import {z} from 'zod'

export type ConversationSort = {orderBy?: ('CREATED_DATE_TIME' | 'SUBJECT' | 'EMAIL' | 'LAST_MESSAGE_CREATED_DATE_TIME' | 'LAST_MESSAGE_TEXT') | undefined, direction?: ('ASC' | 'DESC') | undefined};

export type StringFilter = {equal?: string | undefined, notEqual?: string | undefined, greaterThan?: string | undefined, greaterThanEqual?: string | undefined, lessThan?: string | undefined, lessThanEqual?: string | undefined, contain?: string | undefined};

export type Ids = {in?: Array<string> | undefined};

export type AttachedEntityFilter = {id?: Ids | undefined};

export type ResolutionStatusListFilter = {in?: (Array<'OPEN' | 'CLOSED' | 'DRAFT'>) | undefined, notIn?: (Array<'OPEN' | 'CLOSED' | 'DRAFT'>) | undefined};

export type ReadStatusListFilter = {in?: (Array<'READ' | 'UNREAD'>) | undefined, notIn?: (Array<'READ' | 'UNREAD'>) | undefined};

export type CompanyIdFilter = {in?: Array<string> | undefined};

export type ConversationFilterParam = {subject?: StringFilter | undefined, attachedEntity?: AttachedEntityFilter | undefined, resolutionStatus?: ResolutionStatusListFilter | undefined, readStatus?: ReadStatusListFilter | undefined, authorUserId?: StringFilter | undefined, authorEmail?: StringFilter | undefined, company?: CompanyIdFilter | undefined};

export type ConversationQueryParam = {cursor?: (string | null) | undefined, limit?: number | undefined, sort?: ConversationSort | undefined, filter?: ConversationFilterParam | undefined};

export type CreateApiV6ConversationsQueryArgs = {body: ConversationQueryParam};

export type CreateApiV6ConversationsQueryOptions = {baseUrl?: string | undefined, EmbedToken?: string | undefined, fetch?: typeof fetch | undefined};

export const companyExpanded = z.object({id: z.string(), name: z.string().optional()});

export const authorInfo = z.object({userId: z.string(), email: z.string().nullable()});

export const latestMessageDto = z.object({id: z.string(), author: authorInfo, text: z.string()});

export const conversationGetDto = z.object({id: z.string(), attachedEntityId: z.string().nullable(), company: companyExpanded, subject: z.string(), author: authorInfo, latestMessage: latestMessageDto, status: z.enum(["ACTIVE", "INACTIVE", "REMOVED"]), readStatus: z.enum(["READ", "UNREAD"]), resolutionStatus: z.enum(["OPEN", "CLOSED", "DRAFT"]), createdDateTime: z.string(), lastUpdatedDateTime: z.string()});

export const responseCursor = z.object({after: z.string().optional(), before: z.string().optional()});

export const paginatedResponseConversationGetDto = z.object({result: z.enum(["SUCCESS", "FAILURE"]).optional(), data: z.array(conversationGetDto).optional(), cursor: responseCursor.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
};

/**
 * Query conversations
 * 
 * POST /v6/conversations/query
 */
export const createApiV6ConversationsQuery = async (args: CreateApiV6ConversationsQueryArgs, options?: CreateApiV6ConversationsQueryOptions) => {
const {baseUrl = "https://sandbox.tight.com", fetch: fetchFn = fetch, EmbedToken} = options ?? {}

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

if (EmbedToken !== undefined) headers.set('authorization', `Bearer ${EmbedToken}`)

const url = `${baseUrl.replace(/\/+$/, '')}/v6/conversations/query${query.size > 0 ? `?${query}` : ''}`

const res = await fetchFn(url, {method: "POST", headers, body: JSON.stringify(args.body)})

if (!res.ok) throw new Error(`Request failed with status ${res.status}`, {cause: {status: res.status, body: await res.text()}})

return validateResponse(paginatedResponseConversationGetDto, await res.json())
};