phone_rate_limited' | 'media_fetch_failed' | 'connection_lost' | 'queue_full' | 'send_failed') | undefined, replied?: ('true' | 'false') | undefined, period_start_at?: string | undefined, period_end_at?: string | undefined, search?: string | undefined};

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

export const phoneMessagePart = z.object({file_id: z.string().optional(), mime_type: z.string().optional(), name: z.string().optional(), size_bytes: z.number().int().optional(), text: z.string().optional(), type: z.enum(["text", "media"])});

export const phoneMessagePhoneDeletion = z.object({next_check_at: z.string().nullable(), reason: z.string(), status: z.enum(["pending", "deleted", "not_found", "ambiguous", "not_default_app", "not_matched", "failed", "unconfirmed", "not_sent"])});

export const phoneMessage = z.object({$schema: z.string().optional(), accepted_at: z.string().optional(), api_key_id: z.string().optional(), body: z.string(), channel: z.enum(["sms", "mms", "rcs"]), conversation_id: z.string(), created_at: z.string(), deleted_at: z.string().optional(), delivered_at: z.string().optional(), direction: z.enum(["inbound", "outbound"]), error: z.string().optional(), error_code: z.enum(["phone_unreachable", "no_result", "policy_off", "expired", "no_subscription", "no_service", "radio_off", "carrier_rejected", "phone_rate_limited", "media_fetch_failed", "connection_lost", "queue_full", "send_failed"]).optional(), failed_at: z.string().optional(), from: z.string().nullable(), id: z.string(), is_group: z.boolean(), parts: z.array(phoneMessagePart).nullable(), phone_deletion: phoneMessagePhoneDeletion.optional(), phone_id: z.string(), received_at: z.string().nullable(), sent_at: z.string().nullable(), status: z.enum(["queued", "sent", "delivered", "failed", "unconfirmed"]).optional(), to: z.array(z.string()).nullable(), truncated: z.boolean(), user_id: z.string().optional()});

export const conversationParticipant = z.object({handle: z.string()});

export const conversation = z.object({$schema: z.string().optional(), created_at: z.string(), id: z.string(), is_group: z.boolean(), last_message: phoneMessage, last_message_at: z.string(), participants: z.array(conversationParticipant).nullable(), phone_id: z.string(), phone_number: z.string().nullable()});

export const conversationListResponse = z.object({$schema: z.string().optional(), conversations: z.array(conversation).nullable(), total: z.number().int()});

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, fetch: fetchFn = fetch, apiKeyAuth} = 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 (args.phone_id != null) query.append("phone_id", String(args.phone_id))
if (args.phone_number != null) query.append("phone_number", String(args.phone_number))
if (args.status != null) query.append("status", String(args.status))
if (args.error_code != null) query.append("error_code", String(args.error_code))
if (args.replied != null) query.append("replied", String(args.replied))
if (args.period_start_at != null) query.append("period_start_at", String(args.period_start_at))
if (args.period_end_at != null) query.append("period_end_at", String(args.period_end_at))
if (args.search != null) query.append("search", String(args.search))
if (apiKeyAuth !== undefined) headers.set("X-Axilio-Api-Key", apiKeyAuth)

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())
};