import {z} from 'zod'

export type TypesRunnerCurrent = {cost?: number | undefined, provider?: string | undefined, sku?: string | undefined};

export type TypesRunnerSelfHosted = {github_self_hosted_fee?: boolean | undefined, provider?: string | undefined, region?: string | undefined};

export type TypesRunnerShape = {arch?: string | undefined, cpu_cores?: number | undefined, gpu_count?: number | undefined, os?: string | undefined, ram_gb?: number | undefined};

export type RunnerRecommendationRequest = {billed_minutes?: number | undefined, current?: TypesRunnerCurrent | undefined, job_count?: number | undefined, jobs_seconds?: Array<number> | undefined, monthly_minutes?: number | undefined, public_repo?: boolean | undefined, self_hosted?: TypesRunnerSelfHosted | undefined, shape?: TypesRunnerShape | undefined};

export type CreateApiV1RecommendationsRunnerArgs = {body: RunnerRecommendationRequest};

export type CreateApiV1RecommendationsRunnerOptions = {baseUrl?: string | undefined, ApiKeyAuth?: string | undefined, fetch?: typeof fetch | undefined};

export const typesRunnerPlanFee = z.object({fee: z.number().optional(), per: z.string().optional(), period: z.string().optional(), plan: z.string().optional()});

export const runnerRecommendation = z.object({billed_seconds: z.number().optional(), compute_source: z.string().optional(), cost: z.number().optional(), cost_per_month: z.number().optional(), fetched_on: z.string().optional(), flags: z.array(z.string()).optional(), plan_fees: z.array(typesRunnerPlanFee).optional(), pricing_model: z.string().optional(), provider: z.string().optional(), runtime_seconds: z.number().optional(), savings_vs_current: z.number().optional(), sku: z.string().optional(), source_url: z.string().optional(), vm_instance_type: z.string().optional()});

export const createApiV1RecommendationsRunnerResponse = z.array(runnerRecommendation);

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
};

/**
 * Find cheaper CI runners
 * 
 * POST /v1/recommendations/runner
 * 
 * Also accepts auth: BearerAuth
 */
export const createApiV1RecommendationsRunner = async (args: CreateApiV1RecommendationsRunnerArgs, options?: CreateApiV1RecommendationsRunnerOptions) => {
const {baseUrl = "https://pricing.baselinehq.cloud", fetch: fetchFn = fetch, ApiKeyAuth} = options ?? {}

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

if (ApiKeyAuth !== undefined) headers.set("X-API-Key", ApiKeyAuth)

const url = `${baseUrl.replace(/\/+$/, '')}/v1/recommendations/runner${query.size > 0 ? `?${query}` : ''}`

const res = await fetchFn(url, {method: "POST", headers, body: JSON.stringify(args.body)})

if (!res.ok) throw new Error(`Request failed with status ${res.status}`, {cause: {status: res.status, body: await res.text()}})

return validateResponse(createApiV1RecommendationsRunnerResponse, await res.json())
};