import {z} from 'zod'

export type GetApiV1AnalyticsEventsArgs = {from?: string | undefined, to?: string | undefined, recipientEmail?: string | undefined, eventType?: string | undefined, automationId?: string | undefined, sendId?: string | undefined, source?: string | undefined, audienceId?: string | undefined, emailId?: string | undefined, domain?: string | undefined, triggerEventId?: string | undefined, includeMachineClicks?: boolean | undefined, limit?: number | undefined, cursor?: string | undefined};

export type GetApiV1AnalyticsEventsOptions = {baseUrl?: string | undefined, bearerAuth?: string | undefined, fetch?: typeof fetch | undefined};

export const eventsAnalyticsResponse = z.object({data: z.array(z.object({id: z.string().min(1), occurredAt: z.string(), domain: z.enum(["email", "automation", "trigger", "inbound"]), eventType: z.string().min(1), recipientEmail: z.string().optional(), sendId: z.string().optional(), emailId: z.string().optional(), emailName: z.string().optional(), automationId: z.string().optional(), automationName: z.string().optional(), nodeId: z.string().optional(), triggerEventId: z.string().optional(), provider: z.string().optional(), mode: z.enum(["live", "test"]).optional(), summary: z.string().optional(), sendSource: z.enum(["audience", "api", "automation_manual", "automation_integration", "automation_custom"]).optional(), sendContext: z.string().optional(), triggerProvider: z.string().optional(), triggerTitle: z.string().optional()})), pagination: z.object({limit: z.number().int().gte(1).lte(100), cursor: z.string().nullable(), hasMore: z.boolean()}), range: z.object({from: z.string(), to: z.string()})});

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
};

/**
 * Unified events feed
 * 
 * GET /v1/analytics/events
 * 
 * Also accepts auth: apiKeyAuth
 */
export const getApiV1AnalyticsEvents = async (args: GetApiV1AnalyticsEventsArgs, options?: GetApiV1AnalyticsEventsOptions) => {
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.recipientEmail != null) query.append("recipientEmail", String(args.recipientEmail))
if (args.eventType != null) query.append("eventType", String(args.eventType))
if (args.automationId != null) query.append("automationId", String(args.automationId))
if (args.sendId != null) query.append("sendId", String(args.sendId))
if (args.source != null) query.append("source", String(args.source))
if (args.audienceId != null) query.append("audienceId", String(args.audienceId))
if (args.emailId != null) query.append("emailId", String(args.emailId))
if (args.domain != null) query.append("domain", String(args.domain))
if (args.triggerEventId != null) query.append("triggerEventId", String(args.triggerEventId))
if (args.includeMachineClicks != null) query.append("includeMachineClicks", String(args.includeMachineClicks))
if (args.limit != null) query.append("limit", String(args.limit))
if (args.cursor != null) query.append("cursor", String(args.cursor))
if (bearerAuth !== undefined) headers.set('authorization', `Bearer ${bearerAuth}`)

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