import {z} from 'zod'

export type GetApiOrganizationsOrgIdUsageArgs = {org_id: string, projects?: Array<string> | undefined, resource_types?: Array<string> | undefined, regions?: Array<string> | undefined, start_date?: string | undefined, end_date?: string | undefined, interval?: string | undefined};

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

export const customerProductProjectUsage = z.object({billable_metric: z.string().optional(), date: z.string().optional(), project_id: z.string().optional(), quantity: z.number().optional(), region: z.string().optional(), reservation_id: z.string().optional(), resource_type: z.string().optional()});

export const customerOrganizationUsage = z.object({items: z.array(customerProductProjectUsage).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 project-level usage for products in Crusoe Cloud.
 * 
 * GET /organizations/{org_id}/usage
 */
export const getApiOrganizationsOrgIdUsage = async (args: GetApiOrganizationsOrgIdUsageArgs, options?: GetApiOrganizationsOrgIdUsageOptions) => {
const {baseUrl = "https://api.cloud.crusoe.ai/v1", fetch: fetchFn = fetch} = options ?? {}

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

for (const item of args.projects ?? []) query.append("projects", String(item))
for (const item of args.resource_types ?? []) query.append("resource_types", String(item))
for (const item of args.regions ?? []) query.append("regions", String(item))
if (args.start_date != null) query.append("start_date", String(args.start_date))
if (args.end_date != null) query.append("end_date", String(args.end_date))
if (args.interval != null) query.append("interval", String(args.interval))

const url = `${baseUrl.replace(/\/+$/, '')}/organizations/${encodeURIComponent(String(args.org_id))}/usage${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(customerOrganizationUsage, await res.json())
};