import {z} from 'zod'

export type GetApiV1AnalyticsOverviewArgs = {from?: string | undefined, to?: string | undefined, source?: string | undefined, automationId?: string | undefined, emailId?: string | undefined, audienceId?: string | undefined, triggerEventId?: string | undefined, domain?: string | undefined};

export type GetApiV1AnalyticsOverviewOptions = {baseUrl?: string | undefined, bearerAuth?: string | undefined, fetch?: typeof fetch | undefined};

export const analyticsOverviewResponse = z.object({totals: z.object({accepted: z.number().int().gte(0).optional(), sent: z.number().int().gte(0), delivered: z.number().int().gte(0), opened: z.number().int().gte(0), openedTotal: z.number().int().gte(0), clicked: z.number().int().gte(0), clickedTotal: z.number().int().gte(0), bounced: z.number().int().gte(0), complained: z.number().int().gte(0), unsubscribed: z.number().int().gte(0), failed: z.number().int().gte(0), providerSuppressed: z.number().int().gte(0).optional(), suppressed: z.number().int().gte(0), quotaSkipped: z.number().int().gte(0).optional(), preSendSkipped: z.number().int().gte(0).optional(), pending: z.number().int().gte(0).optional(), deliveryDelayed: z.number().int().gte(0)}), rates: z.object({deliveryRate: z.number().gte(0).lte(1), openRate: z.number().gte(0).lte(1), clickRate: z.number().gte(0).lte(1), bounceRate: z.number().gte(0).lte(1), complaintRate: z.number().gte(0).lte(1), unsubscribeRate: z.number().gte(0).lte(1)}), buckets: z.array(z.object({at: z.string(), sent: z.number().int().gte(0), delivered: z.number().int().gte(0), deliveryDelayed: z.number().int().gte(0), opened: z.number().int().gte(0), clicked: z.number().int().gte(0), bounced: z.number().int().gte(0), complained: z.number().int().gte(0), failed: z.number().int().gte(0), providerSuppressed: z.number().int().gte(0).optional(), suppressed: z.number().int().gte(0), quotaSkipped: z.number().int().gte(0).optional(), unsubscribed: z.number().int().gte(0)})), granularity: z.enum(["5m", "1h", "1d"]), timeZone: z.string(), range: z.object({from: z.string(), to: z.string()}), truncated: z.boolean()});

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
};

/**
 * Brand overview (totals, rates, timeseries)
 * 
 * GET /v1/analytics/overview
 * 
 * Also accepts auth: apiKeyAuth
 */
export const getApiV1AnalyticsOverview = async (args: GetApiV1AnalyticsOverviewArgs, options?: GetApiV1AnalyticsOverviewOptions) => {
const {baseUrl = "https://brew.new/api", fetch: fetchFn = fetch, bearerAuth} = options ?? {}

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

if (args.from != null) query.append("from", String(args.from))
if (args.to != null) query.append("to", String(args.to))
if (args.source != null) query.append("source", String(args.source))
if (args.automationId != null) query.append("automationId", String(args.automationId))
if (args.emailId != null) query.append("emailId", String(args.emailId))
if (args.audienceId != null) query.append("audienceId", String(args.audienceId))
if (args.triggerEventId != null) query.append("triggerEventId", String(args.triggerEventId))
if (args.domain != null) query.append("domain", String(args.domain))
if (bearerAuth !== undefined) headers.set('authorization', `Bearer ${bearerAuth}`)

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