import {z} from 'zod'

export type CampaignStatus = 'SCHEDULED' | 'INGESTING' | 'AB_TESTING' | 'COMPLETED' | 'COMPLETED_WITH_ERRORS' | 'FAILED' | 'CANCELED';

export type GetApiV1CampaignsArgs = {page?: number | undefined, size?: number | undefined, status?: CampaignStatus | undefined, 'X-Waba-Id'?: string | undefined};

export type GetApiV1CampaignsOptions = {baseUrl?: string | undefined, bearerAuth?: string | undefined, fetch?: typeof fetch | undefined};

export const campaignListItem = z.object({id: z.string(), name: z.string(), status: z.string(), templateName: z.string(), totalMessages: z.number().int(), sentCount: z.number().int(), deliveredCount: z.number().int(), readCount: z.number().int(), failedCount: z.number().int(), totalCost: z.number(), scheduledAt: z.string().nullable().optional(), createdAt: z.string().nullable().optional()});

export const campaignListResponse = z.object({content: z.array(campaignListItem), totalPages: z.number().int(), totalElements: 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
};

/**
 * Listar campanhas
 * 
 * GET /v1/campaigns
 */
export const getApiV1Campaigns = async (args: GetApiV1CampaignsArgs, options?: GetApiV1CampaignsOptions) => {
const {baseUrl = "https://api.ararahq.com", fetch: fetchFn = fetch, bearerAuth} = 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.size != null) query.append("size", String(args.size))
if (args.status != null) query.append("status", String(args.status))
if (args['X-Waba-Id'] != null) headers.set("X-Waba-Id", String(args['X-Waba-Id']))
if (bearerAuth !== undefined) headers.set('authorization', `Bearer ${bearerAuth}`)

const url = `${baseUrl.replace(/\/+$/, '')}/v1/campaigns${query.size > 0 ? `?${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(campaignListResponse, await res.json())
};