import {z} from 'zod'

export type MetricType = 'download_count' | 'deployment_succeeded_count' | 'deployment_failed_count';

export type GetApiApiV3OtaDeploymentsDeploymentIdUsageMetricArgs = {deployment_id: string, metric: MetricType, period_from: string | null, period_to: string | null};

export type GetApiApiV3OtaDeploymentsDeploymentIdUsageMetricOptions = {baseUrl?: string | undefined, apiKey?: string | undefined, fetch?: typeof fetch | undefined};

export const otaDeploymentUsageSchemasValueSchema = z.object({timestamp: z.string(), value: z.number().int()});

export const otaDeploymentUsageSchemasSeriesSchema = z.object({name: z.string(), metric: z.string(), values: z.array(otaDeploymentUsageSchemasValueSchema)});

export const otaDeploymentUsageSchemasMetaSchema = z.object({period_from: z.string(), period_to: z.string(), interval: z.literal("1d")});

export const otaDeploymentUsageSchemasUsageSchema = z.object({series: z.array(otaDeploymentUsageSchemasSeriesSchema), meta: otaDeploymentUsageSchemasMetaSchema});

export const otaDeploymentUsageSchemasUsageSchemaNoPagination = z.object({data: otaDeploymentUsageSchemasUsageSchema});

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 usage stats for a deployment channel.
 * 
 * GET /api/v3/ota/deployments/{deployment_id}/usage/{metric}
 */
export const getApiApiV3OtaDeploymentsDeploymentIdUsageMetric = async (args: GetApiApiV3OtaDeploymentsDeploymentIdUsageMetricArgs, options?: GetApiApiV3OtaDeploymentsDeploymentIdUsageMetricOptions) => {
const {baseUrl = "https://codemagic.io", fetch: fetchFn = fetch, apiKey} = options ?? {}

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

if (args.period_from != null) query.append("period_from", String(args.period_from))
if (args.period_to != null) query.append("period_to", String(args.period_to))
if (apiKey !== undefined) headers.set("x-auth-token", apiKey)

const url = `${baseUrl.replace(/\/+$/, '')}/api/v3/ota/deployments/${encodeURIComponent(String(args.deployment_id))}/usage/${encodeURIComponent(String(args.metric))}${query.size > 0 ? `?${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(otaDeploymentUsageSchemasUsageSchemaNoPagination, await res.json())
};