import {z} from 'zod'

export type GetApiApiV2alphaAnalyticsConsumptionArgs = {start_date: string, end_date: string, product: 'agent', granularity?: ('daily' | 'monthly') | undefined, group_by?: string | undefined, models?: string | undefined, group_id?: string | undefined, user_id?: string | undefined, page_size?: number | undefined, page_cursor?: string | undefined, 'If-None-Match'?: string | undefined};

export type GetApiApiV2alphaAnalyticsConsumptionOptions = {baseUrl: string, bearerAuth?: string | undefined, fetch?: typeof fetch | undefined};

export const consumption = z.object({prompt_credits: z.number().int().optional(), flex_credits: z.number().int().optional(), billed_acus: z.number().optional(), message_count: z.number().int().optional()});

export const consumptionRow = z.object({timestamp: z.string().optional(), user_id: z.string().optional(), user_email: z.string().optional(), model_uid: z.string().optional(), ide: z.string().optional(), ide_version: z.string().optional(), consumption: consumption});

export const consumptionResponse = z.object({data: z.array(consumptionRow), pagination: z.object({next_page_cursor: z.string().nullable().optional()}), metadata: z.object({billing_strategy: z.enum(["CREDITS", "ACU"]).optional(), data_freshness: z.string().optional(), query_time_ms: z.number().int().optional(), team_id: z.string().optional(), group_id: 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
};

/**
 * Get consumption analytics
 * 
 * GET /api/v2alpha/analytics/consumption
 */
export const getApiApiV2alphaAnalyticsConsumption = async (args: GetApiApiV2alphaAnalyticsConsumptionArgs, options: GetApiApiV2alphaAnalyticsConsumptionOptions) => {
const {baseUrl, fetch: fetchFn = fetch, bearerAuth} = options ?? {}

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

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.product != null) query.append("product", String(args.product))
if (args.granularity != null) query.append("granularity", String(args.granularity))
if (args.group_by != null) query.append("group_by", String(args.group_by))
if (args.models != null) query.append("models", String(args.models))
if (args.group_id != null) query.append("group_id", String(args.group_id))
if (args.user_id != null) query.append("user_id", String(args.user_id))
if (args.page_size != null) query.append("page_size", String(args.page_size))
if (args.page_cursor != null) query.append("page_cursor", String(args.page_cursor))
if (args['If-None-Match'] != null) headers.set("If-None-Match", String(args['If-None-Match']))
if (bearerAuth !== undefined) headers.set('authorization', `Bearer ${bearerAuth}`)

const url = `${baseUrl.replace(/\/+$/, '')}/api/v2alpha/analytics/consumption${query.size > 0 ? `?${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(consumptionResponse, await res.json())
};