import {z} from 'zod'

export type GetApiV1AutomationsArgs = {automationId?: string | undefined, include?: string | undefined, limit?: number | undefined, cursor?: string | undefined};

export type GetApiV1AutomationsOptions = {baseUrl?: string | undefined, bearerAuth?: string | undefined, fetch?: typeof fetch | undefined};

export const automationsListResponse = z.object({data: z.array(z.object({automationId: z.string().min(1).max(64), automationVersionId: z.string().min(1).max(64), triggerEventId: z.string().min(1).max(256).optional(), name: z.string().min(1).max(120), description: z.string().max(2000).optional(), version: z.union([z.number().int().gte(0), z.literal("latest")]), published: z.boolean(), paused: z.boolean().optional(), pausedAt: z.number().optional(), nodes: z.array(z.union([z.object({id: z.string().min(1), label: z.string().min(1), description: z.string().optional(), type: z.literal("trigger"), config: z.object({actionType: z.string().optional(), mode: z.enum(["event", "manualAudience"]).optional(), triggerEventId: z.string().optional(), audienceId: z.string().optional(), eventName: z.string().optional()})}), z.object({id: z.string().min(1), label: z.string().min(1), description: z.string().optional(), type: z.literal("sendEmail"), config: z.object({actionType: z.string().optional(), emailId: z.string().optional(), emailVersionId: z.string().optional(), emailTitle: z.string().optional(), subject: z.string().optional(), previewText: z.string().optional(), messageClass: z.enum(["marketing", "transactional"]).optional(), fromName: z.string().optional(), fromAddress: z.string().optional(), domainId: z.string().optional(), replyTo: z.string().optional(), to: z.unknown(), html: z.string().optional(), variables: z.record(z.string(), z.unknown()).optional()})}), z.object({id: z.string().min(1), label: z.string().min(1), description: z.string().optional(), type: z.literal("wait"), config: z.object({actionType: z.string().optional(), duration: z.number(), unit: z.enum(["ms", "seconds", "minutes", "hours", "days", "weeks"])})}), z.object({id: z.string().min(1), label: z.string().min(1), description: z.string().optional(), type: z.literal("filter"), config: z.object({actionType: z.string().optional(), logicalOperator: z.enum(["AND", "OR"]), conditions: z.array(z.object({field: z.string(), operator: z.string(), value: z.union([z.string(), z.number(), z.boolean(), z.array(z.union([z.string(), z.number()]))]).optional(), type: z.enum(["string", "number", "date", "bool"]).optional()}))})}), z.object({id: z.string().min(1), label: z.string().min(1), description: z.string().optional(), type: z.literal("split"), config: z.union([z.object({actionType: z.string().optional(), mode: z.literal("percentage"), leftLabel: z.string(), rightLabel: z.string(), leftPercentage: z.number(), seed: z.string().optional()}), z.object({actionType: z.string().optional(), mode: z.literal("condition"), leftLabel: z.string(), rightLabel: z.string(), logicalOperator: z.enum(["AND", "OR"]), conditions: z.array(z.object({field: z.string(), operator: z.string(), value: z.union([z.string(), z.number(), z.boolean(), z.array(z.union([z.string(), z.number()]))]).optional(), type: z.enum(["string", "number", "date", "bool"]).optional()}))})])})])).optional(), connections: z.array(z.object({from: z.string().min(1), to: z.string().min(1), branch: z.enum(["left", "right"]).optional()})).optional(), emailIds: z.array(z.string().min(1).max(64)), createdBy: z.string().optional(), createdAt: z.string().optional(), updatedAt: z.string().optional(), publishedAt: z.string().optional(), versions: z.array(z.object({version: z.union([z.number().int().gte(0), z.literal("latest")]), automationVersionId: z.string().min(1).max(64)})).optional()})), pagination: z.object({limit: z.number().int().gte(1).lte(100), cursor: z.string().nullable(), hasMore: z.boolean()}).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
};

/**
 * Get automations
 * 
 * GET /v1/automations
 * 
 * Also accepts auth: apiKeyAuth
 */
export const getApiV1Automations = async (args: GetApiV1AutomationsArgs, options?: GetApiV1AutomationsOptions) => {
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.automationId != null) query.append("automationId", String(args.automationId))
if (args.include != null) query.append("include", String(args.include))
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/automations${query.size > 0 ? `?${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(automationsListResponse, await res.json())
};