import {z} from 'zod'

export type ResourceRange = {minimum?: number | undefined, maximum?: number | undefined};

export type MemorySpec = {fastBytes?: ResourceRange | undefined, slowBytes?: ResourceRange | undefined};

export type TargetMemory = {ram?: MemorySpec | undefined, rom?: MemorySpec | undefined};

export type TargetProcessor = {part?: string | undefined, format?: string | undefined, architecture?: string | undefined, specificArchitecture?: string | undefined, accelerator?: string | undefined, fpu?: boolean | undefined, clockRateMhz?: ResourceRange | undefined, memory?: TargetMemory | undefined};

export type TargetConstraintsDevice = {processors?: Array<TargetProcessor> | undefined, board?: string | undefined, name?: string | undefined, latencyDevice?: string | undefined};

export type ApplicationBudget = {latencyPerInferenceMs?: ResourceRange | undefined, energyPerInferenceJoules?: ResourceRange | undefined, memoryOverhead?: TargetMemory | undefined};

export type TargetConstraints = {selectedTargetBasedOn?: ('user-configured' | 'default' | 'default-accepted' | 'recent-project' | 'connected-device') | undefined, targetDevices: Array<TargetConstraintsDevice>, applicationBudgets: Array<ApplicationBudget>};

export type CreateApiApiProjectIdTargetConstraintsArgs = {projectId: number, body: TargetConstraints};

export type CreateApiApiProjectIdTargetConstraintsOptions = {baseUrl?: string | undefined, ApiKeyAuthentication?: string | undefined, fetch?: typeof fetch | undefined};

export const genericApiResponse = z.object({success: z.boolean(), error: z.string().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
};

/**
 * Set target constraints
 * 
 * POST /api/{projectId}/target-constraints
 * 
 * Also accepts auth: JWTAuthentication, JWTHttpHeaderAuthentication, OAuth2
 */
export const createApiApiProjectIdTargetConstraints = async (args: CreateApiApiProjectIdTargetConstraintsArgs, options?: CreateApiApiProjectIdTargetConstraintsOptions) => {
const {baseUrl = "https://studio.edgeimpulse.com/v1", fetch: fetchFn = fetch, ApiKeyAuthentication} = options ?? {}

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

if (ApiKeyAuthentication !== undefined) headers.set("x-api-key", ApiKeyAuthentication)

const url = `${baseUrl.replace(/\/+$/, '')}/api/${encodeURIComponent(String(args.projectId))}/target-constraints${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(genericApiResponse, await res.json())
};