import {z} from 'zod'

export type GetApiV2ViewsViewIdArgs = {'cloudzero-idempotency-key'?: string | undefined, 'cloudzero-test-key'?: string | undefined, view_id: string};

export type GetApiV2ViewsViewIdOptions = {baseUrl?: string | undefined, APIKeyAuth?: string | undefined, fetch?: typeof fetch | undefined};

export const viewFilter = z.record(z.string(), z.array(z.string()));

export const viewConnectionsEmail = z.object({addresses: z.array(z.string()).optional(), include_all_organizers: z.boolean().optional()});

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

export const viewConnections = z.object({email: viewConnectionsEmail.optional(), slack: z.array(viewConnectionsSlack).optional()});

export const viewPrincipalDimension = z.string();

export const viewAnomaliesThresholdType = z.enum(["Automatic", "Percent"]);

export const viewAnomaliesThresholdAmount = z.number().int();

export const viewAnomalies = z.object({enabled: z.boolean().optional(), threshold_type: viewAnomaliesThresholdType.optional(), threshold_amount: viewAnomaliesThresholdAmount.optional(), min_cost_impact: z.number().gte(0).optional()});

export const epoch = z.string();

export const view = z.object({name: z.string(), filter: viewFilter, connections: viewConnections, principal_dimension: viewPrincipalDimension, anomalies: viewAnomalies.optional(), notifications: z.object({weekly: z.boolean(), monthly: z.boolean()}).optional(), id: z.string(), last_updated: epoch});

export const getApiV2ViewsViewIdResponse = z.object({view: view.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 a single View
 * 
 * GET /v2/views/{view_id}
 */
export const getApiV2ViewsViewId = async (args: GetApiV2ViewsViewIdArgs, options?: GetApiV2ViewsViewIdOptions) => {
const {baseUrl = "https://api.cloudzero.com", fetch: fetchFn = fetch, APIKeyAuth} = options ?? {}

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

if (args['cloudzero-idempotency-key'] != null) headers.set("cloudzero-idempotency-key", String(args['cloudzero-idempotency-key']))
if (args['cloudzero-test-key'] != null) headers.set("cloudzero-test-key", String(args['cloudzero-test-key']))
if (APIKeyAuth !== undefined) headers.set("Authorization", APIKeyAuth)

const url = `${baseUrl.replace(/\/+$/, '')}/v2/views/${encodeURIComponent(String(args.view_id))}${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(getApiV2ViewsViewIdResponse, await res.json())
};