import {z} from 'zod'

export type GetApiApiModelsDetailsArgs = {query?: string | undefined, provider?: string | undefined, keys?: Array<string> | undefined, limit?: number | undefined, unfiltered?: boolean | undefined};

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

export const getApiApiModelsDetailsResponse = z.object({models: z.array(z.object({name: z.string().optional(), provider: z.string().optional(), context_length: z.number().int().optional(), max_input_tokens: z.number().int().optional(), max_output_tokens: z.number().int().optional(), input_cost_per_token: z.number().optional(), output_cost_per_token: z.number().optional(), cache_creation_input_token_cost: z.number().optional(), cache_read_input_token_cost: z.number().optional(), architecture: z.object({modality: z.string().optional(), tokenizer: z.string().optional(), instruct_type: z.string().optional(), input_modalities: z.array(z.string()).optional(), output_modalities: z.array(z.string()).optional()}).optional(), additional_attributes: z.record(z.string(), z.string()).optional(), accessible_by_keys: z.array(z.string()).optional()})).optional(), total: z.number().int().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
};

/**
 * List model details
 * 
 * GET /api/models/details
 */
export const getApiApiModelsDetails = async (args: GetApiApiModelsDetailsArgs, options?: GetApiApiModelsDetailsOptions) => {
const {baseUrl = "http://localhost:8080", fetch: fetchFn = fetch, ManagementBearerAuth} = options ?? {}

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

if (args.query != null) query.append("query", String(args.query))
if (args.provider != null) query.append("provider", String(args.provider))
if (args.keys != null) query.append("keys", args.keys.join(','))
if (args.limit != null) query.append("limit", String(args.limit))
if (args.unfiltered != null) query.append("unfiltered", String(args.unfiltered))
if (ManagementBearerAuth !== undefined) headers.set('authorization', `Bearer ${ManagementBearerAuth}`)

const url = `${baseUrl.replace(/\/+$/, '')}/api/models/details${query.size > 0 ? `?${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(getApiApiModelsDetailsResponse, await res.json())
};